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3D spatial reasoning in dynamic, audio-visual environments is a cornerstone of human cognition yet remains largely unexplored by existing Audio-Visual Large Language Models (AV-LLMs) and benchmarks, which predominantly focus on static or 2D…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Mingfei Chen , Zijun Cui , Xiulong Liu , Jinlin Xiang , Caleb Zheng , Jingyuan Li , Eli Shlizerman

We introduce SAIL-VL2, an open-suite vision-language foundation model (LVM) for comprehensive multimodal understanding and reasoning. As the successor to SAIL-VL, SAIL-VL2 achieves state-of-the-art performance at the 2B and 8B parameter…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Weijie Yin , Yongjie Ye , Fangxun Shu , Yue Liao , Zijian Kang , Hongyuan Dong , Haiyang Yu , Dingkang Yang , Jiacong Wang , Han Wang , Wenzhuo Liu , Xiao Liang , Shuicheng Yan , Chao Feng

The diagnosis of oral diseases presents a problematic clinical challenge, characterized by a wide spectrum of pathologies with overlapping symptomatology. To address this, we developed Clinical Semantic Intelligence (CSI), a novel…

Artificial Intelligence · Computer Science 2025-07-22 Mohammad Mashayekhi , Sara Ahmadi Majd , Arian AmirAmjadi , Parsa Hosseini

While deep learning-based methods have demonstrated outstanding results in numerous domains, some important functionalities are missing. Resolution scalability is one of them. In this work, we introduce a novel architecture, dubbed…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Remco Royen , Adrian Munteanu

Surgical video understanding is a crucial prerequisite for advancing Computer-Assisted Surgery. While vision-language models (VLMs) have recently been applied to the surgical domain, existing surgical vision-language datasets lack in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Lennart Maack , Alexander Schlaefer

3D Gaussian Splatting offers expressive scene reconstruction, modeling a broad range of visual, geometric, and semantic information. However, efficient real-time map reconstruction with data streamed from multiple robots and devices remains…

Robotics · Computer Science 2025-06-04 Javier Yu , Timothy Chen , Mac Schwager

Quantitative characterization of cellular spatial organization is critical for understanding tumor progression and immune response. Recent advances in artificial intelligence (AI) enable large-scale segmentation and classification of nuclei…

Training multimodal large language models (MLLMs) for video understanding requires large-scale annotated data spanning diverse tasks such as object counting, question answering, and segmentation. However, collecting and annotating…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Tanzila Rahman , Renjie Liao , Leonid Sigal

Web-scale 3D asset collections are abundant but rarely deployment-ready, suffering from arbitrary metric scaling, incorrect pivots, brittle geometry, and incomplete textures, defects that limit their use in embodied AI, robotics, and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Mohammad Sadegh Salehi , Alex Perkins , Igor Maurell , Ashkan Dabbagh , Raymond Wong

We propose Hier-SLAM, a semantic 3D Gaussian Splatting SLAM method featuring a novel hierarchical categorical representation, which enables accurate global 3D semantic mapping, scaling-up capability, and explicit semantic label prediction…

Robotics · Computer Science 2025-03-11 Boying Li , Zhixi Cai , Yuan-Fang Li , Ian Reid , Hamid Rezatofighi

Spatial understanding is essential for Multimodal Large Language Models (MLLMs) to support perception, reasoning, and planning in embodied environments. Despite recent progress, existing studies reveal that MLLMs still struggle with spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Wanyue Zhang , Yibin Huang , Yangbin Xu , JingJing Huang , Helu Zhi , Shuo Ren , Wang Xu , Jiajun Zhang

Spatial intelligence, which refers to the ability to reason about geometric and physical structure from visual observations, remains a core challenge for multimodal large language models. Despite promising performance, recent multimodal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yian Li , Yang Jiao , Bin Zhu , Tianwen Qian , Shaoxiang Chen , Jingjing Chen , Yu-Gang Jiang

The exponential growth of astronomical datasets provides an unprecedented opportunity for humans to gain insight into the Universe. However, effectively analyzing this vast amount of data poses a significant challenge. Astronomers are…

Instrumentation and Methods for Astrophysics · Physics 2024-05-20 Mingxiang Fu , Yu Song , Jiameng Lv , Liang Cao , Peng Jia , Nan Li , Xiangru Li , Jifeng Liu , A-Li Luo , Bo Qiu , Shiyin Shen , Liangping Tu , Lili Wang , Shoulin Wei , Haifeng Yang , Zhenping Yi , Zhiqiang Zou

Current large multimodal models (LMMs) face significant challenges in processing and comprehending long-duration or high-resolution videos, which is mainly due to the lack of high-quality datasets. To address this issue from a data-centric…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Weiming Ren , Huan Yang , Jie Min , Cong Wei , Wenhu Chen

This study introduces SpatialPrompting, a novel framework that harnesses the emergent reasoning capabilities of off-the-shelf multimodal large language models to achieve zero-shot spatial reasoning in three-dimensional (3D) environments.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Shun Taguchi , Hideki Deguchi , Takumi Hamazaki , Hiroyuki Sakai

Large Multimodal Models (LMMs) often struggle with geometric reasoning due to visual hallucinations and a lack of mathematically precise Chain-of-Thought (CoT) data. To address this, we propose the GeoSym Engine, an automated and scalable…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Jinhao Jing , Zheng Ma , Jinwei Liang , Qiannian Zhao , Shawn Chen , Jing Yang , Por Lip Yee , Prayag Tiwari , Jingjing Bai , Benyou Wang , Lewei Lu , Zhan Su

We present a scalable, bottom-up and intrinsically diverse data collection scheme that can be used for high-level reasoning with long and medium horizons and that has 2.2x higher throughput compared to traditional narrow top-down…

Recent large language models (LLMs) have advanced table understanding capabilities but rely on converting tables into text sequences. While multimodal large language models (MLLMs) enable direct visual processing, they face limitations in…

Computation and Language · Computer Science 2025-02-26 Bohao Yang , Yingji Zhang , Dong Liu , André Freitas , Chenghua Lin

Enabling reliable long-horizon robotic manipulation is a crucial step toward open-world embodied intelligence. However, VLM-based planners treat each step as an isolated observation-to-action mapping, forcing them to reinfer scene geometry…

We propose a new 3D holistic++ scene understanding problem, which jointly tackles two tasks from a single-view image: (i) holistic scene parsing and reconstruction---3D estimations of object bounding boxes, camera pose, and room layout, and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Yixin Chen , Siyuan Huang , Tao Yuan , Siyuan Qi , Yixin Zhu , Song-Chun Zhu