TreeVGR 7B CI EU AI Act Compliance Profile

TreeVGR-7B: Traceable Evidence Enhanced Visual Grounded Reasoning Model

This repository contains the TreeVGR-7B model, a state-of-the-art open-source visual grounded reasoning model, as presented in the paper Traceable Evidence Enhanced Visual Grounded Reasoning: Evaluation and Methodology.

Project page: https://haochenwang409.github.io/TreeVGR/

Abstract

Models like OpenAI-o3 pioneer visual grounded reasoning by dynamically referencing visual regions, just like human "thinking with images". However, no benchmark exists to evaluate these capabilities holistically. To bridge this gap, we propose TreeBench (Traceable Evidence Evaluation Benchmark), a diagnostic benchmark built on three principles: (1) focused visual perception of subtle targets in complex scenes, (2) traceable evidence via bounding box evaluation, and (3) second-order reasoning to test object interactions and spatial hierarchies beyond simple object localization. Prioritizing images with dense objects, we initially sample 1K high-quality images from SA-1B, and incorporate eight LMM experts to manually annotate questions, candidate options, and answers for each image. After three stages of quality control, TreeBench consists of 405 challenging visual question-answering pairs, even the most advanced models struggle with this benchmark, where none of them reach 60% accuracy, e.g., OpenAI-o3 scores on

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