def __init__(self,
name: str,
input_buffer: str,
output_buffer: Union[str, List[str]],
enable_key: Optional[Union[str, int]] = None,
enable: bool = True,
show_bbox: bool = True,
show_keypoint: bool = True,
must_have_keypoint: bool = False,
kpt_thr: float = 0.3,
radius: int = 4,
thickness: int = 2,
bbox_color: Optional[Union[str, Tuple, Dict]] = None):
super().__init__(name=name,
input_buffer=input_buffer,
output_buffer=output_buffer,
enable_key=enable_key,
enable=enable)
self.kpt_thr = kpt_thr
self.radius = radius
self.thickness = thickness
self.show_bbox = show_bbox
self.show_keypoint = show_keypoint
self.must_have_keypoint = must_have_keypoint
if bbox_color is None:
self.bbox_color = self.default_bbox_color
elif isinstance(bbox_color, dict):
self.bbox_color = {k: color_val(v) for k, v in bbox_color.items()}
else:
self.bbox_color = color_val(bbox_color)
def draw_projected_box3d(image,
qs,
color=(255, 0, 255),
middle_color=None,
bottom_color=None,
thickness=2):
""" Draw 3d bounding box in image
qs: (8,2), projected 3d points array of vertices for the 3d box in following order:
1 -------- 0
/| /|
2 -------- 3 .
| | | |
. 5 -------- 4
|/ |/
6 -------- 7
"""
# Ref: https://github.com/charlesq34/frustum-pointnets/blob/master/kitti/kitti_util.py
qs = qs.astype(np.int32)
color = mmcv.color_val(color) # top color
colors = colormap(rgb=False, maximum=255)
for k in range(0, 4):
# Ref: http://docs.enthought.com/mayavi/mayavi/auto/mlab_helper_functions.html
# use LINE_AA for opencv3
# CV_AA for opencv2?
# bottom: blue
i, j = k + 4, (k + 1) % 4 + 4
if bottom_color is None:
_bottom_color = tuple(int(_c) for _c in colors[k % len(colors)])
else:
_bottom_color = tuple(
int(_c) for _c in mmcv.color_val(bottom_color))
cv2.line(image, (qs[i, 0], qs[i, 1]), (qs[j, 0], qs[j, 1]),
_bottom_color, thickness, cv2.LINE_AA)
# middle: colormap
i, j = k, k + 4
if middle_color is None:
_middle_color = tuple(int(_c) for _c in colors[k % len(colors)])
else:
_middle_color = tuple(
int(_c) for _c in mmcv.color_val(middle_color))
cv2.line(image, (qs[i, 0], qs[i, 1]), (qs[j, 0], qs[j, 1]),
_middle_color, thickness, cv2.LINE_AA)
# top: pink/red
i, j = k, (k + 1) % 4
cv2.line(image, (qs[i, 0], qs[i, 1]), (qs[j, 0], qs[j, 1]), color,
thickness, cv2.LINE_AA)
# # method 2
# draw pillars in blue color-------------------
# for i, j in zip(range(4), range(4, 8)):
# image = cv2.line(image, tuple(qs[i]), tuple(qs[j]), (255), thickness)
# # draw bottom layer in red color
# image = cv2.drawContours(image, [qs[4:]], -1, (0, 0, 255), thickness)
# # draw top layer in red color
# image = cv2.drawContours(image, [qs[:4]], -1, (0, 255, 0), thickness)
# ---------------------------
return image
def __init__(self,
name: str,
input_buffer: str,
output_buffer: Union[str, List[str]],
enable_key: Optional[Union[str, int]] = None,
enable: bool = False,
x_offset=20,
y_offset=20,
y_delta=15,
text_color='black',
background_color=(255, 183, 0),
text_scale=0.4,
ignore_items: Optional[List[str]] = None):
super().__init__(name=name, enable_key=enable_key, enable=enable)
self.x_offset = x_offset
self.y_offset = y_offset
self.y_delta = y_delta
self.text_color = color_val(text_color)
self.background_color = color_val(background_color)
self.text_scale = text_scale
if ignore_items is None:
self.ignore_items = self._default_ignore_items
else:
self.ignore_items = ignore_items
self.register_input_buffer(input_buffer, 'input', trigger=True)
self.register_output_buffer(output_buffer)
def __init__(self,
name: str,
input_buffer: str,
output_buffer: Union[str, List[str]],
enable_key: Optional[Union[str, int]] = None,
enable: bool = True,
content_lines: Optional[List[str]] = None,
x_offset: int = 20,
y_offset: int = 20,
y_delta: int = 15,
text_color: Union[str, Tuple[int, int, int]] = 'black',
background_color: Union[str, Tuple[int, int,
int]] = (255, 183, 0),
text_scale: float = 0.4):
super().__init__(name=name,
input_buffer=input_buffer,
output_buffer=output_buffer,
enable_key=enable_key,
enable=enable)
self.x_offset = x_offset
self.y_offset = y_offset
self.y_delta = y_delta
self.text_color = color_val(text_color)
self.background_color = color_val(background_color)
self.text_scale = text_scale
if content_lines:
self.content_lines = content_lines
else:
self.content_lines = self.default_content_lines
def det_bboxes(img,
bboxes,
labels,
score_thr=0,
bbox_color='green',
text_color='green',
thickness=2,
font_scale=0.5,
show=True,
win_name='',
wait_time=0,
out_file=None):
assert bboxes.ndim == 2
assert labels.ndim == 1
assert bboxes.shape[0] == labels.shape[0]
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
bbox_color = mmcv.color_val(bbox_color)
text_color = mmcv.color_val(text_color)
ret_str = ''
for bbox, label in zip(bboxes, labels):
bbox_int = bbox.astype(np.int32)
left_top = (bbox_int[0], bbox_int[1])
right_bottom = (bbox_int[2], bbox_int[3])
cv2.rectangle(img,
left_top,
right_bottom,
bbox_color,
thickness=thickness)
label_text = str(label)
dataset_name = 'sign'
class_names = get_classes(dataset_name)
