def gen_car_and_carplate_independently(fileitem):
num_car = 0
num_carplate = 0
dom = xml.dom.minidom.parse(os.path.join(root_dir, fileitem))
root = dom.documentElement
# size
size = root.getElementsByTagName('size')[0]
width = int(size.getElementsByTagName('width')[0].childNodes[0].nodeValue)
height = int(
size.getElementsByTagName('height')[0].childNodes[0].nodeValue)
depth = int(size.getElementsByTagName('depth')[0].childNodes[0].nodeValue)
# 创建dom文档
doc = Document()
# 创建根节点
annotation = doc.createElement('annotation')
# 根节点插入dom树
doc.appendChild(annotation)
# folder
folder = doc.createElement('folder')
annotation.appendChild(folder)
folder.appendChild(doc.createTextNode('car carplate'))
# filename
filename = doc.createElement('filename')
annotation.appendChild(filename)
filename.appendChild(doc.createTextNode(fileitem.split('.')[0] + '.jpg'))
# source
source = doc.createElement('source')
annotation.appendChild(source)
database_ = doc.createElement('database')
database_.appendChild(doc.createTextNode('car carplate'))
source.appendChild(database_)
# 创建size节点
size = doc.createElement('size')
annotation.appendChild(size)
width_ = doc.createElement('width')
width_.appendChild(doc.createTextNode(str(width)))
height_ = doc.createElement('height')
height_.appendChild(doc.createTextNode(str(height)))
depth_ = doc.createElement('depth')
depth_.appendChild(doc.createTextNode(str(depth)))
size.appendChild(width_)
size.appendChild(height_)
size.appendChild(depth_)
# segmentation
segmented = doc.createElement('segmented')
annotation.appendChild(segmented)
segmented.appendChild(doc.createTextNode(str(0)))
# notice object and obj
objects = root.getElementsByTagName('object')
for index, obj in enumerate(objects):
bndbox = obj.getElementsByTagName('bndbox')[0]
misc = int(obj.getElementsByTagName('misc')[0].childNodes[0].nodeValue)
if need_car and not misc: # 不要misc的车辆
num_car += 1
car_xmin = int(
bndbox.getElementsByTagName('xmin')[0].childNodes[0].nodeValue)
car_ymin = int(
bndbox.getElementsByTagName('ymin')[0].childNodes[0].nodeValue)
car_xmax = int(
bndbox.getElementsByTagName('xmax')[0].childNodes[0].nodeValue)
car_ymax = int(
bndbox.getElementsByTagName('ymax')[0].childNodes[0].nodeValue)
# 限制不超过图片上下界
car_xmin = ex.limit_in_bounds(car_xmin, 1, width)
car_ymin = ex.limit_in_bounds(car_ymin, 1, height)
car_xmax = ex.limit_in_bounds(car_xmax, 1, width)
car_ymax = ex.limit_in_bounds(car_ymax, 1, height)
IsOccluded = int(
obj.getElementsByTagName('occlusion')
[0].childNodes[0].nodeValue)
IsTruncated = int(
obj.getElementsByTagName('truncated')
[0].childNodes[0].nodeValue)
IsDifficult = int(
obj.getElementsByTagName('difficult')
[0].childNodes[0].nodeValue)
# car
object = doc.createElement('object')
annotation.appendChild(object)
name = doc.createElement('name')
name.appendChild(doc.createTextNode('car'))
object.appendChild(name)
# pose
pose_ = doc.createElement('pose')
pose_.appendChild(doc.createTextNode('Unspecified'))
object.appendChild(pose_)
# occluded
occluded_ = doc.createElement('occluded')
occluded_.appendChild(doc.createTextNode(str(IsOccluded)))
object.appendChild(occluded_)
# truncated
truncated_ = doc.createElement('truncated')
truncated_.appendChild(doc.createTextNode(str(IsTruncated)))
object.appendChild(truncated_)
# difficult
difficult_ = doc.createElement('difficult')
difficult_.appendChild(doc.createTextNode(str(IsDifficult)))
object.appendChild(difficult_)
# the bndbox
bndbox = doc.createElement('bndbox')
object.appendChild(bndbox)
xmin_ = doc.createElement('xmin')
xmin_.appendChild(doc.createTextNode(str(car_xmin)))
bndbox.appendChild(xmin_)
ymin_ = doc.createElement('ymin')
ymin_.appendChild(doc.createTextNode(str(car_ymin)))
bndbox.appendChild(ymin_)
xmax_ = doc.createElement('xmax')
xmax_.appendChild(doc.createTextNode(str(car_xmax)))
bndbox.appendChild(xmax_)
ymax_ = doc.createElement('ymax')
ymax_.appendChild(doc.createTextNode(str(car_ymax)))
bndbox.appendChild(ymax_)
# 003786.xml是一辆车两个车牌
if need_carplate:
carplates = obj.getElementsByTagName('carplate')
if len(carplates) == 0:
continue
else:
for i in range(len(carplates)):
num_carplate += 1
carplate = carplates[i]
carplate_x_top_left = round(
float(
carplate.getElementsByTagName('x_top_left')
[0].childNodes[0].nodeValue))
carplate_y_top_left = round(
float(
carplate.getElementsByTagName('y_top_left')
[0].childNodes[0].nodeValue))
carplate_x_top_right = round(
float(
carplate.getElementsByTagName('x_top_right')
[0].childNodes[0].nodeValue))
carplate_y_top_right = round(
float(
carplate.getElementsByTagName('y_top_right')
[0].childNodes[0].nodeValue))
carplate_x_bottom_right = round(
float(
carplate.getElementsByTagName('x_bottom_right')
[0].childNodes[0].nodeValue))
carplate_y_bottom_right = round(
float(
carplate.getElementsByTagName('y_bottom_right')
[0].childNodes[0].nodeValue))
carplate_x_bottom_left = round(
float(
carplate.getElementsByTagName('x_bottom_left')
[0].childNodes[0].nodeValue))
carplate_y_bottom_left = round(
float(
carplate.getElementsByTagName('y_bottom_left')
[0].childNodes[0].nodeValue))
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left,
carplate_x_top_right, carplate_y_top_right,
carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(
carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(
carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(
carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(
carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(
carplate_x_bottom_right, 1, width)
carplate_y_bottom_right = ex.limit_in_bounds(
carplate_y_bottom_right, 1, height)
carplate_x_bottom_left = ex.limit_in_bounds(
carplate_x_bottom_left, 1, width)
carplate_y_bottom_left = ex.limit_in_bounds(
carplate_y_bottom_left, 1, height)
carplate_xmin = min(carplate_x_top_left,
carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left,
carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right,
carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right,
carplate_y_bottom_left)
IsOccluded = int(
carplate.getElementsByTagName('occlusion')
[0].childNodes[0].nodeValue)
IsDifficult = int(
carplate.getElementsByTagName('difficult')
[0].childNodes[0].nodeValue)
# carplate
object = doc.createElement('object')
annotation.appendChild(object)
name = doc.createElement('name')
name.appendChild(doc.createTextNode("carplate"))
object.appendChild(name)
# pose
pose_ = doc.createElement('pose')
pose_.appendChild(doc.createTextNode('Unspecified'))
object.appendChild(pose_)
