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draw_utils.py
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from typing import Mapping, Tuple
from collections import namedtuple
import math
import numpy as np
import cv2
DrawingSpec = namedtuple('DrawingSpec', ['color', 'thickness'])
FACEMESH_LIPS = frozenset([
(61, 146), (146, 91), (91, 181), (181, 84), (84, 17),
(17, 314), (314, 405), (405, 321), (321, 375),
(375, 291), (61, 185), (185, 40), (40, 39), (39, 37),
(37, 0), (0, 267),
(267, 269), (269, 270), (270, 409), (409, 291),
(78, 95), (95, 88), (88, 178), (178, 87), (87, 14),
(14, 317), (317, 402), (402, 318), (318, 324),
(324, 308), (78, 191), (191, 80), (80, 81), (81, 82),
(82, 13), (13, 312), (312, 311), (311, 310),
(310, 415), (415, 308)])
FACEMESH_LEFT_EYE = frozenset([
(263, 249), (249, 390), (390, 373), (373, 374),
(374, 380), (380, 381), (381, 382), (382, 362),
(263, 466), (466, 388), (388, 387), (387, 386),
(386, 385), (385, 384), (384, 398), (398, 362)])
FACEMESH_LEFT_IRIS = frozenset([
(474, 475), (475, 476), (476, 477),
(477, 474)])
FACEMESH_LEFT_EYEBROW = frozenset([
(276, 283), (283, 282), (282, 295),
(295, 285), (300, 293), (293, 334),
(334, 296), (296, 336)])
FACEMESH_RIGHT_EYE = frozenset([
(33, 7), (7, 163), (163, 144), (144, 145),
(145, 153), (153, 154), (154, 155), (155, 133),
(33, 246), (246, 161), (161, 160), (160, 159),
(159, 158), (158, 157), (157, 173), (173, 133)])
FACEMESH_RIGHT_EYEBROW = frozenset([
(46, 53), (53, 52), (52, 65), (65, 55),
(70, 63), (63, 105), (105, 66), (66, 107)])
FACEMESH_RIGHT_IRIS = frozenset([
(469, 470), (470, 471), (471, 472),
(472, 469)])
FACEMESH_FACE_OVAL = frozenset([
(10, 338), (338, 297), (297, 332), (332, 284),
(284, 251), (251, 389), (389, 356), (356, 454),
(454, 323), (323, 361), (361, 288), (288, 397),
(397, 365), (365, 379), (379, 378), (378, 400),
(400, 377), (377, 152), (152, 148), (148, 176),
(176, 149), (149, 150), (150, 136), (136, 172),
(172, 58), (58, 132), (132, 93), (93, 234),
(234, 127), (127, 162), (162, 21), (21, 54),
(54, 103), (103, 67), (67, 109), (109, 10)])
FACEMESH_NOSE = frozenset([
(168, 6), (6, 197), (197, 195), (195, 5),
(5, 4), (4, 1), (1, 19), (19, 94), (94, 2), (98, 97),
(97, 2), (2, 326), (326, 327), (327, 294),
(294, 278), (278, 344), (344, 440), (440, 275),
(275, 4), (4, 45), (45, 220), (220, 115), (115, 48),
(48, 64), (64, 98)])
FACEMESH_CONTOURS = frozenset().union(*[
FACEMESH_LIPS, FACEMESH_LEFT_EYE, FACEMESH_LEFT_EYEBROW, FACEMESH_RIGHT_EYE,
FACEMESH_RIGHT_EYEBROW, FACEMESH_FACE_OVAL
])
FACEMESH_IRISES = frozenset().union(*[FACEMESH_LEFT_IRIS, FACEMESH_RIGHT_IRIS])
FACEMESH_TESSELATION = frozenset([
(127, 34), (34, 139), (139, 127), (11, 0), (0, 37), (37, 11),
(232, 231), (231, 120), (120, 232), (72, 37), (37, 39), (39, 72),
(128, 121), (121, 47), (47, 128), (232, 121), (121, 128), (128, 232),
(104, 69), (69, 67), (67, 104), (175, 171), (171, 148), (148, 175),
(118, 50), (50, 101), (101, 118), (73, 39), (39, 40), (40, 73),
(9, 151), (151, 108), (108, 9), (48, 115), (115, 131), (131, 48),
(194, 204), (204, 211), (211, 194), (74, 40), (40, 185), (185, 74),
(80, 42), (42, 183), (183, 80), (40, 92), (92, 186), (186, 40),
(230, 229), (229, 118), (118, 230), (202, 212), (212, 214), (214, 202),
(83, 18), (18, 17), (17, 83), (76, 61), (61, 146), (146, 76),
(160, 29), (29, 30), (30, 160), (56, 157), (157, 173), (173, 56),
(106, 204), (204, 194), (194, 106), (135, 214), (214, 192), (192, 135),
(203, 165), (165, 98), (98, 203), (21, 71), (71, 68), (68, 21),
(51, 45), (45, 4), (4, 51), (144, 24), (24, 23), (23, 144),
(77, 146), (146, 91), (91, 77), (205, 50), (50, 187), (187, 205),
(201, 200), (200, 18), (18, 201), (91, 106), (106, 182), (182, 91),
(90, 91), (91, 181), (181, 90), (85, 84), (84, 17), (17, 85),
(206, 203), (203, 36), (36, 206), (148, 171), (171, 140), (140, 148),
(92, 40), (40, 39), (39, 92), (193, 189), (189, 244), (244, 193),
(159, 158), (158, 28), (28, 159), (247, 246), (246, 161), (161, 247),
(236, 3), (3, 196), (196, 236), (54, 68), (68, 104), (104, 54),
(193, 168), (168, 8), (8, 193), (117, 228), (228, 31), (31, 117),
(189, 193), (193, 55), (55, 189), (98, 97), (97, 99), (99, 98),
(126, 47), (47, 100), (100, 126), (166, 79), (79, 218), (218, 166),
(155, 154), (154, 26), (26, 155), (209, 49), (49, 131), (131, 209),
(135, 136), (136, 150), (150, 135), (47, 126), (126, 217), (217, 47),
(223, 52), (52, 53), (53, 223), (45, 51), (51, 134), (134, 45),
