File size: 8,662 Bytes
51e2977
 
 
267a719
5a9bbeb
51e2977
 
 
 
 
 
 
 
 
5a9bbeb
 
e1695f2
51e2977
 
 
 
 
 
267a719
5a9bbeb
267a719
51e2977
 
 
 
 
 
 
d25bfc0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5a9bbeb
 
 
d25bfc0
51e2977
d25bfc0
 
 
 
 
 
 
e1695f2
 
51e2977
d25bfc0
 
 
51e2977
d25bfc0
51e2977
 
 
 
 
 
 
 
 
 
d25bfc0
51e2977
 
 
 
 
 
 
d25bfc0
51e2977
 
d25bfc0
 
 
 
 
 
51e2977
 
 
d25bfc0
 
 
 
 
 
 
51e2977
d25bfc0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5a9bbeb
 
 
51e2977
d25bfc0
 
 
 
 
 
 
e1695f2
 
 
 
d25bfc0
 
 
 
 
51e2977
d25bfc0
51e2977
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
d25bfc0
51e2977
 
 
 
 
 
 
 
 
 
 
 
 
d25bfc0
51e2977
 
 
 
 
 
d25bfc0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
from __future__ import annotations

import os
import pathlib
import shlex
import subprocess
import sys

if os.getenv('SYSTEM') == 'spaces':
    import mim

    mim.uninstall('mmcv-full', confirm_yes=True)
    mim.install('mmcv-full==1.5.0', is_yes=True)

    subprocess.run(shlex.split('pip uninstall -y opencv-python'))
    subprocess.run(shlex.split('pip uninstall -y opencv-python-headless'))
    subprocess.run(shlex.split('pip install opencv-python-headless==4.8.0.74'))

import huggingface_hub
import numpy as np
import torch
import torch.nn as nn

app_dir = pathlib.Path(__file__).parent
submodule_dir = app_dir / 'ViTPose'
sys.path.insert(0, submodule_dir.as_posix())

from mmdet.apis import inference_detector, init_detector
from mmpose.apis import (inference_top_down_pose_model, init_pose_model,
                         process_mmdet_results, vis_pose_result)


class DetModel:
    MODEL_DICT = {
        'YOLOX-tiny': {
            'config':
            'mmdet_configs/configs/yolox/yolox_tiny_8x8_300e_coco.py',
            'model':
            'https://download.openmmlab.com/mmdetection/v2.0/yolox/yolox_tiny_8x8_300e_coco/yolox_tiny_8x8_300e_coco_20211124_171234-b4047906.pth',
        },
        'YOLOX-s': {
            'config':
            'mmdet_configs/configs/yolox/yolox_s_8x8_300e_coco.py',
            'model':
            'https://download.openmmlab.com/mmdetection/v2.0/yolox/yolox_s_8x8_300e_coco/yolox_s_8x8_300e_coco_20211121_095711-4592a793.pth',
        },
        'YOLOX-l': {
            'config':
            'mmdet_configs/configs/yolox/yolox_l_8x8_300e_coco.py',
            'model':
            'https://download.openmmlab.com/mmdetection/v2.0/yolox/yolox_l_8x8_300e_coco/yolox_l_8x8_300e_coco_20211126_140236-d3bd2b23.pth',
        },
        'YOLOX-x': {
            'config':
            'mmdet_configs/configs/yolox/yolox_x_8x8_300e_coco.py',
            'model':
            'https://download.openmmlab.com/mmdetection/v2.0/yolox/yolox_x_8x8_300e_coco/yolox_x_8x8_300e_coco_20211126_140254-1ef88d67.pth',
        },
    }

    def __init__(self):
        self.device = torch.device(
            'cuda:0' if torch.cuda.is_available() else 'cpu')
        self._load_all_models_once()
        self.model_name = 'YOLOX-l'
        self.model = self._load_model(self.model_name)

    def _load_all_models_once(self) -> None:
        for name in self.MODEL_DICT:
            self._load_model(name)

    def _load_model(self, name: str) -> nn.Module:
        d = self.MODEL_DICT[name]
        return init_detector(d['config'], d['model'], device=self.device)

    def set_model(self, name: str) -> None:
        if name == self.model_name:
            return
        self.model_name = name
        self.model = self._load_model(name)

    def detect_and_visualize(
            self, image: np.ndarray,
            score_threshold: float) -> tuple[list[np.ndarray], np.ndarray]:
        out = self.detect(image)
        vis = self.visualize_detection_results(image, out, score_threshold)
        return out, vis

    def detect(self, image: np.ndarray) -> list[np.ndarray]:
        image = image[:, :, ::-1]  # RGB -> BGR
        out = inference_detector(self.model, image)
        return out

    def visualize_detection_results(
            self,
            image: np.ndarray,
            detection_results: list[np.ndarray],
            score_threshold: float = 0.3) -> np.ndarray:
        person_det = [detection_results[0]] + [np.array([]).reshape(0, 5)] * 79

