def calc_output_video_params(input_sizes,
fps,
gt,
merge_det_gt_windows,
max_window_size=(1920, 1080),
stack_frames='vertical'):
assert stack_frames in ['vertical', 'horizontal']
widths = []
heights = []
for wh in input_sizes:
widths.append(wh[0])
heights.append(wh[1])
if stack_frames == 'vertical':
target_width = min(widths)
target_height = sum(heights)
elif stack_frames == 'horizontal':
target_width = sum(widths)
target_height = min(heights)
if gt and merge_det_gt_windows:
target_width *= 2
vis = np.zeros((target_height, target_width, 3), dtype='uint8')
target_width, target_height = get_target_size(input_sizes, vis,
max_window_size,
stack_frames)
target_fps = min(fps)
return (target_width, target_height), target_fps
def run(params, config, capture, detector, reid):
win_name = 'Multi camera tracking'
frame_number = 0
avg_latency = AverageEstimator()
output_detections = [[] for _ in range(capture.get_num_sources())]
key = -1
if config['normalizer_config']['enabled']:
capture.add_transform(
NormalizerCLAHE(
config['normalizer_config']['clip_limit'],
config['normalizer_config']['tile_size'],
))
tracker = MultiCameraTracker(capture.get_num_sources(),
reid,
config['sct_config'],
**config['mct_config'],
visual_analyze=config['analyzer'])
thread_body = FramesThreadBody(capture,
max_queue_length=len(capture.captures) * 2)
frames_thread = Thread(target=thread_body)
frames_thread.start()
if len(params.output_video):
frame_size, fps = capture.get_source_parameters()
target_width, target_height = get_target_size(
frame_size, None, **config['visualization_config'])
video_output_size = (target_width, target_height)
fourcc = cv.VideoWriter_fourcc(*'XVID')
output_video = cv.VideoWriter(params.output_video, fourcc, min(fps),
video_output_size)
else:
output_video = None
prev_frames = thread_body.frames_queue.get()
detector.run_async(prev_frames, frame_number)
presenter = monitors.Presenter(params.utilization_monitors, 0)
while thread_body.process:
if not params.no_show:
key = check_pressed_keys(key)
if key == 27:
break
presenter.handleKey(key)
start = time.perf_counter()
try:
frames = thread_body.frames_queue.get_nowait()
except queue.Empty:
frames = None
if frames is None:
continue
all_detections = detector.wait_and_grab()
if params.save_detections:
update_detections(output_detections, all_detections, frame_number)
frame_number += 1
detector.run_async(frames, frame_number)
all_masks = [[] for _ in range(len(all_detections))]
for i, detections in enumerate(all_detections):
all_detections[i] = [det[0] for det in detections]
all_masks[i] = [det[2] for det in detections if len(det) == 3]
tracker.process(prev_frames, all_detections, all_masks)
tracked_objects = tracker.get_tracked_objects()
latency = max(time.perf_counter() - start, sys.float_info.epsilon)
avg_latency.update(latency)
fps = round(1. / latency, 1)
vis = visualize_multicam_detections(prev_frames, tracked_objects, fps,
**config['visualization_config'])
presenter.drawGraphs(vis)
if not params.no_show:
cv.imshow(win_name, vis)
if output_video:
output_video.write(cv.resize(vis, video_output_size))
print('\rProcessing frame: {}, fps = {} (avg_fps = {:.3})'.format(
frame_number, fps, 1. / avg_latency.get()),
end="")
prev_frames, frames = frames, prev_frames
print(presenter.reportMeans())
print('')
thread_body.process = False
frames_thread.join()
if len(params.history_file):
save_json_file(params.history_file,
tracker.get_all_tracks_history(),
description='History file')
if len(params.save_detections):
save_json_file(params.save_detections,
output_detections,
description='Detections')
if len(config['embeddings']['save_path']):
save_embeddings(tracker.scts, **config['embeddings'])
def run(params, config, capture, detector, reid):
win_name = 'Multi camera tracking'
frame_number = 0
output_detections = [[] for _ in range(capture.get_num_sources())]
key = -1
if config.normalizer_config.enabled:
capture.add_transform(
NormalizerCLAHE(
config.normalizer_config.clip_limit,
config.normalizer_config.tile_size,
))
tracker = MultiCameraTracker(capture.get_num_sources(),
reid,
config.sct_config,
**vars(config.mct_config),
visual_analyze=config.analyzer)
thread_body = FramesThreadBody(capture,
max_queue_length=len(capture.captures) * 2)
frames_thread = Thread(target=thread_body)
frames_thread.start()
frames_read = False
set_output_params = False
prev_frames = thread_body.frames_queue.get()
detector.run_async(prev_frames, frame_number)
metrics = PerformanceMetrics()
presenter = monitors.Presenter(params.utilization_monitors, 0)
while thread_body.process:
if not params.no_show:
key = check_pressed_keys(key)
if key == 27:
break
presenter.handleKey(key)
start_time = time.perf_counter()
try:
frames = thread_body.frames_queue.get_nowait()
frames_read = True
except queue.Empty:
frames = None
if frames is None:
continue
all_detections = detector.wait_and_grab()
if params.save_detections:
update_detections(output_detections, all_detections, frame_number)
frame_number += 1
detector.run_async(frames, frame_number)
all_masks = [[] for _ in range(len(all_detections))]