(211, 170), (170, 140), (140, 211), (67, 69), (69, 108), (108, 67),
(43, 106), (106, 91), (91, 43), (230, 119), (119, 120), (120, 230),
(226, 130), (130, 247), (247, 226), (63, 53), (53, 52), (52, 63),
(238, 20), (20, 242), (242, 238), (46, 70), (70, 156), (156, 46),
(78, 62), (62, 96), (96, 78), (46, 53), (53, 63), (63, 46),
(143, 34), (34, 227), (227, 143), (123, 117), (117, 111), (111, 123),
(44, 125), (125, 19), (19, 44), (236, 134), (134, 51), (51, 236),
(216, 206), (206, 205), (205, 216), (154, 153), (153, 22), (22, 154),
(39, 37), (37, 167), (167, 39), (200, 201), (201, 208), (208, 200),
(36, 142), (142, 100), (100, 36), (57, 212), (212, 202), (202, 57),
(20, 60), (60, 99), (99, 20), (28, 158), (158, 157), (157, 28),
(35, 226), (226, 113), (113, 35), (160, 159), (159, 27), (27, 160),
(204, 202), (202, 210), (210, 204), (113, 225), (225, 46), (46, 113),
(43, 202), (202, 204), (204, 43), (62, 76), (76, 77), (77, 62),
(137, 123), (123, 116), (116, 137), (41, 38), (38, 72), (72, 41),
(203, 129), (129, 142), (142, 203), (64, 98), (98, 240), (240, 64),
(49, 102), (102, 64), (64, 49), (41, 73), (73, 74), (74, 41),
(212, 216), (216, 207), (207, 212), (42, 74), (74, 184), (184, 42),
(169, 170), (170, 211), (211, 169), (170, 149), (149, 176), (176, 170),
(105, 66), (66, 69), (69, 105), (122, 6), (6, 168), (168, 122),
(123, 147), (147, 187), (187, 123), (96, 77), (77, 90), (90, 96),
(65, 55), (55, 107), (107, 65), (89, 90), (90, 180), (180, 89),
(101, 100), (100, 120), (120, 101), (63, 105), (105, 104), (104, 63),
(93, 137), (137, 227), (227, 93), (15, 86), (86, 85), (85, 15),
(129, 102), (102, 49), (49, 129), (14, 87), (87, 86), (86, 14),
(55, 8), (8, 9), (9, 55), (100, 47), (47, 121), (121, 100),
(145, 23), (23, 22), (22, 145), (88, 89), (89, 179), (179, 88),
(6, 122), (122, 196), (196, 6), (88, 95), (95, 96), (96, 88),
(138, 172), (172, 136), (136, 138), (215, 58), (58, 172), (172, 215),
(115, 48), (48, 219), (219, 115), (42, 80), (80, 81), (81, 42),
(195, 3), (3, 51), (51, 195), (43, 146), (146, 61), (61, 43),
(171, 175), (175, 199), (199, 171), (81, 82), (82, 38), (38, 81),
(53, 46), (46, 225), (225, 53), (144, 163), (163, 110), (110, 144),
(52, 65), (65, 66), (66, 52), (229, 228), (228, 117), (117, 229),
(34, 127), (127, 234), (234, 34), (107, 108), (108, 69), (69, 107),
(109, 108), (108, 151), (151, 109), (48, 64), (64, 235), (235, 48),
(62, 78), (78, 191), (191, 62), (129, 209), (209, 126), (126, 129),
(111, 35), (35, 143), (143, 111), (117, 123), (123, 50), (50, 117),
(222, 65), (65, 52), (52, 222), (19, 125), (125, 141), (141, 19),
(221, 55), (55, 65), (65, 221), (3, 195), (195, 197), (197, 3),
(25, 7), (7, 33), (33, 25), (220, 237), (237, 44), (44, 220),
(70, 71), (71, 139), (139, 70), (122, 193), (193, 245), (245, 122),
(247, 130), (130, 33), (33, 247), (71, 21), (21, 162), (162, 71),
(170, 169), (169, 150), (150, 170), (188, 174), (174, 196), (196, 188),
(216, 186), (186, 92), (92, 216), (2, 97), (97, 167), (167, 2),
(141, 125), (125, 241), (241, 141), (164, 167), (167, 37), (37, 164),
(72, 38), (38, 12), (12, 72), (38, 82), (82, 13), (13, 38),
(63, 68), (68, 71), (71, 63), (226, 35), (35, 111), (111, 226),
(101, 50), (50, 205), (205, 101), (206, 92), (92, 165), (165, 206),
(209, 198), (198, 217), (217, 209), (165, 167), (167, 97), (97, 165),
(220, 115), (115, 218), (218, 220), (133, 112), (112, 243), (243, 133),
(239, 238), (238, 241), (241, 239), (214, 135), (135, 169), (169, 214),
(190, 173), (173, 133), (133, 190), (171, 208), (208, 32), (32, 171),
(125, 44), (44, 237), (237, 125), (86, 87), (87, 178), (178, 86),
(85, 86), (86, 179), (179, 85), (84, 85), (85, 180), (180, 84),
(83, 84), (84, 181), (181, 83), (201, 83), (83, 182), (182, 201),
(137, 93), (93, 132), (132, 137), (76, 62), (62, 183), (183, 76),
(61, 76), (76, 184), (184, 61), (57, 61), (61, 185), (185, 57),
(212, 57), (57, 186), (186, 212), (214, 207), (207, 187), (187, 214),
(34, 143), (143, 156), (156, 34), (79, 239), (239, 237), (237, 79),
(123, 137), (137, 177), (177, 123), (44, 1), (1, 4), (4, 44),
(201, 194), (194, 32), (32, 201), (64, 102), (102, 129), (129, 64),
(213, 215), (215, 138), (138, 213), (59, 166), (166, 219), (219, 59),
(242, 99), (99, 97), (97, 242), (2, 94), (94, 141), (141, 2),
(75, 59), (59, 235), (235, 75), (24, 110), (110, 228), (228, 24),
(25, 130), (130, 226), (226, 25), (23, 24), (24, 229), (229, 23),
