File size: 16,288 Bytes
4efaeb9
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
import gradio as gr

import cv2
import mediapipe as mp
mp_drawing = mp.solutions.drawing_utils
mp_drawing_styles = mp.solutions.drawing_styles
mp_face_mesh = mp.solutions.face_mesh

import numpy as np
from mediapipe.framework.formats import landmark_pb2
from typing import List, Mapping, Optional, Tuple, Union

import pygltflib
import struct
import tempfile

# ok... I goofed one of them :-(
QUADS = [
	[300, 334, 333, 298] , [  1,  12, 303, 268] , [234, 233, 122, 129] , [270, 304, 305, 271] , [246, 129, 115, 189] ,
	[112, 118, 229,  32] , [104,  55,  69, 105] , [228,  35, 128, 235] , [120, 102, 101, 121] , [ 74,  73,  38,  40] ,
	[ 71,  47,  54,  64] , [135, 132, 116, 221] , [335, 294, 299, 334] , [ 73,  12,   1,  38] , [ 42,  43,  81,  82] ,
	[166,  93,  41,  40] , [122, 233, 232, 121] , [215, 213, 217, 208] , [183,  84,  85, 182] , [376, 308, 321, 322] ,
	[ 30, 161, 160,  28] , [ 57,  29, 159, 158] , [ 84, 202, 201,  19] , [117, 144,  35, 228] , [204, 207,  93, 166] ,
	[139, 216,  59, 173] , [276, 282,   6,   5] , [ 25, 145, 164, 111] , [292, 307, 308, 376] , [143, 127,  48, 101] ,
	[419, 422, 429, 263] , [147,  44, 107,  92] , [ 17,  86,  85,  18] , [ 78,  77,  62, 147] , [127, 210, 199, 218] ,
	[397, 378, 401, 370] , [166,  40,  38, 168] , [245, 234, 129, 246] , [ 31, 248, 247, 162] , [ 34, 247, 248, 131] ,
	[175, 218, 199, 237] , [418, 352, 413, 466] , [125, 114, 226,  47] , [225, 224,  53,  54] , [ 99,  65, 103, 130] ,
	[193, 215, 208, 188] , [219,  80, 240, 238] , [134, 156, 113, 244] , [345, 361, 364, 441] , [141, 171, 150, 177] ,
	[400, 413, 352, 420] , [119, 230, 229, 118] , [282, 276, 441, 364] , [ 71,  64,  69,  72] , [315, 314, 407, 406] ,
	[222, 190, 194,  56] , [114, 248,  31, 226] , [106,  53,  66,  67] , [236,  60, 167, 220] , [108,  56,   9,  10] ,
	[ 67,  66,  56, 108] , [ 69,  64, 106, 105] , [120, 119,  51, 102] , [242, 126,  45, 238] , [  6, 196,   4,  52] ,
	[143, 130, 210, 127] , [ 34, 131,  26,   8] , [323, 271, 410, 411] , [ 33, 195, 205, 212] , [ 37, 102,  51, 206] ,
	[195, 202,  84, 183] , [238, 240, 239, 242] , [ 26, 111, 164,   8] , [225,  54,  47, 226] , [154, 146,  24,  23] ,
	[211, 203, 213, 215] , [246, 194, 190, 245] , [425, 336, 407, 419] , [318, 317, 404, 403] , [ 33, 212, 171, 141] ,
	[ 12,  73,  39,  13] , [208, 217, 207, 206] , [238, 221, 116, 219] , [ 46, 221, 238,  45] , [184,  43,  75, 185] ,
	[209, 202, 195,  33] , [269, 272, 304, 303] , [214, 148, 178, 216] , [235,  94, 138, 228] , [ 67, 108, 109,  70] ,
	[  7, 352, 418, 169] , [193, 188, 148, 214] , [ 97,  63,  77,  78] , [125,  47,  71, 157] , [317,  16,  17, 316] ,
	[115, 129, 122,  48] , [148, 124, 138, 178] , [252, 285, 333, 334, 299, 302] , [181,  86,  87, 180] , [290, 393, 291, 306] ,
	[180,  87,  88, 179] , [106,  64,  54,  53] , [119, 118, 124,  51] , [146, 145,  25,  24] , [325, 319, 320, 326] ,
	[123, 189, 175, 197] , [293, 309, 325, 326] , [150, 171, 170, 151] , [178, 138,  94, 133] , [328, 295, 456, 461] ,
	[361, 421, 457, 364] , [336, 274, 376, 322] , [396, 395, 431, 432] , [ 13,  39,  83,  14] , [278, 330, 350, 351] ,
	[191,  57, 158, 174] , [117, 112,  36, 144] , [224, 223,  66,  53] , [140,  72,  22, 163] , [163, 128,  35, 140] ,
	[366, 365, 395, 380] , [219, 116,  49, 220] , [430, 359, 372, 356] , [157, 144,  36, 125] , [377, 353, 281, 412] ,
