def task1_2(paths, ap=0.5):
gt = read_annotations(paths['gt'], grouped=True, use_parked=True)
det = read_detections(paths['det'])
rec, prec, ap = voc_eval(det, gt, ap, use_confidence=True)
print(ap)
return
def evaluate_mtmc(reid_path, data_path):
accumulator = mm.MOTAccumulator(auto_id=True)
for cam in sorted(os.listdir(data_path)):
vidcap = cv2.VideoCapture(os.path.join(data_path, cam, 'vdo.avi'))
num_frames = int(vidcap.get(cv2.CAP_PROP_FRAME_COUNT))
gt = read_detections(os.path.join(data_path, cam, 'gt/gt.txt'),
grouped=True)
det_reid = read_detections(os.path.join(reid_path, cam,
'overlap_reid_detections.txt'),
grouped=True)
accumulator = eval_tracking(num_frames, gt, det_reid, accumulator, cam)
mh = mm.metrics.create()
return mh.compute(accumulator,
metrics=['precision', 'recall', 'idp', 'idr', 'idf1'],
name='acc')
def task1_1(paths, show, noise_params):
gt = read_annotations(paths['gt'], grouped=False, use_parked=True)
det = read_detections(paths['det'], grouped=True)
grouped_gt = group_by_frame(gt)
# if we want to replicate results
# np.random.seed(10)
cap = cv2.VideoCapture(paths['video'])
# cap.set(cv2.CAP_PROP_POS_FRAMES, frame_id) # to start from frame #frame_id
num_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
if noise_params['add']:
noisy_gt = add_noise(gt, noise_params, num_frames)
grouped_noisy_gt = group_by_frame(noisy_gt)
for frame_id in range(num_frames):
_, frame = cap.read()
if show['gt']:
frame = draw_boxes(frame, grouped_gt[frame_id], color='g')
if show['det']:
frame = draw_boxes(frame, det[frame_id], color='b', det=True)
if show['noisy']:
frame = draw_boxes(frame, grouped_noisy_gt[frame_id], color='r')
cv2.imshow('frame', frame)
if cv2.waitKey() == 113: # press q to quit
break
frame_id += 1
cv2.destroyAllWindows()
return
def create_csv_patches(video_path, det_path, patches_path, sequence, camera, writer):
vidcap = cv2.VideoCapture(video_path)
num_frames = int(vidcap.get(cv2.CAP_PROP_FRAME_COUNT))
print("Total frames: ", num_frames)
det = read_detections(det_path, grouped=True)
for frame_id in tqdm(range(num_frames), desc='Creating patches of seq ' + sequence + '/' + camera):
_, frame = vidcap.read()
if frame_id in det:
det_bboxes = det[frame_id]
for box in det_bboxes:
# crop_img = frame[int(box.ytl):int(box.ybr), int(box.xtl):int(box.xbr)]
# cv2.imwrite(patches_path + f"/{str(box.id)}_{sequence}_{camera}_{str(frame_id)}.jpg",
# crop_img.astype(int))
filename = str(box.id) + '_' + sequence + '_' + camera + '_' + str(frame_id) + '.jpg'
writer.writerow([filename, str(box.id), sequence, camera, str(frame_id), str(box.xtl), str(box.ytl),
str(box.xbr), str(box.ybr), str(box.center[0]), str(box.center[1])])
frame_id += 1
return
print('Train frames: ', train_len)
backSub = cv2.bgsegm.createBackgroundSubtractorMOG(history=100, nmixtures=2, backgroundRatio=0.7)
backSub = train_sota(vidcap, train_len, backSub)
vidcap = cv2.VideoCapture(params['video_path'])
test_len = int(vidcap.get(cv2.CAP_PROP_FRAME_COUNT))
print('Test frames: ', test_len)
ap, detections = eval_sota(vidcap, test_len, backSub, params, init_frame=0, return_detections=True)