(22, 23), (23, 230), (230, 22), (26, 22), (22, 231), (231, 26),
(112, 26), (26, 232), (232, 112), (189, 190), (190, 243), (243, 189),
(221, 56), (56, 190), (190, 221), (28, 56), (56, 221), (221, 28),
(27, 28), (28, 222), (222, 27), (29, 27), (27, 223), (223, 29),
(30, 29), (29, 224), (224, 30), (247, 30), (30, 225), (225, 247),
(238, 79), (79, 20), (20, 238), (166, 59), (59, 75), (75, 166),
(60, 75), (75, 240), (240, 60), (147, 177), (177, 215), (215, 147),
(20, 79), (79, 166), (166, 20), (187, 147), (147, 213), (213, 187),
(112, 233), (233, 244), (244, 112), (233, 128), (128, 245), (245, 233),
(128, 114), (114, 188), (188, 128), (114, 217), (217, 174), (174, 114),
(131, 115), (115, 220), (220, 131), (217, 198), (198, 236), (236, 217),
(198, 131), (131, 134), (134, 198), (177, 132), (132, 58), (58, 177),
(143, 35), (35, 124), (124, 143), (110, 163), (163, 7), (7, 110),
(228, 110), (110, 25), (25, 228), (356, 389), (389, 368), (368, 356),
(11, 302), (302, 267), (267, 11), (452, 350), (350, 349), (349, 452),
(302, 303), (303, 269), (269, 302), (357, 343), (343, 277), (277, 357),
(452, 453), (453, 357), (357, 452), (333, 332), (332, 297), (297, 333),
(175, 152), (152, 377), (377, 175), (347, 348), (348, 330), (330, 347),
(303, 304), (304, 270), (270, 303), (9, 336), (336, 337), (337, 9),
(278, 279), (279, 360), (360, 278), (418, 262), (262, 431), (431, 418),
(304, 408), (408, 409), (409, 304), (310, 415), (415, 407), (407, 310),
(270, 409), (409, 410), (410, 270), (450, 348), (348, 347), (347, 450),
(422, 430), (430, 434), (434, 422), (313, 314), (314, 17), (17, 313),
(306, 307), (307, 375), (375, 306), (387, 388), (388, 260), (260, 387),
(286, 414), (414, 398), (398, 286), (335, 406), (406, 418), (418, 335),
(364, 367), (367, 416), (416, 364), (423, 358), (358, 327), (327, 423),
(251, 284), (284, 298), (298, 251), (281, 5), (5, 4), (4, 281),
(373, 374), (374, 253), (253, 373), (307, 320), (320, 321), (321, 307),
(425, 427), (427, 411), (411, 425), (421, 313), (313, 18), (18, 421),
(321, 405), (405, 406), (406, 321), (320, 404), (404, 405), (405, 320),
(315, 16), (16, 17), (17, 315), (426, 425), (425, 266), (266, 426),
(377, 400), (400, 369), (369, 377), (322, 391), (391, 269), (269, 322),
(417, 465), (465, 464), (464, 417), (386, 257), (257, 258), (258, 386),
(466, 260), (260, 388), (388, 466), (456, 399), (399, 419), (419, 456),
(284, 332), (332, 333), (333, 284), (417, 285), (285, 8), (8, 417),
(346, 340), (340, 261), (261, 346), (413, 441), (441, 285), (285, 413),
(327, 460), (460, 328), (328, 327), (355, 371), (371, 329), (329, 355),
(392, 439), (439, 438), (438, 392), (382, 341), (341, 256), (256, 382),
(429, 420), (420, 360), (360, 429), (364, 394), (394, 379), (379, 364),
(277, 343), (343, 437), (437, 277), (443, 444), (444, 283), (283, 443),
(275, 440), (440, 363), (363, 275), (431, 262), (262, 369), (369, 431),
(297, 338), (338, 337), (337, 297), (273, 375), (375, 321), (321, 273),
(450, 451), (451, 349), (349, 450), (446, 342), (342, 467), (467, 446),
(293, 334), (334, 282), (282, 293), (458, 461), (461, 462), (462, 458),
(276, 353), (353, 383), (383, 276), (308, 324), (324, 325), (325, 308),
(276, 300), (300, 293), (293, 276), (372, 345), (345, 447), (447, 372),
(352, 345), (345, 340), (340, 352), (274, 1), (1, 19), (19, 274),
(456, 248), (248, 281), (281, 456), (436, 427), (427, 425), (425, 436),
(381, 256), (256, 252), (252, 381), (269, 391), (391, 393), (393, 269),
(200, 199), (199, 428), (428, 200), (266, 330), (330, 329), (329, 266),
(287, 273), (273, 422), (422, 287), (250, 462), (462, 328), (328, 250),
(258, 286), (286, 384), (384, 258), (265, 353), (353, 342), (342, 265),
(387, 259), (259, 257), (257, 387), (424, 431), (431, 430), (430, 424),
(342, 353), (353, 276), (276, 342), (273, 335), (335, 424), (424, 273),
(292, 325), (325, 307), (307, 292), (366, 447), (447, 345), (345, 366),
(271, 303), (303, 302), (302, 271), (423, 266), (266, 371), (371, 423),
(294, 455), (455, 460), (460, 294), (279, 278), (278, 294), (294, 279),
(271, 272), (272, 304), (304, 271), (432, 434), (434, 427), (427, 432),
(272, 407), (407, 408), (408, 272), (394, 430), (430, 431), (431, 394),
(395, 369), (369, 400), (400, 395), (334, 333), (333, 299), (299, 334),
(351, 417), (417, 168), (168, 351), (352, 280), (280, 411), (411, 352),
(325, 319), (319, 320), (320, 325), (295, 296), (296, 336), (336, 295),
(319, 403), (403, 404), (404, 319), (330, 348), (348, 349), (349, 330),
