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from functools import lru_cache |
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from typing import List, Sequence, Tuple |
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import cv2 |
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import numpy |
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from facefusion import inference_manager, state_manager |
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from facefusion.download import conditional_download_hashes, conditional_download_sources, resolve_download_url |
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from facefusion.face_helper import create_rotated_matrix_and_size, create_static_anchors, distance_to_bounding_box, distance_to_face_landmark_5, normalize_bounding_box, transform_bounding_box, transform_points |
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from facefusion.filesystem import resolve_relative_path |
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from facefusion.thread_helper import thread_semaphore |
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from facefusion.types import Angle, BoundingBox, Detection, DownloadScope, DownloadSet, FaceLandmark5, InferencePool, ModelSet, Score, VisionFrame |
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from facefusion.vision import restrict_frame, unpack_resolution |
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@lru_cache(maxsize = None) |
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def create_static_model_set(download_scope : DownloadScope) -> ModelSet: |
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return\ |
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{ |
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'retinaface': |
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{ |
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'hashes': |
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{ |
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'retinaface': |
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{ |
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'url': resolve_download_url('models-3.0.0', 'retinaface_10g.hash'), |
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'path': resolve_relative_path('../.assets/models/retinaface_10g.hash') |
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} |
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}, |
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'sources': |
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{ |
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'retinaface': |
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{ |
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'url': resolve_download_url('models-3.0.0', 'retinaface_10g.onnx'), |
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'path': resolve_relative_path('../.assets/models/retinaface_10g.onnx') |
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} |
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} |
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}, |
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'scrfd': |
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{ |
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'hashes': |
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{ |
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'scrfd': |
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{ |
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'url': resolve_download_url('models-3.0.0', 'scrfd_2.5g.hash'), |
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'path': resolve_relative_path('../.assets/models/scrfd_2.5g.hash') |
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} |
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}, |
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'sources': |
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{ |
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'scrfd': |
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{ |
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'url': resolve_download_url('models-3.0.0', 'scrfd_2.5g.onnx'), |
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'path': resolve_relative_path('../.assets/models/scrfd_2.5g.onnx') |
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} |
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} |
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}, |
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'yolo_face': |
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{ |
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'hashes': |
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{ |
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'yolo_face': |
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{ |
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'url': resolve_download_url('models-3.0.0', 'yoloface_8n.hash'), |
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'path': resolve_relative_path('../.assets/models/yoloface_8n.hash') |
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} |
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}, |
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'sources': |
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{ |
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'yolo_face': |
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{ |
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'url': resolve_download_url('models-3.0.0', 'yoloface_8n.onnx'), |
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'path': resolve_relative_path('../.assets/models/yoloface_8n.onnx') |
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} |
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} |
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} |
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} |
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def get_inference_pool() -> InferencePool: |
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model_names = [ state_manager.get_item('face_detector_model') ] |
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_, model_source_set = collect_model_downloads() |
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return inference_manager.get_inference_pool(__name__, model_names, model_source_set) |
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def clear_inference_pool() -> None: |
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model_names = [ state_manager.get_item('face_detector_model') ] |
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inference_manager.clear_inference_pool(__name__, model_names) |
