Python cv2.CAP_PROP_FRAME_HEIGHT Examples
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code examples of cv2.CAP_PROP_FRAME_HEIGHT().
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Example #1
Source File: cv2Iterator.py From dynamic-training-with-apache-mxnet-on-aws with Apache License 2.0 | 10 votes |
def __init__(self, capture=cv2.VideoCapture(0), frame_resize=None): self._capture = capture self._frame_resize = None if frame_resize: if isinstance(frame_resize, (tuple, list)) and (len(frame_resize) == 2): self._frame_resize = tuple(map(int, frame_resize)) self._frame_shape = (1, 3, self._frame_resize[0], self._frame_resize[1]) elif isinstance(frame_resize, float): width = int(self._capture.get(cv2.CAP_PROP_FRAME_WIDTH)*frame_resize) height = int(self._capture.get(cv2.CAP_PROP_FRAME_HEIGHT)*frame_resize) self._frame_shape = (1, 3, width, height) self._frame_resize = (width, height) else: assert False, "frame_resize should be a tuple of (x,y) pixels " "or a float setting the scaling factor" else: self._frame_shape = (1, 3, int(self._capture.get(cv2.CAP_PROP_FRAME_WIDTH)), int(self._capture.get(cv2.CAP_PROP_FRAME_HEIGHT)))
Example #2
Source File: rivagan.py From RivaGAN with MIT License | 9 votes |
def encode(self, video_in, data, video_out): assert len(data) == self.data_dim video_in = cv2.VideoCapture(video_in) width = int(video_in.get(cv2.CAP_PROP_FRAME_WIDTH)) height = int(video_in.get(cv2.CAP_PROP_FRAME_HEIGHT)) length = int(video_in.get(cv2.CAP_PROP_FRAME_COUNT)) data = torch.FloatTensor([data]).cuda() video_out = cv2.VideoWriter( video_out, cv2.VideoWriter_fourcc(*'mp4v'), 20.0, (width, height)) for i in tqdm(range(length)): ok, frame = video_in.read() frame = torch.FloatTensor([frame]) / 127.5 - 1.0 # (L, H, W, 3) frame = frame.permute(3, 0, 1, 2).unsqueeze(0).cuda() # (1, 3, L, H, W) wm_frame = self.encoder(frame, data) # (1, 3, L, H, W) wm_frame = torch.clamp(wm_frame, min=-1.0, max=1.0) wm_frame = ( (wm_frame[0, :, 0, :, :].permute(1, 2, 0) + 1.0) * 127.5 ).detach().cpu().numpy().astype("uint8") video_out.write(wm_frame) video_out.release()
Example #3
Source File: chapter2.py From OpenCV-Computer-Vision-Projects-with-Python with MIT License | 7 votes |
def main(): device = cv2.CAP_OPENNI capture = cv2.VideoCapture(device) if not(capture.isOpened()): capture.open(device) capture.set(cv2.CAP_PROP_FRAME_WIDTH, 640) capture.set(cv2.CAP_PROP_FRAME_HEIGHT, 480) app = wx.App() frame = MyFrame(None, -1, 'chapter2.py', capture) frame.Show(True) # self.SetTopWindow(frame) app.MainLoop() # When everything done, release the capture capture.release() cv2.destroyAllWindows()
Example #4
Source File: yolo.py From keras-yolov3-KF-objectTracking with MIT License | 7 votes |
def detect_video(yolo, video_path, output_path=""): import cv2 vid = cv2.VideoCapture(video_path) if not vid.isOpened(): raise IOError("Couldn't open webcam or video") video_FourCC = int(vid.get(cv2.CAP_PROP_FOURCC)) video_fps = vid.get(cv2.CAP_PROP_FPS) video_size = (int(vid.get(cv2.CAP_PROP_FRAME_WIDTH)), int(vid.get(cv2.CAP_PROP_FRAME_HEIGHT))) isOutput = True if output_path != "" else False if isOutput: print("!!! TYPE:", type(output_path), type(video_FourCC), type(video_fps), type(video_size)) out = cv2.VideoWriter(output_path, video_FourCC, video_fps, video_size) accum_time = 0 curr_fps = 0 fps = "FPS: ??" prev_time = timer() while True: return_value, frame = vid.read() image = Image.fromarray(frame) image = yolo.detect_image(image) result = np.asarray(image) curr_time = timer() exec_time = curr_time - prev_time prev_time = curr_time accum_time = accum_time + exec_time curr_fps = curr_fps + 1 if accum_time > 1: accum_time = accum_time - 1 fps = "FPS: " + str(curr_fps) curr_fps = 0 cv2.putText(result, text=fps, org=(3, 15), fontFace=cv2.FONT_HERSHEY_SIMPLEX, fontScale=0.50, color=(255, 0, 0), thickness=2) cv2.namedWindow("result", cv2.WINDOW_NORMAL) cv2.imshow("result", result) if isOutput: out.write(result) if cv2.waitKey(1) & 0xFF == ord('q'): break yolo.close_session()