label_text = class_names[
label] if class_names is not None else 'cls {}'.format(label)
w = bbox_int[2] - bbox_int[0]
h = bbox_int[3] - bbox_int[1]
ss = ' ' + str(left_top[0]) + ',' + str(
left_top[1]) + ',' + str(w) + ',' + str(h)
if len(bbox) > 4:
cv2.putText(img, label_text, (bbox_int[0], bbox_int[1] - 2),
cv2.FONT_HERSHEY_COMPLEX_SMALL, font_scale, text_color)
ret_str += ss
if show:
mmcv.imshow(img, win_name, wait_time)
if out_file is not None:
mmcv.imwrite(img, out_file)
return ret_str
def imshow_tracklets(img,
bboxes,
labels=None,
ids=None,
thickness=2,
font_scale=0.4,
show=False,
win_name='',
color=None,
out_file=None):
assert bboxes.ndim == 2
assert labels.ndim == 1
assert bboxes.shape[0] == labels.shape[0]
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5
if isinstance(img, str):
img = imread(img)
i = 0
for bbox, label in zip(bboxes, labels):
x1, y1, x2, y2, _ = bbox.astype(np.int32)
if ids is not None:
if color is None:
bbox_color = random_color(ids[i])
bbox_color = [int(255 * _c) for _c in bbox_color][::-1]
else:
bbox_color = mmcv.color_val(color)
img[y1:y1 + 12, x1:x1 + 20, :] = bbox_color
cv2.putText(img,
str(ids[i]), (x1, y1 + 10),
cv2.FONT_HERSHEY_COMPLEX,
font_scale,
color=color_val('black'))
else:
if color is None:
bbox_color = color_val('green')
else:
bbox_color = mmcv.color_val(color)
cv2.rectangle(img, (x1, y1), (x2, y2), bbox_color, thickness=thickness)
if bbox[-1] < 0:
bbox[-1] = np.nan
label_text = '{:.02f}'.format(bbox[-1])
img[y1 - 12:y1, x1:x1 + 30, :] = bbox_color
cv2.putText(img,
label_text, (x1, y1 - 2),
cv2.FONT_HERSHEY_COMPLEX,
font_scale,
color=color_val('black'))
i += 1
if show:
imshow(img, win_name)
if out_file is not None:
imwrite(img, out_file)
return img
def show_result_in_Chinese(img, result, class_names, score_thr=0.3, out_file=None, thickness=1, bbox_color='green',
text_color='green'):
assert isinstance(class_names, (tuple, list))
img = mmcv.imread(img)
if isinstance(result, tuple):
bbox_result, segm_result = result
else:
bbox_result, segm_result = result, None
bboxes = np.vstack(bbox_result)
# draw segmentation masks
if segm_result is not None:
segms = mmcv.concat_list(segm_result)
inds = np.where(bboxes[:, -1] > score_thr)[0]
for i in inds:
color_mask = np.random.randint(0, 256, (1, 3), dtype=np.uint8)
mask = maskUtils.decode(segms[i]).astype(np.bool)
img[mask] = img[mask] * 0.5 + color_mask * 0.5
# draw bounding boxes
labels = [
np.full(bbox.shape[0], i, dtype=np.int32)
for i, bbox in enumerate(bbox_result)
]
labels = np.concatenate(labels)
assert bboxes.ndim == 2
assert labels.ndim == 1
assert bboxes.shape[0] == labels.shape[0]
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
bbox_color = color_val(bbox_color)
text_color = color_val(text_color)
test_bboxes = nms(bboxes, 0.5)
new_bboxes = [bboxes[i] for i in test_bboxes[1]]
new_labels = [labels[i] for i in test_bboxes[1]]
for bbox, label in zip(new_bboxes, new_labels):
bbox_int = bbox.astype(np.int32)
left_top = (bbox_int[0], bbox_int[1])
right_bottom = (bbox_int[2], bbox_int[3])
cv2.rectangle(
img, left_top, right_bottom, bbox_color, thickness=thickness)
label_text = class_names[
label] if class_names is not None else 'cls {}'.format(label)
if len(bbox) > 4:
label_text += '|{:.02f}'.format(bbox[-1])
img = write_text_to_image(img, label_text, (bbox_int[0], bbox_int[1] - 2), text_color)
if out_file is not None:
imwrite(img, out_file)
def imshow_det_bboxes(self,
img,
bboxes,
labels,
class_names=None,
score_thr=0,
bbox_color='green',
text_color='green',
thickness=2,
font_scale=2,
show=True,
win_name='',
wait_time=0,
out_file=None):
assert bboxes.ndim == 2
assert labels.ndim == 1
assert bboxes.shape[0] == labels.shape[0]
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5
img = mmcv.imread(img)
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
bbox_color = mmcv.color_val(bbox_color)
text_color = mmcv.color_val(text_color)
for bbox, label in zip(bboxes, labels):
bbox_int = bbox.astype(np.int32)
left_top = (bbox_int[0], bbox_int[1])
right_bottom = (bbox_int[2], bbox_int[3])
cv2.rectangle(img,
left_top,
right_bottom,
bbox_color,
thickness=thickness)
label_text = class_names[
label] if class_names is not None else 'cls {}'.format(label)
if len(bbox) > 4:
label_text += '|{:.02f}'.format(bbox[-1])
cv2.putText(img, label_text, (bbox_int[0], bbox_int[1] - 2),
cv2.FONT_HERSHEY_COMPLEX, font_scale, text_color,
thickness)
if show:
plt.figure(figsize=(20, 20))
#plt.axis('off')
plt.imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))
plt.show()
if out_file is not None:
mmcv.imwrite(img, out_file)
def show_pred_gt(preds,
gts,
show=False,
win_name='',
wait_time=0,
out_file=None):
"""Show detection and ground truth for one image.
Args:
preds (list[list[float]]): The detection boundary list.
gts (list[list[float]]): The ground truth boundary list.
show (bool): Whether to show the image.
win_name (str): The window name.
wait_time (int): The value of waitKey param.
out_file (str): The filename of the output.
