Spaces:
Running
Running
File size: 23,393 Bytes
44c2095 |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 |
import time
import cv2
import numpy as np
from utils import find_angle, get_landmark_features, draw_text, draw_dotted_line
class ProcessFrame:
def __init__(self, thresholds, flip_frame = False):
# Set if frame should be flipped or not.
self.flip_frame = flip_frame
# self.thresholds
self.thresholds = thresholds
# Font type.
self.font = cv2.FONT_HERSHEY_SIMPLEX
# line type
self.linetype = cv2.LINE_AA
# set radius to draw arc
self.radius = 20
# Colors in BGR format.
self.COLORS = {
'blue' : (0, 127, 255),
'red' : (255, 50, 50),
'green' : (0, 255, 127),
'light_green': (100, 233, 127),
'yellow' : (255, 255, 0),
'magenta' : (255, 0, 255),
'white' : (255,255,255),
'cyan' : (0, 255, 255),
'light_blue' : (102, 204, 255)
}
# Dictionary to maintain the various landmark features.
self.dict_features = {}
self.left_features = {
'shoulder': 11,
'elbow' : 13,
'wrist' : 15,
'hip' : 23,
'knee' : 25,
'ankle' : 27,
'foot' : 31
}
self.right_features = {
'shoulder': 12,
'elbow' : 14,
'wrist' : 16,
'hip' : 24,
'knee' : 26,
'ankle' : 28,
'foot' : 32
}
self.dict_features['left'] = self.left_features
self.dict_features['right'] = self.right_features
self.dict_features['nose'] = 0
# For tracking counters and sharing states in and out of callbacks.
self.state_tracker = {
'state_seq': [],
'start_inactive_time': time.perf_counter(),
'start_inactive_time_front': time.perf_counter(),
'INACTIVE_TIME': 0.0,
'INACTIVE_TIME_FRONT': 0.0,
# 0 --> Bend Backwards, 1 --> Bend Forward, 2 --> Keep shin straight, 3 --> Deep squat
'DISPLAY_TEXT' : np.full((4,), False),
'COUNT_FRAMES' : np.zeros((4,), dtype=np.int64),
'LOWER_HIPS': False,
'INCORRECT_POSTURE': False,
'prev_state': None,
'curr_state':None,
'SQUAT_COUNT': 0,
'IMPROPER_SQUAT':0
}
self.FEEDBACK_ID_MAP = {
0: ('BEND BACKWARDS', 215, (0, 153, 255)),
1: ('BEND FORWARD', 215, (0, 153, 255)),
2: ('KNEE FALLING OVER TOE', 170, (255, 80, 80)),
3: ('SQUAT TOO DEEP', 125, (255, 80, 80))
}
def _get_state(self, knee_angle):
knee = None
if self.thresholds['HIP_KNEE_VERT']['NORMAL'][0] <= knee_angle <= self.thresholds['HIP_KNEE_VERT']['NORMAL'][1]:
knee = 1
elif self.thresholds['HIP_KNEE_VERT']['TRANS'][0] <= knee_angle <= self.thresholds['HIP_KNEE_VERT']['TRANS'][1]:
knee = 2
elif self.thresholds['HIP_KNEE_VERT']['PASS'][0] <= knee_angle <= self.thresholds['HIP_KNEE_VERT']['PASS'][1]:
knee = 3
return f's{knee}' if knee else None
def _update_state_sequence(self, state):
if state == 's2':
if (('s3' not in self.state_tracker['state_seq']) and (self.state_tracker['state_seq'].count('s2'))==0) or \
(('s3' in self.state_tracker['state_seq']) and (self.state_tracker['state_seq'].count('s2')==1)):
self.state_tracker['state_seq'].append(state)
elif state == 's3':
if (state not in self.state_tracker['state_seq']) and 's2' in self.state_tracker['state_seq']:
self.state_tracker['state_seq'].append(state)
def _show_feedback(self, frame, c_frame, dict_maps, lower_hips_disp):
if lower_hips_disp:
draw_text(
frame,
'LOWER YOUR HIPS',
pos=(30, 80),
text_color=(0, 0, 0),
font_scale=0.6,
text_color_bg=(255, 255, 0)
)
for idx in np.where(c_frame)[0]:
draw_text(
frame,
dict_maps[idx][0],
pos=(30, dict_maps[idx][1]),
text_color=(255, 255, 230),
font_scale=0.6,
text_color_bg=dict_maps[idx][2]
)
return frame
def process(self, frame: np.array, pose):
