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| import gradio as gr | |
| from lavis.models import load_model_and_preprocess | |
| import torch | |
| device = torch.device("cuda") if torch.cuda.is_available() else "cpu" | |
| model_name = "blip2_t5_instruct" | |
| model_type = "flant5xl" | |
| model, vis_processors, _ = load_model_and_preprocess( | |
| name=model_name, | |
| model_type=model_type, | |
| is_eval=True, | |
| device=device | |
| ) | |
| def infer(image, prompt, min_len, max_len, beam_size, len_penalty, repetition_penalty, top_p, decoding_method): | |
| use_nucleus_sampling = decoding_method == "Nucleus sampling" | |
| image = vis_processors["eval"](image).unsqueeze(0).to(device) | |
| samples = { | |
| "image": image, | |
| "prompt": prompt, | |
| } | |
| output = model.generate( | |
| samples, | |
| length_penalty=float(len_penalty), | |
| repetition_penalty=float(repetition_penalty), | |
| num_beams=beam_size, | |
| max_length=max_len, | |
| min_length=min_len, | |
| top_p=top_p, | |
| use_nucleus_sampling=use_nucleus_sampling | |
| ) | |
| return output[0] | |
| theme = gr.themes.Monochrome( | |
| primary_hue="indigo", | |
| secondary_hue="blue", | |
| neutral_hue="slate", | |
| radius_size=gr.themes.sizes.radius_sm, | |
| font=[gr.themes.GoogleFont("Open Sans"), "ui-sans-serif", "system-ui", "sans-serif"], | |
| ) | |
| css = ".generating {visibility: hidden}" | |
| examples = [ | |
| ["banff.jpg", "Can you tell me about this image in detail", 1, 200, 5, 1, 3, 0.9, "Beam search"] | |
| ] | |
| with gr.Blocks(theme=theme, analytics_enabled=False,css=css) as demo: | |
| gr.Markdown("## InstructBLIP: Towards General-purpose Vision-Language Models with Instruction Tuning") | |
| gr.Markdown( | |
| """ | |
| Unofficial demo for InstructBLIP. InstructBLIP is a new vision-language instruction-tuning framework by Salesforce that uses BLIP-2 models, achieving state-of-the-art zero-shot generalization performance on a wide range of vision-language tasks. | |
| The demo is based on the official <a href="https://github.com/salesforce/LAVIS/tree/main/projects/instructblip" style="text-decoration: underline;" target="_blank"> Github </a> implementation | |
| """ | |
| ) | |
| gr.HTML("<p>You can duplicate this Space to run it privately without a queue for shorter queue times : <a style='display:inline-block' href='https://huggingface.co/spaces/RamAnanth1/InstructBLIP?duplicate=true'><img src='https://img.shields.io/badge/-Duplicate%20Space-blue?labelColor=white&style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAP5JREFUOE+lk7FqAkEURY+ltunEgFXS2sZGIbXfEPdLlnxJyDdYB62sbbUKpLbVNhyYFzbrrA74YJlh9r079973psed0cvUD4A+4HoCjsA85X0Dfn/RBLBgBDxnQPfAEJgBY+A9gALA4tcbamSzS4xq4FOQAJgCDwV2CPKV8tZAJcAjMMkUe1vX+U+SMhfAJEHasQIWmXNN3abzDwHUrgcRGmYcgKe0bxrblHEB4E/pndMazNpSZGcsZdBlYJcEL9Afo75molJyM2FxmPgmgPqlWNLGfwZGG6UiyEvLzHYDmoPkDDiNm9JR9uboiONcBXrpY1qmgs21x1QwyZcpvxt9NS09PlsPAAAAAElFTkSuQmCC&logoWidth=14' alt='Duplicate Space'></a> </p>") | |
| with gr.Row(): | |
| with gr.Column(scale=3): | |
| image_input = gr.Image(type="pil") | |
| prompt_textbox = gr.Textbox(label="Prompt:", placeholder="prompt", lines=2) | |
| output = gr.Textbox(label="Output") | |
| submit = gr.Button("Run", variant="primary") | |
| with gr.Column(scale=1): | |
| min_len = gr.Slider( | |
| minimum=1, | |
| maximum=50, | |
| value=1, | |
| step=1, | |
| interactive=True, | |
| label="Min Length", | |
| ) | |
| max_len = gr.Slider( | |
| minimum=10, | |
| maximum=500, | |
| value=250, | |
| step=5, | |
| interactive=True, | |
| label="Max Length", | |
| ) | |
| sampling = gr.Radio( | |
| choices=["Beam search", "Nucleus sampling"], | |
| value="Beam search", | |
| label="Text Decoding Method", | |
| interactive=True, | |
| ) | |
| top_p = gr.Slider( | |
| minimum=0.5, | |
| maximum=1.0, | |
| value=0.9, | |
| step=0.1, | |
| interactive=True, | |
| label="Top p", | |
| ) | |
| beam_size = gr.Slider( | |
| minimum=1, | |
| maximum=10, | |
| value=5, | |
| step=1, | |
| interactive=True, | |
| label="Beam Size", | |
| ) | |
| len_penalty = gr.Slider( | |
| minimum=-1, | |
| maximum=2, | |
| value=1, | |
| step=0.2, | |
| interactive=True, | |
| label="Length Penalty", | |
| ) | |
| repetition_penalty = gr.Slider( | |
| minimum=-1, | |
| maximum=3, | |
| value=1, | |
| step=0.2, | |
| interactive=True, | |
| label="Repetition Penalty", | |
| ) | |
| gr.Examples( | |
| examples=examples, | |
| inputs=[image_input, prompt_textbox, min_len, max_len, beam_size, len_penalty, repetition_penalty, top_p, sampling], | |
| cache_examples=False, | |
| fn=infer, | |
| outputs=[output], | |
| ) | |
| submit.click(infer, inputs=[image_input, prompt_textbox, min_len, max_len, beam_size, len_penalty, repetition_penalty, top_p, sampling], outputs=[output]) | |
| demo.queue(concurrency_count=16).launch(debug=True) | |