"""
assert utils.is_2dlist(preds)
assert utils.is_2dlist(gts)
assert isinstance(show, bool)
assert isinstance(win_name, str)
assert isinstance(wait_time, int)
assert utils.is_none_or_type(out_file, str)
p_xy = [p for boundary in preds for p in boundary]
gt_xy = [g for gt in gts for g in gt]
max_xy = np.max(np.array(p_xy + gt_xy).reshape(-1, 2), axis=0)
width = int(max_xy[0]) + 100
height = int(max_xy[1]) + 100
img = np.ones((height, width, 3), np.int8) * 255
pred_color = mmcv.color_val('red')
gt_color = mmcv.color_val('blue')
thickness = 1
for boundary in preds:
cv2.polylines(
img, [np.array(boundary).astype(np.int32).reshape(-1, 1, 2)],
True,
color=pred_color,
thickness=thickness)
for gt in gts:
cv2.polylines(
img, [np.array(gt).astype(np.int32).reshape(-1, 1, 2)],
True,
color=gt_color,
thickness=thickness)
if show:
mmcv.imshow(img, win_name, wait_time)
if out_file is not None:
mmcv.imwrite(img, out_file)
return img
def get_img(self,imgs,fl_indexs):
"""流式处理图像
Example
:imgs = video[0:3]
:fl_indexs = [0,2]
:imgs = Process().get_img(imgs,fl_indexs)
Args:
imgs ([List]): 图像数组，
fl_indexs ([List]): 图像数组中每个图像对应视频中的第几帧
Returns:
[List]: 经过跟踪算法填充后的图像数组
"""
ffbbs,lfbbs = self._get_bboxs_from_imgs(imgs)
(fhat_bbox,fhat_bbox_pro),(fperson_bbox,fperson_bbox_pro) = ffbbs
(lhat_bbox,lhat_bbox_pro),(lperson_bbox,lperson_bbox_pro) = lfbbs
flhat_bboxs = [fhat_bbox,lhat_bbox]
flpsn_bboxs = [fperson_bbox,lperson_bbox]
# 通过第一帧探测到的bboxs和最后一帧探测到的bboxs，结合跟踪算法推断出中间帧数的bboxs信息
psn_bboxs_ids = track(flpsn_bboxs,self.psn_tracker)
hat_bboxs_ids = track(flhat_bboxs,self.hat_tracker)
# 跟踪推断中间的帧的bboxs
psn_bboxs_index,all_psn_bbox_ids = fill(psn_bboxs_ids,fl_indexs)
hat_bboxs_index,all_hat_bbox_ids = fill(hat_bboxs_ids,fl_indexs)
# 将探测到的目标数据传入打包为objects
psn_objects = [
(all_psn_bbox_ids[bindex],all_psn_bbox_ids[bindex],psn_bboxs_index[bindex])
for bindex in range(len(psn_bboxs_index)-1)]
hat_objects = [
(all_hat_bbox_ids[bindex],all_hat_bbox_ids[bindex],hat_bboxs_index[bindex])
for bindex in range(len(hat_bboxs_index)-1)]
# 绘制目标探测图像
origin_frames = draw_label1(
imgs,
all_psn_bbox_ids,
lperson_bbox_pro,
"no wear helmet",
color_val(self.person_color),
color_val(self.person_color))
origin_frames = draw_label1(
imgs,
all_hat_bbox_ids,
lhat_bbox_pro,
'wear helmet',
color_val(self.hat_color),
color_val(self.hat_color))
return origin_frames,psn_objects,hat_objects
def get_palette(palette, num_classes=None):
"""Get palette from various inputs.
Args:
palette (list[tuple]/str/tuple/:obj:`Color`): palette inputs
Returns:
list[tuple[int]]: A list of color tuples.
"""
if isinstance(palette, list):
return palette
elif isinstance(palette, tuple):
assert isinstance(num_classes, int)
return [palette] * num_classes
elif palette == 'coco':
return mmdet.datasets.CocoDataset.PALETTE
elif palette == 'voc':
return mmdet.datasets.VOCDataset.PALETTE
elif palette == 'citys':
return mmdet.datasets.CityscapesDataset.PALETTE
elif palette == 'random' or palette is None:
assert isinstance(num_classes, int)
state = np.random.get_state()
# random color
np.random.seed(42)
palette = np.random.randint(0, 256, size=(num_classes, 3))
np.random.set_state(state)
return [tuple(c) for c in palette]
elif mmcv.is_str(palette):
assert isinstance(num_classes, int)
return [mmcv.color_val(palette)[::-1]] * num_classes
else:
raise TypeError(f'Invalid type for palette: {type(palette)}')
def show_result(self,
img,
result,
text_color='green',
font_scale=0.5,
row_width=20,
show=False,
win_name='',
wait_time=0,
out_file=None):
"""Draw `result` over `img`.
Args:
img (str or Tensor): The image to be displayed.
result (Tensor): The classification results to draw over `img`.
text_color (str or tuple or :obj:`Color`): Color of texts.
font_scale (float): Font scales of texts.
row_width (int): width between each row of results on the image.
show (bool): Whether to show the image.
Default: False.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
Default: 0.
out_file (str or None): The filename to write the image.
Default: None.
Returns:
img (Tensor): Only if not `show` or `out_file`
"""
img = mmcv.imread(img)
img = img.copy()
# write results on left-top of the image
x, y = 0, row_width
text_color = color_val(text_color)
for k, v in result.items():
if isinstance(v, float):
v = f'{v:.2f}'
label_text = f'{k}: {v}'
cv2.putText(img, label_text, (x, y), cv2.FONT_HERSHEY_COMPLEX,
font_scale, text_color)
y += row_width
# if out_file specified, do not show image in window
if out_file is not None:
show = False
if show:
mmcv.imshow(img, win_name, wait_time)
if out_file is not None:
mmcv.imwrite(img, out_file)
if not (show or out_file):
warnings.warn('show==False and out_file is not specified, only '
'result image will be returned')
return img
def vis_image_mask_cv2(img, mask, color=None):
# import pycocotools.mask as cocomask
if color is None:
color_mask = np.random.randint(0, 256, (1, 3), dtype=np.uint8)
else:
color_mask = np.array(color_val(color), dtype=np.uint8)
# print(color_mask, type(color_mask))
mask = mask.astype(np.bool)
img_show = img.copy()
img_show[mask] = img_show[mask] * 0.5 + color_mask * 0.5
return img_show
def color_val_matplotlib(color):
"""Convert various input in BGR order to normalized RGB matplotlib color
tuples,
Args:
color (:obj:`Color`/str/tuple/int/ndarray): Color inputs
Returns:
tuple[float]: A tuple of 3 normalized floats indicating RGB channels.
"""
color = mmcv.color_val(color)
color = [color / 255 for color in color[::-1]]
return tuple(color)
def vis_image_bboxes_cv2(
img,
bboxes,
labels=None,
font_scale=0.5,
text_color="green",
font_thickness=2,
box_thickness=2,
box_color=_GREEN,
draw_center=False,
):
"""
bboxes: xyxy
"""
if isinstance(bboxes, list):
bboxes = np.array(bboxes)
text_color = color_val(text_color)
box_color = tuple(int(_c) for _c in color_val(box_color))
img_show = img.copy()
for i, bbox in enumerate(bboxes):
bbox = bbox.astype(np.int32)
x1, y1, x2, y2 = bbox[:4]
cv2.rectangle(img_show, (x1, y1), (x2, y2),
box_color,
thickness=box_thickness)
if draw_center:
center = (int((x1 + x2) / 2), int((y1 + y2) / 2))
img_show = cv2.circle(img_show,
center,
radius=box_thickness,
color=box_color,
thickness=-1)
if labels is not None:
label_text = labels[i]
cv2.putText(img_show, label_text, (x1, y1 - 2),
cv2.FONT_HERSHEY_SIMPLEX, font_scale, text_color,
font_thickness)
return img_show
def vis_bbox_opencv(img, bbox, thick=1, fmt='xywh', bbox_color='green'):
"""Visualizes a bounding box."""
bbox = np.array(bbox + 0.5).astype(np.int)
if fmt == 'xywh':
(x1, y1, w, h) = bbox
x1, y1 = int(x1), int(y1)
x2, y2 = int(x1 + w - 1), int(y1 + h - 1)
else:
x1, y1, x2, y2 = bbox
_img = img.copy()
bbox_color = color_val(bbox_color)
cv2.rectangle(_img, (x1, y1), (x2, y2), bbox_color, thickness=thick)
return _img
def imshow_bboxes(img,
bboxes,
colors="green",
top_k=-1,
thickness=1,
show=True,
win_name="",
wait_time=0,
out_file=None):
"""Draw bboxes on an image.
