GIRAFFE: Design Choices for Extending the Context Length of Visual Language Models

• URL: http://arxiv.org/abs/2412.12735v1
• Date: Tue, 17 Dec 2024 09:57:21 GMT
• Title: GIRAFFE: Design Choices for Extending the Context Length of Visual Language Models
• Authors: Mukai Li, Lei Li, Shansan Gong, Qi Liu,
• Abstract summary: We aim to establish an effective solution that enhances long context performance of Visual Language Models. We propose Giraffe, which is effectively extended to 128K lengths. We will open-source the code, data, and models.
• Score: 20.976319536167512
• License:
• Abstract: Visual Language Models (VLMs) demonstrate impressive capabilities in processing multimodal inputs, yet applications such as visual agents, which require handling multiple images and high-resolution videos, demand enhanced long-range modeling. Moreover, existing open-source VLMs lack systematic exploration into extending their context length, and commercial models often provide limited details. To tackle this, we aim to establish an effective solution that enhances long context performance of VLMs while preserving their capacities in short context scenarios. Towards this goal, we make the best design choice through extensive experiment settings from data curation to context window extending and utilizing: (1) we analyze data sources and length distributions to construct ETVLM - a data recipe to balance the performance across scenarios; (2) we examine existing position extending methods, identify their limitations and propose M-RoPE++ as an enhanced approach; we also choose to solely instruction-tune the backbone with mixed-source data; (3) we discuss how to better utilize extended context windows and propose hybrid-resolution training. Built on the Qwen-VL series model, we propose Giraffe, which is effectively extended to 128K lengths. Evaluated on extensive long context VLM benchmarks such as VideoMME and Viusal Haystacks, our Giraffe achieves state-of-the-art performance among similarly sized open-source long VLMs and is competitive with commercial model GPT-4V. We will open-source the code, data, and models.

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