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| # -*- coding: utf-8 -*- | |
| """ | |
| 使用方法: | |
| python rule_19_vllm.py \ | |
| --input_dir "/path/to/your/images" \ | |
| --model_path "/path/to/your/Qwen2.5-VL-7B-Instruct" | |
| """ | |
| import os | |
| import re | |
| import json | |
| import argparse | |
| import multiprocessing | |
| from pathlib import Path | |
| from typing import Dict, List, Optional, Any | |
| from tqdm import tqdm | |
| from PIL import Image, ImageFile | |
| from transformers import AutoProcessor | |
| from vllm import LLM, SamplingParams | |
| os.environ['VLLM_WORKER_MULTIPROC_METHOD'] = 'spawn' | |
| ImageFile.LOAD_TRUNCATED_IMAGES = True | |
| # 支持的图片格式 | |
| IMG_EXTS = {".jpg", ".jpeg", ".png", ".webp", ".bmp", ".tif", ".tiff"} | |
| # ========================================== | |
| # 【提示词工程】 | |
| # ========================================== | |
| SYS_PROMPT_TEXT ="""You are a highly critical Senior Art Director. Your job is to flag "Low-Quality / Amateur" advertising designs. | |
| You have ZERO TOLERANCE for "Cheap Ad Styles" (often called "Niu Pi Xian" in Chinese context). | |
| INPUT: One image and one natural-language question about design aesthetic and text harmony. | |
| YOUR TASK: | |
| 1. Determine if the image is a **VIOLATION** (Unsuitable) or **SAFE** (Suitable) based on the criteria below. | |
| 2. Output a JSON object containing a rigorous Chain-of-Thought ("think") and a precise classification label ("answer"). | |
| OUTPUT FORMAT: | |
| Return EXACTLY two blocks, no extra text: | |
| <think>Detailed reasoning evaluating font effects, background integration, and aesthetic consistency against the 'cheap design' criteria...</think><answer>{"Answer": "<Suitable OR Unsuitable>", "Answer type": "Text-Design Harmony"}</answer> | |
| ========================================= | |
| STRICT VIOLATION CRITERIA (If ANY match -> Unsuitable) | |
| ========================================= | |
| 1. **The "WordArt" Effect (廉价特效):** | |
| - **Bad Strokes:** Text uses heavy, amateurish strokes (thick white/colored outlines) that look jagged or pixelated. | |
| - **Fake 3D/Metal:** Outdated "Pseudo-3D" gradients (e.g., shiny gold/silver metal textures) that clash with a flat background. | |
| - **Cheap Glow:** Aggressive "Outer Glow" (neon glow) that makes the text look blurry or radioactive. | |
| - **Distortion:** Text is unprofessionally stretched, squeezed, or distorted strictly to fit a space. | |
| 2. **Visual Clutter & Conflict (背景冲突与拼贴感):** | |
| - **Legibility Loss:** Text is placed directly on top of a "Busy Photograph" (leaves, city streets, crowds) without a sufficient background mask, making it hard to read. | |
| - **Color Vibration:** Text color aggressively vibrates against the background (e.g., bright red text directly on bright green). | |
| - **Patchwork Style:** The text background looks like a "sticker" arbitrarily pasted onto a photo, completely ignoring the photo's lighting and perspective. | |
| 3. **Inconsistent Aesthetic (风格割裂):** | |
| - Foreground graphic elements (e.g., a cartoon/gaming style "Button" or "Banner") are superimposed on a realistic, high-res nature/human photograph. They do not belong in the same visual world. | |
| ========================================= | |
| CRITERIA FOR 'SUITABLE' (NON-VIOLATION / GOOD DESIGN) | |
| ========================================= | |
| 1. **Clean Professionalism:** Professional typography with no cheap text effects (e.g., simple text like "xx折扣" is perfectly fine if the font is clean). | |
| 2. **Proper Integration:** Text placed on a solid, clean color background, or properly masked on a complex background. | |
| 3. **Cohesive Art Direction:** Clean, flat vector art that matches its surroundings visually. | |
| ========================================= | |
| DECISION LOGIC | |
| ========================================= | |
| - **Unsuitable**: If the design looks cheap, messy, outdated, features "WordArt" effects, or feels like a patched-together "Niu Pi Xian" ad. | |
| - **Suitable**: If the design is clean, professional, and visually harmonious. | |
| """ | |
| SYS_PROMPT_TEXT="""You are a highly critical "Senior Art Director." Your goal is to evaluate the "Professional Polish" of splash ads. You have [ZERO TOLERANCE] for raw, unprocessed photos that look like amateur snapshots. | |