print('AP: ', ap)
save_detections(detections, det_path, frame_count)
# gt = read_annotations(params['gt_path'], grouped=True, use_parked=True)
gt = read_detections(os.path.join(args.data_path, args.seq, 'gt/gt.txt'), grouped=True)
gt = fill_gt(gt, frame_count)
det = read_detections(det_path, grouped=False)
rec, prec, ap = voc_eval(det, gt, 0.5, use_confidence=True)
print('AP from loaded detections: ', ap)
else:
model = 'COCO-Detection/faster_rcnn_R_50_FPN_3x.yaml'
print('[INFO] Using model: ', model)
weights_path = './W3/results/task1_2_all/faster_rcnn/lr_0_001_iter_5000_batch_512'
cfg = get_cfg()
cfg.merge_from_file(model_zoo.get_config_file(model))
cfg.MODEL.ROI_HEADS.SCORE_THRESH_TEST = 0.5 # set threshold for this model
def eval_sota(vidcap,
test_len,
backSub,
params,
init_frame=535,
return_detections=False):
print("Evaluating SOTA")
# gt = read_annotations(params["gt_path"], grouped=True, use_parked=False)
gt = read_detections(params['gt_path'], grouped=True)
frame_id = int(vidcap.get(cv2.CAP_PROP_POS_FRAMES))
detections = []
annotations = {}
for t in tqdm(range(test_len)):
_, frame = vidcap.read()
segmentation = backSub.apply(frame)
roi = cv2.imread(params['roi_path'], cv2.IMREAD_GRAYSCALE) / 255
segmentation = segmentation * roi
segmentation = postprocess_fg(segmentation)
det_bboxes = fg_bboxes(segmentation, frame_id, params)
detections += det_bboxes
segmentation = cv2.cvtColor(segmentation.astype(np.uint8),
cv2.COLOR_GRAY2RGB)
gt_bboxes = []
if frame_id in gt:
gt_bboxes = gt[frame_id]
annotations[frame_id] = gt_bboxes
text_bboxes = "nbb" #no bouning boxes
if params['show_boxes']:
segmentation = draw_boxes(image=segmentation,
boxes=gt_bboxes,
color='g',
linewidth=3)
cv2.rectangle(frame, (10, 2), (120, 20), (255, 255, 255), -1)
cv2.putText(
frame, params["sota_method"] + " - " +
str(vidcap.get(cv2.CAP_PROP_POS_FRAMES)), (15, 15),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0))
segmentation = draw_boxes(image=segmentation,
boxes=det_bboxes,
color='r',
linewidth=3)
cv2.imshow("Segmentation mask with detected boxes and gt",
segmentation)
cv2.imshow('Frame', frame)
text_bboxes = ""
if params[
'save_results'] and frame_id >= 1169 and frame_id < 1229: # if frame_id >= 535 and frame_id < 550
cv2.imwrite(
params['results_path'] +
f"seg_{str(frame_id)}_pp_{params['sota_method']}_{text_bboxes}.bmp",
segmentation.astype(int))
if cv2.waitKey() == 113: # press q to quit
break
if params['save_results'] and frame_id >= 1169 and frame_id < 1229:
segmentation = draw_boxes(image=segmentation,
boxes=gt_bboxes,
color='g',
linewidth=3)
segmentation = draw_boxes(image=segmentation,
boxes=det_bboxes,
color='r',
linewidth=3)
cv2.imwrite(f"seg/{str(frame_id)}.png", segmentation.astype(int))
frame_id += 1
detections = temporal_filter(group_by_frame(detections),
init=init_frame,
end=frame_id)
rec, prec, ap = voc_evaluation.voc_eval(detections,
annotations,
ovthresh=0.5,
use_confidence=False)
if return_detections:
return ap, group_by_frame(detections)
else:
return ap
def eval_tracking_MaximumOverlap(vidcap, test_len, params, opticalFlow=None):