(293, 298), (298, 333), (333, 293), (323, 454), (454, 447), (447, 323),
(15, 16), (16, 315), (315, 15), (358, 429), (429, 279), (279, 358),
(14, 15), (15, 316), (316, 14), (285, 336), (336, 9), (9, 285),
(329, 349), (349, 350), (350, 329), (374, 380), (380, 252), (252, 374),
(318, 402), (402, 403), (403, 318), (6, 197), (197, 419), (419, 6),
(318, 319), (319, 325), (325, 318), (367, 364), (364, 365), (365, 367),
(435, 367), (367, 397), (397, 435), (344, 438), (438, 439), (439, 344),
(272, 271), (271, 311), (311, 272), (195, 5), (5, 281), (281, 195),
(273, 287), (287, 291), (291, 273), (396, 428), (428, 199), (199, 396),
(311, 271), (271, 268), (268, 311), (283, 444), (444, 445), (445, 283),
(373, 254), (254, 339), (339, 373), (282, 334), (334, 296), (296, 282),
(449, 347), (347, 346), (346, 449), (264, 447), (447, 454), (454, 264),
(336, 296), (296, 299), (299, 336), (338, 10), (10, 151), (151, 338),
(278, 439), (439, 455), (455, 278), (292, 407), (407, 415), (415, 292),
(358, 371), (371, 355), (355, 358), (340, 345), (345, 372), (372, 340),
(346, 347), (347, 280), (280, 346), (442, 443), (443, 282), (282, 442),
(19, 94), (94, 370), (370, 19), (441, 442), (442, 295), (295, 441),
(248, 419), (419, 197), (197, 248), (263, 255), (255, 359), (359, 263),
(440, 275), (275, 274), (274, 440), (300, 383), (383, 368), (368, 300),
(351, 412), (412, 465), (465, 351), (263, 467), (467, 466), (466, 263),
(301, 368), (368, 389), (389, 301), (395, 378), (378, 379), (379, 395),
(412, 351), (351, 419), (419, 412), (436, 426), (426, 322), (322, 436),
(2, 164), (164, 393), (393, 2), (370, 462), (462, 461), (461, 370),
(164, 0), (0, 267), (267, 164), (302, 11), (11, 12), (12, 302),
(268, 12), (12, 13), (13, 268), (293, 300), (300, 301), (301, 293),
(446, 261), (261, 340), (340, 446), (330, 266), (266, 425), (425, 330),
(426, 423), (423, 391), (391, 426), (429, 355), (355, 437), (437, 429),
(391, 327), (327, 326), (326, 391), (440, 457), (457, 438), (438, 440),
(341, 382), (382, 362), (362, 341), (459, 457), (457, 461), (461, 459),
(434, 430), (430, 394), (394, 434), (414, 463), (463, 362), (362, 414),
(396, 369), (369, 262), (262, 396), (354, 461), (461, 457), (457, 354),
(316, 403), (403, 402), (402, 316), (315, 404), (404, 403), (403, 315),
(314, 405), (405, 404), (404, 314), (313, 406), (406, 405), (405, 313),
(421, 418), (418, 406), (406, 421), (366, 401), (401, 361), (361, 366),
(306, 408), (408, 407), (407, 306), (291, 409), (409, 408), (408, 291),
(287, 410), (410, 409), (409, 287), (432, 436), (436, 410), (410, 432),
(434, 416), (416, 411), (411, 434), (264, 368), (368, 383), (383, 264),
(309, 438), (438, 457), (457, 309), (352, 376), (376, 401), (401, 352),
(274, 275), (275, 4), (4, 274), (421, 428), (428, 262), (262, 421),
(294, 327), (327, 358), (358, 294), (433, 416), (416, 367), (367, 433),
(289, 455), (455, 439), (439, 289), (462, 370), (370, 326), (326, 462),
(2, 326), (326, 370), (370, 2), (305, 460), (460, 455), (455, 305),
(254, 449), (449, 448), (448, 254), (255, 261), (261, 446), (446, 255),
(253, 450), (450, 449), (449, 253), (252, 451), (451, 450), (450, 252),
(256, 452), (452, 451), (451, 256), (341, 453), (453, 452), (452, 341),
(413, 464), (464, 463), (463, 413), (441, 413), (413, 414), (414, 441),
(258, 442), (442, 441), (441, 258), (257, 443), (443, 442), (442, 257),
(259, 444), (444, 443), (443, 259), (260, 445), (445, 444), (444, 260),
(467, 342), (342, 445), (445, 467), (459, 458), (458, 250), (250, 459),
(289, 392), (392, 290), (290, 289), (290, 328), (328, 460), (460, 290),
(376, 433), (433, 435), (435, 376), (250, 290), (290, 392), (392, 250),
(411, 416), (416, 433), (433, 411), (341, 463), (463, 464), (464, 341),
(453, 464), (464, 465), (465, 453), (357, 465), (465, 412), (412, 357),
(343, 412), (412, 399), (399, 343), (360, 363), (363, 440), (440, 360),
(437, 399), (399, 456), (456, 437), (420, 456), (456, 363), (363, 420),
(401, 435), (435, 288), (288, 401), (372, 383), (383, 353), (353, 372),
(339, 255), (255, 249), (249, 339), (448, 261), (261, 255), (255, 448),
(133, 243), (243, 190), (190, 133), (133, 155), (155, 112), (112, 133),
(33, 246), (246, 247), (247, 33), (33, 130), (130, 25), (25, 33),
(398, 384), (384, 286), (286, 398), (362, 398), (398, 414), (414, 362),
(362, 463), (463, 341), (341, 362), (263, 359), (359, 467), (467, 263),
(263, 249), (249, 255), (255, 263), (466, 467), (467, 260), (260, 466),