play_sound = None
frame_height, frame_width, _ = frame.shape
# Process the image.
keypoints = pose.process(frame)
if keypoints.pose_landmarks:
ps_lm = keypoints.pose_landmarks
nose_coord = get_landmark_features(ps_lm.landmark, self.dict_features, 'nose', frame_width, frame_height)
left_shldr_coord, left_elbow_coord, left_wrist_coord, left_hip_coord, left_knee_coord, left_ankle_coord, left_foot_coord = \
get_landmark_features(ps_lm.landmark, self.dict_features, 'left', frame_width, frame_height)
right_shldr_coord, right_elbow_coord, right_wrist_coord, right_hip_coord, right_knee_coord, right_ankle_coord, right_foot_coord = \
get_landmark_features(ps_lm.landmark, self.dict_features, 'right', frame_width, frame_height)
offset_angle = find_angle(left_shldr_coord, right_shldr_coord, nose_coord)
if offset_angle > self.thresholds['OFFSET_THRESH']:
display_inactivity = False
end_time = time.perf_counter()
self.state_tracker['INACTIVE_TIME_FRONT'] += end_time - self.state_tracker['start_inactive_time_front']
self.state_tracker['start_inactive_time_front'] = end_time
if self.state_tracker['INACTIVE_TIME_FRONT'] >= self.thresholds['INACTIVE_THRESH']:
self.state_tracker['SQUAT_COUNT'] = 0
self.state_tracker['IMPROPER_SQUAT'] = 0
display_inactivity = True
cv2.circle(frame, nose_coord, 7, self.COLORS['white'], -1)
cv2.circle(frame, left_shldr_coord, 7, self.COLORS['yellow'], -1)
cv2.circle(frame, right_shldr_coord, 7, self.COLORS['magenta'], -1)
if self.flip_frame:
frame = cv2.flip(frame, 1)
if display_inactivity:
# cv2.putText(frame, 'Resetting SQUAT_COUNT due to inactivity!!!', (10, frame_height - 90),
# self.font, 0.5, self.COLORS['blue'], 2, lineType=self.linetype)
play_sound = 'reset_counters'
self.state_tracker['INACTIVE_TIME_FRONT'] = 0.0
self.state_tracker['start_inactive_time_front'] = time.perf_counter()
draw_text(
frame,
"CORRECT: " + str(self.state_tracker['SQUAT_COUNT']),
pos=(int(frame_width*0.68), 30),
text_color=(255, 255, 230),
font_scale=0.7,
text_color_bg=(18, 185, 0)
)
draw_text(
frame,
"INCORRECT: " + str(self.state_tracker['IMPROPER_SQUAT']),
pos=(int(frame_width*0.68), 80),
text_color=(255, 255, 230),
font_scale=0.7,
text_color_bg=(221, 0, 0),
)
draw_text(
frame,
'CAMERA NOT ALIGNED PROPERLY!!!',
pos=(30, frame_height-60),
text_color=(255, 255, 230),
font_scale=0.65,
text_color_bg=(255, 153, 0),
)
draw_text(
frame,
'OFFSET ANGLE: '+str(offset_angle),
pos=(30, frame_height-30),
text_color=(255, 255, 230),
font_scale=0.65,
text_color_bg=(255, 153, 0),
)
# Reset inactive times for side view.
self.state_tracker['start_inactive_time'] = time.perf_counter()
