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import argparse
from pathlib import Path
import cv2
import numpy as np
from config import COLORS, SKELETON, KPS_COLORS, LIMB_COLORS
from models.utils import blob, letterbox, path_to_list, pose_postprocess
def main(args: argparse.Namespace) -> None:
if args.method == 'cudart':
from models.cudart_api import TRTEngine
elif args.method == 'pycuda':
from models.pycuda_api import TRTEngine
else:
raise NotImplementedError
Engine = TRTEngine(args.engine)
H, W = Engine.inp_info[0].shape[-2:]
images = path_to_list(args.imgs)
save_path = Path(args.out_dir)
if not args.show and not save_path.exists():
save_path.mkdir(parents=True, exist_ok=True)
for image in images:
save_image = save_path / image.name
bgr = cv2.imread(str(image))
draw = bgr.copy()
bgr, ratio, dwdh = letterbox(bgr, (W, H))
dw, dh = int(dwdh[0]), int(dwdh[1])
rgb = cv2.cvtColor(bgr, cv2.COLOR_BGR2RGB)
tensor = blob(rgb, return_seg=False)
dwdh = np.array(dwdh * 2, dtype=np.float32)
tensor = np.ascontiguousarray(tensor)
# inference
data = Engine(tensor)
bboxes, scores, kpts = pose_postprocess(
data,args.conf_thres, args.iou_thres)
bboxes -= dwdh
bboxes /= ratio
for (bbox, score, kpt) in zip(bboxes, scores, kpts):
bbox = bbox.round().astype(np.int32).tolist()
color = COLORS['person']
cv2.rectangle(draw, bbox[:2], bbox[2:], color, 2)
cv2.putText(draw,
f'person:{score:.3f}', (bbox[0], bbox[1] - 2),
cv2.FONT_HERSHEY_SIMPLEX,
0.75, [225, 255, 255],
thickness=2)
for i in range(19):
if i < 17:
px, py, ps = kpt[i]
if ps > 0.5:
kcolor = KPS_COLORS[i]
px = round(float(px - dw) / ratio)
py = round(float(py - dh) / ratio)
cv2.circle(draw, (px, py), 5, kcolor, -1)
xi, yi = SKELETON[i]
pos1_s = kpt[xi - 1][2]
pos2_s = kpt[yi - 1][2]
if pos1_s > 0.5 and pos2_s > 0.5:
limb_color = LIMB_COLORS[i]
pos1_x = round(float(kpt[xi - 1][0] - dw) / ratio)
pos1_y = round(float(kpt[xi - 1][1] - dh) / ratio)
pos2_x = round(float(kpt[yi - 1][0] - dw) / ratio)
pos2_y = round(float(kpt[yi - 1][1] - dh) / ratio)
cv2.line(draw, (pos1_x, pos1_y), (pos2_x, pos2_y), limb_color, 2)
if args.show:
cv2.imshow('result', draw)
cv2.waitKey(0)
else:
cv2.imwrite(str(save_image), draw)
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('--engine', type=str, help='Engine file')
parser.add_argument('--imgs', type=str, help='Images file')
parser.add_argument('--show',
action='store_true',
help='Show the detection results')
parser.add_argument('--out-dir',
type=str,
default='./output',
help='Path to output file')
parser.add_argument('--conf-thres',
type=float,
default=0.25,
help='Confidence threshold')
parser.add_argument('--iou-thres',
type=float,
default=0.65,
help='Confidence threshold')
parser.add_argument('--method',
type=str,
default='cudart',
help='CUDART pipeline')
args = parser.parse_args()
return args
if __name__ == '__main__':
args = parse_args()
main(args)