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def collect_model_downloads() -> Tuple[DownloadSet, DownloadSet]: |
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model_set = create_static_model_set('full') |
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model_hash_set = {} |
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model_source_set = {} |
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for face_detector_model in [ 'retinaface', 'scrfd', 'yolo_face' ]: |
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if state_manager.get_item('face_detector_model') in [ 'many', face_detector_model ]: |
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model_hash_set[face_detector_model] = model_set.get(face_detector_model).get('hashes').get(face_detector_model) |
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model_source_set[face_detector_model] = model_set.get(face_detector_model).get('sources').get(face_detector_model) |
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return model_hash_set, model_source_set |
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def pre_check() -> bool: |
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model_hash_set, model_source_set = collect_model_downloads() |
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return conditional_download_hashes(model_hash_set) and conditional_download_sources(model_source_set) |
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def detect_faces(vision_frame : VisionFrame) -> Tuple[List[BoundingBox], List[Score], List[FaceLandmark5]]: |
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all_bounding_boxes : List[BoundingBox] = [] |
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all_face_scores : List[Score] = [] |
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all_face_landmarks_5 : List[FaceLandmark5] = [] |
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if state_manager.get_item('face_detector_model') in [ 'many', 'retinaface' ]: |
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bounding_boxes, face_scores, face_landmarks_5 = detect_with_retinaface(vision_frame, state_manager.get_item('face_detector_size')) |
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all_bounding_boxes.extend(bounding_boxes) |
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all_face_scores.extend(face_scores) |
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all_face_landmarks_5.extend(face_landmarks_5) |
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if state_manager.get_item('face_detector_model') in [ 'many', 'scrfd' ]: |
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bounding_boxes, face_scores, face_landmarks_5 = detect_with_scrfd(vision_frame, state_manager.get_item('face_detector_size')) |
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all_bounding_boxes.extend(bounding_boxes) |
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all_face_scores.extend(face_scores) |
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all_face_landmarks_5.extend(face_landmarks_5) |
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if state_manager.get_item('face_detector_model') in [ 'many', 'yolo_face' ]: |
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bounding_boxes, face_scores, face_landmarks_5 = detect_with_yolo_face(vision_frame, state_manager.get_item('face_detector_size')) |
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all_bounding_boxes.extend(bounding_boxes) |
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all_face_scores.extend(face_scores) |
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all_face_landmarks_5.extend(face_landmarks_5) |
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all_bounding_boxes = [ normalize_bounding_box(all_bounding_box) for all_bounding_box in all_bounding_boxes ] |
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return all_bounding_boxes, all_face_scores, all_face_landmarks_5 |
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def detect_rotated_faces(vision_frame : VisionFrame, angle : Angle) -> Tuple[List[BoundingBox], List[Score], List[FaceLandmark5]]: |
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rotated_matrix, rotated_size = create_rotated_matrix_and_size(angle, vision_frame.shape[:2][::-1]) |
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rotated_vision_frame = cv2.warpAffine(vision_frame, rotated_matrix, rotated_size) |
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rotated_inverse_matrix = cv2.invertAffineTransform(rotated_matrix) |
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bounding_boxes, face_scores, face_landmarks_5 = detect_faces(rotated_vision_frame) |
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bounding_boxes = [ transform_bounding_box(bounding_box, rotated_inverse_matrix) for bounding_box in bounding_boxes ] |
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face_landmarks_5 = [ transform_points(face_landmark_5, rotated_inverse_matrix) for face_landmark_5 in face_landmarks_5 ] |
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return bounding_boxes, face_scores, face_landmarks_5 |
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def detect_with_retinaface(vision_frame : VisionFrame, face_detector_size : str) -> Tuple[List[BoundingBox], List[Score], List[FaceLandmark5]]: |
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bounding_boxes = [] |
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face_scores = [] |
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face_landmarks_5 = [] |
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feature_strides = [ 8, 16, 32 ] |
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feature_map_channel = 3 |
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anchor_total = 2 |
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face_detector_score = state_manager.get_item('face_detector_score') |
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face_detector_width, face_detector_height = unpack_resolution(face_detector_size) |
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temp_vision_frame = restrict_frame(vision_frame, (face_detector_width, face_detector_height)) |
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ratio_height = vision_frame.shape[0] / temp_vision_frame.shape[0] |
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ratio_width = vision_frame.shape[1] / temp_vision_frame.shape[1] |
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detect_vision_frame = prepare_detect_frame(temp_vision_frame, face_detector_size) |
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detect_vision_frame = normalize_detect_frame(detect_vision_frame, [ -1, 1 ]) |