# occluded
occluded_ = doc.createElement('occluded')
occluded_.appendChild(doc.createTextNode(str(IsOccluded)))
object.appendChild(occluded_)
# truncated
truncated_ = doc.createElement('truncated')
truncated_.appendChild(doc.createTextNode(str(0)))
object.appendChild(truncated_)
# difficult
difficult_ = doc.createElement('difficult')
difficult_.appendChild(doc.createTextNode(
str(IsDifficult)))
object.appendChild(difficult_)
# the bndbox
bndbox = doc.createElement('bndbox')
object.appendChild(bndbox)
xmin_ = doc.createElement('xmin')
xmin_.appendChild(doc.createTextNode(str(carplate_xmin)))
bndbox.appendChild(xmin_)
ymin_ = doc.createElement('ymin')
ymin_.appendChild(doc.createTextNode(str(carplate_ymin)))
bndbox.appendChild(ymin_)
xmax_ = doc.createElement('xmax')
xmax_.appendChild(doc.createTextNode(str(carplate_xmax)))
bndbox.appendChild(xmax_)
ymax_ = doc.createElement('ymax')
ymax_.appendChild(doc.createTextNode(str(carplate_ymax)))
bndbox.appendChild(ymax_)
x_top_left_ = doc.createElement('x_top_left')
x_top_left_.appendChild(
doc.createTextNode(str(carplate_x_top_left)))
bndbox.appendChild(x_top_left_)
y_top_left_ = doc.createElement('y_top_left')
y_top_left_.appendChild(
doc.createTextNode(str(carplate_y_top_left)))
bndbox.appendChild(y_top_left_)
x_top_right_ = doc.createElement('x_top_right')
x_top_right_.appendChild(
doc.createTextNode(str(carplate_x_top_right)))
bndbox.appendChild(x_top_right_)
y_top_right_ = doc.createElement('y_top_right')
y_top_right_.appendChild(
doc.createTextNode(str(carplate_y_top_right)))
bndbox.appendChild(y_top_right_)
x_bottom_right_ = doc.createElement('x_bottom_right')
x_bottom_right_.appendChild(
doc.createTextNode(str(carplate_x_bottom_right)))
bndbox.appendChild(x_bottom_right_)
y_bottom_right_ = doc.createElement('y_bottom_right')
y_bottom_right_.appendChild(
doc.createTextNode(str(carplate_y_bottom_right)))
bndbox.appendChild(y_bottom_right_)
x_bottom_left_ = doc.createElement('x_bottom_left')
x_bottom_left_.appendChild(
doc.createTextNode(str(carplate_x_bottom_left)))
bndbox.appendChild(x_bottom_left_)
y_bottom_left_ = doc.createElement('y_bottom_left')
y_bottom_left_.appendChild(
doc.createTextNode(str(carplate_y_bottom_left)))
bndbox.appendChild(y_bottom_left_)
if (need_car and num_car > 0) or (need_carplate and num_carplate > 0):
fp = open(os.path.join(target_dir, fileitem), 'w')
doc.writexml(fp,
indent='\t',
addindent='\t',
newl='\n',
encoding="utf-8")
def crop_rectify_GT(fileitem):
img = cv2.imread(os.path.join(root_dir, fileitem))
height = 1160
width = 720
depth = 3
# four corners
four_corners = fileitem.split('-')[3]
if len(four_corners.split('_')) != 4:
print("wrong four corners")
print(fileitem)
carplate_x_bottom_right = int(four_corners.split('_')[0].split('&')[0])
carplate_y_bottom_right = int(four_corners.split('_')[0].split('&')[1])
carplate_x_bottom_left = int(four_corners.split('_')[1].split('&')[0])
carplate_y_bottom_left = int(four_corners.split('_')[1].split('&')[1])
carplate_x_top_left = int(four_corners.split('_')[2].split('&')[0])
carplate_y_top_left = int(four_corners.split('_')[2].split('&')[1])
carplate_x_top_right = int(four_corners.split('_')[3].split('&')[0])
carplate_y_top_right = int(four_corners.split('_')[3].split('&')[1])
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left, carplate_x_top_right,
carplate_y_top_right, carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(carplate_x_bottom_right, 1,
width)
carplate_y_bottom_right = ex.limit_in_bounds(carplate_y_bottom_right, 1,
height)
carplate_x_bottom_left = ex.limit_in_bounds(carplate_x_bottom_left, 1,
width)
carplate_y_bottom_left = ex.limit_in_bounds(carplate_y_bottom_left, 1,
height)
# bbox
carplate_xmin = min(carplate_x_top_left, carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left, carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right, carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right, carplate_y_bottom_left)
# GT
cv2.imwrite(os.path.join(GT_target_dir, fileitem),
img[carplate_ymin:carplate_ymax, carplate_xmin:carplate_xmax])
# GT_rectified
warp_width = math.sqrt(
math.pow(carplate_x_top_left - carplate_x_top_right, 2) +
math.pow(carplate_y_top_left - carplate_y_top_right, 2))
warp_height = math.sqrt(
math.pow(carplate_x_top_left - carplate_x_bottom_left, 2) +
math.pow(carplate_y_top_left - carplate_y_bottom_left, 2))
pts1 = np.float32([[carplate_xmin, carplate_ymin+int(warp_height)], [carplate_xmin+int(warp_width), carplate_ymin+int(warp_height)], \
[carplate_xmin, carplate_ymin], [carplate_xmin+int(warp_width), carplate_ymin]])
pts2 = np.float32([[carplate_x_bottom_left, carplate_y_bottom_left], [carplate_x_bottom_right, carplate_y_bottom_right], \
[carplate_x_top_left, carplate_y_top_left], [carplate_x_top_right, carplate_y_top_right]])
M = cv2.getPerspectiveTransform(pts2, pts1)
dst = cv2.warpPerspective(img, M, (width, height))
carplate_crop = dst[carplate_ymin:carplate_ymin + int(warp_height),
carplate_xmin:carplate_xmin + int(warp_width)]
cv2.imwrite(os.path.join(GT_rectified_target_dir, fileitem), carplate_crop)
def crop_rectify_GT(dic):
img = cv2.imread(os.path.join(img_path, dic['img_name']))
height, width, channel = img.shape
carplate_x_top_left = int(dic['carplate_x_top_left'])
carplate_y_top_left = int(dic['carplate_y_top_left'])
carplate_x_top_right = int(dic['carplate_x_top_right'])
carplate_y_top_right = int(dic['carplate_y_top_right'])
carplate_x_bottom_right = int(dic['carplate_x_bottom_right'])
carplate_y_bottom_right = int(dic['carplate_y_bottom_right'])
carplate_x_bottom_left = int(dic['carplate_x_bottom_left'])
carplate_y_bottom_left = int(dic['carplate_y_bottom_left'])
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left, carplate_x_top_right,
carplate_y_top_right, carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(carplate_x_bottom_right, 1,
width)
carplate_y_bottom_right = ex.limit_in_bounds(carplate_y_bottom_right, 1,
height)
carplate_x_bottom_left = ex.limit_in_bounds(carplate_x_bottom_left, 1,
width)
carplate_y_bottom_left = ex.limit_in_bounds(carplate_y_bottom_left, 1,
height)
# bbox
carplate_xmin = min(carplate_x_top_left, carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left, carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right, carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right, carplate_y_bottom_left)
# GT
cv2.imwrite(os.path.join(GT_target_dir, dic['img_name']),
img[carplate_ymin:carplate_ymax, carplate_xmin:carplate_xmax])
# GT_rectified
warp_width = math.sqrt(
