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demo.py
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demo.py
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import cv2
import numpy as np
import time
from utils.yolo import YoloTRT, preprocess
from utils.plots import *
from utils.camera import *
def demo_image():
img = cv2.imread("samples/0000001_02999_d_0000005.jpg")
yolo = YoloTRT('models/s-default-352x608.yaml')
for _ in range(50):
boxes, confs, classes = yolo.detect(img)
print('#det:', len(boxes), ', time(total, pre, infer, post):', *[int(t*1000) for t in yolo.timer])
draw_results(img, boxes, confs, classes, names=yolo.names)
cv2.imwrite('result.jpg', img)
def demo_camera():
yolo = YoloTRT('models/s-default-352x608.yaml')
input_src = jetson_gstreamer_pipeline(display_width=yolo.input_w, display_height=yolo.input_w*9//16) # my camera is 16:9
video_reader = WebcamVideoStream()
video_reader.start(input_src)
try:
while video_reader.running:
frame = video_reader.read()
out = yolo.detect(frame)
draw_results(frame, *out, names=yolo.names)
plot_text((0, 50), frame, text='#det:{}, time(total, pre, infer, post): {} {} {} {}'.format(
len(out[0]), *[int(t*1000) for t in yolo.timer]), color=(255, 0, 0))
cv2.imshow('', frame)
if cv2.waitKey(1) & 0xFF == ord('q'): # press q to quit
break
finally:
video_reader.stop()
def demo_camera_hide_preprocess_delay():
yolo = YoloTRT('models/s-default-352x608.yaml')
input_src = jetson_gstreamer_pipeline(display_width=yolo.input_w, display_height=yolo.input_w*9//16) # my camera is 16:9
video_reader = WebcamVideoStream(preprocess=preprocess, pre_args=(yolo.input_h, yolo.input_w, not yolo.incl_norm))
video_reader.start(input_src)
try:
while video_reader.running:
frame, frame_p = video_reader.read()
out = yolo.detect((frame, frame_p), pre=False)
draw_results(frame, *out, names=yolo.names)
plot_text((0, 50), frame, text='#det:{}, time(total, pre, infer, post): {} {} {} {}'.format(
len(out[0]), *[int(t*1000) for t in yolo.timer]), color=(255, 0, 0))
cv2.imshow('', frame)
if cv2.waitKey(1) & 0xFF == ord('q'): # press q to quit
break
finally:
video_reader.stop()
if __name__ == '__main__':
demo_image()
# demo_camera()
# demo_camera_hide_preprocess_delay()