Example #5
Source File: videocapturethreading.py From video-capture-async with Apache License 2.0 | 6 votes |
def _run(self, n_frames=500, width=1280, height=720, with_threading=False): if with_threading: cap = VideoCaptureTreading(0) else: cap = cv2.VideoCapture(0) cap.set(cv2.CAP_PROP_FRAME_WIDTH, width) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, height) if with_threading: cap.start() t0 = time.time() i = 0 while i < n_frames: _, frame = cap.read() cv2.imshow('Frame', frame) cv2.waitKey(1) & 0xFF i += 1 print('[i] Frames per second: {:.2f}, with_threading={}'.format(n_frames / (time.time() - t0), with_threading)) if with_threading: cap.stop() cv2.destroyAllWindows()
Example #6
Source File: preprocess.py From filmstrip with MIT License | 6 votes |
def getInfo(sourcePath): cap = cv2.VideoCapture(sourcePath) info = { "framecount": cap.get(cv2.CAP_PROP_FRAME_COUNT), "fps": cap.get(cv2.CAP_PROP_FPS), "width": int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)), "height": int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)), "codec": int(cap.get(cv2.CAP_PROP_FOURCC)) } cap.release() return info # # Extracts one frame for every second second of video. # Effectively compresses a video down into much less data. #
Example #7
Source File: demo.py From blueoil with Apache License 2.0 | 6 votes |
def __init__(self, video_source, video_width, video_height, video_fps, queue_size=1): self.video_fps = video_fps vc = cv2.VideoCapture(video_source) if hasattr(cv2, 'cv'): vc.set(cv2.cv.CV_CAP_PROP_FRAME_WIDTH, video_width) vc.set(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT, video_height) vc.set(cv2.cv.CV_CAP_PROP_FPS, video_fps) else: vc.set(cv2.CAP_PROP_FRAME_WIDTH, video_width) vc.set(cv2.CAP_PROP_FRAME_HEIGHT, video_height) vc.set(cv2.CAP_PROP_FPS, video_fps) self.stream = vc self.stopped = False self.queue = Queue(maxsize=queue_size) self.thread = Thread(target=self.update, args=()) self.thread.daemon = True self.thread.start()
Example #8
Source File: cv2Iterator.py From training_results_v0.6 with Apache License 2.0 | 6 votes |
def __init__(self, capture=cv2.VideoCapture(0), frame_resize=None): self._capture = capture self._frame_resize = None if frame_resize: if isinstance(frame_resize, (tuple, list)) and (len(frame_resize) == 2): self._frame_resize = tuple(map(int, frame_resize)) self._frame_shape = (1, 3, self._frame_resize[0], self._frame_resize[1]) elif isinstance(frame_resize, float): width = int(self._capture.get(cv2.CAP_PROP_FRAME_WIDTH)*frame_resize) height = int(self._capture.get(cv2.CAP_PROP_FRAME_HEIGHT)*frame_resize) self._frame_shape = (1, 3, width, height) self._frame_resize = (width, height) else: assert False, "frame_resize should be a tuple of (x,y) pixels " "or a float setting the scaling factor" else: self._frame_shape = (1, 3, int(self._capture.get(cv2.CAP_PROP_FRAME_WIDTH)), int(self._capture.get(cv2.CAP_PROP_FRAME_HEIGHT)))
Example #9
Source File: video.py From visual_dynamics with MIT License | 6 votes |
def __init__(self, device=None, size=None, fps=None, sync=False): self.device = device or 0 self.size = size or (480, 640) fps = fps or 30 self.cap = cv2.VideoCapture(self.device) cap_height, cap_width = self.cap.get(cv2.CAP_PROP_FRAME_HEIGHT), self.cap.get(cv2.CAP_PROP_FRAME_WIDTH) if cap_height != self.size[0]: self.cap.set(cv2.CAP_PROP_FRAME_HEIGHT, self.size[0]) if cap_width != self.size[1]: self.cap.set(cv2.CAP_PROP_FRAME_WIDTH, self.size[1]) cap_fps = self.cap.get(cv2.CAP_PROP_FPS) if cap_fps != fps: self.cap.set(cv2.CAP_PROP_FPS, fps) if sync: raise ValueError("sync not supported")