math.pow(carplate_x_top_left - carplate_x_top_right, 2) +
math.pow(carplate_y_top_left - carplate_y_top_right, 2))
warp_height = math.sqrt(
math.pow(carplate_x_top_left - carplate_x_bottom_left, 2) +
math.pow(carplate_y_top_left - carplate_y_bottom_left, 2))
pts1 = np.float32([[carplate_xmin, carplate_ymin+int(warp_height)], [carplate_xmin+int(warp_width), carplate_ymin+int(warp_height)], \
[carplate_xmin, carplate_ymin], [carplate_xmin+int(warp_width), carplate_ymin]])
pts2 = np.float32([[carplate_x_bottom_left, carplate_y_bottom_left], [carplate_x_bottom_right, carplate_y_bottom_right], \
[carplate_x_top_left, carplate_y_top_left], [carplate_x_top_right, carplate_y_top_right]])
M = cv2.getPerspectiveTransform(pts2, pts1)
dst = cv2.warpPerspective(img, M, (width, height))
carplate_crop = dst[carplate_ymin:carplate_ymin + int(warp_height),
carplate_xmin:carplate_xmin + int(warp_width)]
cv2.imwrite(os.path.join(GT_rectified_target_dir, dic['img_name']),
carplate_crop)
obj.getElementsByTagName('ymax')
[0].childNodes[0].nodeValue)
x_top_left = x_min
y_top_left = y_min
x_top_right = x_max
y_top_right = y_min
x_bottom_right = x_max
y_bottom_right = y_max
x_bottom_left = x_min
y_bottom_left = y_max
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
x_top_left, y_top_left, x_top_right, y_top_right,
x_bottom_right, y_bottom_right, x_bottom_left,
y_bottom_left
])
x_top_left = results['x_top_left']
y_top_left = results['y_top_left']
x_top_right = results['x_top_right']
y_top_right = results['y_top_right']
x_bottom_right = results['x_bottom_right']
y_bottom_right = results['y_bottom_right']
x_bottom_left = results['x_bottom_left']
y_bottom_left = results['y_bottom_left']
# hand
object = doc.createElement('object')
annotation.appendChild(object)
name_ = doc.createElement('name')
corners.strip().split(':')[1].strip().split(' ')[1].split(',')[0])
carplate_y_top_right = int(
corners.strip().split(':')[1].strip().split(' ')[1].split(',')[1])
carplate_x_bottom_right = int(
corners.strip().split(':')[1].strip().split(' ')[2].split(',')[0])
carplate_y_bottom_right = int(
corners.strip().split(':')[1].strip().split(' ')[2].split(',')[1])
carplate_x_bottom_left = int(
corners.strip().split(':')[1].strip().split(' ')[3].split(',')[0])
carplate_y_bottom_left = int(
corners.strip().split(':')[1].strip().split(' ')[3].split(',')[1])
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left, carplate_x_top_right,
carplate_y_top_right, carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(carplate_y_top_right, 1, height)
def CCPD_to_VOC(fileitem):
# image info
# img = cv2.imread(os.path.join(root_dir, fileitem))
# height, width, depth = img.shape
height = 1160
width = 720
depth = 3
# check image size
if height != 1160 or width != 720:
print("wrong size")
print(fileitem)
# four corners
four_corners = fileitem.split('-')[3]
if len(four_corners.split('_')) != 4:
print("wrong four corners")
print(fileitem)
carplate_x_bottom_right = int(four_corners.split('_')[0].split('&')[0]) + 1
carplate_y_bottom_right = int(four_corners.split('_')[0].split('&')[1]) + 1
carplate_x_bottom_left = int(four_corners.split('_')[1].split('&')[0]) + 1
carplate_y_bottom_left = int(four_corners.split('_')[1].split('&')[1]) + 1
carplate_x_top_left = int(four_corners.split('_')[2].split('&')[0]) + 1
carplate_y_top_left = int(four_corners.split('_')[2].split('&')[1]) + 1
carplate_x_top_right = int(four_corners.split('_')[3].split('&')[0]) + 1
carplate_y_top_right = int(four_corners.split('_')[3].split('&')[1]) + 1
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left, carplate_x_top_right,
carplate_y_top_right, carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(carplate_x_bottom_right, 1,
width)
carplate_y_bottom_right = ex.limit_in_bounds(carplate_y_bottom_right, 1,
height)
carplate_x_bottom_left = ex.limit_in_bounds(carplate_x_bottom_left, 1,
width)
carplate_y_bottom_left = ex.limit_in_bounds(carplate_y_bottom_left, 1,
height)
# bbox
carplate_xmin = min(carplate_x_top_left, carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left, carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right, carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right, carplate_y_bottom_left)
# 官方自带的bbox,视觉效果很不准,还是通过四点得到bbox
# # bbox
# bbox = fileitem.split('-')[2]
# if len(bbox.split('_')) != 2:
# print("wrong bbox")
# print(fileitem)
# carplate_xmin = int(bbox.split('_')[0].split('&')[0])
# carplate_ymin = int(bbox.split('_')[0].split('&')[1])
# carplate_xmax = int(bbox.split('_')[1].split('&')[0])
# carplate_ymax = int(bbox.split('_')[1].split('&')[1])
# # 限制不超过图片上下界
# carplate_xmin = ex.limit_in_bounds(carplate_xmin, 1, width)
# carplate_ymin = ex.limit_in_bounds(carplate_ymin, 1, height)
# carplate_xmax = ex.limit_in_bounds(carplate_xmax, 1, width)
# carplate_ymax = ex.limit_in_bounds(carplate_ymax, 1, height)
# 创建dom文档
doc = Document()
# 创建根节点
annotation = doc.createElement('annotation')
# 根节点插入dom树
doc.appendChild(annotation)
# folder
folder = doc.createElement('folder')
annotation.appendChild(folder)
folder.appendChild(doc.createTextNode('carplate'))
# filename
filename = doc.createElement('filename')
annotation.appendChild(filename)
filename.appendChild(doc.createTextNode(str(fileitem)))
# source
source = doc.createElement('source')
annotation.appendChild(source)
database_ = doc.createElement('database')
database_.appendChild(doc.createTextNode('carplate'))
source.appendChild(database_)
# 创建size节点
size = doc.createElement('size')
annotation.appendChild(size)
width_ = doc.createElement('width')
width_.appendChild(doc.createTextNode(str(width)))
height_ = doc.createElement('height')
height_.appendChild(doc.createTextNode(str(height)))
depth_ = doc.createElement('depth')
depth_.appendChild(doc.createTextNode(str(depth)))
size.appendChild(width_)
size.appendChild(height_)
size.appendChild(depth_)
# segmentation
segmented = doc.createElement('segmented')
annotation.appendChild(segmented)
segmented.appendChild(doc.createTextNode(str(0)))
# carplate
object = doc.createElement('object')
annotation.appendChild(object)
name = doc.createElement('name')
name.appendChild(doc.createTextNode("carplate"))
object.appendChild(name)
# pose
pose_ = doc.createElement('pose')
pose_.appendChild(doc.createTextNode('Unspecified'))
object.appendChild(pose_)
# occluded
occluded_ = doc.createElement('occluded')
occluded_.appendChild(doc.createTextNode(str(0)))
object.appendChild(occluded_)
# truncated
truncated_ = doc.createElement('truncated')
