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Min Sun

3 papers indexed

arxivcs.CVcs.AIcs.LG2026-07-05

Seeing Once is Enough? Online Geometry-Aware Token Pruning for 3D Question Answering

Ruei-Chi Lai, Bolivar Solarte, Chin-Hsuan Wu, Yi-Hsuan Tsai, Min Sun

Recent Multi-modal Large Language Models (MLLMs) have demonstrated remarkable performance on 2D question answering tasks. However, extending these models to the 3D question answering remains challenging, as they typically require multiple views of the scene, which incurs substant…

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arxivcs.CV2026-06-28

Enhancing Part-Level Point Grounding for Any Open-Source MLLMs

Jin-Cheng Jhang, Fu-En Wang, Xin Yang, Nan Qiao, Lu Xia, Min Sun, et al.

Visual grounding aims to associate free-form textual queries with specific regions in an image. While recent Multimodal Large Language Models (MLLMs) have demonstrated promising capabilities in this domain, they primarily excel at object-level grounding and often struggle with pa…

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arxivcs.CV2026-06-25

DiffRGD: An Inference-Time Diffusion Guidance Through Riemannian Gradient Descent

Jia-Wei Liao, Li-Xuan Peng, Mei-Heng Yueh, Min Sun, Cheng-Fu Chou, Jun-Cheng Chen

Recently, diffusion models have been widely adopted in generative modeling and have served as foundational models for many image generation tasks. To control the generation without costly re-training or fine-tuning, many works seek inference-time guidance methods to steer the lat…

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