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--- |
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library_name: peft |
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base_model: Qwen/Qwen-VL-Chat |
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--- |
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# Model Card for Model ID |
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<!-- Provide a quick summary of what the model is/does. --> |
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- LoRA: wdtag -> long caption. |
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## Model Details |
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- Finetuned. |
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### Model Description |
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<!-- Provide a longer summary of what this model is. --> |
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- **Developed by:** cella] |
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- **Model type:** LoRA |
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- **Language(s) (NLP):** Eng |
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- **License:** Tongyi Qianwen LICENSE |
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- **Finetuned from model [optional]:** Qwen-VL-Chat |
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## Uses |
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### Model Load |
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``` |
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LoRA_DIR = "/path-to-LoRA-dir" |
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if OPTION_VLM_METHOD == 'qwen_chat_LoRA': |
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from peft import AutoPeftModelForCausalLM |
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from transformers import AutoModelForCausalLM, AutoTokenizer |
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from transformers.generation import GenerationConfig |
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import torch |
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torch.manual_seed(1234) |
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# Note: The default behavior now has injection attack prevention off. |
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tokenizer = AutoTokenizer.from_pretrained("Qwen/Qwen-VL-Chat", trust_remote_code=True) |
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\ |
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# use cuda device |
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model = AutoPeftModelForCausalLM.from_pretrained( |
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LoRA_DIR, # path to the output directory |
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device_map="auto", |
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trust_remote_code=True |
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).eval() |
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# Specify hyperparameters for generation (No need to do this if you are using transformers>=4.32.0) |
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model.generation_config = GenerationConfig.from_pretrained("Qwen/Qwen-VL-Chat", trust_remote_code=True) |
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else: |
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print("skipped.") |
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``` |
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### Captioning |
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``` |
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if OPTION_VLM_METHOD == 'qwen_chat': |
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from PIL import Image |
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from langdetect import detect |
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import string |
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import re |
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COMMON_QUERY = 'What is in tha image? Briefly describe the overall, in English' |
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MORE_QUERY = 'What is in tha image? Describe the overall in detail, in English' |
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LESS_QUERY = 'What is in tha image? Briefly summerize the description, in English' |
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for image in dataset.images: |
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img_name = os.path.basename(image.path) |
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img_name = os.path.splitext(img_name)[0] |
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# すでにアウトプットフォルダに同名のtxtファイルが存在する場合はスキップ |
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if OPTION_SKIP_EXISTING and os.path.exists(os.path.join(output_dir_VLM, img_name + '.txt')): |
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clear_output(True) |
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print("skipped: ", image.path) |
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continue |
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query = tokenizer.from_list_format([ |
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{'image': image.path }, |
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{'text': 'Make description using following words' + ', '.join(image.captions).replace('_', ' ') }, |
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]) |
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response, history = model.chat(tokenizer, query=query, history=None) |
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# ASCIIチェック、言語チェック、長さチェック |
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retry_count = 0 |
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while not is_ascii(response) or not is_english(response) or not is_sufficient_length(response) or not is_over_length(response): |
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clear_output(True) |
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retry_count +=1 |
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print("Retry count:", retry_count) |
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if retry_count >= 25 and is_ascii(response): |
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break |
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if not is_sufficient_length(response): |
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print("Too short. Retry...") |
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query = tokenizer.from_list_format([ |
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{'image': image.path }, |
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{'text': MORE_QUERY }, |
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]) |
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if not is_over_length(response): |
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print("Too long. Retry...") |
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query = tokenizer.from_list_format([ |
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{'image': image.path }, |
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{'text': LESS_QUERY }, |
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]) |
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if retry_count % 5 == 0: |
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history = None |
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query = tokenizer.from_list_format([ |
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{'image': image.path }, |
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{'text': COMMON_QUERY }, |
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]) |
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response, history = model.chat(tokenizer, query=query, history=history) |
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response = remove_fixed_patterns(response) |
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if OPTION_SAVE_TAGS: |
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# タグを保存 |
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with open(os.path.join(output_dir_VLM, img_name + '.txt'), 'w') as file: |
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file.write(response) |
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image.captions = response |
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clear_output(True) |
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print("Saved for ", image.path, ": ", response) |
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#画像を表示 |
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img = Image.open(image.path) |
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plt.imshow(np.asarray(img)) |
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plt.show() |
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else: |
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print("skipped.") |
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``` |
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### Framework versions |
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- PEFT 0.7.1 |