truncated_.appendChild(doc.createTextNode(str(0)))
object.appendChild(truncated_)
# difficult
difficult_ = doc.createElement('difficult')
difficult_.appendChild(doc.createTextNode(str(0)))
object.appendChild(difficult_)
# the bndbox
bndbox = doc.createElement('bndbox')
object.appendChild(bndbox)
xmin_ = doc.createElement('xmin')
xmin_.appendChild(doc.createTextNode(str(carplate_xmin)))
bndbox.appendChild(xmin_)
ymin_ = doc.createElement('ymin')
ymin_.appendChild(doc.createTextNode(str(carplate_ymin)))
bndbox.appendChild(ymin_)
xmax_ = doc.createElement('xmax')
xmax_.appendChild(doc.createTextNode(str(carplate_xmax)))
bndbox.appendChild(xmax_)
ymax_ = doc.createElement('ymax')
ymax_.appendChild(doc.createTextNode(str(carplate_ymax)))
bndbox.appendChild(ymax_)
x_top_left_ = doc.createElement('x_top_left')
x_top_left_.appendChild(doc.createTextNode(str(carplate_x_top_left)))
bndbox.appendChild(x_top_left_)
y_top_left_ = doc.createElement('y_top_left')
y_top_left_.appendChild(doc.createTextNode(str(carplate_y_top_left)))
bndbox.appendChild(y_top_left_)
x_top_right_ = doc.createElement('x_top_right')
x_top_right_.appendChild(doc.createTextNode(str(carplate_x_top_right)))
bndbox.appendChild(x_top_right_)
y_top_right_ = doc.createElement('y_top_right')
y_top_right_.appendChild(doc.createTextNode(str(carplate_y_top_right)))
bndbox.appendChild(y_top_right_)
x_bottom_right_ = doc.createElement('x_bottom_right')
x_bottom_right_.appendChild(
doc.createTextNode(str(carplate_x_bottom_right)))
bndbox.appendChild(x_bottom_right_)
y_bottom_right_ = doc.createElement('y_bottom_right')
y_bottom_right_.appendChild(
doc.createTextNode(str(carplate_y_bottom_right)))
bndbox.appendChild(y_bottom_right_)
x_bottom_left_ = doc.createElement('x_bottom_left')
x_bottom_left_.appendChild(doc.createTextNode(str(carplate_x_bottom_left)))
bndbox.appendChild(x_bottom_left_)
y_bottom_left_ = doc.createElement('y_bottom_left')
y_bottom_left_.appendChild(doc.createTextNode(str(carplate_y_bottom_left)))
bndbox.appendChild(y_bottom_left_)
# save xml
fp = open(os.path.join(target_dir, fileitem[:-4] + ".xml"), 'w')
doc.writexml(fp, indent='\t', addindent='\t', newl='\n', encoding="utf-8")
def gen_carplate_size(fileitem):
dom = xml.dom.minidom.parse(os.path.join(root_xml_dir, fileitem))
root = dom.documentElement
# size
size = root.getElementsByTagName('size')[0]
width = int(size.getElementsByTagName('width')[0].childNodes[0].nodeValue)
height = int(size.getElementsByTagName('height')[0].childNodes[0].nodeValue)
depth = int(size.getElementsByTagName('depth')[0].childNodes[0].nodeValue)
# iteration
objects = root.getElementsByTagName('object')
for index, obj in enumerate(objects):
bndbox = obj.getElementsByTagName('bndbox')[0]
carplate_x_top_left = round(float(bndbox.getElementsByTagName('x_top_left')[0].childNodes[0].nodeValue))
carplate_y_top_left = round(float(bndbox.getElementsByTagName('y_top_left')[0].childNodes[0].nodeValue))
carplate_x_top_right = round(float(bndbox.getElementsByTagName('x_top_right')[0].childNodes[0].nodeValue))
carplate_y_top_right = round(float(bndbox.getElementsByTagName('y_top_right')[0].childNodes[0].nodeValue))
carplate_x_bottom_right = round(float(bndbox.getElementsByTagName('x_bottom_right')[0].childNodes[0].nodeValue))
carplate_y_bottom_right = round(float(bndbox.getElementsByTagName('y_bottom_right')[0].childNodes[0].nodeValue))
carplate_x_bottom_left = round(float(bndbox.getElementsByTagName('x_bottom_left')[0].childNodes[0].nodeValue))
carplate_y_bottom_left = round(float(bndbox.getElementsByTagName('y_bottom_left')[0].childNodes[0].nodeValue))
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([carplate_x_top_left, carplate_y_top_left, carplate_x_top_right, carplate_y_top_right,
carplate_x_bottom_right, carplate_y_bottom_right, carplate_x_bottom_left, carplate_y_bottom_left])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(carplate_x_bottom_right, 1, width)
carplate_y_bottom_right = ex.limit_in_bounds(carplate_y_bottom_right, 1, height)
carplate_x_bottom_left = ex.limit_in_bounds(carplate_x_bottom_left, 1, width)
carplate_y_bottom_left = ex.limit_in_bounds(carplate_y_bottom_left, 1, height)
carplate_xmin = min(carplate_x_top_left, carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left, carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right, carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right, carplate_y_bottom_left)
QP = np.array([carplate_x_top_left - carplate_x_bottom_left, carplate_y_top_left - carplate_y_bottom_left])
v = np.array([carplate_x_bottom_left - carplate_x_bottom_right, carplate_y_bottom_left - carplate_y_bottom_right])
h = np.linalg.norm(np.cross(QP, v))/np.linalg.norm(v)
# save image
img = cv2.imread(os.path.join(root_img_dir, fileitem.split('.')[0] + '.jpg'))
roi = img[carplate_ymin:carplate_ymax, carplate_xmin:carplate_xmax, :]
if h <= 16:
cv2.imwrite(os.path.join(target_img_dir + 'small', fileitem.split('.')[0] + '_' + str(index + 1) + '.jpg'), roi)
elif h > 16 and h <= 32:
cv2.imwrite(os.path.join(target_img_dir + 'medium', fileitem.split('.')[0] + '_' + str(index + 1) + '.jpg'), roi)
else:
cv2.imwrite(os.path.join(target_img_dir + 'large', fileitem.split('.')[0] + '_' + str(index + 1) + '.jpg'), roi)
def gen_car_carplate_two_stage_end2end(fileitem):
num_car_with_carplate = 0
num_car_without_carplate = 0
dom = xml.dom.minidom.parse(os.path.join(root_dir, fileitem))
root = dom.documentElement
# size
size = root.getElementsByTagName('size')[0]
width = int(size.getElementsByTagName('width')[0].childNodes[0].nodeValue)
height = int(
size.getElementsByTagName('height')[0].childNodes[0].nodeValue)
depth = int(size.getElementsByTagName('depth')[0].childNodes[0].nodeValue)
# 创建dom文档
doc = Document()
# 创建根节点
annotation = doc.createElement('annotation')
# 根节点插入dom树
doc.appendChild(annotation)
# folder
folder = doc.createElement('folder')
annotation.appendChild(folder)
folder.appendChild(doc.createTextNode('car_carplate_two_stage_end2end'))
# filename
filename = doc.createElement('filename')
annotation.appendChild(filename)
filename.appendChild(doc.createTextNode(fileitem.split('.')[0] + '.jpg'))
# source
source = doc.createElement('source')
annotation.appendChild(source)
database_ = doc.createElement('database')
database_.appendChild(doc.createTextNode('car_carplate_two_stage_end2end'))
source.appendChild(database_)
# 创建size节点
size = doc.createElement('size')
annotation.appendChild(size)
width_ = doc.createElement('width')