for i, detections in enumerate(all_detections):
all_detections[i] = [det[0] for det in detections]
all_masks[i] = [det[2] for det in detections if len(det) == 3]
tracker.process(prev_frames, all_detections, all_masks)
tracked_objects = tracker.get_tracked_objects()
vis = visualize_multicam_detections(
prev_frames, tracked_objects, **vars(config.visualization_config))
metrics.update(start_time, vis)
presenter.drawGraphs(vis)
if not params.no_show:
cv.imshow(win_name, vis)
if frames_read and not set_output_params:
set_output_params = True
if len(params.output_video):
frame_size = [frame.shape[::-1] for frame in frames]
fps = capture.get_fps()
target_width, target_height = get_target_size(
frame_size, None, **vars(config.visualization_config))
video_output_size = (target_width, target_height)
fourcc = cv.VideoWriter_fourcc(*'XVID')
output_video = cv.VideoWriter(params.output_video, fourcc,
min(fps), video_output_size)
else:
output_video = None
if set_output_params and output_video:
output_video.write(cv.resize(vis, video_output_size))
prev_frames, frames = frames, prev_frames
metrics.log_total()
for rep in presenter.reportMeans():
log.info(rep)
thread_body.process = False
frames_thread.join()
if len(params.history_file):
save_json_file(params.history_file,
tracker.get_all_tracks_history(),
description='History file')
if len(params.save_detections):
save_json_file(params.save_detections,
output_detections,
description='Detections')
if len(config.embeddings.save_path):
save_embeddings(tracker.scts, **vars(config.embeddings))
def run(params, config, capture, detector, reid):
ix,iy = -1,-1
pts_src = np.array([[561,1022],[990,698],[486,273],[95,504]],dtype='float32')
pts_dest = np.array([[0,0],[0,400],[400,700],[0,700]],dtype='float32')
# calculate matrix H
h, status = cv.findHomography(pts_src,pts_dest)
win_name = 'Multi camera tracking'
frame_number = 0
avg_latency = AverageEstimator()
output_detections = [[] for _ in range(capture.get_num_sources())]
key = -1
refObj = []
if config['normalizer_config']['enabled']:
capture.add_transform(
NormalizerCLAHE(
config['normalizer_config']['clip_limit'],
config['normalizer_config']['tile_size'],
)
)
tracker = MultiCameraTracker(capture.get_num_sources(), reid, config['sct_config'], **config['mct_config'],
visual_analyze=config['analyzer'])
thread_body = FramesThreadBody(capture, max_queue_length=len(capture.captures) * 2)
frames_thread = Thread(target=thread_body)
frames_thread.start()
if len(params.output_video):
frame_size, fps = capture.get_source_parameters()
target_width, target_height = get_target_size(frame_size, None, **config['visualization_config'])
video_output_size = (target_width, target_height)
fourcc = cv.VideoWriter_fourcc(*'XVID')
output_video = cv.VideoWriter(params.output_video,cv.VideoWriter_fourcc('M','J','P','G'),min(fps),video_output_size)
# output_video = cv.VideoWriter(params.output_video, fourcc, min(fps), video_output_size)
else:
output_video = None
prev_frames = thread_body.frames_queue.get()
detector.run_async(prev_frames, frame_number)
while thread_body.process:
if not params.no_show:
key = check_pressed_keys(key)
if key == 27:
break
start = time.time()
try:
frames = thread_body.frames_queue.get_nowait()
except queue.Empty:
frames = None
if frames is None:
continue
all_detections = detector.wait_and_grab()
for det in all_detections:
for obj in det:
print("Boxes:",obj[0])
print("Confidence:",obj[1])
if params.save_detections:
update_detections(output_detections, all_detections, frame_number)
frame_number += 1
detector.run_async(frames, frame_number)
all_masks = [[] for _ in range(len(all_detections))]
for i, detections in enumerate(all_detections):
all_detections[i] = [det[0] for det in detections]
all_masks[i] = [det[2] for det in detections if len(det) == 3]
tracker.process(prev_frames, all_detections, all_masks)
tracked_objects = tracker.get_tracked_objects()
latency = time.time() - start
avg_latency.update(latency)
fps = round(1. / latency, 1)
vis = visualize_multicam_detections(prev_frames, tracked_objects, fps, **config['visualization_config'],h=h)
if not params.no_show:
cv.setMouseCallback(win_name, getMousePointer)
if ix!=-1 and iy!=-1:
refObj.append((ix,iy))
ix=-1
iy=-1
print(len(refObj))
if len(refObj)==2:
print("Len 2 Rectangle Drawn.")
vis = cv.rectangle(vis, refObj[0], refObj[1],(255,0,0), 2)
refObj.clear()
cv.imshow(win_name, vis)
# cv.imwrite("refPicture.png",vis)
if output_video:
output_video.write(cv.resize(vis, video_output_size))
# print('\rProcessing frame: {}, fps = {} (avg_fps = {:.3})'.format(
# frame_number, fps, 1. / avg_latency.get()), end="")
prev_frames, frames = frames, prev_frames
# print('')
thread_body.process = False
frames_thread.join()
if len(params.history_file):
save_json_file(params.history_file, tracker.get_all_tracks_history(), description='History file')
if len(params.save_detections):
save_json_file(params.save_detections, output_detections, description='Detections')
if len(config['embeddings']['save_path']):
save_embeddings(tracker.scts, **config['embeddings'])