(75, 60), (60, 166), (166, 75), (238, 239), (239, 79), (79, 238),
(162, 127), (127, 139), (139, 162), (72, 11), (11, 37), (37, 72),
(121, 232), (232, 120), (120, 121), (73, 72), (72, 39), (39, 73),
(114, 128), (128, 47), (47, 114), (233, 232), (232, 128), (128, 233),
(103, 104), (104, 67), (67, 103), (152, 175), (175, 148), (148, 152),
(119, 118), (118, 101), (101, 119), (74, 73), (73, 40), (40, 74),
(107, 9), (9, 108), (108, 107), (49, 48), (48, 131), (131, 49),
(32, 194), (194, 211), (211, 32), (184, 74), (74, 185), (185, 184),
(191, 80), (80, 183), (183, 191), (185, 40), (40, 186), (186, 185),
(119, 230), (230, 118), (118, 119), (210, 202), (202, 214), (214, 210),
(84, 83), (83, 17), (17, 84), (77, 76), (76, 146), (146, 77),
(161, 160), (160, 30), (30, 161), (190, 56), (56, 173), (173, 190),
(182, 106), (106, 194), (194, 182), (138, 135), (135, 192), (192, 138),
(129, 203), (203, 98), (98, 129), (54, 21), (21, 68), (68, 54),
(5, 51), (51, 4), (4, 5), (145, 144), (144, 23), (23, 145),
(90, 77), (77, 91), (91, 90), (207, 205), (205, 187), (187, 207),
(83, 201), (201, 18), (18, 83), (181, 91), (91, 182), (182, 181),
(180, 90), (90, 181), (181, 180), (16, 85), (85, 17), (17, 16),
(205, 206), (206, 36), (36, 205), (176, 148), (148, 140), (140, 176),
(165, 92), (92, 39), (39, 165), (245, 193), (193, 244), (244, 245),
(27, 159), (159, 28), (28, 27), (30, 247), (247, 161), (161, 30),
(174, 236), (236, 196), (196, 174), (103, 54), (54, 104), (104, 103),
(55, 193), (193, 8), (8, 55), (111, 117), (117, 31), (31, 111),
(221, 189), (189, 55), (55, 221), (240, 98), (98, 99), (99, 240),
(142, 126), (126, 100), (100, 142), (219, 166), (166, 218), (218, 219),
(112, 155), (155, 26), (26, 112), (198, 209), (209, 131), (131, 198),
(169, 135), (135, 150), (150, 169), (114, 47), (47, 217), (217, 114),
(224, 223), (223, 53), (53, 224), (220, 45), (45, 134), (134, 220),
(32, 211), (211, 140), (140, 32), (109, 67), (67, 108), (108, 109),
(146, 43), (43, 91), (91, 146), (231, 230), (230, 120), (120, 231),
(113, 226), (226, 247), (247, 113), (105, 63), (63, 52), (52, 105),
(241, 238), (238, 242), (242, 241), (124, 46), (46, 156), (156, 124),
(95, 78), (78, 96), (96, 95), (70, 46), (46, 63), (63, 70),
(116, 143), (143, 227), (227, 116), (116, 123), (123, 111), (111, 116),
(1, 44), (44, 19), (19, 1), (3, 236), (236, 51), (51, 3),
(207, 216), (216, 205), (205, 207), (26, 154), (154, 22), (22, 26),
(165, 39), (39, 167), (167, 165), (199, 200), (200, 208), (208, 199),
(101, 36), (36, 100), (100, 101), (43, 57), (57, 202), (202, 43),
(242, 20), (20, 99), (99, 242), (56, 28), (28, 157), (157, 56),
(124, 35), (35, 113), (113, 124), (29, 160), (160, 27), (27, 29),
(211, 204), (204, 210), (210, 211), (124, 113), (113, 46), (46, 124),
(106, 43), (43, 204), (204, 106), (96, 62), (62, 77), (77, 96),
(227, 137), (137, 116), (116, 227), (73, 41), (41, 72), (72, 73),
(36, 203), (203, 142), (142, 36), (235, 64), (64, 240), (240, 235),
(48, 49), (49, 64), (64, 48), (42, 41), (41, 74), (74, 42),
(214, 212), (212, 207), (207, 214), (183, 42), (42, 184), (184, 183),
(210, 169), (169, 211), (211, 210), (140, 170), (170, 176), (176, 140),
(104, 105), (105, 69), (69, 104), (193, 122), (122, 168), (168, 193),
(50, 123), (123, 187), (187, 50), (89, 96), (96, 90), (90, 89),
(66, 65), (65, 107), (107, 66), (179, 89), (89, 180), (180, 179),
(119, 101), (101, 120), (120, 119), (68, 63), (63, 104), (104, 68),
(234, 93), (93, 227), (227, 234), (16, 15), (15, 85), (85, 16),
(209, 129), (129, 49), (49, 209), (15, 14), (14, 86), (86, 15),
(107, 55), (55, 9), (9, 107), (120, 100), (100, 121), (121, 120),
(153, 145), (145, 22), (22, 153), (178, 88), (88, 179), (179, 178),
(197, 6), (6, 196), (196, 197), (89, 88), (88, 96), (96, 89),
(135, 138), (138, 136), (136, 135), (138, 215), (215, 172), (172, 138),
(218, 115), (115, 219), (219, 218), (41, 42), (42, 81), (81, 41),
(5, 195), (195, 51), (51, 5), (57, 43), (43, 61), (61, 57),
(208, 171), (171, 199), (199, 208), (41, 81), (81, 38), (38, 41),
(224, 53), (53, 225), (225, 224), (24, 144), (144, 110), (110, 24),
(105, 52), (52, 66), (66, 105), (118, 229), (229, 117), (117, 118),
(227, 34), (34, 234), (234, 227), (66, 107), (107, 69), (69, 66),
(10, 109), (109, 151), (151, 10), (219, 48), (48, 235), (235, 219),
(183, 62), (62, 191), (191, 183), (142, 129), (129, 126), (126, 142),
(116, 111), (111, 143), (143, 116), (118, 117), (117, 50), (50, 118),
(223, 222), (222, 52), (52, 223), (94, 19), (19, 141), (141, 94),