width_.appendChild(doc.createTextNode(str(width)))
height_ = doc.createElement('height')
height_.appendChild(doc.createTextNode(str(height)))
depth_ = doc.createElement('depth')
depth_.appendChild(doc.createTextNode(str(depth)))
size.appendChild(width_)
size.appendChild(height_)
size.appendChild(depth_)
# segmentation
segmented = doc.createElement('segmented')
annotation.appendChild(segmented)
segmented.appendChild(doc.createTextNode(str(0)))
# notice object and obj
objects = root.getElementsByTagName('object')
for index, obj in enumerate(objects):
bndbox = obj.getElementsByTagName('bndbox')[0]
misc = int(obj.getElementsByTagName('misc')[0].childNodes[0].nodeValue)
if not misc: # 不要misc的车辆
car_xmin = int(
bndbox.getElementsByTagName('xmin')[0].childNodes[0].nodeValue)
car_ymin = int(
bndbox.getElementsByTagName('ymin')[0].childNodes[0].nodeValue)
car_xmax = int(
bndbox.getElementsByTagName('xmax')[0].childNodes[0].nodeValue)
car_ymax = int(
bndbox.getElementsByTagName('ymax')[0].childNodes[0].nodeValue)
# 限制不超过图片上下界
car_xmin = ex.limit_in_bounds(car_xmin, 1, width)
car_ymin = ex.limit_in_bounds(car_ymin, 1, height)
car_xmax = ex.limit_in_bounds(car_xmax, 1, width)
car_ymax = ex.limit_in_bounds(car_ymax, 1, height)
car_IsOccluded = int(
obj.getElementsByTagName('occlusion')
[0].childNodes[0].nodeValue)
car_IsTruncated = int(
obj.getElementsByTagName('truncated')
[0].childNodes[0].nodeValue)
car_IsDifficult = int(
obj.getElementsByTagName('difficult')
[0].childNodes[0].nodeValue)
car_x_center = (car_xmin + car_xmax) / 2
car_y_center = (car_ymin + car_ymax) / 2
# carplate
carplates = obj.getElementsByTagName('carplate')
if len(carplates) == 0:
num_car_without_carplate += 1
# car
object = doc.createElement('object')
annotation.appendChild(object)
name = doc.createElement('name')
name.appendChild(doc.createTextNode('car'))
object.appendChild(name)
# pose
pose_ = doc.createElement('pose')
pose_.appendChild(doc.createTextNode('Unspecified'))
object.appendChild(pose_)
# occluded
occluded_ = doc.createElement('occluded')
occluded_.appendChild(doc.createTextNode(str(car_IsOccluded)))
object.appendChild(occluded_)
# truncated
truncated_ = doc.createElement('truncated')
truncated_.appendChild(doc.createTextNode(
str(car_IsTruncated)))
object.appendChild(truncated_)
# difficult
difficult_ = doc.createElement('difficult')
difficult_.appendChild(doc.createTextNode(
str(car_IsDifficult)))
object.appendChild(difficult_)
# dont have carplate
has_carplate_ = doc.createElement('has_carplate')
has_carplate_.appendChild(doc.createTextNode(str(0)))
object.appendChild(has_carplate_)
# the bndbox
bndbox = doc.createElement('bndbox')
object.appendChild(bndbox)
xmin_ = doc.createElement('xmin')
xmin_.appendChild(doc.createTextNode(str(car_xmin)))
bndbox.appendChild(xmin_)
ymin_ = doc.createElement('ymin')
ymin_.appendChild(doc.createTextNode(str(car_ymin)))
bndbox.appendChild(ymin_)
xmax_ = doc.createElement('xmax')
xmax_.appendChild(doc.createTextNode(str(car_xmax)))
bndbox.appendChild(xmax_)
ymax_ = doc.createElement('ymax')
ymax_.appendChild(doc.createTextNode(str(car_ymax)))
bndbox.appendChild(ymax_)
elif len(carplates) > 0:
num_car_with_carplate += 1
for i in range(len(carplates)):
# car
object = doc.createElement('object')
annotation.appendChild(object)
name = doc.createElement('name')
name.appendChild(doc.createTextNode('car'))
object.appendChild(name)
# pose
pose_ = doc.createElement('pose')
pose_.appendChild(doc.createTextNode('Unspecified'))
object.appendChild(pose_)
# occluded
occluded_ = doc.createElement('occluded')
occluded_.appendChild(
doc.createTextNode(str(car_IsOccluded)))
object.appendChild(occluded_)
# truncated
truncated_ = doc.createElement('truncated')
truncated_.appendChild(
doc.createTextNode(str(car_IsTruncated)))
object.appendChild(truncated_)
# difficult
difficult_ = doc.createElement('difficult')
difficult_.appendChild(
doc.createTextNode(str(car_IsDifficult)))
object.appendChild(difficult_)
# has carplate
has_carplate_ = doc.createElement('has_carplate')
has_carplate_.appendChild(doc.createTextNode(str(1)))
object.appendChild(has_carplate_)
# carplate
carplate = carplates[i]
carplate_IsOccluded = int(
carplate.getElementsByTagName('occlusion')
[0].childNodes[0].nodeValue)
carplate_IsDifficult = int(
carplate.getElementsByTagName('difficult')
[0].childNodes[0].nodeValue)
carplate_IsUnrecognable = int(
carplate.getElementsByTagName('unrecognable')
[0].childNodes[0].nodeValue)
# occluded
occluded_ = doc.createElement('carplate_occluded')
occluded_.appendChild(
doc.createTextNode(str(carplate_IsOccluded)))
object.appendChild(occluded_)
# difficult
difficult_ = doc.createElement('carplate_difficult')
difficult_.appendChild(
doc.createTextNode(str(carplate_IsDifficult)))
object.appendChild(difficult_)
# unrecognable
unrecognable_ = doc.createElement('carplate_unrecognable')
unrecognable_.appendChild(
doc.createTextNode(str(carplate_IsUnrecognable)))
object.appendChild(unrecognable_)
carplate_x_top_left = round(
float(
carplate.getElementsByTagName('x_top_left')
[0].childNodes[0].nodeValue))
carplate_y_top_left = round(
float(
carplate.getElementsByTagName('y_top_left')
[0].childNodes[0].nodeValue))
carplate_x_top_right = round(
float(
carplate.getElementsByTagName('x_top_right')
[0].childNodes[0].nodeValue))
carplate_y_top_right = round(
float(
carplate.getElementsByTagName('y_top_right')
[0].childNodes[0].nodeValue))
carplate_x_bottom_right = round(
float(
carplate.getElementsByTagName('x_bottom_right')
[0].childNodes[0].nodeValue))
carplate_y_bottom_right = round(
float(
carplate.getElementsByTagName('y_bottom_right')
[0].childNodes[0].nodeValue))
carplate_x_bottom_left = round(
float(
carplate.getElementsByTagName('x_bottom_left')
[0].childNodes[0].nodeValue))
carplate_y_bottom_left = round(
float(
carplate.getElementsByTagName('y_bottom_left')
[0].childNodes[0].nodeValue))
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left,
carplate_x_top_right, carplate_y_top_right,
carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(
carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(
carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(
carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(
carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(
carplate_x_bottom_right, 1, width)
carplate_y_bottom_right = ex.limit_in_bounds(
carplate_y_bottom_right, 1, height)
carplate_x_bottom_left = ex.limit_in_bounds(
carplate_x_bottom_left, 1, width)
carplate_y_bottom_left = ex.limit_in_bounds(