Example #10
Source File: run_estimator_ps.py From VNect with Apache License 2.0 | 6 votes |
def init(): # initialize VNect estimator global estimator estimator = VNectEstimator() # catch the video stream global camera_capture camera_capture = cv2.VideoCapture(video) assert camera_capture.isOpened(), 'Video stream not opened: %s' % str(video) global W_img, H_img W_img, H_img = (int(camera_capture.get(cv2.CAP_PROP_FRAME_WIDTH)), int(camera_capture.get(cv2.CAP_PROP_FRAME_HEIGHT))) ################ ### Box Loop ### ################ # use a simple HOG method to initialize bounding box
Example #11
Source File: utils.py From ActionAI with GNU General Public License v3.0 | 6 votes |
def source_capture(source): source = int(source) if source.isdigit() else source cap = cv2.VideoCapture(source) fourcc_cap = cv2.VideoWriter_fourcc(*'MJPG') cap.set(cv2.CAP_PROP_FOURCC, fourcc_cap) cap.set(cv2.CAP_PROP_FRAME_WIDTH, cfg.w) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, cfg.h) return cap
Example #12
Source File: webcam_video_stream.py From AugmentedAutoencoder with MIT License | 6 votes |
def __init__(self, src, width, height): # initialize the video camera stream and read the first frame # from the stream self.frame_counter = 1 self.width = width self.height = height self.stream = cv2.VideoCapture(src) self.stream.set(cv2.CAP_PROP_FRAME_WIDTH, self.width) self.stream.set(cv2.CAP_PROP_FRAME_HEIGHT, self.height) (self.grabbed, self.frame) = self.stream.read() # initialize the variable used to indicate if the thread should # be stopped self.stopped = False #Debug stream shape self.real_width = int(self.stream.get(3)) self.real_height = int(self.stream.get(4)) print("> Start video stream with shape: {},{}".format(self.real_width,self.real_height))
Example #13
Source File: helper.py From AugmentedAutoencoder with MIT License | 6 votes |
def __init__(self, src, width, height): # initialize the video camera stream and read the first frame # from the stream self.frame_counter = 1 self.width = width self.height = height self.stream = cv2.VideoCapture(src) self.stream.set(cv2.CAP_PROP_FRAME_WIDTH, self.width) self.stream.set(cv2.CAP_PROP_FRAME_HEIGHT, self.height) (self.grabbed, self.frame) = self.stream.read() # initialize the variable used to indicate if the thread should # be stopped self.stopped = False #Debug stream shape self.real_width = int(self.stream.get(3)) self.real_height = int(self.stream.get(4)) print("> Start video stream with shape: {},{}".format(self.real_width,self.real_height))
Example #14
Source File: agegenderemotion_webcam.py From libfaceid with MIT License | 5 votes |
def cam_init(cam_index, width, height): cap = cv2.VideoCapture(cam_index) if sys.version_info < (3, 0): cap.set(cv2.cv.CV_CAP_PROP_FPS, 30) cap.set(cv2.cv.CV_CAP_PROP_FRAME_WIDTH, width) cap.set(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT, height) else: cap.set(cv2.CAP_PROP_FPS, 30) cap.set(cv2.CAP_PROP_FRAME_WIDTH, width) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, height) return cap
Example #15
Source File: app_utils.py From face-attendance-machine with Apache License 2.0 | 5 votes |
def __init__(self, src, width, height): # initialize the video camera stream and read the first frame # from the stream self.stream = cv2.VideoCapture(src) self.stream.set(cv2.CAP_PROP_FRAME_WIDTH, width) self.stream.set(cv2.CAP_PROP_FRAME_HEIGHT, height) (self.grabbed, self.frame) = self.stream.read() # initialize the variable used to indicate if the thread should # be stopped self.stopped = False