self.state_tracker['INACTIVE_TIME'] = 0.0
self.state_tracker['prev_state'] = None
self.state_tracker['curr_state'] = None
# Camera is aligned properly.
else:
self.state_tracker['INACTIVE_TIME_FRONT'] = 0.0
self.state_tracker['start_inactive_time_front'] = time.perf_counter()
dist_l_sh_hip = abs(left_foot_coord[1]- left_shldr_coord[1])
dist_r_sh_hip = abs(right_foot_coord[1] - right_shldr_coord)[1]
shldr_coord = None
elbow_coord = None
wrist_coord = None
hip_coord = None
knee_coord = None
ankle_coord = None
foot_coord = None
if dist_l_sh_hip > dist_r_sh_hip:
shldr_coord = left_shldr_coord
elbow_coord = left_elbow_coord
wrist_coord = left_wrist_coord
hip_coord = left_hip_coord
knee_coord = left_knee_coord
ankle_coord = left_ankle_coord
foot_coord = left_foot_coord
multiplier = -1
else:
shldr_coord = right_shldr_coord
elbow_coord = right_elbow_coord
wrist_coord = right_wrist_coord
hip_coord = right_hip_coord
knee_coord = right_knee_coord
ankle_coord = right_ankle_coord
foot_coord = right_foot_coord
multiplier = 1
# ------------------- Verical Angle calculation --------------
hip_vertical_angle = find_angle(shldr_coord, np.array([hip_coord[0], 0]), hip_coord)
cv2.ellipse(frame, hip_coord, (30, 30),
angle = 0, startAngle = -90, endAngle = -90+multiplier*hip_vertical_angle,
color = self.COLORS['white'], thickness = 3, lineType = self.linetype)
draw_dotted_line(frame, hip_coord, start=hip_coord[1]-80, end=hip_coord[1]+20, line_color=self.COLORS['blue'])
knee_vertical_angle = find_angle(hip_coord, np.array([knee_coord[0], 0]), knee_coord)
cv2.ellipse(frame, knee_coord, (20, 20),
angle = 0, startAngle = -90, endAngle = -90-multiplier*knee_vertical_angle,
color = self.COLORS['white'], thickness = 3, lineType = self.linetype)
draw_dotted_line(frame, knee_coord, start=knee_coord[1]-50, end=knee_coord[1]+20, line_color=self.COLORS['blue'])
ankle_vertical_angle = find_angle(knee_coord, np.array([ankle_coord[0], 0]), ankle_coord)
cv2.ellipse(frame, ankle_coord, (30, 30),
angle = 0, startAngle = -90, endAngle = -90 + multiplier*ankle_vertical_angle,
color = self.COLORS['white'], thickness = 3, lineType=self.linetype)
draw_dotted_line(frame, ankle_coord, start=ankle_coord[1]-50, end=ankle_coord[1]+20, line_color=self.COLORS['blue'])
# ------------------------------------------------------------
# Join landmarks.
cv2.line(frame, shldr_coord, elbow_coord, self.COLORS['light_blue'], 4, lineType=self.linetype)
cv2.line(frame, wrist_coord, elbow_coord, self.COLORS['light_blue'], 4, lineType=self.linetype)
cv2.line(frame, shldr_coord, hip_coord, self.COLORS['light_blue'], 4, lineType=self.linetype)
cv2.line(frame, knee_coord, hip_coord, self.COLORS['light_blue'], 4, lineType=self.linetype)
cv2.line(frame, ankle_coord, knee_coord,self.COLORS['light_blue'], 4, lineType=self.linetype)
cv2.line(frame, ankle_coord, foot_coord, self.COLORS['light_blue'], 4, lineType=self.linetype)
# Plot landmark points
cv2.circle(frame, shldr_coord, 7, self.COLORS['yellow'], -1, lineType=self.linetype)
cv2.circle(frame, elbow_coord, 7, self.COLORS['yellow'], -1, lineType=self.linetype)
cv2.circle(frame, wrist_coord, 7, self.COLORS['yellow'], -1, lineType=self.linetype)
cv2.circle(frame, hip_coord, 7, self.COLORS['yellow'], -1, lineType=self.linetype)