carplate_y_bottom_left, 1, height)
carplate_xmin = min(carplate_x_top_left,
carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left,
carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right,
carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right,
carplate_y_bottom_left)
carplate_x_center = (carplate_xmin + carplate_xmax) / 2
carplate_y_center = (carplate_ymin + carplate_ymax) / 2
# the bndbox
bndbox = doc.createElement('bndbox')
object.appendChild(bndbox)
xmin_ = doc.createElement('xmin')
xmin_.appendChild(doc.createTextNode(str(car_xmin)))
bndbox.appendChild(xmin_)
ymin_ = doc.createElement('ymin')
ymin_.appendChild(doc.createTextNode(str(car_ymin)))
bndbox.appendChild(ymin_)
xmax_ = doc.createElement('xmax')
xmax_.appendChild(doc.createTextNode(str(car_xmax)))
bndbox.appendChild(xmax_)
ymax_ = doc.createElement('ymax')
ymax_.appendChild(doc.createTextNode(str(car_ymax)))
bndbox.appendChild(ymax_)
# carplate size and offset
width_ = doc.createElement('width')
width_.appendChild(
doc.createTextNode(str(carplate_xmax - carplate_xmin)))
bndbox.appendChild(width_)
height_ = doc.createElement('height')
height_.appendChild(
doc.createTextNode(str(carplate_ymax - carplate_ymin)))
bndbox.appendChild(height_)
x_offset_ = doc.createElement('x_offset')
x_offset_.appendChild(
doc.createTextNode(
str(carplate_x_center - car_x_center)))
bndbox.appendChild(x_offset_)
y_offset_ = doc.createElement('y_offset')
y_offset_.appendChild(
doc.createTextNode(
str(carplate_y_center - car_y_center)))
bndbox.appendChild(y_offset_)
# carplate bbox
carplate_xmin_ = doc.createElement('carplate_xmin')
carplate_xmin_.appendChild(
doc.createTextNode(str(carplate_xmin)))
bndbox.appendChild(carplate_xmin_)
carplate_ymin_ = doc.createElement('carplate_ymin')
carplate_ymin_.appendChild(
doc.createTextNode(str(carplate_ymin)))
bndbox.appendChild(carplate_ymin_)
carplate_xmax_ = doc.createElement('carplate_xmax')
carplate_xmax_.appendChild(
doc.createTextNode(str(carplate_xmax)))
bndbox.appendChild(carplate_xmax_)
carplate_ymax_ = doc.createElement('carplate_ymax')
carplate_ymax_.appendChild(
doc.createTextNode(str(carplate_ymax)))
bndbox.appendChild(carplate_ymax_)
# carplate four points
carplate_x_top_left_ = doc.createElement(
'carplate_x_top_left')
carplate_x_top_left_.appendChild(
doc.createTextNode(str(carplate_x_top_left)))
bndbox.appendChild(carplate_x_top_left_)
carplate_y_top_left_ = doc.createElement(
'carplate_y_top_left')
carplate_y_top_left_.appendChild(
doc.createTextNode(str(carplate_y_top_left)))
bndbox.appendChild(carplate_y_top_left_)
carplate_x_top_right_ = doc.createElement(
'carplate_x_top_right')
carplate_x_top_right_.appendChild(
doc.createTextNode(str(carplate_x_top_right)))
bndbox.appendChild(carplate_x_top_right_)
carplate_y_top_right_ = doc.createElement(
'carplate_y_top_right')
carplate_y_top_right_.appendChild(
doc.createTextNode(str(carplate_y_top_right)))
bndbox.appendChild(carplate_y_top_right_)
carplate_x_bottom_right_ = doc.createElement(
'carplate_x_bottom_right')
carplate_x_bottom_right_.appendChild(
doc.createTextNode(str(carplate_x_bottom_right)))
bndbox.appendChild(carplate_x_bottom_right_)
carplate_y_bottom_right_ = doc.createElement(
'carplate_y_bottom_right')
carplate_y_bottom_right_.appendChild(
doc.createTextNode(str(carplate_y_bottom_right)))
bndbox.appendChild(carplate_y_bottom_right_)
carplate_x_bottom_left_ = doc.createElement(
'carplate_x_bottom_left')
carplate_x_bottom_left_.appendChild(
doc.createTextNode(str(carplate_x_bottom_left)))
bndbox.appendChild(carplate_x_bottom_left_)
carplate_y_bottom_left_ = doc.createElement(
'carplate_y_bottom_left')
carplate_y_bottom_left_.appendChild(
doc.createTextNode(str(carplate_y_bottom_left)))
bndbox.appendChild(carplate_y_bottom_left_)
fp = open(os.path.join(target_dir, fileitem), 'w')
doc.writexml(fp, indent='\t', addindent='\t', newl='\n', encoding="utf-8")
def CLPD_to_VOC(dic):
img_name = dic['img_name']
width = int(dic['width'])
height = int(dic['height'])
channel = dic['channel']
carplate_x_top_left = int(dic['carplate_x_top_left'])
carplate_y_top_left = int(dic['carplate_y_top_left'])
carplate_x_top_right = int(dic['carplate_x_top_right'])
carplate_y_top_right = int(dic['carplate_y_top_right'])
carplate_x_bottom_right = int(dic['carplate_x_bottom_right'])
carplate_y_bottom_right = int(dic['carplate_y_bottom_right'])
carplate_x_bottom_left = int(dic['carplate_x_bottom_left'])
carplate_y_bottom_left = int(dic['carplate_y_bottom_left'])
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left, carplate_x_top_right,
carplate_y_top_right, carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(carplate_x_bottom_right, 1,
width)
carplate_y_bottom_right = ex.limit_in_bounds(carplate_y_bottom_right, 1,
height)
carplate_x_bottom_left = ex.limit_in_bounds(carplate_x_bottom_left, 1,
width)
carplate_y_bottom_left = ex.limit_in_bounds(carplate_y_bottom_left, 1,
height)
# bbox
carplate_xmin = min(carplate_x_top_left, carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left, carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right, carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right, carplate_y_bottom_left)
# 创建dom文档
doc = Document()
# 创建根节点
annotation = doc.createElement('annotation')
# 根节点插入dom树
doc.appendChild(annotation)
# folder
folder = doc.createElement('folder')
annotation.appendChild(folder)
folder.appendChild(doc.createTextNode('carplate'))
# filename
filename = doc.createElement('filename')
annotation.appendChild(filename)
filename.appendChild(doc.createTextNode(str(img_name)))
# source
source = doc.createElement('source')
annotation.appendChild(source)
database_ = doc.createElement('database')
database_.appendChild(doc.createTextNode('carplate'))
source.appendChild(database_)
# 创建size节点
size = doc.createElement('size')
annotation.appendChild(size)
width_ = doc.createElement('width')
width_.appendChild(doc.createTextNode(str(width)))
height_ = doc.createElement('height')
height_.appendChild(doc.createTextNode(str(height)))
depth_ = doc.createElement('depth')
depth_.appendChild(doc.createTextNode(str(channel)))
size.appendChild(width_)
size.appendChild(height_)
size.appendChild(depth_)
# segmentation
segmented = doc.createElement('segmented')
annotation.appendChild(segmented)
segmented.appendChild(doc.createTextNode(str(0)))
# carplate
object = doc.createElement('object')
annotation.appendChild(object)
name = doc.createElement('name')
name.appendChild(doc.createTextNode("carplate"))