	[125,  36, 227, 114] , [355,  20,  95, 371] , [120, 231, 230, 119] , [249, 457, 400, 420] , [162, 161,  30,  31] ,
	[ 46,  45,   2,   5] , [141, 172, 209,  33] , [394, 392, 328, 327] , [ 32,  26, 131, 227] , [300, 298, 339, 338] ,
	[395, 396, 379, 380] , [102,  37, 143, 101] , [217, 213,  58, 187] , [327,   3, 165, 394] , [242, 239,  21, 243] ,
	[186,  41,  93, 187] , [269, 303,  12,  13] , [192,  81,  43, 184] , [140,  35, 144, 157] , [223, 222,  56,  66] ,
	[189, 115, 218, 175] , [323, 427, 424, 392] , [ 37, 204, 130, 143] , [280, 430, 421, 361] , [  2, 275, 276,   5] ,
	[134, 244, 191, 174] , [241,  76,  60, 236] , [108,  10, 152, 109] , [ 27, 155, 154,  23] , [211, 215, 136, 170] ,
	[355, 275,   2,  20] , [ 90,  89,  96,  97] , [321, 320, 404, 405] , [316, 315, 406, 405] , [107,  44, 203, 205] ,
	[201, 422, 314,  19] , [153, 176, 172, 149] , [376, 274, 288, 292] , [292, 288, 411, 410] , [130, 204, 166,  99] ,
	[115,  48, 127, 218] , [327, 328, 461, 329] , [105, 106,  67,  70] , [236,  65,  99, 241] , [200, 201, 202, 209] ,
	[332, 295, 328, 359] , [100,  61,  76, 241] , [243, 142, 126, 242] , [329, 463, 371, 327] , [220, 167,  80, 219] ,
	[233,  27,  23, 232] , [190, 222,  57, 191] , [223,  29,  57, 222] , [244, 113, 234, 245] , [ 32, 229, 111,  26] ,
	[226,  31,  30, 225] , [232,  23,  24, 231] , [225,  30,  28, 224] , [114, 227, 131, 248] , [ 32, 227,  36, 112] ,
	[234, 113,  27, 233] , [230,  25, 111, 229] , [224,  28,  29, 223] , [ 95,  20, 126, 142] , [239, 240,  80,  21] ,
	[243,  21,  61, 100] , [157,  71,  72, 140] , [ 76,  61, 167,  60] , [189, 123, 194, 246] , [231,  24,  25, 230] ,
	[232, 231, 120, 121] , [121, 101,  48, 122] , [208, 206,  51, 188] , [332, 280, 279, 295] , [196, 249, 420, 198] ,
	[199, 210,  50, 132] , [177, 149, 172, 141] , [117, 124, 118, 112] , [ 28, 160, 159,  29] , [245, 190, 191, 244] ,
	[379, 396, 370, 401] , [268, 303, 304, 270] , [351, 453, 454, 358] , [ 75,  74,  40,  41] , [169, 418, 286,   9] ,
	[283, 444, 445, 284] , [397, 176, 153, 378] , [110,  68,  70, 109] , [301, 277, 354, 384] , [186,  62,  77, 185] ,
	[299, 294, 301, 302] , [ 50,  49, 116, 132] , [422, 201, 200, 429] , [304, 272, 273, 305] , [271, 323, 392, 270] ,
	[296, 443, 444, 283] , [427, 437, 428, 426] , [336, 322, 406, 407] , [ 19, 314, 315,  18] , [387, 388, 260, 258] ,
	[255, 374, 375, 254] , [314, 422, 419, 407] , [297, 335, 334, 300] , [313, 312, 272, 269] , [ 55,  22,  72,  69] ,
	[221,  46,  52, 135] , [391, 374, 255, 340] , [315, 316,  17,  18] , [372, 267, 331, 330] , [423, 274, 336, 425] ,
	[ 58,  44, 147,  62] , [ 91,  78, 147,  92] , [182,  85,  86, 181] , [423, 425, 432, 431] , [357, 265, 448, 455] ,
	[268, 270, 392, 394] , [358, 454, 465, 466] , [264, 360, 468, 467] , [264, 250, 256, 360] , [421, 430, 356, 438] ,
	[194, 123,   7, 169] , [449, 450, 348, 347] , [277, 284, 445, 446] , [241,  99,  98, 100] , [281, 331, 267, 426] ,
	[307, 292, 410, 409] , [260, 388, 389, 261] , [364, 457, 249, 282] , [338, 339,  11, 152] , [438, 344, 413, 400] ,
	[349, 451, 452, 350] , [345, 279, 280, 361] , [402, 377, 434, 436] , [367, 324, 455, 448] , [182,  92, 107, 183] ,
	[418, 414, 442, 286] , [360, 256, 262, 447] , [284, 277, 301, 294] , [291, 251, 463, 329] , [344, 358, 466, 413] ,
	[179,  89,  90, 180] , [266, 341, 346, 373] , [429, 397, 370, 263] , [296, 283, 335, 297] , [275, 355, 462, 458] ,
	[  4, 237, 135,  52] , [359, 424, 267, 372] , [386, 387, 258, 259] , [394, 165,   1, 268] , [207, 217, 187,  93] ,