cv2.circle(frame, knee_coord, 7, self.COLORS['yellow'], -1, lineType=self.linetype)
cv2.circle(frame, ankle_coord, 7, self.COLORS['yellow'], -1, lineType=self.linetype)
cv2.circle(frame, foot_coord, 7, self.COLORS['yellow'], -1, lineType=self.linetype)
current_state = self._get_state(int(knee_vertical_angle))
self.state_tracker['curr_state'] = current_state
self._update_state_sequence(current_state)
# -------------------------------------- COMPUTE COUNTERS --------------------------------------
if current_state == 's1':
if len(self.state_tracker['state_seq']) == 3 and not self.state_tracker['INCORRECT_POSTURE']:
self.state_tracker['SQUAT_COUNT']+=1
play_sound = str(self.state_tracker['SQUAT_COUNT'])
elif 's2' in self.state_tracker['state_seq'] and len(self.state_tracker['state_seq'])==1:
self.state_tracker['IMPROPER_SQUAT']+=1
play_sound = 'incorrect'
elif self.state_tracker['INCORRECT_POSTURE']:
self.state_tracker['IMPROPER_SQUAT']+=1
play_sound = 'incorrect'
self.state_tracker['state_seq'] = []
self.state_tracker['INCORRECT_POSTURE'] = False
# ----------------------------------------------------------------------------------------------------
# -------------------------------------- PERFORM FEEDBACK ACTIONS --------------------------------------
else:
if hip_vertical_angle > self.thresholds['HIP_THRESH'][1]:
self.state_tracker['DISPLAY_TEXT'][0] = True
elif hip_vertical_angle < self.thresholds['HIP_THRESH'][0] and \
self.state_tracker['state_seq'].count('s2')==1:
self.state_tracker['DISPLAY_TEXT'][1] = True
if self.thresholds['KNEE_THRESH'][0] < knee_vertical_angle < self.thresholds['KNEE_THRESH'][1] and \
self.state_tracker['state_seq'].count('s2')==1:
self.state_tracker['LOWER_HIPS'] = True
elif knee_vertical_angle > self.thresholds['KNEE_THRESH'][2]:
self.state_tracker['DISPLAY_TEXT'][3] = True
self.state_tracker['INCORRECT_POSTURE'] = True
if (ankle_vertical_angle > self.thresholds['ANKLE_THRESH']):
self.state_tracker['DISPLAY_TEXT'][2] = True
self.state_tracker['INCORRECT_POSTURE'] = True
# ----------------------------------------------------------------------------------------------------
# ----------------------------------- COMPUTE INACTIVITY ---------------------------------------------
display_inactivity = False
if self.state_tracker['curr_state'] == self.state_tracker['prev_state']:
end_time = time.perf_counter()
self.state_tracker['INACTIVE_TIME'] += end_time - self.state_tracker['start_inactive_time']
self.state_tracker['start_inactive_time'] = end_time
if self.state_tracker['INACTIVE_TIME'] >= self.thresholds['INACTIVE_THRESH']:
self.state_tracker['SQUAT_COUNT'] = 0
self.state_tracker['IMPROPER_SQUAT'] = 0
display_inactivity = True
else:
self.state_tracker['start_inactive_time'] = time.perf_counter()
self.state_tracker['INACTIVE_TIME'] = 0.0
# -------------------------------------------------------------------------------------------------------
hip_text_coord_x = hip_coord[0] + 10
knee_text_coord_x = knee_coord[0] + 15
ankle_text_coord_x = ankle_coord[0] + 10
if self.flip_frame:
frame = cv2.flip(frame, 1)
hip_text_coord_x = frame_width - hip_coord[0] + 10
knee_text_coord_x = frame_width - knee_coord[0] + 15
ankle_text_coord_x = frame_width - ankle_coord[0] + 10