print("Evaluating Tracking")
gt = read_annotations(params["gt_path"], grouped=True, use_parked=True)
det = read_detections(params["det_path"], grouped=True, confidenceThr=0.4)
frame_id = int(vidcap.get(cv2.CAP_PROP_POS_FRAMES))
first_frame_id = frame_id
print(frame_id)
detections = []
annotations = {}
list_positions = {}
center_seen_last5frames = {}
id_seen_last5frames = {}
tracking = Tracking()
det_bboxes_old = -1
old_frame = None
# Create an accumulator that will be updated during each frame
accumulator = mm.MOTAccumulator(auto_id=True)
for t in tqdm(range((train_len + test_len) - first_frame_id)):
_, frame = vidcap.read()
# cv2.imshow('Frame', frame)
# keyboard = cv2.waitKey(30)
flow_aux = np.zeros(shape=(frame.shape[0], frame.shape[1], 2))
if params['use_optical_flow'] and old_frame is not None:
for d in det_bboxes_old:
# print(d)
flow = None
# print("Computing optical flow")
flow = computeOpticalFlow(old_frame,
frame,
d,
option=params['optical_flow_option'])
d.flow = [flow[0], -flow[1]]
flow_aux[int(d.ytl):int(d.ybr),
int(d.xtl):int(d.xbr), :] = flow
plot_flow(
old_frame[:, :, [2, 1, 0]],
flow_aux,
step=16,
fname=
'/home/oscar/workspace/master/modules/m6/project/mcv-m6-2021-team4/W4/OF_BB/'
+ f"tracking_{str(frame_id)}_IoU.png")
det_bboxes = det[frame_id]
det_bboxes = tracking.set_frame_ids(det_bboxes, det_bboxes_old)
detections += det_bboxes
id_seen = []
gt_bboxes = []
if frame_id in gt:
gt_bboxes = gt[frame_id]
annotations[frame_id] = gt_bboxes
objs = [bbox.center for bbox in gt_bboxes]
hyps = [bbox.center for bbox in det_bboxes]
for object_bb in det_bboxes:
if object_bb.id in list(list_positions.keys()):
if t < 5:
id_seen_last5frames[object_bb.id] = object_bb.id
center_seen_last5frames[object_bb.id] = object_bb.center
list_positions[object_bb.id].append(
[int(x) for x in object_bb.center])
else:
if (t < 5):
id_seen_last5frames[object_bb.id] = object_bb.id
center_seen_last5frames[object_bb.id] = object_bb.center
id_seen.append(object_bb)
list_positions[object_bb.id] = [[
int(x) for x in object_bb.center
]]
# To detect pared cars
for bbox in id_seen:
for idx in list(id_seen_last5frames.keys()):
if idx != bbox.id:
center = [center_seen_last5frames[idx]]
mse = (np.square(
np.subtract(np.array(center),
np.array([int(x)
for x in bbox.center])))).mean()
if mse < 300:
setattr(bbox, 'id', idx)
accumulator.update(
[bbox.id
for bbox in gt_bboxes], # Ground truth objects in this frame
[bbox.id
for bbox in det_bboxes], # Detector hypotheses in this frame
mm.distances.norm2squared_matrix(
objs, hyps
) # Distances from object 1 to hypotheses 1, 2, 3 and Distances from object 2 to hypotheses 1, 2, 3
)
if params['show_boxes']:
drawed_frame_aux = draw_boxes(image=frame,
boxes=det_bboxes,
color='r',
linewidth=3,
det=False,
boxIds=True,
tracker=list_positions)
drawed_frame = deepcopy(drawed_frame_aux)
if not det_bboxes_old == -1:
drawed_frame = draw_boxes_old(image=drawed_frame,
boxes=det_bboxes_old,
color='r',
linewidth=3,
det=False,
boxIds=True,
tracker=list_positions)
cv2.rectangle(drawed_frame, (10, 2), (120, 20), (255, 255, 255),
-1)