object.appendChild(name)
# pose
pose_ = doc.createElement('pose')
pose_.appendChild(doc.createTextNode('Unspecified'))
object.appendChild(pose_)
# occluded
occluded_ = doc.createElement('occluded')
occluded_.appendChild(doc.createTextNode(str(0)))
object.appendChild(occluded_)
# truncated
truncated_ = doc.createElement('truncated')
truncated_.appendChild(doc.createTextNode(str(0)))
object.appendChild(truncated_)
# difficult
difficult_ = doc.createElement('difficult')
difficult_.appendChild(doc.createTextNode(str(0)))
object.appendChild(difficult_)
# the bndbox
bndbox = doc.createElement('bndbox')
object.appendChild(bndbox)
xmin_ = doc.createElement('xmin')
xmin_.appendChild(doc.createTextNode(str(carplate_xmin)))
bndbox.appendChild(xmin_)
ymin_ = doc.createElement('ymin')
ymin_.appendChild(doc.createTextNode(str(carplate_ymin)))
bndbox.appendChild(ymin_)
xmax_ = doc.createElement('xmax')
xmax_.appendChild(doc.createTextNode(str(carplate_xmax)))
bndbox.appendChild(xmax_)
ymax_ = doc.createElement('ymax')
ymax_.appendChild(doc.createTextNode(str(carplate_ymax)))
bndbox.appendChild(ymax_)
x_top_left_ = doc.createElement('x_top_left')
x_top_left_.appendChild(doc.createTextNode(str(carplate_x_top_left)))
bndbox.appendChild(x_top_left_)
y_top_left_ = doc.createElement('y_top_left')
y_top_left_.appendChild(doc.createTextNode(str(carplate_y_top_left)))
bndbox.appendChild(y_top_left_)
x_top_right_ = doc.createElement('x_top_right')
x_top_right_.appendChild(doc.createTextNode(str(carplate_x_top_right)))
bndbox.appendChild(x_top_right_)
y_top_right_ = doc.createElement('y_top_right')
y_top_right_.appendChild(doc.createTextNode(str(carplate_y_top_right)))
bndbox.appendChild(y_top_right_)
x_bottom_right_ = doc.createElement('x_bottom_right')
x_bottom_right_.appendChild(
doc.createTextNode(str(carplate_x_bottom_right)))
bndbox.appendChild(x_bottom_right_)
y_bottom_right_ = doc.createElement('y_bottom_right')
y_bottom_right_.appendChild(
doc.createTextNode(str(carplate_y_bottom_right)))
bndbox.appendChild(y_bottom_right_)
x_bottom_left_ = doc.createElement('x_bottom_left')
x_bottom_left_.appendChild(doc.createTextNode(str(carplate_x_bottom_left)))
bndbox.appendChild(x_bottom_left_)
y_bottom_left_ = doc.createElement('y_bottom_left')
y_bottom_left_.appendChild(doc.createTextNode(str(carplate_y_bottom_left)))
bndbox.appendChild(y_bottom_left_)
# save xml
fp = open(os.path.join(target_dir, img_name[:-4] + ".xml"), 'w')
doc.writexml(fp, indent='\t', addindent='\t', newl='\n', encoding="utf-8")
# save test txt
fin = open(test_path, 'a+')
fin.write(img_name[:-4] + '\n')
fin.close()
def expand_carplate(fileitem, n):
dom = xml.dom.minidom.parse(os.path.join(root_xmls, fileitem))
root = dom.documentElement
# size
size = root.getElementsByTagName('size')[0]
width = int(size.getElementsByTagName('width')[0].childNodes[0].nodeValue)
height = int(
size.getElementsByTagName('height')[0].childNodes[0].nodeValue)
depth = int(size.getElementsByTagName('depth')[0].childNodes[0].nodeValue)
# notice object and obj
objects = root.getElementsByTagName('object')
for index, obj in enumerate(objects):
bndbox = obj.getElementsByTagName('bndbox')[0]
car_xmin = int(
bndbox.getElementsByTagName('xmin')[0].childNodes[0].nodeValue)
car_ymin = int(
bndbox.getElementsByTagName('ymin')[0].childNodes[0].nodeValue)
car_xmax = int(
bndbox.getElementsByTagName('xmax')[0].childNodes[0].nodeValue)
car_ymax = int(
bndbox.getElementsByTagName('ymax')[0].childNodes[0].nodeValue)
# 限制不超过图片上下界
car_xmin = ex.limit_in_bounds(car_xmin, 1, width)
car_ymin = ex.limit_in_bounds(car_ymin, 1, height)
car_xmax = ex.limit_in_bounds(car_xmax, 1, width)
car_ymax = ex.limit_in_bounds(car_ymax, 1, height)
# 003786.xml是一辆车两个车牌
carplates = obj.getElementsByTagName('carplate')
if len(carplates) == 0:
continue
else:
# 如果只有一个车牌的情况，多于一个车牌直接跳过，不然容易造成干扰
if len(carplates) == 1:
carplate = carplates[0]
carplate_x_top_left = round(
float(
carplate.getElementsByTagName('x_top_left')
[0].childNodes[0].nodeValue))
carplate_y_top_left = round(
float(
carplate.getElementsByTagName('y_top_left')
[0].childNodes[0].nodeValue))
carplate_x_top_right = round(
float(
carplate.getElementsByTagName('x_top_right')
[0].childNodes[0].nodeValue))
carplate_y_top_right = round(
float(
carplate.getElementsByTagName('y_top_right')
[0].childNodes[0].nodeValue))
carplate_x_bottom_right = round(
float(
carplate.getElementsByTagName('x_bottom_right')
[0].childNodes[0].nodeValue))
carplate_y_bottom_right = round(
float(
carplate.getElementsByTagName('y_bottom_right')
[0].childNodes[0].nodeValue))
carplate_x_bottom_left = round(
float(
carplate.getElementsByTagName('x_bottom_left')
[0].childNodes[0].nodeValue))
carplate_y_bottom_left = round(
float(
carplate.getElementsByTagName('y_bottom_left')
[0].childNodes[0].nodeValue))
# 将车牌四点顺序改为标准的左上右上右下左下
results = ex.exchange_four_points_to_std([
carplate_x_top_left, carplate_y_top_left,
carplate_x_top_right, carplate_y_top_right,
carplate_x_bottom_right, carplate_y_bottom_right,
carplate_x_bottom_left, carplate_y_bottom_left
])
carplate_x_top_left = results['x_top_left']
carplate_y_top_left = results['y_top_left']
carplate_x_top_right = results['x_top_right']
carplate_y_top_right = results['y_top_right']
carplate_x_bottom_right = results['x_bottom_right']
carplate_y_bottom_right = results['y_bottom_right']
carplate_x_bottom_left = results['x_bottom_left']
carplate_y_bottom_left = results['y_bottom_left']
# 限制不超过图片上下界
carplate_x_top_left = ex.limit_in_bounds(
carplate_x_top_left, 1, width)
carplate_y_top_left = ex.limit_in_bounds(
carplate_y_top_left, 1, height)
carplate_x_top_right = ex.limit_in_bounds(
carplate_x_top_right, 1, width)
carplate_y_top_right = ex.limit_in_bounds(
carplate_y_top_right, 1, height)
carplate_x_bottom_right = ex.limit_in_bounds(
carplate_x_bottom_right, 1, width)
carplate_y_bottom_right = ex.limit_in_bounds(
carplate_y_bottom_right, 1, height)
carplate_x_bottom_left = ex.limit_in_bounds(
carplate_x_bottom_left, 1, width)
carplate_y_bottom_left = ex.limit_in_bounds(
carplate_y_bottom_left, 1, height)
carplate_xmin = min(carplate_x_top_left,
carplate_x_bottom_left)
carplate_ymin = min(carplate_y_top_left, carplate_y_top_right)
carplate_xmax = max(carplate_x_bottom_right,
carplate_x_top_right)
carplate_ymax = max(carplate_y_bottom_right,
carplate_y_bottom_left)
carplate_width = carplate_xmax - carplate_xmin
carplate_height = carplate_ymax - carplate_ymin
for x in range(1, expand_num + 1):
print("generate NO. " + str(x) + "'s data.")
