| |
|
| | import os
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| | import sys
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| | import argparse
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| | import json
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| | import datetime
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| | import cv2
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| | import torch
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| | import lpips
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| | from torchvision import transforms
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| | import torch.nn.functional as F
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| | from PIL import Image, UnidentifiedImageError
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| |
|
| | def verify_image(path, exts=('.png','.jpg','.jpeg','.webp')):
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| | if not os.path.isfile(path):
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| | return False, f'File does not exist: {path}'
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| | if os.path.getsize(path) == 0:
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| | return False, f'File is empty: {path}'
|
| | if not path.lower().endswith(exts):
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| | return False, f'Unsupported format: {path}'
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| | try:
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| | img = Image.open(path)
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| | img.verify()
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| | except (UnidentifiedImageError, Exception) as e:
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| | return False, f'Failed to read image: {path} ({e})'
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| | return True, ''
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| |
|
| | def load_tensor(path):
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| | img = cv2.imread(path, cv2.IMREAD_COLOR)
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| | if img is None:
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| | raise RuntimeError(f'cv2 read failed: {path}')
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| | img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
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| | t = transforms.ToTensor()(img) * 2 - 1
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| | return t.unsqueeze(0)
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| |
|
| | def main():
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| | p = argparse.ArgumentParser(description='Automated anime effect evaluation script')
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| | p.add_argument('--groundtruth', required=True, help='Original image path')
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| | p.add_argument('--output', required=True, help='Anime-styled output image path')
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| | p.add_argument('--lpips-thresh', type=float, default=0.40,
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| | help='LPIPS structural similarity max distance (Pass if <= threshold)')
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| | p.add_argument('--clip-thresh', type=float, default=0.25,
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| | help='CLIP anime style similarity threshold (Pass if > threshold)')
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| | p.add_argument('--result', required=True, help='Result JSONL file path (append mode)')
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| | args = p.parse_args()
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| |
|
| | process = True
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| | comments = []
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| |
|
| |
|
| | for tag, path in [('input', args.groundtruth), ('output', args.output)]:
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| | ok, msg = verify_image(path)
|
| | if not ok:
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| | process = False
|
| | comments.append(f'[{tag}] {msg}')
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| |
|
| | lpips_val = None
|
| | lpips_pass = True
|
| | clip_pass = False
|
| | if process:
|
| | try:
|
| |
|
| | img0 = load_tensor(args.groundtruth)
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| | img1 = load_tensor(args.output)
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| | _, _, h0, w0 = img0.shape
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| | _, _, h1, w1 = img1.shape
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| | nh, nw = min(h0,h1), min(w0,w1)
|
| | img0 = F.interpolate(img0, size=(nh,nw), mode='bilinear', align_corners=False)
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| | img1 = F.interpolate(img1, size=(nh,nw), mode='bilinear', align_corners=False)
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| |
|
| | loss_fn = lpips.LPIPS(net='vgg').to(torch.device('cpu'))
|
| | with torch.no_grad():
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| | lpips_val = float(loss_fn(img0, img1).item())
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| | lpips_pass = lpips_val <= args.lpips_thresh
|
| | comments.append(f'LPIPS={lpips_val:.4f} (<= {args.lpips_thresh} → {"OK" if lpips_pass else "FAIL"})')
|
| | except Exception as e:
|
| | process = False
|
| | comments.append(f'Metric calculation error: {e}')
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| |
|
| | if process:
|
| | try:
|
| | import clip
|
| | import PIL.Image
|
| | device = "cuda" if torch.cuda.is_available() else "cpu"
|
| | clip_model, clip_preprocess = clip.load("ViT-B/32", device=device)
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| |
|
| | image = clip_preprocess(PIL.Image.open(args.output)).unsqueeze(0).to(device)
|
| | prompt_list = [
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| | "anime-style photo",
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| | "cartoon photo",
|
| | "anime drawing",
|
| | "photo in manga style",
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| | "Hayao Miyazaki anime style"
|
| | ]
|
| | tokens = clip.tokenize(prompt_list).to(device)
|
| |
|
| | with torch.no_grad():
|
| | image_features = clip_model.encode_image(image)
|
| | text_features = clip_model.encode_text(tokens)
|
| | image_features /= image_features.norm(dim=-1, keepdim=True)
|
| | text_features /= text_features.norm(dim=-1, keepdim=True)
|
| | scores = (image_features @ text_features.T).squeeze(0)
|
| | best_score = scores.max().item()
|
| |
|
| | clip_pass = best_score > args.clip_thresh
|
| | comments.append(f'CLIP best anime style score = {best_score:.3f} (>{args.clip_thresh} → {"OK" if clip_pass else "FAIL"})')
|
| |
|
| | except Exception as e:
|
| | comments.append(f"CLIP style check failed: {e}")
|
| |
|
| | result_flag = process and lpips_pass and clip_pass
|
| |
|
| |
|
| | entry = {
|
| | "Process": process,
|
| | "Result": result_flag,
|
| | "TimePoint": datetime.datetime.now().isoformat(sep='T', timespec='seconds'),
|
| | "comments": "; ".join(comments)
|
| | }
|
| | os.makedirs(os.path.dirname(args.result) or '.', exist_ok=True)
|
| | with open(args.result, 'a', encoding='utf-8') as f:
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| | f.write(json.dumps(entry, ensure_ascii=False, default=str) + "\n")
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| |
|
| | if __name__ == "__main__":
|
| | main()
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| |
|
