diff options
Diffstat (limited to 'python/pyarmnn/examples/object_detection/run_video_stream.py')
-rw-r--r-- | python/pyarmnn/examples/object_detection/run_video_stream.py | 82 |
1 files changed, 68 insertions, 14 deletions
diff --git a/python/pyarmnn/examples/object_detection/run_video_stream.py b/python/pyarmnn/examples/object_detection/run_video_stream.py index dba615b97e..7b6ef253b2 100644 --- a/python/pyarmnn/examples/object_detection/run_video_stream.py +++ b/python/pyarmnn/examples/object_detection/run_video_stream.py @@ -9,20 +9,20 @@ and displays a window with the latest processed frame. import os import sys + script_dir = os.path.dirname(__file__) sys.path.insert(1, os.path.join(script_dir, '..', 'common')) import cv2 from argparse import ArgumentParser - from ssd import ssd_processing, ssd_resize_factor from yolo import yolo_processing, yolo_resize_factor -from utils import dict_labels +from utils import dict_labels, Profiling from cv_utils import init_video_stream_capture, preprocess, draw_bounding_boxes -from network_executor import ArmnnNetworkExecutor +import style_transfer -def get_model_processing(model_name: str, video: cv2.VideoCapture, input_binding_info: tuple): +def get_model_processing(model_name: str, video: cv2.VideoCapture, input_data_shape: tuple): """ Gets model-specific information such as model labels and decoding and processing functions. The user can include their own network and functions by adding another statement. @@ -30,7 +30,7 @@ def get_model_processing(model_name: str, video: cv2.VideoCapture, input_binding Args: model_name: Name of type of supported model. video: Video capture object, contains information about data source. - input_binding_info: Contains shape of model input layer, used for scaling bounding boxes. + input_data_shape: Contains shape of model input layer, used for scaling bounding boxes. Returns: Model labels, decoding and processing functions. @@ -38,33 +38,71 @@ def get_model_processing(model_name: str, video: cv2.VideoCapture, input_binding if model_name == 'ssd_mobilenet_v1': return ssd_processing, ssd_resize_factor(video) elif model_name == 'yolo_v3_tiny': - return yolo_processing, yolo_resize_factor(video, input_binding_info) + return yolo_processing, yolo_resize_factor(video, input_data_shape) else: raise ValueError(f'{model_name} is not a valid model name') def main(args): - video = init_video_stream_capture(args.video_source) - executor = ArmnnNetworkExecutor(args.model_file_path, args.preferred_backends) + enable_profile = args.profiling_enabled == "true" + action_profiler = Profiling(enable_profile) + action_profiler.profiling_start() + + if args.tflite_delegate_path is not None: + from network_executor_tflite import TFLiteNetworkExecutor as NetworkExecutor + exec_input_args = (args.model_file_path, args.preferred_backends, args.tflite_delegate_path) + else: + from network_executor import ArmnnNetworkExecutor as NetworkExecutor + exec_input_args = (args.model_file_path, args.preferred_backends) + + executor = NetworkExecutor(*exec_input_args) + action_profiler.profiling_stop_and_print_us("Executor initialization") + + action_profiler.profiling_start() + video = init_video_stream_capture(args.video_source) + action_profiler.profiling_stop_and_print_us("Video initialization") model_name = args.model_name - process_output, resize_factor = get_model_processing(args.model_name, video, executor.input_binding_info) + process_output, resize_factor = get_model_processing(args.model_name, video, executor.get_shape()) labels = dict_labels(args.label_path, include_rgb=True) + if all(element is not None for element in [args.style_predict_model_file_path, + args.style_transfer_model_file_path, + args.style_image_path, args.style_transfer_class]): + style_image = cv2.imread(args.style_image_path) + action_profiler.profiling_start() + style_transfer_executor = style_transfer.StyleTransfer(args.style_predict_model_file_path, + args.style_transfer_model_file_path, + style_image, args.preferred_backends, + args.tflite_delegate_path) + action_profiler.profiling_stop_and_print_us("Style Transfer Executor initialization") + while True: frame_present, frame = video.read() frame = cv2.flip(frame, 1) # Horizontally flip the frame if not frame_present: raise RuntimeError('Error reading frame from video stream') + action_profiler.profiling_start() if model_name == "ssd_mobilenet_v1": - input_tensors = preprocess(frame, executor.input_binding_info, True) + input_data = preprocess(frame, executor.get_data_type(), executor.get_shape(), True) else: - input_tensors = preprocess(frame, executor.input_binding_info, False) - print("Running inference...") - output_result = executor.run(input_tensors) + input_data = preprocess(frame, executor.get_data_type(), executor.get_shape(), False) + + output_result = executor.run([input_data]) + if not enable_profile: + print("Running inference...") + action_profiler.profiling_stop_and_print_us("Running inference...") detections = process_output(output_result) - draw_bounding_boxes(frame, detections, resize_factor, labels) + if all(element is not None for element in [args.style_predict_model_file_path, + args.style_transfer_model_file_path, + args.style_image_path, args.style_transfer_class]): + action_profiler.profiling_start() + frame = style_transfer.create_stylized_detection(style_transfer_executor, args.style_transfer_class, + frame, detections, resize_factor, labels) + action_profiler.profiling_stop_and_print_us("Running Style Transfer") + else: + draw_bounding_boxes(frame, detections, resize_factor, labels) cv2.imshow('PyArmNN Object Detection Demo', frame) if cv2.waitKey(1) == 27: print('\nExit key activated. Closing video...') @@ -86,5 +124,21 @@ if __name__ == '__main__': help='Takes the preferred backends in preference order, separated by whitespace, ' 'for example: CpuAcc GpuAcc CpuRef. Accepted options: [CpuAcc, CpuRef, GpuAcc]. ' 'Defaults to [CpuAcc, CpuRef]') + parser.add_argument('--tflite_delegate_path', type=str, + help='Enter TensorFlow Lite Delegate file path (.so file). If not entered,' + 'will use armnn executor') + parser.add_argument('--profiling_enabled', type=str, + help='[OPTIONAL] Enabling this option will print important ML related milestones timing' + 'information in micro-seconds. By default, this option is disabled.' + 'Accepted options are true/false.') + parser.add_argument('--style_predict_model_file_path', type=str, + help='Path to the style prediction model to use') + parser.add_argument('--style_transfer_model_file_path', type=str, + help='Path to the style transfer model to use') + parser.add_argument('--style_image_path', type=str, + help='Path to the style image to create stylized frames') + parser.add_argument('--style_transfer_class', type=str, + help='A class to transform its style') + args = parser.parse_args() main(args) |