import cv2 import mediapipe as mp import numpy as np from mediapipe.framework.formats import landmark_pb2 class FaceMeshVisualizer: def __init__(self, forehead_edge=False, iris_edge=False, iris_point=False): self.mp_drawing = mp.solutions.drawing_utils mp_face_mesh = mp.solutions.face_mesh self.mp_face_mesh = mp_face_mesh self.forehead_edge = forehead_edge DrawingSpec = mp.solutions.drawing_styles.DrawingSpec f_thick = 1 f_rad = 1 right_iris_draw = DrawingSpec(color=(10, 200, 250), thickness=f_thick, circle_radius=f_rad) right_eye_draw = DrawingSpec(color=(10, 200, 180), thickness=f_thick, circle_radius=f_rad) right_eyebrow_draw = DrawingSpec(color=(10, 220, 180), thickness=f_thick, circle_radius=f_rad) left_iris_draw = DrawingSpec(color=(250, 200, 10), thickness=f_thick, circle_radius=f_rad) left_eye_draw = DrawingSpec(color=(180, 200, 10), thickness=f_thick, circle_radius=f_rad) left_eyebrow_draw = DrawingSpec(color=(180, 220, 10), thickness=f_thick, circle_radius=f_rad) # head_draw = DrawingSpec(color=(10, 200, 10), thickness=f_thick, circle_radius=f_rad) head_draw = DrawingSpec(color=(0, 0, 0), thickness=f_thick, circle_radius=f_rad) mouth_draw_obl = DrawingSpec(color=(10, 180, 20), thickness=f_thick, circle_radius=f_rad) mouth_draw_obr = DrawingSpec(color=(20, 10, 180), thickness=f_thick, circle_radius=f_rad) mouth_draw_ibl = DrawingSpec(color=(100, 100, 30), thickness=f_thick, circle_radius=f_rad) mouth_draw_ibr = DrawingSpec(color=(100, 150, 50), thickness=f_thick, circle_radius=f_rad) mouth_draw_otl = DrawingSpec(color=(20, 80, 100), thickness=f_thick, circle_radius=f_rad) mouth_draw_otr = DrawingSpec(color=(80, 100, 20), thickness=f_thick, circle_radius=f_rad) mouth_draw_itl = DrawingSpec(color=(120, 100, 200), thickness=f_thick, circle_radius=f_rad) mouth_draw_itr = DrawingSpec(color=(150 ,120, 100), thickness=f_thick, circle_radius=f_rad) self.pupil_landmark_spec = {468: right_iris_draw, 473: left_iris_draw} # FACEMESH_LIPS_OUTER_BOTTOM_LEFT = [(61,146),(146,91),(91,181),(181,84),(84,17)] # FACEMESH_LIPS_OUTER_BOTTOM_RIGHT = [(17,314),(314,405),(405,321),(321,375),(375,291)] # FACEMESH_LIPS_INNER_BOTTOM_LEFT = [(78,95),(95,88),(88,178),(178,87),(87,14)] # FACEMESH_LIPS_INNER_BOTTOM_RIGHT = [(14,317),(317,402),(402,318),(318,324),(324,308)] # FACEMESH_LIPS_OUTER_TOP_LEFT = [(61,185),(185,40),(40,39),(39,37),(37,0)] # FACEMESH_LIPS_OUTER_TOP_RIGHT = [(0,267),(267,269),(269,270),(270,409),(409,291)] # FACEMESH_LIPS_INNER_TOP_LEFT = [(78,191),(191,80),(80,81),(81,82),(82,13)] # FACEMESH_LIPS_INNER_TOP_RIGHT = [(13,312),(312,311),(311,310),(310,415),(415,308)] # FACEMESH_CUSTOM_FACE_OVAL = [(176, 149), (150, 136), (356, 454), (58, 132), (152, 148), (361, 288), (251, 389), (132, 93), (389, 356), (400, 377), (136, 172), (377, 152), (323, 361), (172, 58), (454, 323), (365, 379), (379, 378), (148, 176), (93, 234), (397, 365), (149, 150), (288, 397), (234, 127), (378, 400), (127, 162), (162, 21)] index_mapping = [276, 282, 283, 285, 293, 295, 296, 300, 334, 336, 46, 52, 53, 55, 63, 65, 66, 70, 105, 107, 249, 263, 362, 373, 374, 380, 381, 382, 384, 385, 386, 387, 388, 390, 398, 466, 7, 33, 133, 144, 145, 153, 154, 155, 157, 158, 159, 160, 161, 163, 173, 246, 168, 6, 197, 195, 5, 4, 129, 98, 97, 2, 326, 327, 358, 0, 13, 14, 17, 37, 39, 40, 61, 78, 80, 81, 82, 84, 87, 88, 91, 95, 146, 178, 181, 185, 191, 267, 269, 270, 291, 308, 310, 311, 312, 314, 317, 318, 321, 324, 375, 