# 产生左上角随机偏移(xrand, yrand)
xrand = int(random.uniform(0, (n - 1) * carplate_width))
yrand = int(random.uniform(0, (n - 1) * carplate_height))
roi_xmin = max(int(carplate_xmin - xrand), car_xmin)
roi_ymin = max(int(carplate_ymin - yrand), car_ymin)
roi_xmax = min(int(roi_xmin + n * carplate_width),
car_xmax)
roi_ymax = min(int(roi_ymin + n * carplate_height),
car_ymax)
roi_x_top_left = int(carplate_x_top_left) - roi_xmin
roi_y_top_left = int(carplate_y_top_left) - roi_ymin
roi_x_top_right = int(carplate_x_top_right) - roi_xmin
roi_y_top_right = int(carplate_y_top_right) - roi_ymin
roi_x_bottom_right = int(
carplate_x_bottom_right) - roi_xmin
roi_y_bottom_right = int(
carplate_y_bottom_right) - roi_ymin
roi_x_bottom_left = int(carplate_x_bottom_left) - roi_xmin
roi_y_bottom_left = int(carplate_y_bottom_left) - roi_ymin
carplate_xmin_new = min(roi_x_top_left, roi_x_bottom_left)
carplate_ymin_new = min(roi_y_top_left, roi_y_top_right)
carplate_xmax_new = max(roi_x_bottom_right,
roi_x_top_right)
carplate_ymax_new = max(roi_y_bottom_right,
roi_y_bottom_left)
# 创建dom文档
doc = Document()
# 创建根节点
annotation = doc.createElement('annotation')
# 根节点插入dom树
doc.appendChild(annotation)
# folder
folder = doc.createElement('folder')
annotation.appendChild(folder)
folder.appendChild(doc.createTextNode('carplate'))
# filename
filename = doc.createElement('filename')
annotation.appendChild(filename)
filename.appendChild(
doc.createTextNode(
fileitem.split('.')[0] + '_' + str(index + 1) +
'_' + str(x) + '.jpg'))
# source
source = doc.createElement('source')
annotation.appendChild(source)
database_ = doc.createElement('database')
database_.appendChild(doc.createTextNode('carplate'))
source.appendChild(database_)
# 创建size节点
size = doc.createElement('size')
annotation.appendChild(size)
width_ = doc.createElement('width')
width_.appendChild(
doc.createTextNode(str(roi_xmax - roi_xmin)))
height_ = doc.createElement('height')
height_.appendChild(
doc.createTextNode(str(roi_ymax - roi_ymin)))
depth_ = doc.createElement('depth')
depth_.appendChild(doc.createTextNode(str(depth)))
size.appendChild(width_)
size.appendChild(height_)
size.appendChild(depth_)
# segmentation
segmented = doc.createElement('segmented')
annotation.appendChild(segmented)
segmented.appendChild(doc.createTextNode(str(0)))
IsOccluded = int(
carplate.getElementsByTagName('occlusion')
[0].childNodes[0].nodeValue)
IsDifficult = int(
carplate.getElementsByTagName('difficult')
[0].childNodes[0].nodeValue)
# carplate
object = doc.createElement('object')
annotation.appendChild(object)
name = doc.createElement('name')
name.appendChild(doc.createTextNode("carplate"))
object.appendChild(name)
# pose
pose_ = doc.createElement('pose')
pose_.appendChild(doc.createTextNode('Unspecified'))
object.appendChild(pose_)
# occluded
occluded_ = doc.createElement('occluded')
occluded_.appendChild(doc.createTextNode(str(IsOccluded)))
object.appendChild(occluded_)
# truncated
truncated_ = doc.createElement('truncated')
truncated_.appendChild(doc.createTextNode(str(0)))
object.appendChild(truncated_)
# difficult
difficult_ = doc.createElement('difficult')
difficult_.appendChild(doc.createTextNode(
str(IsDifficult)))
object.appendChild(difficult_)
# the bndbox
bndbox = doc.createElement('bndbox')
object.appendChild(bndbox)
xmin_ = doc.createElement('xmin')
xmin_.appendChild(
doc.createTextNode(str(carplate_xmin_new)))
bndbox.appendChild(xmin_)
ymin_ = doc.createElement('ymin')
ymin_.appendChild(
doc.createTextNode(str(carplate_ymin_new)))
bndbox.appendChild(ymin_)
xmax_ = doc.createElement('xmax')
xmax_.appendChild(
doc.createTextNode(str(carplate_xmax_new)))
bndbox.appendChild(xmax_)
ymax_ = doc.createElement('ymax')
ymax_.appendChild(
doc.createTextNode(str(carplate_ymax_new)))
bndbox.appendChild(ymax_)
x_top_left_ = doc.createElement('x_top_left')
x_top_left_.appendChild(
doc.createTextNode(str(roi_x_top_left)))
bndbox.appendChild(x_top_left_)
y_top_left_ = doc.createElement('y_top_left')
y_top_left_.appendChild(
doc.createTextNode(str(roi_y_top_left)))
bndbox.appendChild(y_top_left_)
x_top_right_ = doc.createElement('x_top_right')
x_top_right_.appendChild(
doc.createTextNode(str(roi_x_top_right)))
bndbox.appendChild(x_top_right_)
y_top_right_ = doc.createElement('y_top_right')
y_top_right_.appendChild(
doc.createTextNode(str(roi_y_top_right)))
bndbox.appendChild(y_top_right_)
x_bottom_right_ = doc.createElement('x_bottom_right')
x_bottom_right_.appendChild(
doc.createTextNode(str(roi_x_bottom_right)))
bndbox.appendChild(x_bottom_right_)
y_bottom_right_ = doc.createElement('y_bottom_right')
y_bottom_right_.appendChild(
doc.createTextNode(str(roi_y_bottom_right)))
bndbox.appendChild(y_bottom_right_)
x_bottom_left_ = doc.createElement('x_bottom_left')
x_bottom_left_.appendChild(
doc.createTextNode(str(roi_x_bottom_left)))
bndbox.appendChild(x_bottom_left_)
y_bottom_left_ = doc.createElement('y_bottom_left')
y_bottom_left_.appendChild(
doc.createTextNode(str(roi_y_bottom_left)))
bndbox.appendChild(y_bottom_left_)
# save xml
fp = open(
os.path.join(
target_xmls,
fileitem.split('.')[0] + '_' + str(index + 1) +
'_' + str(x) + '.xml'), 'w')
doc.writexml(fp,
indent='\t',
addindent='\t',
newl='\n',
encoding="utf-8")
# save image
img = cv2.imread(
os.path.join(root_imgs,
fileitem.split('.')[0] + '.jpg'))
roi = img[roi_ymin:roi_ymax, roi_xmin:roi_xmax, :]
cv2.imwrite(
os.path.join(
target_imgs,
fileitem.split('.')[0] + '_' + str(index + 1) +
'_' + str(x) + '.jpg'), roi)