	[278, 356, 372, 330] , [ 44,  58, 213, 203] , [459, 460, 458, 462] , [381, 382, 257, 253] , [266, 447, 262, 341] ,
	[399, 385, 287, 415] , [437, 433, 435, 428] , [447, 266, 354, 343] , [183, 107, 205, 195] , [ 43,  42,  74,  75] ,
	[302, 301, 384, 369] , [425, 419, 263, 432] , [295, 279, 440, 456] , [ 49,  50, 103,  65] , [ 74,  42,  39,  73] ,
	[433, 423, 431, 435] , [311, 273, 272, 312] , [353, 367, 448, 346] , [252, 302, 369, 390] , [209, 172, 176, 200] ,
	[ 56, 194, 169,   9] , [377, 412, 417, 434] , [ 90,  97,  78,  91] , [330, 331, 349, 350] , [180,  90,  91, 181] ,
	[281, 348, 349, 331] , [265, 373, 346, 448] , [324, 367, 402, 362] , [308, 326, 320, 321] , [ 16,  15,  88,  87] ,
	[266, 373, 384, 354] , [353, 347, 348, 281] , [363, 399, 415, 464] , [318,  15,  16, 317] , [356, 278, 344, 438] ,
	[ 96,  79,  63,  97] , [ 11, 110, 109, 152] , [398, 368, 365, 366] , [  2,  45, 126,  20] , [313, 269,  13,  14] ,
	[237, 199, 132, 135] , [187,  58,  62, 186] , [152,  10, 337, 338] , [ 42,  82,  83,  39] , [414, 418, 466, 465] ,
	[467, 468, 261, 389] , [  9, 286, 337,  10] , [446, 343, 354, 277] , [265, 357, 390, 369] , [436, 434, 417, 368] ,
	[170, 136, 137, 151] , [458, 441, 276, 275] , [212, 205, 203, 211] , [347, 353, 346, 341] , [284, 294, 335, 283] ,
	[452, 453, 351, 350] , [ 95,   3, 327, 371] , [450, 451, 349, 348] , [197,   4, 196, 198] , [254, 375, 381, 253] ,
	[345, 441, 458, 439] , [367, 353, 377, 402] , [449, 347, 341, 262] , [360, 447, 343, 468] , [136, 139, 173, 137] ,
	[289, 436, 368, 398] , [281, 426, 428, 412] , [288, 433, 437, 411] , [ 99, 166, 168,  98] , [142, 243, 100,  98] ,
	[175, 237,   4, 197] , [185,  75,  41, 186] , [307, 293, 326, 308] , [396, 432, 263, 370] , [286, 442, 443, 296] ,
	[428, 435, 417, 412] , [411, 437, 427, 323] , [421, 438, 400, 457] , [165,   3,  98, 168] , [279, 345, 439, 440] ,
	[391, 340, 256, 250] , [306, 291, 329, 461] , [373, 265, 369, 384] , [386, 259, 287, 385] , [435, 365, 368, 417] ,
	[251, 459, 462, 463] , [320, 319, 403, 404] , [ 17,  16,  87,  86] , [322, 321, 405, 406] , [ 85,  84,  19,  18] ,
	[433, 288, 274, 423] , [362, 402, 436, 289] , [185,  77,  63, 184] , [293, 307, 409, 408] , [392, 424, 359, 328] ,
	[352,   7, 198, 420] , [228, 138, 124, 117] , [393, 290, 456, 440] , [176, 397, 429, 200] , [220,  49,  65, 236] ,
	[424, 427, 426, 267] , [332, 359, 430, 280] , [365, 435, 431, 395] , [310, 251, 291, 393] , [355, 371, 463, 462] ,
	[ 98,   3,  95, 142] , [255, 254, 451, 450] , [415, 414, 465, 464] , [254, 253, 452, 451] , [261, 468, 343, 446] ,
	[260, 261, 446, 445] , [258, 260, 445, 444] , [454, 342, 464, 465] , [198,   7, 123, 197] , [259, 258, 444, 443] ,
	[287, 442, 414, 415] , [340, 449, 262, 256] , [340, 255, 450, 449] , [257, 342, 454, 453] , [ 61,  21,  80, 167] ,
	[310, 393, 440, 439] , [338, 337, 297, 300] , [310, 460, 459, 251] , [ 51, 124, 148, 188] , [253, 257, 453, 452] ,
	[215, 193, 139, 136] , [351, 358, 344, 278] , [113, 156, 155,  27] , [  6,  52,  46,   5] , [206, 207, 204,  37] ,
	[249, 196,   6, 282] , [216, 178, 133,  59] , [286, 296, 297, 337] , [382, 383, 342, 257] , [287, 259, 443, 442] ,
	[211, 170, 171, 212] , [306, 461, 456, 290] , [104, 105,  70,  68] , [271, 305, 409, 410] , [460, 310, 439, 458] ,
	[214, 216, 139, 193] , [317, 316, 405, 404] , [181,  91,  92, 182] , [  1, 165, 168,  38] , [363, 464, 342, 383] ,
	[210, 130, 103,  50] , [305, 273, 408, 409] , [311, 416, 408, 273] , [309, 293, 408, 416] , [184,  63,  79, 192] 
]