402, 405, 409, 415]#, 469, 470, 471, 472, 474, 475, 476, 477] self.index_mapping = index_mapping def safe_index(mapping, value): try: return mapping.index(value) except ValueError: return None # 使用新的landmark索引映射 FACEMESH_LIPS_OUTER_BOTTOM_LEFT = [ (a, b) for a, b in [ (safe_index(index_mapping, 61), safe_index(index_mapping, 146)), (safe_index(index_mapping, 146), safe_index(index_mapping, 91)), (safe_index(index_mapping, 91), safe_index(index_mapping, 181)), (safe_index(index_mapping, 181), safe_index(index_mapping, 84)), (safe_index(index_mapping, 84), safe_index(index_mapping, 17)) ] if a is not None and b is not None ] FACEMESH_LIPS_OUTER_BOTTOM_RIGHT = [ (a, b) for a, b in [ (safe_index(index_mapping, 17), safe_index(index_mapping, 314)), (safe_index(index_mapping, 314), safe_index(index_mapping, 405)), (safe_index(index_mapping, 405), safe_index(index_mapping, 321)), (safe_index(index_mapping, 321), safe_index(index_mapping, 375)), (safe_index(index_mapping, 375), safe_index(index_mapping, 291)) ] if a is not None and b is not None ] FACEMESH_LIPS_INNER_BOTTOM_LEFT = [ (a, b) for a, b in [ (safe_index(index_mapping, 78), safe_index(index_mapping, 95)), (safe_index(index_mapping, 95), safe_index(index_mapping, 88)), (safe_index(index_mapping, 88), safe_index(index_mapping, 178)), (safe_index(index_mapping, 178), safe_index(index_mapping, 87)), (safe_index(index_mapping, 87), safe_index(index_mapping, 14)) ] if a is not None and b is not None ] FACEMESH_LIPS_INNER_BOTTOM_RIGHT = [ (a, b) for a, b in [ (safe_index(index_mapping, 14), safe_index(index_mapping, 317)), (safe_index(index_mapping, 317), safe_index(index_mapping, 402)), (safe_index(index_mapping, 402), safe_index(index_mapping, 318)), (safe_index(index_mapping, 318), safe_index(index_mapping, 324)), (safe_index(index_mapping, 324), safe_index(index_mapping, 308)) ] if a is not None and b is not None ] FACEMESH_LIPS_OUTER_TOP_LEFT = [ (a, b) for a, b in [ (safe_index(index_mapping, 61), safe_index(index_mapping, 185)), (safe_index(index_mapping, 185), safe_index(index_mapping, 40)), (safe_index(index_mapping, 40), safe_index(index_mapping, 39)), (safe_index(index_mapping, 39), safe_index(index_mapping, 37)), (safe_index(index_mapping, 37), safe_index(index_mapping, 0)) ] if a is not None and b is not None ] FACEMESH_LIPS_OUTER_TOP_RIGHT = [ (a, b) for a, b in [ (safe_index(index_mapping, 0), safe_index(index_mapping, 267)), (safe_index(index_mapping, 267), safe_index(index_mapping, 269)), (safe_index(index_mapping, 269), safe_index(index_mapping, 270)), (safe_index(index_mapping, 270), safe_index(index_mapping, 409)), (safe_index(index_mapping, 409), safe_index(index_mapping, 291)) ] if a is not None and b is not None ] FACEMESH_LIPS_INNER_TOP_LEFT = [ (a, b) for a, b in [ (safe_index(index_mapping, 78), safe_index(index_mapping, 191)), (safe_index(index_mapping, 191), safe_index(index_mapping, 80)), (safe_index(index_mapping, 80), safe_index(index_mapping, 81)), (safe_index(index_mapping, 81), safe_index(index_mapping, 82)), (safe_index(index_mapping, 82), safe_index(index_mapping, 13)) ] if a is not None and b is not None ] FACEMESH_LIPS_INNER_TOP_RIGHT = [ (a, b) for a, b in [ (safe_index(index_mapping, 13), safe_index(index_mapping, 312)), (safe_index(index_mapping, 312), safe_index(index_mapping, 311)), (safe_index(index_mapping, 311), safe_index(index_mapping, 310)), (safe_index(index_mapping, 