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detection = forward_with_retinaface(detect_vision_frame) |
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for index, feature_stride in enumerate(feature_strides): |
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keep_indices = numpy.where(detection[index] >= face_detector_score)[0] |
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if numpy.any(keep_indices): |
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stride_height = face_detector_height // feature_stride |
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stride_width = face_detector_width // feature_stride |
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anchors = create_static_anchors(feature_stride, anchor_total, stride_height, stride_width) |
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bounding_boxes_raw = detection[index + feature_map_channel] * feature_stride |
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face_landmarks_5_raw = detection[index + feature_map_channel * 2] * feature_stride |
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for bounding_box_raw in distance_to_bounding_box(anchors, bounding_boxes_raw)[keep_indices]: |
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bounding_boxes.append(numpy.array( |
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[ |
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bounding_box_raw[0] * ratio_width, |
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bounding_box_raw[1] * ratio_height, |
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bounding_box_raw[2] * ratio_width, |
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bounding_box_raw[3] * ratio_height |
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])) |
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for face_score_raw in detection[index][keep_indices]: |
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face_scores.append(face_score_raw[0]) |
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for face_landmark_raw_5 in distance_to_face_landmark_5(anchors, face_landmarks_5_raw)[keep_indices]: |
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face_landmarks_5.append(face_landmark_raw_5 * [ ratio_width, ratio_height ]) |
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return bounding_boxes, face_scores, face_landmarks_5 |
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def detect_with_scrfd(vision_frame : VisionFrame, face_detector_size : str) -> Tuple[List[BoundingBox], List[Score], List[FaceLandmark5]]: |
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bounding_boxes = [] |
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face_scores = [] |
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face_landmarks_5 = [] |
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feature_strides = [ 8, 16, 32 ] |
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feature_map_channel = 3 |
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anchor_total = 2 |
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face_detector_score = state_manager.get_item('face_detector_score') |
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face_detector_width, face_detector_height = unpack_resolution(face_detector_size) |
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temp_vision_frame = restrict_frame(vision_frame, (face_detector_width, face_detector_height)) |
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ratio_height = vision_frame.shape[0] / temp_vision_frame.shape[0] |
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ratio_width = vision_frame.shape[1] / temp_vision_frame.shape[1] |
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detect_vision_frame = prepare_detect_frame(temp_vision_frame, face_detector_size) |
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detect_vision_frame = normalize_detect_frame(detect_vision_frame, [ -1, 1 ]) |
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detection = forward_with_scrfd(detect_vision_frame) |
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for index, feature_stride in enumerate(feature_strides): |
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keep_indices = numpy.where(detection[index] >= face_detector_score)[0] |
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if numpy.any(keep_indices): |
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stride_height = face_detector_height // feature_stride |
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stride_width = face_detector_width // feature_stride |
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anchors = create_static_anchors(feature_stride, anchor_total, stride_height, stride_width) |
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bounding_boxes_raw = detection[index + feature_map_channel] * feature_stride |
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face_landmarks_5_raw = detection[index + feature_map_channel * 2] * feature_stride |
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for bounding_box_raw in distance_to_bounding_box(anchors, bounding_boxes_raw)[keep_indices]: |
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bounding_boxes.append(numpy.array( |
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[ |
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bounding_box_raw[0] * ratio_width, |
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bounding_box_raw[1] * ratio_height, |
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bounding_box_raw[2] * ratio_width, |
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bounding_box_raw[3] * ratio_height |
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])) |
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for face_score_raw in detection[index][keep_indices]: |
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face_scores.append(face_score_raw[0]) |
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for face_landmark_raw_5 in distance_to_face_landmark_5(anchors, face_landmarks_5_raw)[keep_indices]: |
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face_landmarks_5.append(face_landmark_raw_5 * [ ratio_width, ratio_height ]) |
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return bounding_boxes, face_scores, face_landmarks_5 |
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def detect_with_yolo_face(vision_frame : VisionFrame, face_detector_size : str) -> Tuple[List[BoundingBox], List[Score], List[FaceLandmark5]]: |
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bounding_boxes = [] |
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face_scores = [] |
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face_landmarks_5 = [] |
