class ClassifySample():
def __init__(self, train_path):
self.train_path = train_path
self.data_and_label_list = []
self.sample_count = 0
self.dirProcess = DirProcess()
def read_sample(self, flag):
if flag == 0:
self.data_and_label_list = self.get_image_and_label_list(
self.train_path)
elif flag == 1:
self.data_and_label_list = self.get_pointcloud_and_label_list(
self.train_path)
self.sample_count = self.get_sample_count()
def get_sample_path(self, index):
temp_index = index % self.sample_count
img_path, label = self.data_and_label_list[temp_index]
return img_path, label
def get_sample_count(self):
return len(self.data_and_label_list)
def get_image_and_label_list(self, train_path):
result = []
path, _ = os.path.split(train_path)
images_dir = os.path.join(path, "../JPEGImages")
for line_data in self.dirProcess.getFileData(train_path):
data_list = [x.strip() for x in line_data.split() if x.strip()]
if len(data_list) == 2:
image_path = os.path.join(images_dir, data_list[0])
# print(image_path)
if os.path.exists(image_path):
result.append((image_path, int(data_list[1])))
else:
print("%s not exist" % image_path)
else:
print("% error" % line_data)
return result
def get_pointcloud_and_label_list(self, train_path):
result = []
path, _ = os.path.split(train_path)
data_dir = os.path.join(path, "../pcds")
for line_data in self.dirProcess.getFileData(train_path):
data_list = [x.strip() for x in line_data.split() if x.strip()]
if len(data_list) == 2:
pcd_path = os.path.join(data_dir, data_list[0])
# print(pcd_path)
if os.path.exists(pcd_path):
result.append((pcd_path, int(data_list[1])))
else:
print("%s not exist" % pcd_path)
else:
print("% error" % line_data)
return result
class ComputeImagesMean():
def __init__(self, image_size):
self.image_size = image_size
self.dir_process = DirProcess()
self.image_process = ImageProcess()
self.dataset_process = ImageDataSetProcess()
def compute(self, train_path):
numpy_images = []
path, _ = os.path.split(train_path)
images_dir = os.path.join(path, "../JPEGImages")
for line_data in self.dir_process.getFileData(train_path):
data_list = [x.strip() for x in line_data.split() if x.strip()]
if len(data_list) >= 1:
image_path = os.path.join(images_dir, data_list[0])
src_image, rgb_image = self.image_process.readRgbImage(image_path)
rgb_image = self.dataset_process.image_resize(rgb_image, self.image_size)
normaliza_image = self.dataset_process.image_normaliza(rgb_image)
numpy_images.append(normaliza_image)
else:
print("read %s image path error!" % data_list)
numpy_images = np.stack(numpy_images)
mean = np.mean(numpy_images, axis=(0, 1, 2))
std = np.std(numpy_images, axis=(0, 1, 2))
return mean, std
class SegmentSample():
def __init__(self, train_path):
self.train_path = train_path
self.is_shuffled = False
self.shuffled_vector = []
self.image_and_label_list = []
self.sample_count = 0
self.annotation_post = ".png"
self.dirProcess = DirProcess()
def read_sample(self):
self.image_and_label_list = self.get_image_and_label_list(
self.train_path)
self.sample_count = self.get_sample_count()
def get_sample_path(self, index):
if self.is_shuffled:
temp_index = index % self.sample_count
temp_index = self.shuffled_vector[temp_index]
img_path, label_path = self.image_and_label_list[temp_index]
else:
temp_index = index % self.sample_count
img_path, label_path = self.image_and_label_list[temp_index]
return img_path, label_path
def get_sample_count(self):
return len(self.image_and_label_list)
def shuffle_sample(self):
self.shuffled_vector = np.random.permutation(self.sample_count)
self.is_shuffled = True
def get_image_and_label_list(self, train_path):
result = []
path, _ = os.path.split(train_path)
images_dir = os.path.join(path, "../JPEGImages")
labels_dir = os.path.join(path, "../SegmentLabel")
for filename_and_post in self.dirProcess.getFileData(train_path):
filename, post = os.path.splitext(filename_and_post)
label_filename = filename + self.annotation_post
label_path = os.path.join(labels_dir, label_filename)
image_path = os.path.join(images_dir, filename_and_post)
#print(image_path)
if os.path.exists(label_path) and \
os.path.exists(image_path):
result.append((image_path, label_path))
else:
print("%s or %s not exist" % (label_path, image_path))
return result
class DetectionSample():
def __init__(self, train_path, class_name, is_balance=False):
self.train_path = train_path
self.is_blance = is_balance
self.class_name = class_name
self.is_shuffled = False
self.shuffled_vectors = {}
self.balanced_files = {}
self.balance_file_count = {}
self.image_and_label_list = []
self.sample_count = 0
self.balanced_file_index = np.zeros(len(self.class_name))
self.annotation_post = ".xml"
self.dirProcess = DirProcess()
def read_sample(self):
if self.is_blance:
self.balanced_files, self.balance_file_count = \
self.get_blance_file_list(self.train_path, self.class_name)
else:
self.image_and_label_list = self.get_image_and_label_list(
self.train_path)
self.sample_count = self.get_sample_count()
def get_sample_path(self, index, class_index=None):
if self.is_shuffled:
if self.is_blance:
name = self.class_name[class_index]
files = self.balanced_files[name]
temp_index = index % self.balance_file_count[name]
temp_index = self.shuffled_vectors[name][temp_index]
img_path, label_path = files[temp_index]
else:
temp_index = index % self.sample_count
temp_index = self.shuffled_vectors[temp_index]
img_path, label_path = self.image_and_label_list[temp_index]
else:
if self.is_blance:
name = self.class_name[class_index]
files = self.balanced_files[name]
temp_index = index % self.balance_file_count[name]
img_path, label_path = files[temp_index]
else:
temp_index = index % self.sample_count
img_path, label_path = self.image_and_label_list[temp_index]
return img_path, label_path
def get_sample_start_index(self, index, batch_size, class_index=None):
if self.is_blance:
start_index = self.balanced_file_index[class_index]
name = self.class_name[class_index]
self.balanced_file_index[class_index] = (start_index + batch_size) % \
self.balance_file_count[name]
else:
start_index = index * batch_size
return int(start_index)
def get_sample_count(self):
result = 0
if self.is_blance:
for key, value in self.balance_file_count.items():
result += value
else:
result = len(self.image_and_label_list)
return result
def shuffle_sample(self):
self.shuffled_vectors = {}
if self.is_blance:
self.balanced_file_index = np.zeros(len(self.class_name))
for i in range(0, len(self.class_name)):
self.shuffled_vectors[self.class_name[i]] = \
np.random.permutation(self.balance_file_count[self.class_name[i]])
else:
self.shuffled_vectors = np.random.permutation(self.sample_count)
self.is_shuffled = True
def get_blance_file_list(self, train_path, class_name):
file_list = {}
file_count = {}
class_count = len(class_name)
path, _ = os.path.split(train_path)
for i in range(0, class_count):
class_file = self.class_name[i] + ".txt"
class_path = os.path.join(path, class_file)
file_list[class_name[i]] = self.get_image_and_label_list(
class_path)
file_count[class_name[i]] = len(file_list[class_name[i]])
return file_list, file_count
def get_image_and_label_list(self, train_path):
result = []
path, _ = os.path.split(train_path)
images_dir = os.path.join(path, "../JPEGImages")
annotation_dir = os.path.join(path, "../Annotations")
for filename_and_post in self.dirProcess.getFileData(train_path):
filename, post = os.path.splitext(filename_and_post)
annotation_filename = filename + self.annotation_post
annotation_path = os.path.join(annotation_dir, annotation_filename)
image_path = os.path.join(images_dir, filename_and_post)
#print(image_path)
if os.path.exists(annotation_path) and \
os.path.exists(image_path):
result.append((image_path, annotation_path))
else:
print("%s or %s not exist" % (annotation_path, image_path))
return result
class CreateDetectionSample():
def __init__(self):
self.dirProcess = DirProcess()
self.xmlProcess = XMLProcess()
self.annotation_post = ".xml"
def createBalanceSample(self, inputTrainPath, outputPath):
if not os.path.exists(outputPath):
os.makedirs(outputPath)
path, _ = os.path.split(inputTrainPath)
annotationDir = os.path.join(path, "../Annotations")
imagesDir = os.path.join(path, "../JPEGImages")
writeFile = self.createWriteFile(outputPath)
for fileNameAndPost in self.dirProcess.getFileData(inputTrainPath):
fileName, post = os.path.splitext(fileNameAndPost)
annotationFileName = fileName + self.annotation_post
annotationPath = os.path.join(annotationDir, annotationFileName)
imagePath = os.path.join(imagesDir, fileNameAndPost)
print(imagePath, annotationPath)
if os.path.exists(annotationPath) and \
os.path.exists(imagePath):
_, _, boxes = self.xmlProcess.parseRectData(annotationPath)
allNames = [
box.name for box in boxes
if box.name in detect2d_config.className
]
names = set(allNames)
print(names)
for className in names:
writeFile[className].write(fileNameAndPost + "\n")
def createTrainAndTest(self, inputDir, outputPath, probability):
annotationsDir = os.path.join(inputDir, "../Annotations")
saveTrainFilePath = os.path.join(outputPath, "train.txt")
saveTestFilePath = os.path.join(outputPath, "val.txt")
saveTrainFilePath = open(saveTrainFilePath, "w")
saveTestFilePath = open(saveTestFilePath, "w")
imageList = list(self.dirProcess.getDirFiles(inputDir, "*.*"))
random.shuffle(imageList)
for imageIndex, imagePath in enumerate(imageList):
print(imagePath)
image = cv2.imdecode(np.fromfile(imagePath, dtype=np.uint8),
cv2.IMREAD_GRAYSCALE)
path, file_name_and_post = os.path.split(imagePath)
imageName, post = os.path.splitext(file_name_and_post)
xmlPath = os.path.join(annotationsDir,
"%s%s" % (imageName, self.annotation_post))
if (image is not None) and os.path.exists(xmlPath):
if (imageIndex + 1) % probability == 0:
saveTestFilePath.write("%s\n" % file_name_and_post)
else:
saveTrainFilePath.write("%s\n" % file_name_and_post)
saveTrainFilePath.close()
saveTestFilePath.close()
def createWriteFile(self, outputPath):
result = {}
for className in detect2d_config.className:
classImagePath = os.path.join(outputPath, className + ".txt")
result[className] = open(classImagePath, "w")
return result