Example #16
Source File: yolo_matt.py From keras-yolov3-KF-objectTracking with MIT License | 5 votes |
def detect_video(yolo, video_path, output_path=""): import cv2 vid = cv2.VideoCapture(video_path) if not vid.isOpened(): raise IOError("Couldn't open webcam or video") video_FourCC = int(vid.get(cv2.CAP_PROP_FOURCC)) video_fps = vid.get(cv2.CAP_PROP_FPS) video_size = (int(vid.get(cv2.CAP_PROP_FRAME_WIDTH)), int(vid.get(cv2.CAP_PROP_FRAME_HEIGHT))) isOutput = True if output_path != "" else False if isOutput: print("!!! TYPE:", type(output_path), type(video_FourCC), type(video_fps), type(video_size)) out = cv2.VideoWriter(output_path, video_FourCC, video_fps, video_size) accum_time = 0 curr_fps = 0 fps = "FPS: ??" prev_time = timer() while True: return_value, frame = vid.read() image = Image.fromarray(frame) image = yolo.detect_image(image) result = np.asarray(image) curr_time = timer() exec_time = curr_time - prev_time prev_time = curr_time accum_time = accum_time + exec_time curr_fps = curr_fps + 1 if accum_time > 1: accum_time = accum_time - 1 fps = "FPS: " + str(curr_fps) curr_fps = 0 cv2.putText(result, text=fps, org=(3, 15), fontFace=cv2.FONT_HERSHEY_SIMPLEX, fontScale=0.50, color=(255, 0, 0), thickness=2) cv2.namedWindow("result", cv2.WINDOW_NORMAL) cv2.imshow("result", result) if isOutput: out.write(result) if cv2.waitKey(1) & 0xFF == ord('q'): break yolo.close_session()
Example #17
Source File: read_camera.py From AnimalRecognitionDemo with Apache License 2.0 | 5 votes |
def __init__(self, infile=0, fps=15.0): self.cam = cv2.VideoCapture(infile) self.cam.set(cv2.CAP_PROP_FPS, fps) self.cam.set(cv2.CAP_PROP_FRAME_WIDTH, IMAGE_WIDTH) self.cam.set(cv2.CAP_PROP_FRAME_HEIGHT, IMAGE_HEIGHT)
Example #18
Source File: rivagan.py From RivaGAN with MIT License | 5 votes |
def decode(self, video_in): video_in = cv2.VideoCapture(video_in) # width = int(video_in.get(cv2.CAP_PROP_FRAME_WIDTH)) # height = int(video_in.get(cv2.CAP_PROP_FRAME_HEIGHT)) length = int(video_in.get(cv2.CAP_PROP_FRAME_COUNT)) for i in tqdm(range(length)): ok, frame = video_in.read() frame = torch.FloatTensor([frame]) / 127.5 - 1.0 # (L, H, W, 3) frame = frame.permute(3, 0, 1, 2).unsqueeze(0).cuda() # (1, 3, L, H, W) data = self.decoder(frame)[0].detach().cpu().numpy() yield data
Example #19
Source File: datasets.py From pruning_yolov3 with GNU General Public License v3.0 | 5 votes |
def __init__(self, sources='streams.txt', img_size=416, half=False): self.mode = 'images' self.img_size = img_size self.half = half # half precision fp16 images if os.path.isfile(sources): with open(sources, 'r') as f: sources = [x.strip() for x in f.read().splitlines() if len(x.strip())] else: sources = [sources] n = len(sources) self.imgs = [None] * n self.sources = sources for i, s in enumerate(sources): # Start the thread to read frames from the video stream print('%g/%g: %s... ' % (i + 1, n, s), end='') cap = cv2.VideoCapture(0 if s == '0' else s) assert cap.isOpened(), 'Failed to open %s' % s w = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)) h = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)) fps = cap.get(cv2.CAP_PROP_FPS) % 100 _, self.imgs[i] = cap.read() # guarantee first frame thread = Thread(target=self.update, args=([i, cap]), daemon=True) print(' success (%gx%g at %.2f FPS).' % (w, h, fps)) thread.start() print('') # newline
Example #20
Source File: helper.py From realtime_object_detection with MIT License | 5 votes |
