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from PIL import Image
import torch
import numpy as np
class PreparedSrcImg:
def __init__(self, src_rgb, crop_trans_m, x_s_info, f_s_user, x_s_user, mask_ori):
self.src_rgb = src_rgb
self.crop_trans_m = crop_trans_m
self.x_s_info = x_s_info
self.f_s_user = f_s_user
self.x_s_user = x_s_user
self.mask_ori = mask_ori
def tensor2pil(image):
return Image.fromarray(np.clip(255. * image.cpu().numpy().squeeze(), 0, 255).astype(np.uint8))
def pil2tensor(image):
return torch.from_numpy(np.array(image).astype(np.float32) / 255.0).unsqueeze(0)
def rgb_crop(rgb, region):
return rgb[region[1]:region[3], region[0]:region[2]]
def rgb_crop_batch(rgbs, region):
return rgbs[:, region[1]:region[3], region[0]:region[2]]
def get_rgb_size(rgb):
return rgb.shape[1], rgb.shape[0]
def create_transform_matrix(x, y, s_x, s_y):
return np.float32([[s_x, 0, x], [0, s_y, y]])
def calc_crop_limit(center, img_size, crop_size):
pos = center - crop_size / 2
if pos < 0:
crop_size += pos * 2
pos = 0
pos2 = pos + crop_size
if img_size < pos2:
crop_size -= (pos2 - img_size) * 2
pos2 = img_size
pos = pos2 - crop_size
return pos, pos2, crop_size
def save_image(numpy_array: np.ndarray, output_path: str):
out = Image.fromarray(numpy_array)
out.save(output_path, compress_level=1, format="png")
def image_path_to_array(image_path: str) -> np.ndarray:
image = Image.open(image_path)
image_array = np.array(image)
if len(image_array.shape) <= 3:
image_array = image_array[np.newaxis, ...]
return image_array
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