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https://github.com/iperov/DeepFaceLab.git
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239 lines
11 KiB
Python
239 lines
11 KiB
Python
from enum import IntEnum
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import numpy as np
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import cv2
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import imagelib
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from facelib import LandmarksProcessor
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from facelib import FaceType
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class SampleProcessor(object):
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class TypeFlags(IntEnum):
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SOURCE = 0x00000001,
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WARPED = 0x00000002,
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WARPED_TRANSFORMED = 0x00000004,
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TRANSFORMED = 0x00000008,
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LANDMARKS_ARRAY = 0x00000010, #currently unused
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RANDOM_CLOSE = 0x00000020, #currently unused
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MORPH_TO_RANDOM_CLOSE = 0x00000040, #currently unused
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FACE_TYPE_HALF = 0x00000100,
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FACE_TYPE_FULL = 0x00000200,
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FACE_TYPE_HEAD = 0x00000400, #currently unused
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FACE_TYPE_AVATAR = 0x00000800, #currently unused
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FACE_MASK_FULL = 0x00001000,
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FACE_MASK_EYES = 0x00002000, #currently unused
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MODE_BGR = 0x00010000, #BGR
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MODE_G = 0x00020000, #Grayscale
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MODE_GGG = 0x00040000, #3xGrayscale
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MODE_M = 0x00080000, #mask only
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MODE_BGR_SHUFFLE = 0x00100000, #BGR shuffle
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OPT_APPLY_MOTION_BLUR = 0x10000000,
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class Options(object):
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#motion_blur = [chance_int, range] - chance 0..100 to apply to face (not mask), and range [1..3] where 3 is highest power of motion blur
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def __init__(self, random_flip = True, normalize_tanh = False, rotation_range=[-10,10], scale_range=[-0.05, 0.05], tx_range=[-0.05, 0.05], ty_range=[-0.05, 0.05], motion_blur=None ):
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self.random_flip = random_flip
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self.normalize_tanh = normalize_tanh
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self.rotation_range = rotation_range
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self.scale_range = scale_range
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self.tx_range = tx_range
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self.ty_range = ty_range
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self.motion_blur = motion_blur
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if self.motion_blur is not None:
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chance, range = self.motion_blur
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chance = np.clip(chance, 0, 100)
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range = [3,5,7,9][ : np.clip(range, 0, 3)+1 ]
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self.motion_blur = (chance, range)
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@staticmethod
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def process (sample, sample_process_options, output_sample_types, debug):
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SPTF = SampleProcessor.TypeFlags
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sample_bgr = sample.load_bgr()
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h,w,c = sample_bgr.shape
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is_face_sample = sample.landmarks is not None
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if debug and is_face_sample:
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LandmarksProcessor.draw_landmarks (sample_bgr, sample.landmarks, (0, 1, 0))
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close_sample = sample.close_target_list[ np.random.randint(0, len(sample.close_target_list)) ] if sample.close_target_list is not None else None
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close_sample_bgr = close_sample.load_bgr() if close_sample is not None else None
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if debug and close_sample_bgr is not None:
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LandmarksProcessor.draw_landmarks (close_sample_bgr, close_sample.landmarks, (0, 1, 0))
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params = imagelib.gen_warp_params(sample_bgr, sample_process_options.random_flip, rotation_range=sample_process_options.rotation_range, scale_range=sample_process_options.scale_range, tx_range=sample_process_options.tx_range, ty_range=sample_process_options.ty_range )
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images = [[None]*3 for _ in range(30)]
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sample_rnd_seed = np.random.randint(0x80000000)
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outputs = []
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for sample_type in output_sample_types:
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f = sample_type[0]
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size = sample_type[1]
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random_sub_size = 0 if len (sample_type) < 3 else min( sample_type[2] , size)
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if f & SPTF.SOURCE != 0:
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img_type = 0
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elif f & SPTF.WARPED != 0:
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img_type = 1
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elif f & SPTF.WARPED_TRANSFORMED != 0:
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img_type = 2
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elif f & SPTF.TRANSFORMED != 0:
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img_type = 3
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elif f & SPTF.LANDMARKS_ARRAY != 0:
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img_type = 4
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else:
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raise ValueError ('expected SampleTypeFlags type')
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if f & SPTF.RANDOM_CLOSE != 0:
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img_type += 10
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elif f & SPTF.MORPH_TO_RANDOM_CLOSE != 0:
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img_type += 20
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face_mask_type = 0
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if f & SPTF.FACE_MASK_FULL != 0:
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face_mask_type = 1
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elif f & SPTF.FACE_MASK_EYES != 0:
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face_mask_type = 2
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target_face_type = -1
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if f & SPTF.FACE_TYPE_HALF != 0:
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target_face_type = FaceType.HALF
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elif f & SPTF.FACE_TYPE_FULL != 0:
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target_face_type = FaceType.FULL
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elif f & SPTF.FACE_TYPE_HEAD != 0:
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target_face_type = FaceType.HEAD
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elif f & SPTF.FACE_TYPE_AVATAR != 0:
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target_face_type = FaceType.AVATAR
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apply_motion_blur = f & SPTF.OPT_APPLY_MOTION_BLUR != 0
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if img_type == 4:
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l = sample.landmarks
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l = np.concatenate ( [ np.expand_dims(l[:,0] / w,-1), np.expand_dims(l[:,1] / h,-1) ], -1 )
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l = np.clip(l, 0.0, 1.0)
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img = l
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else:
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if images[img_type][face_mask_type] is None:
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if img_type >= 10 and img_type <= 19: #RANDOM_CLOSE
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img_type -= 10
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img = close_sample_bgr
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cur_sample = close_sample
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elif img_type >= 20 and img_type <= 29: #MORPH_TO_RANDOM_CLOSE
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img_type -= 20
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res = sample.shape[0]
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s_landmarks = sample.landmarks.copy()
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d_landmarks = close_sample.landmarks.copy()
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idxs = list(range(len(s_landmarks)))
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#remove landmarks near boundaries
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for i in idxs[:]:
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s_l = s_landmarks[i]
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d_l = d_landmarks[i]
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if s_l[0] < 5 or s_l[1] < 5 or s_l[0] >= res-5 or s_l[1] >= res-5 or \
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d_l[0] < 5 or d_l[1] < 5 or d_l[0] >= res-5 or d_l[1] >= res-5:
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idxs.remove(i)
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#remove landmarks that close to each other in 5 dist
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for landmarks in [s_landmarks, d_landmarks]:
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for i in idxs[:]:
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s_l = landmarks[i]
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for j in idxs[:]:
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if i == j:
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continue
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s_l_2 = landmarks[j]
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diff_l = np.abs(s_l - s_l_2)
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if np.sqrt(diff_l.dot(diff_l)) < 5:
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idxs.remove(i)
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break
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s_landmarks = s_landmarks[idxs]
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d_landmarks = d_landmarks[idxs]
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s_landmarks = np.concatenate ( [s_landmarks, [ [0,0], [ res // 2, 0], [ res-1, 0], [0, res//2], [res-1, res//2] ,[0,res-1] ,[res//2, res-1] ,[res-1,res-1] ] ] )
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d_landmarks = np.concatenate ( [d_landmarks, [ [0,0], [ res // 2, 0], [ res-1, 0], [0, res//2], [res-1, res//2] ,[0,res-1] ,[res//2, res-1] ,[res-1,res-1] ] ] )
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img = imagelib.morph_by_points (sample_bgr, s_landmarks, d_landmarks)
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cur_sample = close_sample
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else:
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img = sample_bgr
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cur_sample = sample
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if is_face_sample:
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if apply_motion_blur and sample_process_options.motion_blur is not None:
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chance, mb_range = sample_process_options.motion_blur
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if np.random.randint(100) < chance :
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dim = mb_range[ np.random.randint(len(mb_range) ) ]
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img = imagelib.LinearMotionBlur (img, dim, np.random.randint(180) )
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if face_mask_type == 1:
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mask = LandmarksProcessor.get_image_hull_mask (img.shape, cur_sample.landmarks, cur_sample.ie_polys)
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img = np.concatenate( (img, mask ), -1 )
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elif face_mask_type == 2:
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mask = LandmarksProcessor.get_image_eye_mask (img.shape, cur_sample.landmarks)
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mask = np.expand_dims (cv2.blur (mask, ( w // 32, w // 32 ) ), -1)
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mask[mask > 0.0] = 1.0
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img = np.concatenate( (img, mask ), -1 )
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images[img_type][face_mask_type] = imagelib.warp_by_params (params, img, (img_type==1 or img_type==2), (img_type==2 or img_type==3), img_type != 0, face_mask_type == 0)
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img = images[img_type][face_mask_type]
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if is_face_sample and target_face_type != -1:
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if target_face_type > sample.face_type:
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raise Exception ('sample %s type %s does not match model requirement %s. Consider extract necessary type of faces.' % (sample.filename, sample.face_type, target_face_type) )
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img = cv2.warpAffine( img, LandmarksProcessor.get_transform_mat (sample.landmarks, size, target_face_type), (size,size), flags=cv2.INTER_CUBIC )
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else:
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img = cv2.resize( img, (size,size), cv2.INTER_CUBIC )
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if random_sub_size != 0:
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sub_size = size - random_sub_size
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rnd_state = np.random.RandomState (sample_rnd_seed+random_sub_size)
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start_x = rnd_state.randint(sub_size+1)
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start_y = rnd_state.randint(sub_size+1)
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img = img[start_y:start_y+sub_size,start_x:start_x+sub_size,:]
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img_bgr = img[...,0:3]
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img_mask = img[...,3:4]
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if f & SPTF.MODE_BGR != 0:
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img = img
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elif f & SPTF.MODE_BGR_SHUFFLE != 0:
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img_bgr = np.take (img_bgr, np.random.permutation(img_bgr.shape[-1]), axis=-1)
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img = np.concatenate ( (img_bgr,img_mask) , -1 )
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elif f & SPTF.MODE_G != 0:
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img = np.concatenate ( (np.expand_dims(cv2.cvtColor(img_bgr, cv2.COLOR_BGR2GRAY),-1),img_mask) , -1 )
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elif f & SPTF.MODE_GGG != 0:
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img = np.concatenate ( ( np.repeat ( np.expand_dims(cv2.cvtColor(img_bgr, cv2.COLOR_BGR2GRAY),-1), (3,), -1), img_mask), -1)
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elif is_face_sample and f & SPTF.MODE_M != 0:
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if face_mask_type== 0:
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raise ValueError ('no face_mask_type defined')
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img = img_mask
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else:
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raise ValueError ('expected SampleTypeFlags mode')
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if not debug:
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if sample_process_options.normalize_tanh:
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img = np.clip (img * 2.0 - 1.0, -1.0, 1.0)
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else:
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img = np.clip (img, 0.0, 1.0)
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outputs.append ( img )
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if debug:
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result = []
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for output in outputs:
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if output.shape[2] < 4:
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result += [output,]
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elif output.shape[2] == 4:
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result += [output[...,0:3]*output[...,3:4],]
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return result
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else:
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return outputs
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