Args:
img (str or ndarray): The image to be displayed.
bboxes (list or ndarray): A list of ndarray of shape (k, 4).
colors (list[str or tuple or Color]): A list of colors.
top_k (int): Plot the first k bboxes only if set positive.
thickness (int): Thickness of lines.
show (bool): Whether to show the image.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
out_file (str, optional): The filename to write the image.
"""
img = imread(img)
if isinstance(bboxes, np.ndarray):
bboxes = [bboxes]
if not isinstance(colors, list):
colors = [colors for _ in range(len(bboxes))]
colors = [color_val(c) for c in colors]
assert len(bboxes) == len(colors)
for i, _bboxes in enumerate(bboxes):
_bboxes = _bboxes.astype(np.int32)
if top_k <= 0:
_top_k = _bboxes.shape[0]
else:
_top_k = min(top_k, _bboxes.shape[0])
for j in range(_top_k):
left_top = (_bboxes[j, 0], _bboxes[j, 1])
right_bottom = (_bboxes[j, 2], _bboxes[j, 3])
cv2.rectangle(img,
left_top,
right_bottom,
colors[i],
thickness=thickness)
if show:
imshow(img, win_name, wait_time)
if out_file is not None:
imwrite(img, out_file)
def get_palette(palette, num_classes):
"""Get palette from various inputs.
Args:
palette (list[tuple] | str | tuple | :obj:`Color`): palette inputs.
num_classes (int): the number of classes.
Returns:
list[tuple[int]]: A list of color tuples.
"""
assert isinstance(num_classes, int)
if isinstance(palette, list):
dataset_palette = palette
elif isinstance(palette, tuple):
dataset_palette = [palette] * num_classes
elif palette == 'random' or palette is None:
state = np.random.get_state()
# random color
np.random.seed(42)
palette = np.random.randint(0, 256, size=(num_classes, 3))
np.random.set_state(state)
dataset_palette = [tuple(c) for c in palette]
elif palette == 'coco':
from mmdet.datasets import CocoDataset, CocoPanopticDataset
dataset_palette = CocoDataset.PALETTE
if len(dataset_palette) < num_classes:
dataset_palette = CocoPanopticDataset.PALETTE
elif palette == 'citys':
from mmdet.datasets import CityscapesDataset
dataset_palette = CityscapesDataset.PALETTE
elif palette == 'voc':
from mmdet.datasets import VOCDataset
dataset_palette = VOCDataset.PALETTE
elif palette == 'wod':
from mmdet.datasets import WaymoOpenDataset
dataset_palette = WaymoOpenDataset.PALETTE
elif mmcv.is_str(palette):
dataset_palette = [mmcv.color_val(palette)[::-1]] * num_classes
else:
raise TypeError(f'Invalid type for palette: {type(palette)}')
assert len(dataset_palette) >= num_classes, \
'The length of palette should not be less than `num_classes`.'
return dataset_palette
def vis_image_bboxes_cv2(img, bboxes, labels=None,
font_scale=0.5, text_color="green", font_thickness=2, box_thickness=2):
'''
bboxes: xyxy
'''
if isinstance(bboxes, list):
bboxes = np.array(bboxes)
text_color = color_val(text_color)
img_show = img.copy()
for i, bbox in enumerate(bboxes):
bbox = bbox.astype(np.int32)
x1, y1, x2, y2 = bbox[:4]
cv2.rectangle(img_show, (x1, y1), (x2, y2), _GREEN, thickness=box_thickness)
if labels is not None:
label_text = labels[i]
cv2.putText(img_show, label_text, (x1, y1-2), cv2.FONT_HERSHEY_SIMPLEX,
font_scale, text_color, font_thickness)
return img_show
def vis_image_mask_plt(im, mask, dpi=200, color=None, outfile=None, show=True):
if color is None:
color_list = colormap(rgb=True) / 255
mask_color_id = 0
color_mask = color_list[mask_color_id % len(color_list), 0:3]
else:
color_mask = color_val(color)
# cmap = plt.get_cmap('rainbow')
fig = plt.figure(frameon=False)
fig.set_size_inches(im.shape[1] / dpi, im.shape[0] / dpi)
ax = plt.Axes(fig, [0.0, 0.0, 1.0, 1.0])
ax.axis("off")
fig.add_axes(ax)
ax.imshow(im[:, :, [2, 1, 0]])
# show mask
img = np.ones(im.shape)
w_ratio = 0.4
for c in range(3):
color_mask[c] = color_mask[c] * (1 - w_ratio) + w_ratio
for c in range(3):
img[:, :, c] = color_mask[c]
e = mask
_, contour, hier = cv2.findContours(e.copy(), cv2.RETR_CCOMP,
cv2.CHAIN_APPROX_NONE)
for c in contour:
polygon = Polygon(c.reshape((-1, 2)),
fill=True,
facecolor=color_mask,
edgecolor="w",
linewidth=1.2,
alpha=0.5)
ax.add_patch(polygon)
if outfile is not None:
mkdir_p(os.path.dirname(outfile))
fig.savefig(outfile, dpi=dpi)
plt.close("all")
if show:
plt.show()
def vis_image_mask_bbox_cv2(img,
masks,
bboxes=None,
labels=None,
font_scale=0.5,
text_color="green",
font_thickness=2,
box_thickness=1):
"""
bboxes: xyxy
"""
# import pycocotools.mask as cocomask
text_color = color_val(text_color)
img_show = img.copy()
for i, mask in enumerate(masks):
color_mask = np.random.randint(0, 256, (1, 3), dtype=np.uint8)
mask = mask.astype(np.bool)
img_show[mask] = img_show[mask] * 0.5 + color_mask * 0.5
if bboxes is None:
x1, y1, x2, y2 = mask2bbox_xyxy(mask)
else:
bbox = bboxes[i].astype(np.int32)
x1, y1, x2, y2 = bbox[:4]
cv2.rectangle(img_show, (x1, y1), (x2, y2),
_GREEN,
thickness=box_thickness)
if labels is not None:
label_text = labels[i]
cv2.putText(
img_show,
label_text,
(x1, max(y1 - 2, 5)),
cv2.FONT_HERSHEY_SIMPLEX,
font_scale,
text_color,
font_thickness,
)
return img_show
def imshow_text_char_boundary(img,
text_quads,
boundaries,
char_quads,
chars,
show=False,
thickness=1,
font_scale=0.5,
win_name='',
wait_time=-1,
out_file=None):
"""Draw text boxes and char boxes on img.