cv2.putText(drawed_frame, str(vidcap.get(cv2.CAP_PROP_POS_FRAMES)),
(15, 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0))
cv2.imshow('Frame', drawed_frame)
cv2.waitKey(30)
cv2.imwrite(
params['results_path'] + f"tracking_{str(frame_id)}_IoU.jpg",
drawed_frame.astype(int))
drawed_frame2 = deepcopy(drawed_frame_aux)
if not det_bboxes_old == -1:
drawed_frame2 = draw_boxes_old(image=drawed_frame2,
boxes=det_bboxes_old,
color='r',
linewidth=3,
det=False,
boxIds=True,
tracker=list_positions,
shifted=True)
cv2.rectangle(drawed_frame2, (10, 2), (120, 20), (255, 255, 255),
-1)
cv2.putText(drawed_frame2,
str(vidcap.get(cv2.CAP_PROP_POS_FRAMES)), (15, 15),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0))
cv2.imshow('Frame', drawed_frame2)
cv2.waitKey(30)
cv2.imwrite(
'./W4/OF_shifted_BB/' + f"tracking_{str(frame_id)}_IoU.jpg",
drawed_frame2.astype(int))
if params['save_results'] and frame_id >= (355 + 535) and frame_id < (
410 + 535): # if frame_id >= 535 and frame_id < 550
drawed_frame = frame
drawed_frame = draw_boxes(image=drawed_frame,
boxes=det_bboxes,
color='r',
linewidth=3,
det=False,
boxIds=True,
tracker=list_positions)
if not det_bboxes_old == -1:
drawed_frame = draw_boxes_old(image=drawed_frame,
boxes=det_bboxes_old,
color='r',
linewidth=3,
det=False,
boxIds=True,
tracker=list_positions)
cv2.rectangle(drawed_frame, (10, 2), (120, 20), (255, 255, 255),
-1)
cv2.putText(drawed_frame, str(vidcap.get(cv2.CAP_PROP_POS_FRAMES)),
(15, 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0))
cv2.imwrite(
params['results_path'] + f"tracking_{str(frame_id)}_IoU.jpg",
drawed_frame.astype(int))
frame_id += 1
old_frame = frame
det_bboxes_old = det_bboxes
mh = mm.metrics.create()
summary = mh.compute(accumulator,
metrics=['precision', 'recall', 'idp', 'idr', 'idf1'],
name='acc')
print(summary)
def task2(gt_path, det_path, video_path, results_path):
plot_frames_path = os.path.join(results_path, 'plot_frames/')
video_frames_path = os.path.join(results_path, 'video_frames/')
print(plot_frames_path)
# If folder doesn't exist -> create it
os.makedirs(plot_frames_path, exist_ok=True)
os.makedirs(video_frames_path, exist_ok=True)
show_det = True
show_noisy = False
gt = read_annotations(gt_path, grouped=False, use_parked=True)
det = read_detections(det_path, grouped=True)
grouped_gt = group_by_frame(gt)
noise_params = {
'add': False,
'drop': 0.0,
'generate_close': 0.0,
'generate_random': 0.0,
'type': 'specific', # options: 'specific', 'gaussian', None
'std': 40, # pixels
'position': False,
'size': True,
'keep_ratio': True
}
if noise_params['add']:
noisy_gt = add_noise(gt, noise_params)
grouped_noisy_gt = group_by_frame(noisy_gt)
cap = cv2.VideoCapture(video_path)
# cap.set(cv2.CAP_PROP_POS_FRAMES, frame_id) # to start from frame #frame_id
num_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
iou_list = {}
for frame_id in range(20):
_, frame = cap.read()
frame = draw_boxes(frame, grouped_gt[frame_id], color='g')
if show_det:
frame = draw_boxes(frame, det[frame_id], color='b', det=True)
frame_iou = mean_iou(det[frame_id], grouped_gt[frame_id], sort=True)