| INPUT: | |
| One image and one natural-language question about professional polish quality. | |
| YOUR TASK: | |
| 1. Determine if the image is a **VIOLATION** (Unsuitable) or **SAFE** (Suitable) based on the criteria below. | |
| 2. Output a JSON object containing a rigorous Chain-of-Thought ("think") and a precise classification label ("answer"). | |
| OUTPUT FORMAT: | |
| Return EXACTLY two blocks, no extra text: | |
| <think> | |
| Detailed reasoning evaluating lighting, color grading, and depth of field against the "passerby snapshot" criteria... | |
| </think> | |
| <answer> | |
| {"Answer": "<Suitable OR Unsuitable>", "Answer type": "Professional Polish"} | |
| </answer> | |
| ========================================= | |
| STRICT VIOLATION CRITERIA (If ANY match -> Unsuitable) | |
| ========================================= | |
| 1. **Lack of Professional Post-Processing:** | |
| - The image appears to be a "Raw Photo" directly from a camera/phone without professional retouching. | |
| 2. **The "Amateur Snapshot" Aesthetic:** | |
| - The image looks like something a "passerby" could easily capture. It lacks the sophisticated framing, high-end texture, and artistic polish required for premium advertising. | |
| 3. **Absence of Value Conveyance:** | |
| - The image is visually "flat" and fails to evoke a sense of high quality. It does not use professional polish techniques to guide the viewer's emotions. | |
| ========================================= | |
| CRITERIA FOR 'SUITABLE' (NON-VIOLATION / PREMIUM TEXTURE) | |
| ========================================= | |
| 1. **Professional Post-Processing:** | |
| - **Masterful Retouching:** The image shows clear evidence of professional professional polish (not straight-out-of-camera). | |
| 2. **The "High-End" Aesthetic:** | |
| - **Professionalism:** The image features a look that cannot be easily replicated by a passerby. | |
| - **Superior Texture:** Displays deliberate set design and artistic polish. | |
| 4. **Media Exemption:** Film stills or variety show photography are always classified as SAFE (Suitable). | |
| ========================================= | |
| DECISION LOGIC | |
| ========================================= | |
| - **Unsuitable**: If the image looks like an unprocessed, amateur snapshot with flat lighting and no professional polish polish. | |
| - **Suitable**: If the image shows professional professional polish, or is a professional film/variety show still. | |
| """ | |
| def collect_images(input_dir: Path) -> List[Dict[str, str]]: | |
| if not input_dir.exists(): | |
| raise FileNotFoundError(f"Input directory not found: {input_dir}") | |
| files = [p for p in input_dir.iterdir() if p.is_file() and p.suffix.lower() in IMG_EXTS] | |
| files.sort() | |
| print(f"[Info] Found {len(files)} images in {input_dir}") | |
| return [{"path": str(p), "filename": p.name} for p in files] | |
| def parse_llm_output(text: str) -> Dict[str, Any]: | |
| default_res = { | |
| "label": "Parse Error", | |
| "think": "No reasoning found", | |
| "raw": text | |
| } | |
| if not text: | |
| return default_res | |
| think_match = re.search(r'<think>(.*?)</think>', text, re.DOTALL) | |
| think_content = think_match.group(1).strip() if think_match else "" | |
| answer_match = re.search(r'<answer>(.*?)</answer>', text, re.DOTALL) | |
| extracted_label = "Parse Error" | |
| if answer_match: | |
| json_str = answer_match.group(1).strip() | |
| try: | |
| data = json.loads(json_str) | |
| raw_ans = data.get("Answer", "") | |
| if "unsuitable" in raw_ans.lower(): | |
| extracted_label = "Unsuitable" | |
| elif "suitable" in raw_ans.lower(): | |
| extracted_label = "Suitable" | |
| else: | |
| extracted_label = raw_ans | |
| except json.JSONDecodeError: | |
| if "Unsuitable" in json_str: | |
| extracted_label = "Unsuitable" | |
| elif "Suitable" in json_str: | |
| extracted_label = "Suitable" | |
| else: | |
| if "Unsuitable" in text: | |
| extracted_label = "Unsuitable" | |
| elif "Suitable" in text: | |
| extracted_label = "Suitable" | |
| return { | |
| "label": extracted_label, | |
| "think": think_content, | |
| "raw": text | |
| } | |
| def prepare_vllm_inputs(batch_meta: List[Dict], processor) -> List[Dict]: | |
| vllm_inputs = [] | |
| user_query = "Analyze this image against the design rules and return the JSON decision." | |