class face_image_to_face_mesh:
    def demo(self):
        demo = gr.Blocks()
        with demo:
            gr.Markdown(
            """
            # Face Image to Face Quad Mesh
            Uses MediaPipe to detect a face in an image and convert it to a (mostly) quad mesh.
            Currently saves to OBJ, hopefully glb at some point with color data.
            The 3d viewer has Y pointing the opposite direction from Blender, so ya hafta spin it.
            """)

            with gr.Row():
                with gr.Column():
                    upload_image = gr.Image(label="Input image", type="numpy", source="upload")
                    gr.Examples( examples=[
                        'examples/blonde-00019-1421846474.png',
                        'examples/dude-00110-1227390728.png',
                        'examples/granny-00056-1867315302.png',
                        'examples/tuffie-00039-499759385.png',
                    ], inputs=[upload_image] )
                    upload_image_btn = gr.Button(value="Detect faces")
                    with gr.Group():
                        min_detection_confidence = gr.Slider(label="Min detection confidence", value=0.5, minimum=0.0, maximum=1.0, step=0.01)
                        gr.Textbox(show_label=False, value="Minimum confidence value ([0.0, 1.0]) from the face detection model for the detection to be considered successful.")
                with gr.Column():
                    with gr.Group():
                        num_faces_detected = gr.Number(label="Number of faces detected", value=0)
                        output_mesh = gr.Model3D(clear_color=[0.0, 0.0, 0.0, 0.0],  label="3D Model")
                        output_image = gr.Image(label="Output image")