Args:
img (str or ndarray): The img to be displayed.
text_quads (list[list[int|float]]): The text boxes.
boundaries (list[list[int|float]]): The boundary list.
char_quads (list[list[list[int|float]]]): A 2d list of char boxes.
char_quads[i] is for the ith text, and char_quads[i][j] is the jth
char of the ith text.
chars (list[list[char]]). The string for each text box.
thickness (int): Thickness of lines.
font_scale (float): Font scales of texts.
show (bool): Whether to show the image.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
out_file (str or None): The filename of the output.
"""
assert isinstance(img, (np.ndarray, str))
assert utils.is_2dlist(text_quads)
assert utils.is_2dlist(boundaries)
assert utils.is_3dlist(char_quads)
assert utils.is_2dlist(chars)
assert utils.equal_len(text_quads, char_quads, boundaries)
img = mmcv.imread(img)
char_color = [mmcv.color_val('blue'), mmcv.color_val('green')]
text_color = mmcv.color_val('red')
text_inx = 0
for text_box, boundary, char_box, txt in zip(text_quads, boundaries,
char_quads, chars):
text_box = np.array(text_box)
boundary = np.array(boundary)
text_box = text_box.reshape(-1, 2).astype(np.int32)
cv2.polylines(img, [text_box.reshape(-1, 1, 2)],
True,
color=text_color,
thickness=thickness)
if boundary.shape[0] > 0:
cv2.polylines(img, [boundary.reshape(-1, 1, 2)],
True,
color=text_color,
thickness=thickness)
for b in char_box:
b = np.array(b)
c = char_color[text_inx % 2]
b = b.astype(np.int32)
cv2.polylines(img, [b.reshape(-1, 1, 2)],
True,
color=c,
thickness=thickness)
label_text = ''.join(txt)
cv2.putText(img, label_text, (text_box[0, 0], text_box[0, 1] - 2),
cv2.FONT_HERSHEY_COMPLEX, font_scale, text_color)
text_inx = text_inx + 1
if show:
mmcv.imshow(img, win_name, wait_time)
if out_file is not None:
mmcv.imwrite(img, out_file)
return img
def imshow_pred_boundary(img,
boundaries_with_scores,
labels,
score_thr=0,
boundary_color='blue',
text_color='blue',
thickness=1,
font_scale=0.5,
show=True,
win_name='',
wait_time=0,
out_file=None,
show_score=False):
"""Draw boundaries and class labels (with scores) on an image.
Args:
img (str or ndarray): The image to be displayed.
boundaries_with_scores (list[list[float]]): Boundaries with scores.
labels (list[int]): Labels of boundaries.
score_thr (float): Minimum score of boundaries to be shown.
boundary_color (str or tuple or :obj:`Color`): Color of boundaries.
text_color (str or tuple or :obj:`Color`): Color of texts.
thickness (int): Thickness of lines.
font_scale (float): Font scales of texts.
show (bool): Whether to show the image.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
out_file (str or None): The filename of the output.
show_score (bool): Whether to show text instance score.
"""
assert isinstance(img, (str, np.ndarray))
assert utils.is_2dlist(boundaries_with_scores)
assert utils.is_type_list(labels, int)
assert utils.equal_len(boundaries_with_scores, labels)
if len(boundaries_with_scores) == 0:
warnings.warn('0 text found in ' + out_file)
return
utils.valid_boundary(boundaries_with_scores[0])
img = mmcv.imread(img)
scores = np.array([b[-1] for b in boundaries_with_scores])
inds = scores > score_thr
boundaries = [boundaries_with_scores[i][:-1] for i in np.where(inds)[0]]
scores = [scores[i] for i in np.where(inds)[0]]
labels = [labels[i] for i in np.where(inds)[0]]
boundary_color = mmcv.color_val(boundary_color)
text_color = mmcv.color_val(text_color)
font_scale = 0.5
for boundary, score, label in zip(boundaries, scores, labels):
boundary_int = np.array(boundary).astype(np.int32)
cv2.polylines(img, [boundary_int.reshape(-1, 1, 2)],
True,
color=boundary_color,
thickness=thickness)
if show_score:
label_text = f'{score:.02f}'
cv2.putText(img, label_text,
(boundary_int[0], boundary_int[1] - 2),
cv2.FONT_HERSHEY_COMPLEX, font_scale, text_color)
if show:
mmcv.imshow(img, win_name, wait_time)
if out_file is not None:
mmcv.imwrite(img, out_file)
return img
def show_result_in_Chinese(img,
resultrg,
resultab,
rg_class_names,
ab_class_names,
score_thr=0.3,
out_file=None,
thickness=1,
bbox_color='green',
text_color='green'):
assert isinstance(rg_class_names, (tuple, list))
assert isinstance(ab_class_names, (tuple, list))
img = mmcv.imread(img)
if isinstance(resultrg, tuple):
rg_bbox_result, segm_result = resultrg
else:
rg_bbox_result, segm_result = resultrg, None
if isinstance(resultab, tuple):
ab_bbox_result, segm_result = resultab
else:
ab_bbox_result, segm_result = resultab, None
print(rg_bbox_result)
print(ab_bbox_result)
# bbox_result = np.vstack(ab_bbox_result)
bboxes_rg = np.vstack(rg_bbox_result)
bboxes_ab = np.vstack(ab_bbox_result)
# draw segmentation masks
# if segm_result is not None:
# segms = mmcv.concat_list(segm_result)
# inds = np.where(bboxes[:, -1] > score_thr)[0]
# for i in inds:
# color_mask = np.random.randint(0, 256, (1, 3), dtype=np.uint8)
# mask = maskUtils.decode(segms[i]).astype(np.bool)
# img[mask] = img[mask] * 0.5 + color_mask * 0.5
# draw bounding boxes
labels_rg = [
np.full(bbox.shape[0], rg_class_names[i])
for i, bbox in enumerate(rg_bbox_result)
]
labels_rg = np.concatenate(labels_rg)
labels_ab = [
np.full(bbox.shape[0], ab_class_names[i])
for i, bbox in enumerate(ab_bbox_result)
]
labels_ab = np.concatenate(labels_ab)
assert bboxes_rg.ndim == 2
assert labels_rg.ndim == 1
assert bboxes_rg.shape[0] == labels_rg.shape[0]
assert bboxes_rg.shape[1] == 4 or bboxes_rg.shape[1] == 5
assert bboxes_ab.ndim == 2
assert labels_ab.ndim == 1
assert bboxes_ab.shape[0] == labels_ab.shape[0]
assert bboxes_ab.shape[1] == 4 or bboxes_ab.shape[1] == 5
bboxes = np.vstack((rg_bbox_result + ab_bbox_result))
labels = np.hstack((labels_rg, labels_ab))
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
bbox_color = color_val(bbox_color)
text_color = color_val(text_color)
test_bboxes = py_cpu_nms(bboxes, labels, 0.5)
new_bboxes = [bboxes[i] for i in test_bboxes]
new_labels = [labels[i] for i in test_bboxes]
# test_bboxes = nms(bboxes, 0.5)
# new_bboxes = [bboxes[i] for i in test_bboxes[1]]
# new_labels = [labels[i] for i in test_bboxes[1]]
for bbox, label in zip(new_bboxes, new_labels):
bbox_int = bbox.astype(np.int32)
left_top = (bbox_int[0], bbox_int[1])
right_bottom = (bbox_int[2], bbox_int[3])
cv2.rectangle(img,
left_top,
right_bottom,
bbox_color,
thickness=thickness)
label_text = label
if len(bbox) > 4:
label_text += '|{:.02f}'.format(bbox[-1])
img = write_text_to_image(img, label_text,
(bbox_int[0], bbox_int[1] - 2), text_color)
if out_file is not None:
imwrite(img, out_file)
def imshow_det_bboxes(img,
bboxes,
labels,
segms=None,
class_names=None,
score_thr=0,
bbox_color='green',
text_color='green',
mask_color=None,
thickness=2,
font_size=13,
win_name='',
show=True,
wait_time=0,
out_file=None,
visual_label_threshold=-1,
visual_label_offset=0):
"""Draw bboxes and class labels (with scores) on an image.