| for item in batch_meta: | |
| img_path = item["path"] | |
| try: | |
| image_obj = Image.open(img_path).convert("RGB") | |
| messages = [ | |
| {"role": "system", "content": [{"type": "text", "text": SYS_PROMPT_TEXT}]}, | |
| {"role": "user", "content": [ | |
| {"type": "image", "image": img_path}, | |
| {"type": "text", "text": user_query} | |
| ]} | |
| ] | |
| prompt_text = processor.apply_chat_template( | |
| messages, tokenize=False, add_generation_prompt=True | |
| ) | |
| vllm_inputs.append({ | |
| "prompt": prompt_text, | |
| "multi_modal_data": {"image": image_obj} | |
| }) | |
| except Exception as e: | |
| print(f"[Warning] Failed to load {img_path}: {e}") | |
| vllm_inputs.append(None) | |
| return vllm_inputs | |
| def main(): | |
| parser = argparse.ArgumentParser(description="AI Visual Comfort Auditor") | |
| parser.add_argument("--input_dir", type=str, required=True, help="Folder containing images to check") | |
| parser.add_argument("--model_path", type=str, required=True, help="Path to local Qwen-VL model") | |
| parser.add_argument("--batch_size", type=int, default=512, help="Inference batch size") | |
| parser.add_argument("--tp_size", type=int, default=2, help="Tensor Parallel size") | |
| args = parser.parse_args() | |
| input_path = Path(args.input_dir) | |
| meta_data = collect_images(input_path) | |
| if not meta_data: | |
| print("[Info] No images found. Exiting.") | |
| return | |
| print(f"\n[Init] Loading Model: {args.model_path}") | |
| llm = LLM( | |
| model=args.model_path, | |
| tokenizer=args.model_path, | |
| trust_remote_code=True, | |
| tensor_parallel_size=args.tp_size, | |
| gpu_memory_utilization=0.90, | |
| max_model_len=8192, | |
| enforce_eager=True, | |
| limit_mm_per_prompt={"image": 1} | |
| ) | |
| processor = AutoProcessor.from_pretrained(args.model_path, trust_remote_code=True) | |
| sampling_params = SamplingParams( | |
| temperature=0.7, | |
| max_tokens=1024, | |
| top_p=0.9 | |
| ) | |
| results = [] | |
| print(f"\n[Run] Starting Inference on {len(meta_data)} images...") | |
| for i in tqdm(range(0, len(meta_data), args.batch_size), desc="Processing Batches"): | |
| batch_meta = meta_data[i : i + args.batch_size] | |
| batch_inputs = prepare_vllm_inputs(batch_meta, processor) | |
| valid_inputs = [inp for inp in batch_inputs if inp is not None] | |
| valid_indices = [idx for idx, inp in enumerate(batch_inputs) if inp is not None] | |
| if not valid_inputs: | |
| continue | |
| outputs = llm.generate(valid_inputs, sampling_params=sampling_params, use_tqdm=False) | |
| for local_idx, out in enumerate(outputs): | |
| original_meta = batch_meta[valid_indices[local_idx]] | |
| generated_text = out.outputs[0].text | |
| parsed = parse_llm_output(generated_text) | |
| results.append({ | |
| "filename": original_meta["filename"], | |
| "path": original_meta["path"], | |
| "label": parsed["label"], # Suitable / Unsuitable | |
| "think": parsed["think"], | |
| "raw_output": generated_text | |
| }) | |
| total = len(results) | |
| unsuitable_count = sum(1 for r in results if r["label"] == "Unsuitable") | |
| suitable_count = sum(1 for r in results if r["label"] == "Suitable") | |
| error_count = total - unsuitable_count - suitable_count | |
| unsuitable_rate = (unsuitable_count / total * 100) if total > 0 else 0 | |
| suitable_rate = (suitable_count / total * 100) if total > 0 else 0 | |
| print("\n" + "="*60) | |
| print(f"AUDIT REPORT FOR: {input_path.name}") | |
| print("="*60) | |
| print(f"{'Total Images':<25}: {total}") | |
| print("-" * 60) | |
| print(f"{'UNSUITABLE (Violation)':<25}: {unsuitable_count} ({unsuitable_rate:.2f}%)") | |
| print(f"{'SUITABLE (Safe)':<25}: {suitable_count} ({suitable_rate:.2f}%)") | |
| print(f"{'Parse Errors':<25}: {error_count}") | |
| print("="*60) | |
| output_file = input_path / f"audit_result_{input_path.name}.json" | |
| try: | |
| with open(output_file, "w", encoding="utf-8") as f: | |
| json.dump(results, f, ensure_ascii=False, indent=2) | |
| print(f"\n[Done] Detailed JSON report saved to:\n-> {output_file}") | |
| except Exception as e: | |
| print(f"[Error] Could not save JSON: {e}") | |
| if __name__ == "__main__": | |
| try: | |
| multiprocessing.set_start_method('spawn', force=True) | |
| except RuntimeError: | |
| pass | |
| main() |