        image = image[:, :, ::-1]  # RGB -> BGR
        vis = self.model.show_result(image,
                                     person_det,
                                     score_thr=score_threshold,
                                     bbox_color=None,
                                     text_color=(200, 200, 200),
                                     mask_color=None)
        return vis[:, :, ::-1]  # BGR -> RGB


class AppDetModel(DetModel):
    def run(self, model_name: str, image: np.ndarray,
            score_threshold: float) -> tuple[list[np.ndarray], np.ndarray]:
        self.set_model(model_name)
        return self.detect_and_visualize(image, score_threshold)


class PoseModel:
    MODEL_DICT = {
        'ViTPose-B (single-task train)': {
            'config':
            'ViTPose/configs/body/2d_kpt_sview_rgb_img/topdown_heatmap/coco/ViTPose_base_coco_256x192.py',
            'model': 'models/vitpose-b.pth',
        },
        'ViTPose-L (single-task train)': {
            'config':
            'ViTPose/configs/body/2d_kpt_sview_rgb_img/topdown_heatmap/coco/ViTPose_large_coco_256x192.py',
            'model': 'models/vitpose-l.pth',
        },
        'ViTPose-B (multi-task train, COCO)': {
            'config':
            'ViTPose/configs/body/2d_kpt_sview_rgb_img/topdown_heatmap/coco/ViTPose_base_coco_256x192.py',
            'model': 'models/vitpose-b-multi-coco.pth',
        },
        'ViTPose-L (multi-task train, COCO)': {
            'config':
            'ViTPose/configs/body/2d_kpt_sview_rgb_img/topdown_heatmap/coco/ViTPose_large_coco_256x192.py',
            'model': 'models/vitpose-l-multi-coco.pth',
        },
    }

    def __init__(self):
        self.device = torch.device(
            'cuda:0' if torch.cuda.is_available() else 'cpu')
        self.model_name = 'ViTPose-B (multi-task train, COCO)'
        self.model = self._load_model(self.model_name)

    def _load_all_models_once(self) -> None:
        for name in self.MODEL_DICT:
            self._load_model(name)

    def _load_model(self, name: str) -> nn.Module:
        d = self.MODEL_DICT[name]
        ckpt_path = huggingface_hub.hf_hub_download('public-data/ViTPose',
                                                    d['model'])
        model = init_pose_model(d['config'], ckpt_path, device=self.device)
        return model

    def set_model(self, name: str) -> None:
        if name == self.model_name:
            return
        self.model_name = name
        self.model = self._load_model(name)

    def predict_pose_and_visualize(
        self,
        image: np.ndarray,
        det_results: list[np.ndarray],
        box_score_threshold: float,
        kpt_score_threshold: float,
        vis_dot_radius: int,
        vis_line_thickness: int,
    ) -> tuple[list[dict[str, np.ndarray]], np.ndarray]:
        out = self.predict_pose(image, det_results, box_score_threshold)
        vis = self.visualize_pose_results(image, out, kpt_score_threshold,
                                          vis_dot_radius, vis_line_thickness)
        return out, vis

    def predict_pose(
            self,
            image: np.ndarray,
            det_results: list[np.ndarray],
            box_score_threshold: float = 0.5) -> list[dict[str, np.ndarray]]:
        image = image[:, :, ::-1]  # RGB -> BGR
        person_results = process_mmdet_results(det_results, 1)
        out, _ = inference_top_down_pose_model(self.model,
                                               image,
                                               person_results=person_results,
                                               bbox_thr=box_score_threshold,
                                               format='xyxy')
        return out

    def visualize_pose_results(self,
                               image: np.ndarray,
                               pose_results: list[np.ndarray],
                               kpt_score_threshold: float = 0.3,
                               vis_dot_radius: int = 4,
                               vis_line_thickness: int = 1) -> np.ndarray:
        image = image[:, :, ::-1]  # RGB -> BGR
        vis = vis_pose_result(self.model,
                              image,
                              pose_results,
                              kpt_score_thr=kpt_score_threshold,
                              radius=vis_dot_radius,
                              thickness=vis_line_thickness)
        return vis[:, :, ::-1]  # BGR -> RGB


class AppPoseModel(PoseModel):
    def run(
        self, model_name: str, image: np.ndarray,
        det_results: list[np.ndarray], box_score_threshold: float,
        kpt_score_threshold: float, vis_dot_radius: int,
        vis_line_thickness: int
    ) -> tuple[list[dict[str, np.ndarray]], np.ndarray]:
        self.set_model(model_name)
        return self.predict_pose_and_visualize(image, det_results,
                                               box_score_threshold,
                                               kpt_score_threshold,
                                               vis_dot_radius,
                                               vis_line_thickness)