Args:
img (str or ndarray): The image to be displayed.
bboxes (ndarray): Bounding boxes (with scores), shaped (n, 4) or
(n, 5).
labels (ndarray): Labels of bboxes.
segms (ndarray or None): Masks, shaped (n,h,w) or None
class_names (list[str]): Names of each classes.
score_thr (float): Minimum score of bboxes to be shown. Default: 0
bbox_color (str or tuple(int) or :obj:`Color`):Color of bbox lines.
The tuple of color should be in BGR order. Default: 'green'
text_color (str or tuple(int) or :obj:`Color`):Color of texts.
The tuple of color should be in BGR order. Default: 'green'
mask_color (str or tuple(int) or :obj:`Color`, optional):
Color of masks. The tuple of color should be in BGR order.
Default: None
thickness (int): Thickness of lines. Default: 2
font_size (int): Font size of texts. Default: 13
show (bool): Whether to show the image. Default: True
win_name (str): The window name. Default: ''
wait_time (float): Value of waitKey param. Default: 0.
out_file (str, optional): The filename to write the image.
Default: None
visual_label_threshold(int, optional): Bbox showed label limit.
visual_label_offset(int, optional): Bbox showed label offset.
Returns:
ndarray: The image with bboxes drawn on it.
"""
assert bboxes.ndim == 2, \
f' bboxes ndim should be 2, but its ndim is {bboxes.ndim}.'
assert labels.ndim == 1, \
f' labels ndim should be 1, but its ndim is {labels.ndim}.'
assert bboxes.shape[0] == labels.shape[0], \
'bboxes.shape[0] and labels.shape[0] should have the same length.'
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5, \
f' bboxes.shape[1] should be 4 or 5, but its {bboxes.shape[1]}.'
img = mmcv.imread(img).astype(np.uint8)
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
if segms is not None:
segms = segms[inds, ...]
mask_colors = []
if labels.shape[0] > 0:
if mask_color is None:
# random color
np.random.seed(42)
mask_colors = [
np.random.randint(0, 256, (1, 3), dtype=np.uint8)
for _ in range(max(labels) + 1)
]
else:
# specify color
mask_colors = [
np.array(mmcv.color_val(mask_color)[::-1], dtype=np.uint8)
] * (max(labels) + 1)
bbox_color = color_val_matplotlib(bbox_color)
text_color = color_val_matplotlib(text_color)
img = mmcv.bgr2rgb(img)
width, height = img.shape[1], img.shape[0]
img = np.ascontiguousarray(img)
fig = plt.figure(win_name, frameon=False)
plt.title(win_name)
canvas = fig.canvas
dpi = fig.get_dpi()
# add a small EPS to avoid precision lost due to matplotlib's truncation
# (https://github.com/matplotlib/matplotlib/issues/15363)
fig.set_size_inches((width + EPS) / dpi, (height + EPS) / dpi)
# remove white edges by set subplot margin
plt.subplots_adjust(left=0, right=1, bottom=0, top=1)
ax = plt.gca()
ax.axis('off')
polygons = []
color = []
for i, (bbox, label) in enumerate(zip(bboxes, labels)):
if visual_label_threshold < 0 or visual_label_offset <= label <= visual_label_threshold:
bbox_int = bbox.astype(np.int32)
poly = [[bbox_int[0], bbox_int[1]], [bbox_int[0], bbox_int[3]],
[bbox_int[2], bbox_int[3]], [bbox_int[2], bbox_int[1]]]
np_poly = np.array(poly).reshape((4, 2))
polygons.append(Polygon(np_poly))
color.append(bbox_color)
label_text = class_names[
label] if class_names is not None else f'class {label}'
if len(bbox) > 4:
label_text += f'|{bbox[-1]:.02f}'
ax.text(bbox_int[0],
bbox_int[1],
f'{label_text}',
bbox={
'facecolor': 'black',
'alpha': 0.8,
'pad': 0.7,
'edgecolor': 'none'
},
color=text_color,
fontsize=font_size,
verticalalignment='top',
horizontalalignment='left')
if segms is not None:
color_mask = mask_colors[labels[i]]
mask = segms[i].astype(bool)
img[mask] = img[mask] * 0.5 + color_mask * 0.5
plt.imshow(img)
p = PatchCollection(polygons,
facecolor='none',
edgecolors=color,
linewidths=thickness)
ax.add_collection(p)
stream, _ = canvas.print_to_buffer()
buffer = np.frombuffer(stream, dtype='uint8')
img_rgba = buffer.reshape(height, width, 4)
rgb, alpha = np.split(img_rgba, [3], axis=2)
img = rgb.astype('uint8')
img = mmcv.rgb2bgr(img)
if show:
# We do not use cv2 for display because in some cases, opencv will
# conflict with Qt, it will output a warning: Current thread
# is not the object's thread. You can refer to
# https://github.com/opencv/opencv-python/issues/46 for details
if wait_time == 0:
plt.show()
else:
plt.show(block=False)
plt.pause(wait_time)
if out_file is not None:
mmcv.imwrite(img, out_file)
plt.close()
return img
def imshow_det_bboxes(img,
bboxes,
labels,
segms=None,
class_names=None,
score_thr=0,
bbox_color='green',
text_color='green',
mask_color=None,
#thickness=2,
thickness=0, # clw modify
font_scale=0.5,
#font_size=13,
font_size=6,
win_name='',
#fig_size=(15, 10),
fig_size=(3, 2),
show=True,
wait_time=0,
out_file=None):
"""Draw bboxes and class labels (with scores) on an image.
