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import numpy as np
import onnxruntime as ort
from .onnxdet import inference_detector
from .onnxpose import inference_pose
class Wholebody:
"""detect human pose by dwpose
"""
def __init__(self, model_det, model_pose, device="cpu"):
providers = ['CPUExecutionProvider'] if device == 'cpu' else ['CUDAExecutionProvider']
provider_options = None if device == 'cpu' else [{'device_id': 0}]
self.session_det = ort.InferenceSession(
path_or_bytes=model_det, providers=providers, provider_options=provider_options
)
self.session_pose = ort.InferenceSession(
path_or_bytes=model_pose, providers=providers, provider_options=provider_options
)
def __call__(self, oriImg):
"""call to process dwpose-detect
Args:
oriImg (np.ndarray): detected image
"""
det_result = inference_detector(self.session_det, oriImg)
keypoints, scores = inference_pose(self.session_pose, det_result, oriImg)
keypoints_info = np.concatenate(
(keypoints, scores[..., None]), axis=-1)
# compute neck joint
neck = np.mean(keypoints_info[:, [5, 6]], axis=1)
# neck score when visualizing pred
neck[:, 2:4] = np.logical_and(
keypoints_info[:, 5, 2:4] > 0.3,
keypoints_info[:, 6, 2:4] > 0.3).astype(int)
new_keypoints_info = np.insert(
keypoints_info, 17, neck, axis=1)
mmpose_idx = [
17, 6, 8, 10, 7, 9, 12, 14, 16, 13, 15, 2, 1, 4, 3
]
openpose_idx = [
1, 2, 3, 4, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17
]
new_keypoints_info[:, openpose_idx] = \
new_keypoints_info[:, mmpose_idx]
keypoints_info = new_keypoints_info
keypoints, scores = keypoints_info[
..., :2], keypoints_info[..., 2]
return keypoints, scores