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hsiangfu/
ReVision-250M-256-16-baseline

Name: ReVision-250M-256-16-baseline
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Model Card for ReVision-250M-256-16-baseline

This repository contains ReVision-250M-256-16-baseline, a compact vision-language model (VLM) designed for Visual Instruction Rewriting. The model rewrites multimodal task-oriented instructions into text-only commands, enabling privacy-preserving on-device AI by eliminating the need to process images in the cloud.

Key Features

Lightweight (250M parameters): Designed for on-device deployment with efficient inference.
Privacy-Preserving: Converts multimodal inputs into structured text, reducing reliance on cloud-based processing.
Fine-Tuned for Instruction Rewriting: Trained on a dataset of 39,000 examples spanning 14 task-oriented domains.
Compact Yet Effective: Outperforms larger models like PaliGemma-v2 (10B) and QwenVL-7B in instruction rewriting tasks.

Model Architecture

Vision Encoder: google/siglip-base-patch16-256 (processes 256×256 images).
Language Model: OuteAI/Lite-Mistral-150M-v2-Instruct (instruction-tuned).
Multimodal Fusion: Uses a linear projector to align vision and language embeddings.
Training Dataset: Pretrained on image captioning datasets (e.g., LLaVA-CC3M, LLaVA-Pretrain) and fine-tuned on the Visual Instruction Rewriting dataset.

Performance

Model	ROUGE-1	BLEU	Intent Accuracy	Argument Similarity
ReVision-250M-256-16-baseline	56.9%	27.7%	56.5%	68.8%

How to Use

Install Dependencies

pip install torch transformers torchvision

Load the Model

bash

from transformers import AutoProcessor, AutoModelForSeq2SeqLM
import torch
from PIL import Image

# Load model and processor
model_name = "hsiangfu/ReVision-250M-256-16-baseline"
processor = AutoProcessor.from_pretrained(model_name)
model = AutoModelForSeq2SeqLM.from_pretrained(model_name)

# Prepare inputs (image + instruction)
image = Image.open("example.jpg")
instruction = "Call this number."

inputs = processor(images=image, text=instruction, return_tensors="pt")
outputs = model.generate(**inputs)

# Decode rewritten instruction
rewritten_instruction = processor.batch_decode(outputs, skip_special_tokens=True)[0]
print("Rewritten Instruction:", rewritten_instruction)

Dataset

The model was fine-tuned on the ReVision Multimodal Query Rewrites Dataset, a collection of 39,023 ⟨image, original instruction, rewritten instruction⟩ triplets covering:

Books: "Who wrote this book" → "Who wrote 'The Silent Patient'?"
Business Cards: "Call this number." → "Call 512-555-1234."
Flyers & Signboards: "Add this event to my calendar." → "Add 'Tech Conference' on May 5 at 2 PM to my calendar."
Landmarks: "Who made this?" → "Who made the Statue of Liberty?"
Products: "What brand is this product?" → "What brand made 'Mismatched Sandwich Cremes'?"
CD covers: "Who made this CD?" → "Who made 'Future'?"
Paintings: "Who is this painting by?" → "Who made the painting 'Mona Lisa'?"

Link: https://huggingface.co/datasets/hsiangfu/multimodal_query_rewrites

Applications

AR/VR Assistants (e.g., Apple Vision Pro, Meta Ray-Ban Glasses)
Smartphones & Wearables (on-device AI assistants)
Accessibility & Assistive AI (for users with visual impairments)

Citation

Acknowledgments

Developed by researchers at UT Austin and Yale University. Model and dataset are available for academic use.