def __init__(self, src, width, height): super(VideoStream, self).__init__() # initialize the video camera stream and read the first frame # from the stream self.frame_counter = 1 self.width = width self.height = height self.stream = cv2.VideoCapture(src) self.stream.set(cv2.CAP_PROP_FRAME_WIDTH, self.width) self.stream.set(cv2.CAP_PROP_FRAME_HEIGHT, self.height) (self.grabbed, self.frame) = self.stream.read() #Debug stream shape self.real_width = int(self.stream.get(3)) self.real_height = int(self.stream.get(4))
Example #21
Source File: testing_webcam_flask.py From libfaceid with MIT License | 5 votes |
def cam_init(cam_index, width, height): cap = cv2.VideoCapture(cam_index) if sys.version_info < (3, 0): cap.set(cv2.cv.CV_CAP_PROP_FPS, 30) cap.set(cv2.cv.CV_CAP_PROP_FRAME_WIDTH, width) cap.set(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT, height) else: cap.set(cv2.CAP_PROP_FPS, 30) cap.set(cv2.CAP_PROP_FRAME_WIDTH, width) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, height) return cap
Example #22
Source File: predict.py From image-segmentation-keras with MIT License | 5 votes |
def set_video(inp, video_name): cap = cv2.VideoCapture(inp) fps = int(cap.get(cv2.CAP_PROP_FPS)) video_width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)) video_height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)) size = (video_width, video_height) fourcc = cv2.VideoWriter_fourcc(*"XVID") video = cv2.VideoWriter(video_name, fourcc, fps, size) return cap, video, fps
Example #23
Source File: usb_camera_demo.py From blueoil with Apache License 2.0 | 5 votes |
def init_camera(camera_width, camera_height): if hasattr(cv2, 'cv'): vc = cv2.VideoCapture(0) vc.set(cv2.cv.CV_CAP_PROP_FRAME_WIDTH, camera_width) vc.set(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT, camera_height) vc.set(cv2.cv.CV_CAP_PROP_FPS, 60) else: vc = cv2.VideoCapture(0) vc.set(cv2.CAP_PROP_FRAME_WIDTH, camera_width) vc.set(cv2.CAP_PROP_FRAME_HEIGHT, camera_height) vc.set(cv2.CAP_PROP_FPS, 60) return vc
Example #24
Source File: yolo.py From keras-yolo3-master with MIT License | 5 votes |
def detect_video(yolo, video_path, output_path=""): import cv2 vid = cv2.VideoCapture(0) if not vid.isOpened(): raise IOError("Couldn't open webcam or video") video_FourCC = int(vid.get(cv2.CAP_PROP_FOURCC)) video_fps = vid.get(cv2.CAP_PROP_FPS) video_size = (int(vid.get(cv2.CAP_PROP_FRAME_WIDTH)), int(vid.get(cv2.CAP_PROP_FRAME_HEIGHT))) isOutput = True if output_path != "" else False if isOutput: print("!!! TYPE:", type(output_path), type(video_FourCC), type(video_fps), type(video_size)) out = cv2.VideoWriter(output_path, video_FourCC, video_fps, video_size) accum_time = 0 curr_fps = 0 fps = "FPS: ??" prev_time = timer() while True: return_value, frame = vid.read() image = Image.fromarray(frame) image = yolo.detect_image(image) result = np.asarray(image) curr_time = timer() exec_time = curr_time - prev_time prev_time = curr_time accum_time = accum_time + exec_time curr_fps = curr_fps + 1 if accum_time > 1: accum_time = accum_time - 1 fps = "FPS: " + str(curr_fps) curr_fps = 0 cv2.putText(result, text=fps, org=(3, 15), fontFace=cv2.FONT_HERSHEY_SIMPLEX, fontScale=0.50, color=(255, 0, 0), thickness=2) cv2.namedWindow("result", cv2.WINDOW_NORMAL) cv2.imshow("result", result) if isOutput: out.write(result) if cv2.waitKey(1) & 0xFF == ord('q'): break yolo.close_session()
Example #25
Source File: utils.py From AdaIN-TF with MIT License | 5 votes |
def __init__(self, src=0, width=None, height=None): # initialize the video camera stream and read the first frame # from the stream self.stream = cv2.VideoCapture(src) if width is not None and height is not None: # Both are needed to change default dims self.stream.set(cv2.CAP_PROP_FRAME_WIDTH, width) self.stream.set(cv2.CAP_PROP_FRAME_HEIGHT, height) (self.ret, self.frame) = self.stream.read() # initialize the variable used to indicate if the thread should # be stopped self.stopped = False