(222, 221), (221, 65), (65, 222), (196, 3), (3, 197), (197, 196),
(45, 220), (220, 44), (44, 45), (156, 70), (70, 139), (139, 156),
(188, 122), (122, 245), (245, 188), (139, 71), (71, 162), (162, 139),
(149, 170), (170, 150), (150, 149), (122, 188), (188, 196), (196, 122),
(206, 216), (216, 92), (92, 206), (164, 2), (2, 167), (167, 164),
(242, 141), (141, 241), (241, 242), (0, 164), (164, 37), (37, 0),
(11, 72), (72, 12), (12, 11), (12, 38), (38, 13), (13, 12),
(70, 63), (63, 71), (71, 70), (31, 226), (226, 111), (111, 31),
(36, 101), (101, 205), (205, 36), (203, 206), (206, 165), (165, 203),
(126, 209), (209, 217), (217, 126), (98, 165), (165, 97), (97, 98),
(237, 220), (220, 218), (218, 237), (237, 239), (239, 241), (241, 237),
(210, 214), (214, 169), (169, 210), (140, 171), (171, 32), (32, 140),
(241, 125), (125, 237), (237, 241), (179, 86), (86, 178), (178, 179),
(180, 85), (85, 179), (179, 180), (181, 84), (84, 180), (180, 181),
(182, 83), (83, 181), (181, 182), (194, 201), (201, 182), (182, 194),
(177, 137), (137, 132), (132, 177), (184, 76), (76, 183), (183, 184),
(185, 61), (61, 184), (184, 185), (186, 57), (57, 185), (185, 186),
(216, 212), (212, 186), (186, 216), (192, 214), (214, 187), (187, 192),
(139, 34), (34, 156), (156, 139), (218, 79), (79, 237), (237, 218),
(147, 123), (123, 177), (177, 147), (45, 44), (44, 4), (4, 45),
(208, 201), (201, 32), (32, 208), (98, 64), (64, 129), (129, 98),
(192, 213), (213, 138), (138, 192), (235, 59), (59, 219), (219, 235),
(141, 242), (242, 97), (97, 141), (97, 2), (2, 141), (141, 97),
(240, 75), (75, 235), (235, 240), (229, 24), (24, 228), (228, 229),
(31, 25), (25, 226), (226, 31), (230, 23), (23, 229), (229, 230),
(231, 22), (22, 230), (230, 231), (232, 26), (26, 231), (231, 232),
(233, 112), (112, 232), (232, 233), (244, 189), (189, 243), (243, 244),
(189, 221), (221, 190), (190, 189), (222, 28), (28, 221), (221, 222),
(223, 27), (27, 222), (222, 223), (224, 29), (29, 223), (223, 224),
(225, 30), (30, 224), (224, 225), (113, 247), (247, 225), (225, 113),
(99, 60), (60, 240), (240, 99), (213, 147), (147, 215), (215, 213),
(60, 20), (20, 166), (166, 60), (192, 187), (187, 213), (213, 192),
(243, 112), (112, 244), (244, 243), (244, 233), (233, 245), (245, 244),
(245, 128), (128, 188), (188, 245), (188, 114), (114, 174), (174, 188),
(134, 131), (131, 220), (220, 134), (174, 217), (217, 236), (236, 174),
(236, 198), (198, 134), (134, 236), (215, 177), (177, 58), (58, 215),
(156, 143), (143, 124), (124, 156), (25, 110), (110, 7), (7, 25),
(31, 228), (228, 25), (25, 31), (264, 356), (356, 368), (368, 264),
(0, 11), (11, 267), (267, 0), (451, 452), (452, 349), (349, 451),
(267, 302), (302, 269), (269, 267), (350, 357), (357, 277), (277, 350),
(350, 452), (452, 357), (357, 350), (299, 333), (333, 297), (297, 299),
(396, 175), (175, 377), (377, 396), (280, 347), (347, 330), (330, 280),
(269, 303), (303, 270), (270, 269), (151, 9), (9, 337), (337, 151),
(344, 278), (278, 360), (360, 344), (424, 418), (418, 431), (431, 424),
(270, 304), (304, 409), (409, 270), (272, 310), (310, 407), (407, 272),
(322, 270), (270, 410), (410, 322), (449, 450), (450, 347), (347, 449),
(432, 422), (422, 434), (434, 432), (18, 313), (313, 17), (17, 18),
(291, 306), (306, 375), (375, 291), (259, 387), (387, 260), (260, 259),
(424, 335), (335, 418), (418, 424), (434, 364), (364, 416), (416, 434),
(391, 423), (423, 327), (327, 391), (301, 251), (251, 298), (298, 301),
(275, 281), (281, 4), (4, 275), (254, 373), (373, 253), (253, 254),
(375, 307), (307, 321), (321, 375), (280, 425), (425, 411), (411, 280),
(200, 421), (421, 18), (18, 200), (335, 321), (321, 406), (406, 335),
(321, 320), (320, 405), (405, 321), (314, 315), (315, 17), (17, 314),
(423, 426), (426, 266), (266, 423), (396, 377), (377, 369), (369, 396),
(270, 322), (322, 269), (269, 270), (413, 417), (417, 464), (464, 413),
(385, 386), (386, 258), (258, 385), (248, 456), (456, 419), (419, 248),
(298, 284), (284, 333), (333, 298), (168, 417), (417, 8), (8, 168),
(448, 346), (346, 261), (261, 448), (417, 413), (413, 285), (285, 417),
(326, 327), (327, 328), (328, 326), (277, 355), (355, 329), (329, 277),
(309, 392), (392, 438), (438, 309), (381, 382), (382, 256), (256, 381),
(279, 429), (429, 360), (360, 279), (365, 364), (364, 379), (379, 365),
(355, 277), (277, 437), (437, 355), (282, 443), (443, 283), (283, 282),