            outputs = [output_mesh, output_image, num_faces_detected]
            upload_image_btn.click(
                fn=self.detect, 
                inputs=[upload_image, min_detection_confidence], 
                outputs=outputs
            )
        demo.launch()


    def detect(self, image, min_detection_confidence):
        width  = image.shape[1]
        height = image.shape[0]
        ratio  = width / height
            
        mesh = "examples/jackiechan.obj"

        drawing_spec = mp_drawing.DrawingSpec(thickness=1, circle_radius=1)
        with mp_face_mesh.FaceMesh(
            static_image_mode=True,
            max_num_faces=1,
            min_detection_confidence=min_detection_confidence) as face_mesh:
            results = face_mesh.process(cv2.cvtColor(image, cv2.COLOR_BGR2RGB))
            if not results.multi_face_landmarks:
                return mesh, image, 0

            annotated_image = image.copy()
            for face_landmarks in results.multi_face_landmarks:
                mesh = self.toObj(ratio=ratio, landmark_list=face_landmarks)

                mp_drawing.draw_landmarks(
                    image=annotated_image,
                    landmark_list=face_landmarks,
                    connections=mp_face_mesh.FACEMESH_TESSELATION,
                    landmark_drawing_spec=None,
                    connection_drawing_spec=mp_drawing_styles
                    .get_default_face_mesh_tesselation_style())
                mp_drawing.draw_landmarks(
                    image=annotated_image,
                    landmark_list=face_landmarks,
                    connections=mp_face_mesh.FACEMESH_CONTOURS,
                    landmark_drawing_spec=None,
                    connection_drawing_spec=mp_drawing_styles
                    .get_default_face_mesh_contours_style())

            return mesh, annotated_image,1

    def toObj( self, ratio: float, landmark_list: landmark_pb2.NormalizedLandmarkList):
        print( f'you have such pretty hair' )
        lines = []
        points = self.landmarksToPoints( ratio, landmark_list )
        for point in points:
            vertex = "v " + " ".join([str(value) for value in point])
            lines.append( vertex )
        for quad in QUADS:
            face = "f " + " ".join([str(vertex) for vertex in quad])
            lines.append( face )
            normal = self.totallyNormal( points[ quad[ 0 ] -1 ], points[ quad[ 1 ] -1 ], points[ quad[ 2 ] -1 ] )
            lines.append( "vn " + " ".join([str(value) for value in normal]) )

        obj_file = tempfile.NamedTemporaryFile(suffix='.obj', delete=False)
        output_file = obj_file.name
        out = open( output_file, 'w' )
        out.write( '\n'.join( lines ) )
        out.close()
        print( f'I know it is special to you so I saved it to {output_file} since we are friends' )
        return output_file

    def landmarksToPoints( self, ratio: float, landmark_list: landmark_pb2.NormalizedLandmarkList ):
        points = []
        mins = [+np.inf] * 3
        maxs = [-np.inf] * 3
        for idx, landmark in enumerate(landmark_list.landmark):
            if ((landmark.HasField('visibility') and
                landmark.visibility < _VISIBILITY_THRESHOLD) or
                (landmark.HasField('presence') and
                landmark.presence < _PRESENCE_THRESHOLD)):
                    idk_what_to_do_for_this = True
            point = [landmark.x * ratio, -landmark.y, -landmark.z];
            for pidx,value in enumerate( point ):
                mins[pidx] = min(mins[pidx],value)
                maxs[pidx] = max(maxs[pidx],value)
            points.append( point )

        mids = [(min_val + max_val) / 2 for min_val, max_val in zip(mins, maxs)]
        for idx,point in enumerate( points ):
            points[idx] = [(val-mid) for val, mid in zip(point,mids)]

        print( f'mins: {mins}' )
        print( f'mids: {mids}' )
        print( f'maxs: {maxs}' )
        return points

    def totallyNormal(self, p0, p1, p2):
        v1 = np.array(p1) - np.array(p0)
        v2 = np.array(p2) - np.array(p0)
        normal = np.cross(v1, v2)
        normal = normal / np.linalg.norm(normal)
        return normal.tolist()    


face_image_to_face_mesh().demo()