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Multimodal Large Language Models (MLLMs) have demonstrated impressive performance in general vision-language tasks. However, recent studies have exposed critical limitations in their spatial reasoning capabilities. This deficiency in…

Machine Learning · Computer Science 2025-06-04 Huanyu Zhang , Chengzu Li , Wenshan Wu , Shaoguang Mao , Yifan Zhang , Haochen Tian , Ivan Vulić , Zhang Zhang , Liang Wang , Tieniu Tan , Furu Wei

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

Multimodal Large Language Models (MLLMs) have shown promising capabilities in mathematical reasoning within visual contexts across various datasets. However, most existing multimodal math benchmarks are limited to single-visual contexts,…

Artificial Intelligence · Computer Science 2025-08-04 Peijie Wang , Zhong-Zhi Li , Fei Yin , Xin Yang , Dekang Ran , Cheng-Lin Liu

Spatial relation reasoning is a crucial task for multimodal large language models (MLLMs) to understand the objective world. However, current benchmarks have issues like relying on bounding boxes, ignoring perspective substitutions, or…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Jingping Liu , Ziyan Liu , Zhedong Cen , Yan Zhou , Yinan Zou , Weiyan Zhang , Haiyun Jiang , Tong Ruan

Spatial reasoning, the ability to understand and interpret the 3D structure of the world, is a critical yet underdeveloped capability in Multimodal Large Language Models (MLLMs). Current methods predominantly rely on verbal descriptive…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Meng Cao , Haokun Lin , Haoyuan Li , Haoran Tang , Rongtao Xu , Dong An , Xue Liu , Ian Reid , Xiaodan Liang

Evaluating the symbolic reasoning of large language models (LLMs) calls for geometry benchmarks that require multi-step proofs grounded in both text and diagrams. However, existing benchmarks are often limited in scale and rarely provide…

Computation and Language · Computer Science 2026-03-23 Yushun Zhang , Weiping Fu , Zesheng Yang , Bo Zhao , Lingling Zhang , Jian Zhang , Yumeng Fu , Jiaxing Huang , Jun Liu

The ability to process information from multiple modalities and to reason through it step-by-step remains a critical challenge in advancing artificial intelligence. However, existing reasoning benchmarks focus on text-only reasoning, or…

Artificial Intelligence · Computer Science 2025-07-01 Yulun Jiang , Yekun Chai , Maria Brbić , Michael Moor

While Multimodal Large Language Models (MLLMs) have achieved impressive performance on semantic tasks, their spatial intelligence--crucial for robust and grounded AI systems--remains underdeveloped. Existing benchmarks fall short of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Mingrui Wu , Zhaozhi Wang , Fangjinhua Wang , Jiaolong Yang , Marc Pollefeys , Tong Zhang

Multi-step spatial reasoning entails understanding and reasoning about spatial relationships across multiple sequential steps, which is crucial for tackling complex real-world applications, such as robotic manipulation, autonomous…

Artificial Intelligence · Computer Science 2025-06-23 Kexian Tang , Junyao Gao , Yanhong Zeng , Haodong Duan , Yanan Sun , Zhening Xing , Wenran Liu , Kaifeng Lyu , Kai Chen

Multimodal large language models (MLLMs) are proficient in perception and instruction-following, but they still struggle with spatial reasoning: the ability to mentally track and manipulate objects across multiple views and over time.…

Artificial Intelligence · Computer Science 2025-12-30 Ryan Spencer , Roey Yaari , Ritvik Vemavarapu , Joyce Yang , Steven Ngo , Utkarsh Sharma

Mathematical reasoning serves as a cornerstone for assessing the fundamental cognitive capabilities of human intelligence. In recent times, there has been a notable surge in the development of Large Language Models (LLMs) geared towards the…

Computation and Language · Computer Science 2024-09-18 Janice Ahn , Rishu Verma , Renze Lou , Di Liu , Rui Zhang , Wenpeng Yin

4D spatial intelligence involves perceiving and processing how objects move or change over time. Humans naturally possess 4D spatial intelligence, supporting a broad spectrum of spatial reasoning abilities. To what extent can Multimodal…

This paper explores the spatial reasoning capability of large language models (LLMs) over textual input through a suite of five tasks aimed at probing their spatial understanding and computational abilities. The models were tested on both…

Computation and Language · Computer Science 2025-10-24 Maggie Bai , Ava Kim Cohen , Eleanor Koss , Charlie Lichtenbaum

Multimodal Small-to-Medium sized Language Models (MSLMs) have demonstrated strong capabilities in integrating visual and textual information but still face significant limitations in visual comprehension and mathematical reasoning,…

Machine Learning · Computer Science 2026-01-27 Ashutosh Bajpai , Akshat Bhandari , Akshay Nambi , Tanmoy Chakraborty

Understanding perspective is fundamental to human visual perception, yet the extent to which multimodal large language models (MLLMs) internalize perspective geometry remains unclear. We introduce MMPerspective, the first benchmark…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Yolo Y. Tang , Pinxin Liu , Zhangyun Tan , Mingqian Feng , Rui Mao , Chao Huang , Jing Bi , Yunzhong Xiao , Susan Liang , Hang Hua , Ali Vosoughi , Luchuan Song , Zeliang Zhang , Chenliang Xu

A key frontier for Multimodal Large Language Models (MLLMs) is the ability to perform deep mathematical and spatial reasoning directly from images, moving beyond their established success in semantic description. Mathematical surface plots…

Artificial Intelligence · Computer Science 2025-09-10 Nilay Pande , Sahiti Yerramilli , Jayant Sravan Tamarapalli , Rynaa Grover

3D spatial reasoning is the ability to analyze and interpret the positions, orientations, and spatial relationships of objects within the 3D space. This allows models to develop a comprehensive understanding of the 3D scene, enabling their…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Wufei Ma , Haoyu Chen , Guofeng Zhang , Yu-Cheng Chou , Jieneng Chen , Celso M de Melo , Alan Yuille

Although large multimodal models (LMMs) have demonstrated remarkable capabilities in visual scene interpretation and reasoning, their capacity for complex and precise 3-dimensional spatial reasoning remains uncertain. Existing benchmarks…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Xingrui Wang , Wufei Ma , Tiezheng Zhang , Celso M de Melo , Jieneng Chen , Alan Yuille

The rapid progress of Multimodal Large Language Models (MLLMs) has unlocked the potential for enhanced 3D scene understanding and spatial reasoning. A recent line of work explores learning spatial reasoning directly from multi-view images,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Kanghee Lee , Injae Lee , Minseok Kwak , Jungi Hong , Kwonyoung Ryu , Jaesik Park

Mathematical reasoning, a core aspect of human cognition, is vital across many domains, from educational problem-solving to scientific advancements. As artificial general intelligence (AGI) progresses, integrating large language models…

Computation and Language · Computer Science 2025-05-21 Yibo Yan , Jiamin Su , Jianxiang He , Fangteng Fu , Xu Zheng , Yuanhuiyi Lyu , Kun Wang , Shen Wang , Qingsong Wen , Xuming Hu