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Runtime error
Runtime error
initial commit
Browse files- .gitattributes +1 -0
- app.py +59 -0
- merlion.png +3 -0
- requirements.txt +3 -0
.gitattributes
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app.py
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import os
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import torch
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from PIL import Image
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import numpy as np
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from PIL import Image
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from lavis.models import load_model_and_preprocess
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import gradio as gr
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device = torch.device("cuda") if torch.cuda.is_available() else "cpu"
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model, vis_processors, _ = load_model_and_preprocess(
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name="blip2_opt", model_type="pretrain_opt2.7b", is_eval=True, device=device
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)
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def answer_question(image, prompt):
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image = vis_processors["eval"](image).unsqueeze(0).to(device)
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response = model.generate({"image": image, "prompt": f"Question: {prompt} Answer:"})
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response = '\n'.join(response)
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return response
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def generate_caption(image, caption_type):
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image = vis_processors["eval"](image).unsqueeze(0).to(device)
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if caption_type == "Beam Search":
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caption = model.generate({"image": image})
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else:
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caption = model.generate({"image": image}, use_nucleus_sampling=True, num_captions=3)
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caption = '\n'.join(caption)
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return caption
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with gr.Blocks() as demo:
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gr.Markdown("## BLIP-2 Demo")
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gr.Markdown("Using `OPT2.7B` - [Github](https://github.com/salesforce/LAVIS/tree/main/projects/blip2) - [Paper](https://arxiv.org/abs/2301.12597)")
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with gr.Row():
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with gr.Column():
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input_image = gr.Image(label="Image", type="pil")
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caption_type = gr.Radio(["Beam Search", "Nucleus Sampling"], label="Caption Type", value="Beam Search")
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btn_caption = gr.Button("Generate Caption")
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question_txt = gr.Textbox(label="Question", lines=1)
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btn_answer = gr.Button("Generate Answer")
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with gr.Column():
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output_text = gr.Textbox(label="Answer", lines=5)
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btn_caption.click(generate_caption, inputs=[input_image, caption_type], outputs=[output_text])
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btn_answer.click(answer_question, inputs=[input_image, question_txt], outputs=[output_text])
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gr.Examples([['./merlion.png', 'Beam Search', 'which city is this?']], inputs=[input_image, caption_type, question_txt])
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demo.launch()
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merlion.png
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Git LFS Details
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requirements.txt
ADDED
@@ -0,0 +1,3 @@
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torch
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torchvision
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salesforce-lavis
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