310), safe_index(index_mapping, 415)), (safe_index(index_mapping, 415), safe_index(index_mapping, 308)) ] if a is not None and b is not None ] FACEMESH_EYE_RIGHT = [ (a, b) for a, b in [ (safe_index(index_mapping, 144), safe_index(index_mapping, 145)), (safe_index(index_mapping, 145), safe_index(index_mapping, 153)), (safe_index(index_mapping, 153), safe_index(index_mapping, 154)), (safe_index(index_mapping, 154), safe_index(index_mapping, 155)), (safe_index(index_mapping, 155), safe_index(index_mapping, 157)), (safe_index(index_mapping, 157), safe_index(index_mapping, 158)), (safe_index(index_mapping, 158), safe_index(index_mapping, 159)), (safe_index(index_mapping, 159), safe_index(index_mapping, 160)), (safe_index(index_mapping, 160), safe_index(index_mapping, 161)), (safe_index(index_mapping, 161), safe_index(index_mapping, 33)), (safe_index(index_mapping, 33), safe_index(index_mapping, 7)), (safe_index(index_mapping, 7), safe_index(index_mapping, 163)), (safe_index(index_mapping, 46), safe_index(index_mapping, 53)), (safe_index(index_mapping, 53), safe_index(index_mapping, 52)), (safe_index(index_mapping, 52), safe_index(index_mapping, 65)), (safe_index(index_mapping, 65), safe_index(index_mapping, 55)), (safe_index(index_mapping, 107), safe_index(index_mapping, 66)), (safe_index(index_mapping, 66), safe_index(index_mapping, 105)), (safe_index(index_mapping, 105), safe_index(index_mapping, 63)), (safe_index(index_mapping, 63), safe_index(index_mapping, 70)), ] if a is not None and b is not None ] # index_mapping = [276, 282, 283, 285, 293, 295, 296, 300, 334, 336, 46, 52, 53, # 55, 63, 65, 66, 70, 105, 107, 249, 263, 362, 373, 374, 380, # 381, 382, 384, 385, 386, 387, 388, 390, 398, 466, 7, 33, 133, # 144, 145, 153, 154, 155, 157, 158, 159, 160, 161, 163, 173, 246, # 168, 6, 197, 195, 5, 4, 129, 98, 97, 2, 326, 327, 358, # 0, 13, 14, 17, 37, 39, 40, 61, 78, 80, 81, 82, 84, # 87, 88, 91, 95, 146, 178, 181, 185, 191, 267, 269, 270, 291, # 308, 310, 311, 312, 314, 317, 318, 321, 324, 375, 402, 405, 409, # 415] FACEMESH_EYE_LEFT = [ (a, b) for a, b in [ (safe_index(index_mapping, 362), safe_index(index_mapping, 382)), (safe_index(index_mapping, 382), safe_index(index_mapping, 381)), (safe_index(index_mapping, 381), safe_index(index_mapping, 380)), (safe_index(index_mapping, 380), safe_index(index_mapping, 374)), (safe_index(index_mapping, 374), safe_index(index_mapping, 373)), (safe_index(index_mapping, 373), safe_index(index_mapping, 390)), (safe_index(index_mapping, 390), safe_index(index_mapping, 249)), (safe_index(index_mapping, 249), safe_index(index_mapping, 263)), (safe_index(index_mapping, 263), safe_index(index_mapping, 466)), (safe_index(index_mapping, 466), safe_index(index_mapping, 388)), (safe_index(index_mapping, 388), safe_index(index_mapping, 387)), (safe_index(index_mapping, 387), safe_index(index_mapping, 386)), (safe_index(index_mapping, 386), safe_index(index_mapping, 385)), (safe_index(index_mapping, 385), safe_index(index_mapping, 384)), (safe_index(index_mapping, 384), safe_index(index_mapping, 398)), (safe_index(index_mapping, 398), safe_index(index_mapping, 362)), # (safe_index(index_mapping, 285), safe_index(index_mapping, 295)), # (safe_index(index_mapping, 295), safe_index(index_mapping, 282)), # (safe_index(index_mapping, 282), safe_index(index_mapping, 283)), # (safe_index(index_mapping, 283), safe_index(index_mapping, 276)), # (safe_index(index_mapping, 