img2gray / scripts /sanity.py
drbh
feat: small grayscale kernel
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import torch
import img2gray
from PIL import Image
import numpy as np
print(dir(img2gray))
img = Image.open("/home/ubuntu/Projects/img2gray/kernel-builder-logo-color.png").convert("RGB")
img = np.array(img)
img_tensor = torch.from_numpy(img)
print(img_tensor.shape) # HWC
img_tensor = img_tensor.permute(2, 0, 1).unsqueeze(0).contiguous().cuda() # BCHW
print(img_tensor.shape) # BCHW
gray_tensor = img2gray.img2gray(img_tensor).squeeze()
print(gray_tensor.shape) # B1HW
# save the output image
gray_img = gray_tensor.cpu().numpy() # 1HW -> HW
gray_img = Image.fromarray(gray_img.astype(np.uint8), mode="L")
gray_img.save("/home/ubuntu/Projects/img2gray/kernel-builder-logo-gray.png")