Args:
img (str or ndarray): The image to be displayed.
bboxes (ndarray): Bounding boxes (with scores), shaped (n, 4) or
(n, 5).
labels (ndarray): Labels of bboxes.
segms (ndarray or None): Masks, shaped (n,h,w) or None
class_names (list[str]): Names of each classes.
score_thr (float): Minimum score of bboxes to be shown. Default: 0
bbox_color (str or tuple(int) or :obj:`Color`):Color of bbox lines.
The tuple of color should be in BGR order. Default: 'green'
text_color (str or tuple(int) or :obj:`Color`):Color of texts.
The tuple of color should be in BGR order. Default: 'green'
mask_color (None or str or tuple(int) or :obj:`Color`):
Color of masks. The tuple of color should be in BGR order.
Default: None
thickness (int): Thickness of lines. Default: 2
font_scale (float): Font scales of texts. Default: 0.5
font_size (int): Font size of texts. Default: 13
show (bool): Whether to show the image. Default: True
win_name (str): The window name. Default: ''
fig_size (tuple): Figure size of the pyplot figure. Default: (15, 10)
wait_time (float): Value of waitKey param. Default: 0.
out_file (str or None): The filename to write the image. Default: None
Returns:
ndarray: The image with bboxes drawn on it.
"""
warnings.warn('"font_scale" will be deprecated in v2.9.0,'
'Please use "font_size"')
assert bboxes.ndim == 2, \
f' bboxes ndim should be 2, but its ndim is {bboxes.ndim}.'
assert labels.ndim == 1, \
f' labels ndim should be 1, but its ndim is {labels.ndim}.'
assert bboxes.shape[0] == labels.shape[0], \
'bboxes.shape[0] and labels.shape[0] should have the same length.'
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5,\
f' bboxes.shape[1] should be 4 or 5, but its {bboxes.shape[1]}.'
img = mmcv.imread(img).copy()
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
if segms is not None:
segms = segms[inds, ...]
mask_colors = []
if labels.shape[0] > 0:
if mask_color is None:
# random color
np.random.seed(42)
mask_colors = [
np.random.randint(0, 256, (1, 3), dtype=np.uint8)
for _ in range(max(labels) + 1)
]
else:
# specify color
mask_colors = [
np.array(mmcv.color_val(mask_color)[::-1], dtype=np.uint8)
] * (
max(labels) + 1)
bbox_color = color_val_matplotlib(bbox_color)
text_color = color_val_matplotlib(text_color)
img = mmcv.bgr2rgb(img)
img = np.ascontiguousarray(img)
plt.figure(win_name, figsize=fig_size)
plt.title(win_name)
plt.axis('off')
ax = plt.gca()
polygons = []
color = []
for i, (bbox, label) in enumerate(zip(bboxes, labels)):
bbox_int = bbox.astype(np.int32)
poly = [[bbox_int[0], bbox_int[1]], [bbox_int[0], bbox_int[3]],
[bbox_int[2], bbox_int[3]], [bbox_int[2], bbox_int[1]]]
np_poly = np.array(poly).reshape((4, 2))
polygons.append(Polygon(np_poly))
color.append(bbox_color)
label_text = class_names[
label] if class_names is not None else f'class {label}'
if len(bbox) > 4:
label_text += f'|{bbox[-1]:.02f}'
ax.text(
bbox_int[0],
bbox_int[1],
f'{label_text}',
bbox={
'facecolor': 'black',
#'alpha': 0.8,
'alpha': 0, # clw modify
#'pad': 0.7,
'pad': 0, # clw modify
'edgecolor': 'none'
},
color=text_color,
fontsize=font_size,
verticalalignment='top',
horizontalalignment='left')
if segms is not None:
color_mask = mask_colors[labels[i]]
mask = segms[i].astype(bool)
img[mask] = img[mask] * 0.5 + color_mask * 0.5
plt.imshow(img)
p = PatchCollection(
polygons, facecolor='none', edgecolors=color, linewidths=thickness)
ax.add_collection(p)
if out_file is not None:
dir_name = osp.abspath(osp.dirname(out_file))
mmcv.mkdir_or_exist(dir_name)
plt.savefig(out_file)
#plt.savefig(out_file, dpi=600) # clw modify: too slow
if not show:
plt.close()
if show:
if wait_time == 0:
plt.show()
else:
plt.show(block=False)
plt.pause(wait_time)
plt.close()
return mmcv.rgb2bgr(img)
def test_color():
assert mmcv.color_val(mmcv.Color.blue) == (255, 0, 0)
assert mmcv.color_val('green') == (0, 255, 0)
assert mmcv.color_val((1, 2, 3)) == (1, 2, 3)
assert mmcv.color_val(100) == (100, 100, 100)
assert mmcv.color_val(np.zeros(3, dtype=np.int)) == (0, 0, 0)
with pytest.raises(TypeError):
mmcv.color_val([255, 255, 255])
with pytest.raises(TypeError):
mmcv.color_val(1.0)
with pytest.raises(AssertionError):
mmcv.color_val((0, 0, 500))
def imshow_det_bboxes(img,
bboxes,
labels,
class_names=None,
score_thr=0,
bbox_color='green',
text_color='green',
thickness=2,
font_scale=2,
show=True,
win_name='',
wait_time=0,
out_file=None):
"""Draw bboxes and class labels (with scores) on an image.
Args:
img (str or ndarray): The image to be displayed.
bboxes (ndarray): Bounding boxes (with scores), shaped (n, 4) or
(n, 5).
labels (ndarray): Labels of bboxes.
class_names (list[str]): Names of each classes.
score_thr (float): Minimum score of bboxes to be shown.
bbox_color (str or tuple or :obj:`Color`): Color of bbox lines.
text_color (str or tuple or :obj:`Color`): Color of texts.
thickness (int): Thickness of lines.
font_scale (float): Font scales of texts.
show (bool): Whether to show the image.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
out_file (str or None): The filename to write the image.
