| | import gradio as gr |
| | import pandas as pd |
| | import torch |
| | from transformers import AutoProcessor, Qwen2VLForConditionalGeneration |
| | from PIL import Image |
| | import io |
| | from datetime import datetime |
| |
|
| | |
| | model_name = "Qwen/Qwen2-VL-7B-Instruct" |
| | processor = AutoProcessor.from_pretrained(model_name) |
| | model = Qwen2VLForConditionalGeneration.from_pretrained( |
| | model_name, |
| | torch_dtype=torch.bfloat16, |
| | device_map="auto" |
| | ) |
| |
|
| | def extract_data_from_image(images): |
| | results = [] |
| |
|
| | for idx, img_file in enumerate(images): |
| | try: |
| | image = Image.open(io.BytesIO(img_file.read())).convert("RGB") |
| |
|
| | |
| | prompt = """ |
| | กรุณาสกัดข้อมูลสำคัญจากเอกสารนี้: |
| | - วันที่ |
| | - ยอดรวม |
| | - ชื่อร้านค้า |
| | - เลขใบเสร็จ |
| | |
| | กรุณาตอบในรูปแบบ JSON |
| | """ |
| |
|
| | messages = [ |
| | { |
| | "role": "user", |
| | "content": [ |
| | {"type": "image"}, |
| | {"type": "text", "text": prompt} |
| | ] |
| | } |
| | ] |
| |
|
| | text_prompt = processor.apply_chat_template(messages, tokenize=False, add_generation_prompt=True) |
| | inputs = processor(text=text_prompt, images=image, return_tensors="pt").to(model.device).bfloat16() |
| |
|
| | with torch.no_grad(): |
| | generated_ids = model.generate(**inputs, max_new_tokens=512) |
| |
|
| | generated_ids_trimmed = [out_ids[len(inputs["input_ids"][0]):] for out_ids in generated_ids] |
| | answer = processor.batch_decode(generated_ids_trimmed, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0] |
| |
|
| | try: |
| | structured = eval(answer.replace("```json", "").replace("```", "")) |
| | except: |
| | structured = {"raw_response": answer} |
| |
|
| | results.append({ |
| | "file_name": img_file.name, |
| | "data": str(structured), |
| | "timestamp": datetime.now().isoformat() |
| | }) |
| |
|
| | except Exception as e: |
| | results.append({ |
| | "file_name": img_file.name, |
| | "data": f"เกิดข้อผิดพลาด: {str(e)}", |
| | "timestamp": datetime.now().isoformat() |
| | }) |
| |
|
| | df = pd.DataFrame(results) |
| | df["structured_data"] = df["data"].astype(str) |
| |
|
| | |
| | parquet_path = "output.parquet" |
| | df.to_parquet(parquet_path) |
| |
|
| | return { |
| | "table": df[["file_name", "structured_data"]], |
| | "download": parquet_path |
| | } |
| |
|
| | |
| | title = "📄 ระบบสกัดข้อมูลเอกสารอัตโนมัติ (รองรับภาษาไทย)" |
| | description = "อัปโหลดภาพหลายไฟล์ → สกัดข้อมูล → แยกหัวข้อ → บันทึกเป็น Parquet" |
| |
|
| | interface = gr.Interface( |
| | fn=extract_data_from_image, |
| | inputs=gr.File(type="file", file_types=["image"], multiple=True), |
| | outputs=[ |
| | gr.Dataframe(label="ผลลัพธ์"), |
| | gr.File(label="ดาวน์โหลด Parquet") |
| | ], |
| | title=title, |
| | description=description, |
| | allow_flagging="never" |
| | ) |
| |
|
| | if __name__ == "__main__": |
| | interface.launch() |