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While diffusion models have shown exceptional capabilities in aesthetic image synthesis, they often struggle with complex spatial understanding and reasoning. Existing approaches resort to Multimodal Large Language Models (MLLMs) to enhance…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Wei Chen , Yancheng Long , Mingqiao Liu , Haojie Ding , Yankai Yang , Hongyang Wei , Yi-Fan Zhang , Bin Wen , Fan Yang , Tingting Gao , Han Li , Long Chen

Achieving deep alignment between vision and language remains a central challenge for Multimodal Large Language Models (MLLMs). These models often fail to fully leverage visual input, defaulting to strong language priors. Our approach first…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Aarti Ghatkesar , Ganesh Venkatesh

Multimodal large language models (MLLMs) have achieved significant progress in image and language tasks due to the strong reasoning capability of large language models (LLMs). Nevertheless, most MLLMs suffer from limited spatial reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Jiajie Guo , Qingpeng Zhu , Jin Zeng , Xiaolong Wu , Changyong He , Weida Wang

While Multimodal Large Language Models (MLLMs) demonstrate proficiency in 2D scenes, extending their perceptual intelligence to 3D point cloud understanding remains a significant challenge. Current approaches focus primarily on aligning 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Dongxu Zhang , Yiding Sun , Pengcheng Li , Yumou Liu , Hongqiang Lin , Haoran Xu , Xiaoxuan Mu , Liang Lin , Wenbiao Yan , Ning Yang , Chaowei Fang , Juanjuan Zhao , Jihua Zhu , Conghui He , Cheng Tan

Masked Modeling (MM) has demonstrated widespread success in various vision challenges, by reconstructing masked visual patches. Yet, applying MM for large-scale 3D scenes remains an open problem due to the data sparsity and scene…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Mingye Xu , Mutian Xu , Tong He , Wanli Ouyang , Yali Wang , Xiaoguang Han , Yu Qiao

Existing Multimodal Large Language Models (MLLMs) struggle with 3D spatial reasoning, as they fail to construct structured abstractions of the 3D environment depicted in video inputs. To bridge this gap, drawing inspiration from cognitive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiacheng Hua , Yishu Yin , Yuhang Wu , Tai Wang , Yifei Huang , Miao Liu

Driven by the great success of Large Language Models (LLMs) in the 2D image domain, their applications in 3D scene understanding has emerged as a new trend. A key difference between 3D and 2D is that the situation of an egocentric observer…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Zhihao Yuan , Yibo Peng , Jinke Ren , Yinghong Liao , Yatong Han , Chun-Mei Feng , Hengshuang Zhao , Guanbin Li , Shuguang Cui , Zhen Li

The ability to understand and reason about spatial relationships between objects in images is an important component of visual reasoning. This skill rests on the ability to recognize and localize objects of interest and determine their…

Computation and Language · Computer Science 2024-10-14 Navid Rajabi , Jana Kosecka

While multimodal large language models (MLLMs) have made groundbreaking progress in embodied intelligence, they still face significant challenges in spatial reasoning for complex long-horizon tasks. To address this gap, we propose…

With the rapid advancement of artificial intelligence and robotics, the integration of Large Language Models (LLMs) with 3D vision is emerging as a transformative approach to enhancing robotic sensing technologies. This convergence enables…

Robotics · Computer Science 2025-11-19 Vinit Mehta , Charu Sharma , Karthick Thiyagarajan

The Multi-Modal Large Language Model (MLLM) refers to an extension of the Large Language Model (LLM) equipped with the capability to receive and infer multi-modal data. Spatial awareness stands as one of the crucial abilities of MLLM,…

Artificial Intelligence · Computer Science 2023-11-02 Yongqiang Zhao , Zhenyu Li , Zhi Jin , Feng Zhang , Haiyan Zhao , Chengfeng Dou , Zhengwei Tao , Xinhai Xu , Donghong Liu

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 reasoning in large-scale 3D environments such as warehouses remains a significant challenge for vision-language systems due to scene clutter, occlusions, and the need for precise spatial understanding. Existing models often struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Tanner Muturi , Blessing Agyei Kyem , Joshua Kofi Asamoah , Neema Jakisa Owor , Richard Dyzinela , Andrews Danyo , Yaw Adu-Gyamfi , Armstrong Aboah

Recent advances in Multi-modal Large Language Models (MLLMs) target 3D spatial intelligence, yet the progress has been largely driven by post-training on curated benchmarks, leaving the inference-time approach relatively underexplored. In…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Tingshu Mou , Jiabo He , Renying Wang , Ce Liu , Hao Yang , Tiehua Zhang , Jingjing Chen , Xingjun Ma

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

Large vision-language models (VLMs) still struggle with reliable 3D spatial reasoning, a core capability for embodied and physical AI systems. This limitation arises from their inability to capture fine-grained 3D geometry and spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Jian Zhang , Shijie Zhou , Bangya Liu , Achuta Kadambi , Zhiwen Fan

Understanding and reasoning about spatial relationships is a fundamental capability for Visual Question Answering (VQA) and robotics. While Vision Language Models (VLM) have demonstrated remarkable performance in certain VQA benchmarks,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Boyuan Chen , Zhuo Xu , Sean Kirmani , Brian Ichter , Danny Driess , Pete Florence , Dorsa Sadigh , Leonidas Guibas , Fei Xia

Understanding 3D medical image volumes is a critical task in the medical domain. However, existing 3D convolution and transformer-based methods have limited semantic understanding of an image volume and also need a large set of volumes for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Qiuhui Chen , Huping Ye , Yi Hong

Multimodal large language models (MLLMs) have shown great potential in perception and interpretation tasks, but their capabilities in predictive reasoning remain under-explored. To address this gap, we introduce a novel benchmark that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Mingwei Zhu , Leigang Sha , Yu Shu , Kangjia Zhao , Tiancheng Zhao , Jianwei Yin

3D vision-language (VL) reasoning has gained significant attention due to its potential to bridge the 3D physical world with natural language descriptions. Existing approaches typically follow task-specific, highly specialized paradigms.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Hao Liu , Yanni Ma , Yan Liu , Haihong Xiao , Ying He