Example #26
Source File: capture_video.py From pytorch_mpiigaze with MIT License | 5 votes |
def main(): parser = argparse.ArgumentParser() parser.add_argument('--output', '-o', type=str, default='videos') parser.add_argument('--cap-size', type=int, nargs=2, default=(640, 480)) args = parser.parse_args() cap = cv2.VideoCapture(0) width, height = args.cap_size cap.set(cv2.CAP_PROP_FRAME_WIDTH, width) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, height) output_dir = pathlib.Path(args.output) output_dir.mkdir(exist_ok=True, parents=True) output_path = output_dir / f'{create_timestamp()}.mp4' writer = cv2.VideoWriter(output_path.as_posix(), cv2.VideoWriter_fourcc(*'H264'), 30, (width, height)) while True: key = cv2.waitKey(1) & 0xff if key in QUIT_KEYS: break ok, frame = cap.read() if not ok: break writer.write(frame) cv2.imshow('frame', frame[:, ::-1]) cap.release() writer.release()
Example #27
Source File: demo.py From pytorch_mpiigaze with MIT License | 5 votes |
def _create_capture(self) -> cv2.VideoCapture: if self.config.demo.use_camera: cap = cv2.VideoCapture(0) elif self.config.demo.video_path: cap = cv2.VideoCapture(self.config.demo.video_path) else: raise ValueError cap.set(cv2.CAP_PROP_FRAME_WIDTH, self.gaze_estimator.camera.width) cap.set(cv2.CAP_PROP_FRAME_HEIGHT, self.gaze_estimator.camera.height) return cap
Example #28
Source File: rtsp2image.py From lightnet with MIT License | 5 votes |
def create_capture(args): cap = cv.VideoCapture(args.source) cap.set(cv.CAP_PROP_FRAME_WIDTH, args.w) cap.set(cv.CAP_PROP_FRAME_HEIGHT, args.h) if cap is None or not cap.isOpened(): print('Warning: unable to open video source: ', args.source) else: print('created capture') return cap
Example #29
Source File: video2video.py From Photomosaic-generator with MIT License | 5 votes |
def main(opt): cap = cv2.VideoCapture(opt.input) width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)) height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)) if opt.fps == 0: fps = int(cap.get(cv2.CAP_PROP_FPS)) else: fps = opt.fps out = cv2.VideoWriter(opt.output, cv2.VideoWriter_fourcc(*"XVID"), fps, (width, height)) images, avg_colors = get_component_images(opt.pool, opt.stride) while cap.isOpened(): flag, frame = cap.read() if not flag: break blank_image = np.zeros((height, width, 3), np.uint8) for i, j in product(range(int(width / opt.stride)), range(int(height / opt.stride))): partial_input_image = frame[j * opt.stride: (j + 1) * opt.stride, i * opt.stride: (i + 1) * opt.stride, :] partial_avg_color = np.sum(np.sum(partial_input_image, axis=0), axis=0) / (opt.stride ** 2) distance_matrix = np.linalg.norm(partial_avg_color - avg_colors, axis=1) idx = np.argmin(distance_matrix) blank_image[j * opt.stride: (j + 1) * opt.stride, i * opt.stride: (i + 1) * opt.stride, :] = images[idx] if opt.overlay_ratio: overlay = cv2.resize(frame, (int(width * opt.overlay_ratio), int(height * opt.overlay_ratio))) blank_image[height-int(height*opt.overlay_ratio):, width-int(width*opt.overlay_ratio):,:] = overlay out.write(blank_image) cap.release() out.release()
Example #30
Source File: camera_communicator.py From SenseAct with BSD 3-Clause "New" or "Revised" License | 5 votes |
def run(self): """Opening the video IO in the child process and invoke parent 'run' """ self._cap = cv.VideoCapture(self._device_id) if not self._cap.isOpened(): raise IOError("Unable to open camera on device id {}".format(self._device_id)) self._cap.set(cv.CAP_PROP_FRAME_WIDTH, self._res[0]) self._cap.set(cv.CAP_PROP_FRAME_HEIGHT, self._res[1]) # main process loop super(CameraCommunicator, self).run() # try to close the IO when the process end self._cap.release()