"""
assert bboxes.ndim == 2
assert labels.ndim == 1
assert bboxes.shape[0] == labels.shape[0]
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5
img = mmcv.imread(img)
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
bbox_color = mmcv.color_val(bbox_color)
text_color = mmcv.color_val(text_color)
for bbox, label in zip(bboxes, labels):
bbox_int = bbox.astype(np.int32)
left_top = (bbox_int[0], bbox_int[1])
right_bottom = (bbox_int[2], bbox_int[3])
cv2.rectangle(img,
left_top,
right_bottom,
bbox_color,
thickness=thickness)
label_text = class_names[
label] if class_names is not None else 'cls {}'.format(label)
if len(bbox) > 4:
label_text += '|{:.02f}'.format(bbox[-1])
cv2.putText(img, label_text, (bbox_int[0], bbox_int[1] - 2),
cv2.FONT_HERSHEY_COMPLEX, font_scale, text_color,
thickness)
if show:
plt.figure(figsize=(20, 20))
plt.axis('off')
plt.imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))
plt.show()
if out_file is not None:
imwrite(img, out_file)
def imshow_bboxes(img,
bboxes,
labels=None,
colors='green',
text_color='white',
thickness=1,
font_scale=0.5,
show=True,
win_name='',
wait_time=0,
out_file=None):
"""Draw bboxes with labels (optional) on an image. This is a wrapper of
mmcv.imshow_bboxes.
Args:
img (str or ndarray): The image to be displayed.
bboxes (ndarray): ndarray of shape (k, 4), each row is a bbox in
format [x1, y1, x2, y2].
labels (str or list[str], optional): labels of each bbox.
colors (list[str or tuple or :obj:`Color`]): A list of colors.
text_color (str or tuple or :obj:`Color`): Color of texts.
thickness (int): Thickness of lines.
font_scale (float): Font scales of texts.
show (bool): Whether to show the image.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
out_file (str, optional): The filename to write the image.
Returns:
ndarray: The image with bboxes drawn on it.
"""
# adapt to mmcv.imshow_bboxes input format
bboxes = np.split(bboxes, bboxes.shape[0],
axis=0) if bboxes.shape[0] > 0 else []
if not isinstance(colors, list):
colors = [colors for _ in range(len(bboxes))]
colors = [mmcv.color_val(c) for c in colors]
assert len(bboxes) == len(colors)
img = mmcv.imshow_bboxes(img,
bboxes,
colors,
top_k=-1,
thickness=thickness,
show=False,
out_file=None)
if labels is not None:
if not isinstance(labels, list):
labels = [labels for _ in range(len(bboxes))]
assert len(labels) == len(bboxes)
for bbox, label, color in zip(bboxes, labels, colors):
bbox_int = bbox[0, :4].astype(np.int32)
# roughly estimate the proper font size
text_size, text_baseline = cv2.getTextSize(label,
cv2.FONT_HERSHEY_DUPLEX,
font_scale, thickness)
text_x1 = bbox_int[0]
text_y1 = max(0, bbox_int[1] - text_size[1] - text_baseline)
text_x2 = bbox_int[0] + text_size[0]
text_y2 = text_y1 + text_size[1] + text_baseline
cv2.rectangle(img, (text_x1, text_y1), (text_x2, text_y2), color,
cv2.FILLED)
cv2.putText(img, label, (text_x1, text_y2 - text_baseline),
cv2.FONT_HERSHEY_DUPLEX, font_scale,
mmcv.color_val(text_color), thickness)
if show:
mmcv.imshow(img, win_name, wait_time)
if out_file is not None:
mmcv.imwrite(img, out_file)
return img
def imshow_det_bboxes_poses(
img,
bboxes,
labels,
class_names=None,
score_thr=0,
bbox_color="green",
text_color="green",
thickness=1,
font_scale=0.5,
show=True,
win_name="",
wait_time=0,
out_file=None,
poses=None,
corners_3d=None,
dataste_name=None,
renderer=None,
K=None,
vis_tool="matplotlib",
):
"""Draw bboxes and class labels (with scores) on an image. Render the
contours of poses to image. (or the 3d bounding box)
Args:
img (str or ndarray): The image to be displayed.
bboxes (ndarray): Bounding boxes (with scores), shaped (n, 4) or
(n, 5).
labels (ndarray): Labels of bboxes. 0-based
class_names (list[str]): Names of each classes.
score_thr (float): Minimum score of bboxes to be shown.
bbox_color (str or tuple or :obj:`Color`): Color of bbox lines.
text_color (str or tuple or :obj:`Color`): Color of texts.
thickness (int): Thickness of lines.
font_scale (float): Font scales of texts.
show (bool): Whether to show the image.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
out_file (str or None): The filename to write the image.
------
poses:
corners_3d: dict of 3d corners(un-transformed), key is cls_name
dataset_name: camera intrinsic parameter
renderer:
K: camera intrinsic
"""
# logger.info('poses: {}'.format(poses))
assert bboxes.ndim == 2
assert labels.ndim == 1
assert bboxes.shape[0] == labels.shape[0]
assert bboxes.shape[1] == 4 or bboxes.shape[1] == 5
img = imread(img)
if score_thr > 0:
assert bboxes.shape[1] == 5
scores = bboxes[:, -1]
inds = scores > score_thr
bboxes = bboxes[inds, :]
labels = labels[inds]
bbox_color = color_val(bbox_color)
text_color = color_val(text_color)
for bbox, label in zip(bboxes, labels):
# pose
if poses is not None:
if poses[label]:
pose = poses[label][0] # TODO: handle multiple poses
bgr, depth = renderer.render(label, pose[:, :3], pose[:, 3], r_type="mat")
# img = img - bgr
pose_mask = np.zeros(depth.shape)
pose_mask[depth != 0] = 1
edges_3 = mask_utils.get_edge(pose_mask, bw=3)
edges_3[:, :, [0, 1]] = 0 # red
img[edges_3 != 0] = 255
cls_name = class_names[label]
corners_2d, _ = misc_6d.points_to_2D(corners_3d[cls_name], pose[:, :3], pose[:, 3], K)
img = misc_6d.draw_projected_box3d(img, corners_2d, thickness=thickness)
bbox_int = bbox.astype(np.int32)
left_top = (bbox_int[0], bbox_int[1])
right_bottom = (bbox_int[2], bbox_int[3])
cv2.rectangle(img, left_top, right_bottom, bbox_color, thickness=thickness)
label_text = class_names[label] if class_names is not None else "cls {}".format(label)
if len(bbox) > 4:
label_text += "|{:.02f}".format(bbox[-1])
cv2.putText(img, label_text, (bbox_int[0], bbox_int[1] - 2), cv2.FONT_HERSHEY_COMPLEX, font_scale, text_color)
if show:
if vis_tool == "matplotlib":
fig = plt.figure(frameon=False, figsize=(8, 6), dpi=100)
tmp = fig.add_subplot(1, 1, 1)
tmp.set_title("{}".format(win_name))
plt.axis("off")
plt.imshow(img[:, :, [2, 1, 0]])
plt.show()
else: # use 'mmcv'
imshow(img, win_name, wait_time)
if out_file is not None:
imwrite(img, out_file)
return img
