DeepFaceLab/core/imagelib/equalize_and_stack_square.py
2020-01-21 18:43:39 +04:00

45 lines
1.3 KiB
Python

import numpy as np
import cv2
def equalize_and_stack_square (images, axis=1):
max_c = max ([ 1 if len(image.shape) == 2 else image.shape[2] for image in images ] )
target_wh = 99999
for i,image in enumerate(images):
if len(image.shape) == 2:
h,w = image.shape
c = 1
else:
h,w,c = image.shape
if h < target_wh:
target_wh = h
if w < target_wh:
target_wh = w
for i,image in enumerate(images):
if len(image.shape) == 2:
h,w = image.shape
c = 1
else:
h,w,c = image.shape
if c < max_c:
if c == 1:
if len(image.shape) == 2:
image = np.expand_dims ( image, -1 )
image = np.concatenate ( (image,)*max_c, -1 )
elif c == 2: #GA
image = np.expand_dims ( image[...,0], -1 )
image = np.concatenate ( (image,)*max_c, -1 )
else:
image = np.concatenate ( (image, np.ones((h,w,max_c - c))), -1 )
if h != target_wh or w != target_wh:
image = cv2.resize ( image, (target_wh, target_wh) )
h,w,c = image.shape
images[i] = image
return np.concatenate ( images, axis = 1 )