(281, 275), (275, 363), (363, 281), (395, 431), (431, 369), (369, 395),
(299, 297), (297, 337), (337, 299), (335, 273), (273, 321), (321, 335),
(348, 450), (450, 349), (349, 348), (359, 446), (446, 467), (467, 359),
(283, 293), (293, 282), (282, 283), (250, 458), (458, 462), (462, 250),
(300, 276), (276, 383), (383, 300), (292, 308), (308, 325), (325, 292),
(283, 276), (276, 293), (293, 283), (264, 372), (372, 447), (447, 264),
(346, 352), (352, 340), (340, 346), (354, 274), (274, 19), (19, 354),
(363, 456), (456, 281), (281, 363), (426, 436), (436, 425), (425, 426),
(380, 381), (381, 252), (252, 380), (267, 269), (269, 393), (393, 267),
(421, 200), (200, 428), (428, 421), (371, 266), (266, 329), (329, 371),
(432, 287), (287, 422), (422, 432), (290, 250), (250, 328), (328, 290),
(385, 258), (258, 384), (384, 385), (446, 265), (265, 342), (342, 446),
(386, 387), (387, 257), (257, 386), (422, 424), (424, 430), (430, 422),
(445, 342), (342, 276), (276, 445), (422, 273), (273, 424), (424, 422),
(306, 292), (292, 307), (307, 306), (352, 366), (366, 345), (345, 352),
(268, 271), (271, 302), (302, 268), (358, 423), (423, 371), (371, 358),
(327, 294), (294, 460), (460, 327), (331, 279), (279, 294), (294, 331),
(303, 271), (271, 304), (304, 303), (436, 432), (432, 427), (427, 436),
(304, 272), (272, 408), (408, 304), (395, 394), (394, 431), (431, 395),
(378, 395), (395, 400), (400, 378), (296, 334), (334, 299), (299, 296),
(6, 351), (351, 168), (168, 6), (376, 352), (352, 411), (411, 376),
(307, 325), (325, 320), (320, 307), (285, 295), (295, 336), (336, 285),
(320, 319), (319, 404), (404, 320), (329, 330), (330, 349), (349, 329),
(334, 293), (293, 333), (333, 334), (366, 323), (323, 447), (447, 366),
(316, 15), (15, 315), (315, 316), (331, 358), (358, 279), (279, 331),
(317, 14), (14, 316), (316, 317), (8, 285), (285, 9), (9, 8),
(277, 329), (329, 350), (350, 277), (253, 374), (374, 252), (252, 253),
(319, 318), (318, 403), (403, 319), (351, 6), (6, 419), (419, 351),
(324, 318), (318, 325), (325, 324), (397, 367), (367, 365), (365, 397),
(288, 435), (435, 397), (397, 288), (278, 344), (344, 439), (439, 278),
(310, 272), (272, 311), (311, 310), (248, 195), (195, 281), (281, 248),
(375, 273), (273, 291), (291, 375), (175, 396), (396, 199), (199, 175),
(312, 311), (311, 268), (268, 312), (276, 283), (283, 445), (445, 276),
(390, 373), (373, 339), (339, 390), (295, 282), (282, 296), (296, 295),
(448, 449), (449, 346), (346, 448), (356, 264), (264, 454), (454, 356),
(337, 336), (336, 299), (299, 337), (337, 338), (338, 151), (151, 337),
(294, 278), (278, 455), (455, 294), (308, 292), (292, 415), (415, 308),
(429, 358), (358, 355), (355, 429), (265, 340), (340, 372), (372, 265),
(352, 346), (346, 280), (280, 352), (295, 442), (442, 282), (282, 295),
(354, 19), (19, 370), (370, 354), (285, 441), (441, 295), (295, 285),
(195, 248), (248, 197), (197, 195), (457, 440), (440, 274), (274, 457),
(301, 300), (300, 368), (368, 301), (417, 351), (351, 465), (465, 417),
(251, 301), (301, 389), (389, 251), (394, 395), (395, 379), (379, 394),
(399, 412), (412, 419), (419, 399), (410, 436), (436, 322), (322, 410),
(326, 2), (2, 393), (393, 326), (354, 370), (370, 461), (461, 354),
(393, 164), (164, 267), (267, 393), (268, 302), (302, 12), (12, 268),
(312, 268), (268, 13), (13, 312), (298, 293), (293, 301), (301, 298),
(265, 446), (446, 340), (340, 265), (280, 330), (330, 425), (425, 280),
(322, 426), (426, 391), (391, 322), (420, 429), (429, 437), (437, 420),
(393, 391), (391, 326), (326, 393), (344, 440), (440, 438), (438, 344),
(458, 459), (459, 461), (461, 458), (364, 434), (434, 394), (394, 364),
(428, 396), (396, 262), (262, 428), (274, 354), (354, 457), (457, 274),
(317, 316), (316, 402), (402, 317), (316, 315), (315, 403), (403, 316),
(315, 314), (314, 404), (404, 315), (314, 313), (313, 405), (405, 314),
(313, 421), (421, 406), (406, 313), (323, 366), (366, 361), (361, 323),
(292, 306), (306, 407), (407, 292), (306, 291), (291, 408), (408, 306),
(291, 287), (287, 409), (409, 291), (287, 432), (432, 410), (410, 287),
(427, 434), (434, 411), (411, 427), (372, 264), (264, 383), (383, 372),
(459, 309), (309, 457), (457, 459), (366, 352), (352, 401), (401, 366),
(1, 274), (274, 4), (4, 1), (418, 421), (421, 262), (262, 418),
(331, 294), (294, 358), (358, 331), (435, 433), (433, 367), (367, 435),
(392, 289), (289, 439), (439, 392), (328, 462), (462, 326), (326, 328),
(94, 2), (2, 370), (370, 94), (289, 305), (305, 455), (455, 289),