if 's3' in self.state_tracker['state_seq'] or current_state == 's1':
self.state_tracker['LOWER_HIPS'] = False
self.state_tracker['COUNT_FRAMES'][self.state_tracker['DISPLAY_TEXT']]+=1
frame = self._show_feedback(frame, self.state_tracker['COUNT_FRAMES'], self.FEEDBACK_ID_MAP, self.state_tracker['LOWER_HIPS'])
if display_inactivity:
# cv2.putText(frame, 'Resetting COUNTERS due to inactivity!!!', (10, frame_height - 20), self.font, 0.5, self.COLORS['blue'], 2, lineType=self.linetype)
play_sound = 'reset_counters'
self.state_tracker['start_inactive_time'] = time.perf_counter()
self.state_tracker['INACTIVE_TIME'] = 0.0
cv2.putText(frame, str(int(hip_vertical_angle)), (hip_text_coord_x, hip_coord[1]), self.font, 0.6, self.COLORS['light_green'], 2, lineType=self.linetype)
cv2.putText(frame, str(int(knee_vertical_angle)), (knee_text_coord_x, knee_coord[1]+10), self.font, 0.6, self.COLORS['light_green'], 2, lineType=self.linetype)
cv2.putText(frame, str(int(ankle_vertical_angle)), (ankle_text_coord_x, ankle_coord[1]), self.font, 0.6, self.COLORS['light_green'], 2, lineType=self.linetype)
draw_text(
frame,
"CORRECT: " + str(self.state_tracker['SQUAT_COUNT']),
pos=(int(frame_width*0.68), 30),
text_color=(255, 255, 230),
font_scale=0.7,
text_color_bg=(18, 185, 0)
)
draw_text(
frame,
"INCORRECT: " + str(self.state_tracker['IMPROPER_SQUAT']),
pos=(int(frame_width*0.68), 80),
text_color=(255, 255, 230),
font_scale=0.7,
text_color_bg=(221, 0, 0),
)
self.state_tracker['DISPLAY_TEXT'][self.state_tracker['COUNT_FRAMES'] > self.thresholds['CNT_FRAME_THRESH']] = False
self.state_tracker['COUNT_FRAMES'][self.state_tracker['COUNT_FRAMES'] > self.thresholds['CNT_FRAME_THRESH']] = 0
self.state_tracker['prev_state'] = current_state
else:
if self.flip_frame:
frame = cv2.flip(frame, 1)
end_time = time.perf_counter()
self.state_tracker['INACTIVE_TIME'] += end_time - self.state_tracker['start_inactive_time']
display_inactivity = False
if self.state_tracker['INACTIVE_TIME'] >= self.thresholds['INACTIVE_THRESH']:
self.state_tracker['SQUAT_COUNT'] = 0
self.state_tracker['IMPROPER_SQUAT'] = 0
# cv2.putText(frame, 'Resetting SQUAT_COUNT due to inactivity!!!', (10, frame_height - 25), self.font, 0.7, self.COLORS['blue'], 2)
display_inactivity = True
self.state_tracker['start_inactive_time'] = end_time
draw_text(
frame,
"CORRECT: " + str(self.state_tracker['SQUAT_COUNT']),
pos=(int(frame_width*0.68), 30),
text_color=(255, 255, 230),
font_scale=0.7,
text_color_bg=(18, 185, 0)
)
draw_text(
frame,
"INCORRECT: " + str(self.state_tracker['IMPROPER_SQUAT']),
pos=(int(frame_width*0.68), 80),
text_color=(255, 255, 230),
font_scale=0.7,
text_color_bg=(221, 0, 0),
)
if display_inactivity:
play_sound = 'reset_counters'
self.state_tracker['start_inactive_time'] = time.perf_counter()
self.state_tracker['INACTIVE_TIME'] = 0.0
# Reset all other state variables
self.state_tracker['prev_state'] = None
self.state_tracker['curr_state'] = None
self.state_tracker['INACTIVE_TIME_FRONT'] = 0.0
self.state_tracker['INCORRECT_POSTURE'] = False
self.state_tracker['DISPLAY_TEXT'] = np.full((5,), False)
self.state_tracker['COUNT_FRAMES'] = np.zeros((5,), dtype=np.int64)
self.state_tracker['start_inactive_time_front'] = time.perf_counter()
return frame, play_sound
|