336), safe_index(index_mapping, 296)), # (safe_index(index_mapping, 296), safe_index(index_mapping, 334)), # (safe_index(index_mapping, 334), safe_index(index_mapping, 293)), # (safe_index(index_mapping, 293), safe_index(index_mapping, 300)), ] if a is not None and b is not None ] FACEMESH_EYE_LEFT_new = [(0,267),(267,269),(269,270),(270,409),(409,291)] FACEMESH_EYEBROW_LEFT = [ (a, b) for a, b in [ (safe_index(index_mapping, 285), safe_index(index_mapping, 295)), (safe_index(index_mapping, 295), safe_index(index_mapping, 282)), (safe_index(index_mapping, 282), safe_index(index_mapping, 283)), (safe_index(index_mapping, 283), safe_index(index_mapping, 276)), (safe_index(index_mapping, 336), safe_index(index_mapping, 296)), (safe_index(index_mapping, 296), safe_index(index_mapping, 334)), (safe_index(index_mapping, 334), safe_index(index_mapping, 293)), (safe_index(index_mapping, 293), safe_index(index_mapping, 300)), ] if a is not None and b is not None ] FACEMESH_EYE_RIGHT = [ (a, b) for a, b in [ (safe_index(index_mapping, 144), safe_index(index_mapping, 145)), (safe_index(index_mapping, 145), safe_index(index_mapping, 153)), (safe_index(index_mapping, 153), safe_index(index_mapping, 154)), (safe_index(index_mapping, 154), safe_index(index_mapping, 155)), (safe_index(index_mapping, 155), safe_index(index_mapping, 133)), (safe_index(index_mapping, 133), safe_index(index_mapping, 173)), (safe_index(index_mapping, 173), safe_index(index_mapping, 157)), (safe_index(index_mapping, 157), safe_index(index_mapping, 158)), (safe_index(index_mapping, 158), safe_index(index_mapping, 159)), (safe_index(index_mapping, 159), safe_index(index_mapping, 160)), (safe_index(index_mapping, 160), safe_index(index_mapping, 161)), (safe_index(index_mapping, 161), safe_index(index_mapping, 246)), (safe_index(index_mapping, 246), safe_index(index_mapping, 33)), (safe_index(index_mapping, 33), safe_index(index_mapping, 7)), (safe_index(index_mapping, 7), safe_index(index_mapping, 163)), (safe_index(index_mapping, 163), safe_index(index_mapping, 144)), ] if a is not None and b is not None ] FACEMESH_EYEBROW_RIGHT = [ (a, b) for a, b in [ (safe_index(index_mapping, 46), safe_index(index_mapping, 53)), (safe_index(index_mapping, 53), safe_index(index_mapping, 52)), (safe_index(index_mapping, 52), safe_index(index_mapping, 65)), (safe_index(index_mapping, 65), safe_index(index_mapping, 55)), (safe_index(index_mapping, 70), safe_index(index_mapping, 63)), (safe_index(index_mapping, 63), safe_index(index_mapping, 105)), (safe_index(index_mapping, 105), safe_index(index_mapping, 66)), (safe_index(index_mapping, 66), safe_index(index_mapping, 107)), ] if a is not None and b is not None ] FACE_LANDMARKS_LEFT_IRIS = [ (a, b) for a, b in [ (safe_index(index_mapping, 469), safe_index(index_mapping, 470)), (safe_index(index_mapping, 470), safe_index(index_mapping, 471)), (safe_index(index_mapping, 471), safe_index(index_mapping, 472)), (safe_index(index_mapping, 472), safe_index(index_mapping, 469)), ] if a is not None and b is not None ] FACE_LANDMARKS_RIGHT_IRIS = [ (a, b) for a, b in [ (safe_index(index_mapping, 474), safe_index(index_mapping, 475)), (safe_index(index_mapping, 475), safe_index(index_mapping, 476)), (safe_index(index_mapping, 476), safe_index(index_mapping, 477)), (safe_index(index_mapping, 477), safe_index(index_mapping, 474)), ] if a is not None and b is not None ] FACEMESH_CUSTOM_FACE_OVAL = [ (a, b) for a, b in [ (safe_index(index_mapping, 144), safe_index(index_mapping, 145)), (safe_index(index_mapping, 145), safe_index(index_mapping, 153)), (safe_index(index_mapping, 153), safe_index(index_mapping, 154)), (safe_index(index_mapping, 154), safe_index(index_mapping, 155)), (safe_index(index_mapping, 155), safe_index(index_mapping, 157)), (safe_index(index_mapping, 157), safe_index(index_mapping, 158)), (safe_index(index_mapping, 158), safe_index(index_mapping, 159)), (safe_index(index_mapping, 159), safe_index(index_mapping, 160)), (safe_index(index_mapping, 160), safe_index(index_mapping, 161)), (safe_index(index_mapping, 161), safe_index(index_mapping, 33)), (safe_index(index_mapping, 33), safe_index(index_mapping, 7)), (safe_index(index_mapping, 7), safe_index(index_mapping, 163)), (safe_index(index_mapping, 163), safe_index(index_mapping, 144)), (safe_index(index_mapping, 172), safe_index(index_mapping, 58)), (safe_index(index_mapping, 454), safe_index(index_mapping, 323)), (safe_index(index_mapping, 365), safe_index(index_mapping, 379)), (safe_index(index_mapping, 379), safe_index(index_mapping, 378)), (safe_index(index_mapping, 148), safe_index(index_mapping, 176)), (safe_index(index_mapping, 93), safe_index(index_mapping, 234)), (safe_index(index_mapping, 397), safe_index(index_mapping, 365)), (safe_index(index_mapping, 149), safe_index(index_mapping, 150)), (safe_index(index_mapping, 288), safe_index(index_mapping, 397)), (safe_index(index_mapping, 234), safe_index(index_mapping, 127)), (safe_index(index_mapping, 378), safe_index(index_mapping, 400)), (safe_index(index_mapping, 127), safe_index(index_mapping, 162)), (safe_index(index_mapping, 162), safe_index(index_mapping, 21)) ] if a is not None and b is not None ] # import pdb;pdb.set_trace() # mp_face_mesh.FACEMESH_CONTOURS has all the items we care about. face_connection_spec = {} # if self.forehead_edge: # for edge in mp_face_mesh.FACEMESH_FACE_OVAL: # face_connection_spec[edge] = head_draw # else: for edge in FACEMESH_CUSTOM_FACE_OVAL: face_connection_spec[edge] = head_draw # for edge in mp_face_mesh.FACEMESH_LEFT_EYE: # face_connection_spec[edge] = left_eye_draw # for edge in mp_face_mesh.FACEMESH_LEFT_EYEBROW: # face_connection_spec[edge] = left_eyebrow_draw # for edge in mp_face_mesh.FACEMESH_RIGHT_EYE: # face_connection_spec[edge] = right_eye_draw # for edge in mp_face_mesh.FACEMESH_RIGHT_EYEBROW: # face_connection_spec[edge] = right_eyebrow_draw # if iris_edge: # for edge in mp_face_mesh.FACEMESH_LEFT_IRIS: # face_connection_spec[edge] = left_iris_draw # for edge in mp_face_mesh.FACEMESH_RIGHT_IRIS: # face_connection_spec[edge] = right_iris_draw # for edge in mp_face_mesh.FACEMESH_LIPS: # face_connection_spec[edge] = mouth_draw for edge in FACEMESH_EYE_LEFT: face_connection_spec[edge] = left_eye_draw for edge in FACEMESH_EYEBROW_LEFT: face_connection_spec[edge] = left_eyebrow_draw for edge in FACEMESH_EYE_RIGHT: face_connection_spec[edge] = right_eye_draw for edge in FACEMESH_EYEBROW_RIGHT: face_connection_spec[edge] = right_eyebrow_draw for edge in FACE_LANDMARKS_LEFT_IRIS: face_connection_spec[edge] = left_iris_draw for edge in FACE_LANDMARKS_RIGHT_IRIS: face_connection_spec[edge] = right_iris_draw for edge in FACEMESH_LIPS_OUTER_BOTTOM_LEFT: face_connection_spec[edge] = mouth_draw_obl for edge in FACEMESH_LIPS_OUTER_BOTTOM_RIGHT: face_connection_spec[edge] = mouth_draw_obr