if show_noisy:
frame = draw_boxes(frame, grouped_noisy_gt[frame_id], color='r')
frame_iou = mean_iou(grouped_noisy_gt[frame_id], grouped_gt[frame_id])
iou_list[frame_id] = frame_iou
plot = plot_iou(iou_list, num_frames)
'''
if show:
fig.show()
cv2.imshow('frame', frame)
if cv2.waitKey() == 113: # press q to quit
break
'''
imageio.imwrite(video_frames_path + '{}.png'.format(frame_id), frame)
plot.savefig(plot_frames_path + 'iou_{}.png'.format(frame_id))
plt.close(plot)
frame_id += 1
save_gif(plot_frames_path, results_path + 'iou.gif')
save_gif(video_frames_path, results_path + 'bbox.gif')
# cv2.destroyAllWindows()
return
return mh.compute(accumulator,
metrics=['precision', 'recall', 'idp', 'idr', 'idf1'],
name='acc')
if __name__ == "__main__":
args = parse_args()
cams_path = os.path.join(args.reid_path, args.seq)
print('[INFO] Evaluating MTMC tracking, sequence ', args.seq)
accumulator = mm.MOTAccumulator(auto_id=True)
for cam in sorted(os.listdir(cams_path)):
vidcap = cv2.VideoCapture(
os.path.join(args.data_path, args.seq, cam, 'vdo.avi'))
num_frames = int(vidcap.get(cv2.CAP_PROP_FRAME_COUNT))
gt = read_detections(os.path.join(args.data_path, args.seq, cam,
'gt/gt.txt'),
grouped=True)
det_reid = read_detections(os.path.join(cams_path, cam,
'overlap_reid_detections.txt'),
grouped=True)
accumulator = eval_tracking(num_frames, gt, det_reid, accumulator, cam)
mh = mm.metrics.create()
summary = mh.compute(accumulator,
metrics=['precision', 'recall', 'idp', 'idr', 'idf1'],
name='acc')
print(summary)
'c011': 84, # 8.457s * 10 fps
'c012': 59, # 5.879s * 10 fps
'c013': 0,
'c014': 50, # 5.042s * 10 fps
'c015': 68 # 8.492s * 8 fps
}
cam_dicts = {}
for cam in cams:
vidcap = cv2.VideoCapture(params['data_path'] +
"{}\\vdo.avi".format(cam))
#vidcap.set(cv2.CAP_PROP_POS_FRAMES, frame_offset[cam])
det = read_detections(params['data_path'] +
"{}\\overlap_reid_detections.txt".format(cam),
grouped=True,
confidenceThr=0.4)
cam_dicts[cam] = [
vidcap, int(vidcap.get(cv2.CAP_PROP_FRAME_COUNT)), det
]
print("Cam: {}, Total frames: {}, fps: {}, frame_offset: {}".format(
cam, cam_dicts[cam][1], 10 / fps_ratio[cam], frame_offset[cam]))
frame_id = 0
frames = {}
last_frame = np.zeros(shape=(1080, 1920, 3))
ids = []
while (True):
if frame_id < 400:
return filtered_detections
if __name__ == '__main__':
args = parse_args()
det_path = 'results/task1_1/' + args.model + '/detections.txt'
if args.detect:
det_path = model_detect[args.model](args.video_path)
if args.visualize:
gt = read_annotations(args.gt_path, grouped=True, use_parked=True)
det = read_detections(det_path, grouped=False)
det = group_by_frame(filter_by_conf(det, conf_thr=args.min_conf))
vidcap = cv2.VideoCapture(args.video_path)
# vidcap.set(cv2.CAP_PROP_POS_FRAMES, initial_frame) # to start from frame #frame_id
num_frames = int(vidcap.get(cv2.CAP_PROP_FRAME_COUNT))
for frame_id in range(num_frames):
_, frame = vidcap.read()
if frame_id >= 1755 and frame_id <= 1835:
frame = draw_boxes(frame, gt[frame_id], color='g')
frame = draw_boxes(frame, det[frame_id], color='b', det=True)
cv2.imshow('frame', frame)
