File size: 2,688 Bytes
690f890 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 |
# -*- coding: utf-8 -*-
# Copyright (c) Alibaba, Inc. and its affiliates.
import cv2
import numpy as np
import onnxruntime as ort
from .onnxdet import inference_detector
from .onnxpose import inference_pose
def HWC3(x):
assert x.dtype == np.uint8
if x.ndim == 2:
x = x[:, :, None]
assert x.ndim == 3
H, W, C = x.shape
assert C == 1 or C == 3 or C == 4
if C == 3:
return x
if C == 1:
return np.concatenate([x, x, x], axis=2)
if C == 4:
color = x[:, :, 0:3].astype(np.float32)
alpha = x[:, :, 3:4].astype(np.float32) / 255.0
y = color * alpha + 255.0 * (1.0 - alpha)
y = y.clip(0, 255).astype(np.uint8)
return y
def resize_image(input_image, resolution):
H, W, C = input_image.shape
H = float(H)
W = float(W)
k = float(resolution) / min(H, W)
H *= k
W *= k
H = int(np.round(H / 64.0)) * 64
W = int(np.round(W / 64.0)) * 64
img = cv2.resize(input_image, (W, H), interpolation=cv2.INTER_LANCZOS4 if k > 1 else cv2.INTER_AREA)
return img
class Wholebody:
def __init__(self, onnx_det, onnx_pose, device = 'cuda:0'):
providers = ['CPUExecutionProvider'
] if device == 'cpu' else ['CUDAExecutionProvider']
# onnx_det = 'annotator/ckpts/yolox_l.onnx'
# onnx_pose = 'annotator/ckpts/dw-ll_ucoco_384.onnx'
self.session_det = ort.InferenceSession(path_or_bytes=onnx_det, providers=providers)
self.session_pose = ort.InferenceSession(path_or_bytes=onnx_pose, providers=providers)
def __call__(self, ori_img):
det_result = inference_detector(self.session_det, ori_img)
keypoints, scores = inference_pose(self.session_pose, det_result, ori_img)
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, det_result
|