for edge in FACEMESH_LIPS_INNER_BOTTOM_LEFT: face_connection_spec[edge] = mouth_draw_ibl for edge in FACEMESH_LIPS_INNER_BOTTOM_RIGHT: face_connection_spec[edge] = mouth_draw_ibr for edge in FACEMESH_LIPS_OUTER_TOP_LEFT: face_connection_spec[edge] = mouth_draw_otl for edge in FACEMESH_LIPS_OUTER_TOP_RIGHT: face_connection_spec[edge] = mouth_draw_otr for edge in FACEMESH_LIPS_INNER_TOP_LEFT: face_connection_spec[edge] = mouth_draw_itl for edge in FACEMESH_LIPS_INNER_TOP_RIGHT: face_connection_spec[edge] = mouth_draw_itr self.iris_point = iris_point self.face_connection_spec = face_connection_spec def draw_pupils(self, image, landmark_list, drawing_spec, halfwidth: int = 2): """We have a custom function to draw the pupils because the mp.draw_landmarks method requires a parameter for all landmarks. Until our PR is merged into mediapipe, we need this separate method.""" if len(image.shape) != 3: raise ValueError("Input image must be H,W,C.") image_rows, image_cols, image_channels = image.shape if image_channels != 3: # BGR channels raise ValueError('Input image must contain three channel bgr data.') for idx, landmark in enumerate(landmark_list.landmark): if ( (landmark.HasField('visibility') and landmark.visibility < 0.9) or (landmark.HasField('presence') and landmark.presence < 0.5) ): continue if landmark.x >= 1.0 or landmark.x < 0 or landmark.y >= 1.0 or landmark.y < 0: continue image_x = int(image_cols*landmark.x) image_y = int(image_rows*landmark.y) draw_color = None if isinstance(drawing_spec, Mapping): if drawing_spec.get(idx) is None: continue else: draw_color = drawing_spec[idx].color elif isinstance(drawing_spec, DrawingSpec): draw_color = drawing_spec.color image[image_y-halfwidth:image_y+halfwidth, image_x-halfwidth:image_x+halfwidth, :] = draw_color def draw_iris_points(self, image, point_list, halfwidth=2, normed=False): color = (255, 0, 0) for idx, point in enumerate(point_list): if normed: x, y = int(point[0] * image.shape[1]), int(point[1] * image.shape[0]) else: x, y = int(point[0]), int(point[1]) image[y-halfwidth:y+halfwidth, x-halfwidth:x+halfwidth, :] = color return image def draw_landmarks(self, image_size, keypoints, normed=False): ini_size = image_size #[512, 512] image = np.zeros([ini_size[1], ini_size[0], 3], dtype=np.uint8) new_landmarks = landmark_pb2.NormalizedLandmarkList() for i in range(keypoints.shape[0]): landmark = new_landmarks.landmark.add() if normed: landmark.x = keypoints[i, 0] landmark.y = keypoints[i, 1] else: landmark.x = keypoints[i, 0] / image_size[0] landmark.y = keypoints[i, 1] / image_size[1] landmark.z = 1.0 self.mp_drawing.draw_landmarks( image=image, landmark_list=new_landmarks, connections=self.face_connection_spec.keys(), landmark_drawing_spec=None, connection_drawing_spec=self.face_connection_spec ) if self.iris_point: image = self.draw_iris_points(image, [keypoints[468], keypoints[473]], halfwidth=3, normed=normed) return image def draw_mask(self, image_size, keypoints, normed=False): mask = np.zeros([image_size[1], image_size[0], 3], dtype=np.uint8) if normed: keypoints[:, 0] *= image_size[0] keypoints[:, 1] *= image_size[1] head_idxs = [21, 162, 127, 234, 93, 132, 58, 172, 136, 150, 149, 176, 148, 152, 377, 400, 378, 379, 365, 397, 288, 361, 323, 454, 356, 389] head_points = np.array(keypoints[head_idxs, :2], np.int32) mask = cv2.fillPoly(mask, [head_points], (255, 255, 255)) mask = np.array(mask) / 255.0 return mask