(339, 254), (254, 448), (448, 339), (359, 255), (255, 446), (446, 359),
(254, 253), (253, 449), (449, 254), (253, 252), (252, 450), (450, 253),
(252, 256), (256, 451), (451, 252), (256, 341), (341, 452), (452, 256),
(414, 413), (413, 463), (463, 414), (286, 441), (441, 414), (414, 286),
(286, 258), (258, 441), (441, 286), (258, 257), (257, 442), (442, 258),
(257, 259), (259, 443), (443, 257), (259, 260), (260, 444), (444, 259),
(260, 467), (467, 445), (445, 260), (309, 459), (459, 250), (250, 309),
(305, 289), (289, 290), (290, 305), (305, 290), (290, 460), (460, 305),
(401, 376), (376, 435), (435, 401), (309, 250), (250, 392), (392, 309),
(376, 411), (411, 433), (433, 376), (453, 341), (341, 464), (464, 453),
(357, 453), (453, 465), (465, 357), (343, 357), (357, 412), (412, 343),
(437, 343), (343, 399), (399, 437), (344, 360), (360, 440), (440, 344),
(420, 437), (437, 456), (456, 420), (360, 420), (420, 363), (363, 360),
(361, 401), (401, 288), (288, 361), (265, 372), (372, 353), (353, 265),
(390, 339), (339, 249), (249, 390), (339, 448), (448, 255), (255, 339)])
WHITE_COLOR = (224, 224, 224)
GRAY_COLOR = (128, 128, 128)
RED_COLOR = (0, 0, 255)
GREEN_COLOR = (48, 255, 48)
THICKNESS_TESSELATION = 1
THICKNESS_CONTOURS = 2
FACEMESH_CONTOURS_CONNECTION_STYLE = {
FACEMESH_LIPS:
DrawingSpec(color=WHITE_COLOR, thickness=THICKNESS_CONTOURS),
FACEMESH_LEFT_EYE:
DrawingSpec(color=GREEN_COLOR, thickness=THICKNESS_CONTOURS),
FACEMESH_LEFT_EYEBROW:
DrawingSpec(color=GREEN_COLOR, thickness=THICKNESS_CONTOURS),
FACEMESH_RIGHT_EYE:
DrawingSpec(color=RED_COLOR, thickness=THICKNESS_CONTOURS),
FACEMESH_RIGHT_EYEBROW:
DrawingSpec(color=RED_COLOR, thickness=THICKNESS_CONTOURS),
FACEMESH_FACE_OVAL:
DrawingSpec(color=WHITE_COLOR, thickness=THICKNESS_CONTOURS)
}
def get_contours_style() -> Mapping[Tuple[int, int], DrawingSpec]:
"""
Returns the default face mesh contours drawing style.
"""
default_style = FACEMESH_CONTOURS_CONNECTION_STYLE
face_mesh_contours_connection_style = {}
for k, v in default_style.items():
for connection in k:
face_mesh_contours_connection_style[connection] = v
return face_mesh_contours_connection_style
def get_tesselation_style() -> DrawingSpec:
"""
Returns the default face mesh tesselation drawing style.
"""
return DrawingSpec(color=GRAY_COLOR, thickness=THICKNESS_TESSELATION)
def get_iris_connections_style() \
-> Mapping[Tuple[int, int], DrawingSpec]:
"""
Returns the default face mesh iris connections drawing style.
"""
face_mesh_iris_connections_style = {}
left_spec = DrawingSpec(color=GREEN_COLOR, thickness=THICKNESS_CONTOURS)
for connection in FACEMESH_LEFT_IRIS:
face_mesh_iris_connections_style[connection] = left_spec
right_spec = DrawingSpec(color=RED_COLOR, thickness=THICKNESS_CONTOURS)
for connection in FACEMESH_RIGHT_IRIS:
face_mesh_iris_connections_style[connection] = right_spec
return face_mesh_iris_connections_style
def _normalized_to_pixel_coordinates(
normalized_x: float, normalized_y: float,
image_width: int, image_height: int):
"""Converts normalized value pair to pixel coordinates."""
# Checks if the float value is between 0 and 1.
def is_valid_normalized_value(value: float) -> bool:
return (value > 0 or math.isclose(0, value)) \
and (value < 1 or math.isclose(1, value))
if not (is_valid_normalized_value(normalized_x)
and is_valid_normalized_value(normalized_y)):
return None
x_px = min(math.floor(normalized_x * image_width), image_width - 1)
y_px = min(math.floor(normalized_y * image_height), image_height - 1)
return x_px, y_px
def draw_landmarks(
image: np.ndarray,
landmark_list,
connections=None,
connection_drawing_spec=None):
# if not landmark_list:
# return
image_rows, image_cols, _ = image.shape
idx_to_coordinates = {}
for idx, landmark in enumerate(landmark_list):
x, y = landmark[:2]
landmark_px = _normalized_to_pixel_coordinates(
x, y, image_cols, image_rows)
if landmark_px:
idx_to_coordinates[idx] = landmark_px
if connections:
# Draws the connections if the start and end landmarks are both visible.
for connection in connections:
start_idx = connection[0]
end_idx = connection[1]
if start_idx in idx_to_coordinates and end_idx in idx_to_coordinates:
drawing_spec = connection_drawing_spec[connection] \
if isinstance(connection_drawing_spec, dict) \
else connection_drawing_spec
cv2.line(
image,
idx_to_coordinates[start_idx],
idx_to_coordinates[end_idx],
drawing_spec.color, drawing_spec.thickness)