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face_detector_score = state_manager.get_item('face_detector_score') |
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face_detector_width, face_detector_height = unpack_resolution(face_detector_size) |
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temp_vision_frame = restrict_frame(vision_frame, (face_detector_width, face_detector_height)) |
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ratio_height = vision_frame.shape[0] / temp_vision_frame.shape[0] |
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ratio_width = vision_frame.shape[1] / temp_vision_frame.shape[1] |
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detect_vision_frame = prepare_detect_frame(temp_vision_frame, face_detector_size) |
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detect_vision_frame = normalize_detect_frame(detect_vision_frame, [ 0, 1 ]) |
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detection = forward_with_yolo_face(detect_vision_frame) |
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detection = numpy.squeeze(detection).T |
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bounding_boxes_raw, face_scores_raw, face_landmarks_5_raw = numpy.split(detection, [ 4, 5 ], axis = 1) |
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keep_indices = numpy.where(face_scores_raw > face_detector_score)[0] |
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if numpy.any(keep_indices): |
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bounding_boxes_raw, face_scores_raw, face_landmarks_5_raw = bounding_boxes_raw[keep_indices], face_scores_raw[keep_indices], face_landmarks_5_raw[keep_indices] |
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for bounding_box_raw in bounding_boxes_raw: |
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bounding_boxes.append(numpy.array( |
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[ |
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(bounding_box_raw[0] - bounding_box_raw[2] / 2) * ratio_width, |
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(bounding_box_raw[1] - bounding_box_raw[3] / 2) * ratio_height, |
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(bounding_box_raw[0] + bounding_box_raw[2] / 2) * ratio_width, |
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(bounding_box_raw[1] + bounding_box_raw[3] / 2) * ratio_height |
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])) |
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face_scores = face_scores_raw.ravel().tolist() |
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face_landmarks_5_raw[:, 0::3] = (face_landmarks_5_raw[:, 0::3]) * ratio_width |
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face_landmarks_5_raw[:, 1::3] = (face_landmarks_5_raw[:, 1::3]) * ratio_height |
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for face_landmark_raw_5 in face_landmarks_5_raw: |
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face_landmarks_5.append(numpy.array(face_landmark_raw_5.reshape(-1, 3)[:, :2])) |
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return bounding_boxes, face_scores, face_landmarks_5 |
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def forward_with_retinaface(detect_vision_frame : VisionFrame) -> Detection: |
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face_detector = get_inference_pool().get('retinaface') |
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with thread_semaphore(): |
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detection = face_detector.run(None, |
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{ |
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'input': detect_vision_frame |
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}) |
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return detection |
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def forward_with_scrfd(detect_vision_frame : VisionFrame) -> Detection: |
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face_detector = get_inference_pool().get('scrfd') |
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with thread_semaphore(): |
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detection = face_detector.run(None, |
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{ |
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'input': detect_vision_frame |
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}) |
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return detection |
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def forward_with_yolo_face(detect_vision_frame : VisionFrame) -> Detection: |
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face_detector = get_inference_pool().get('yolo_face') |
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with thread_semaphore(): |
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detection = face_detector.run(None, |
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{ |
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'input': detect_vision_frame |
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}) |
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return detection |
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def prepare_detect_frame(temp_vision_frame : VisionFrame, face_detector_size : str) -> VisionFrame: |
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face_detector_width, face_detector_height = unpack_resolution(face_detector_size) |
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detect_vision_frame = numpy.zeros((face_detector_height, face_detector_width, 3)) |
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detect_vision_frame[:temp_vision_frame.shape[0], :temp_vision_frame.shape[1], :] = temp_vision_frame |
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detect_vision_frame = numpy.expand_dims(detect_vision_frame.transpose(2, 0, 1), axis = 0).astype(numpy.float32) |
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return detect_vision_frame |
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def normalize_detect_frame(detect_vision_frame : VisionFrame, normalize_range : Sequence[int]) -> VisionFrame: |
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if normalize_range == [ -1, 1 ]: |
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return (detect_vision_frame - 127.5) / 128.0 |
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if normalize_range == [ 0, 1 ]: |
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return detect_vision_frame / 255.0 |
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return detect_vision_frame |
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