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Computer-aided design (CAD) is vital to modern manufacturing, yet model creation remains labor-intensive and expertise-heavy. To enable non-experts to translate intuitive design intent into manufacturable artifacts, recent large language…

Artificial Intelligence · Computer Science 2026-01-21 Xiangyu Shi , Junyang Ding , Xu Zhao , Sinong Zhan , Payal Mohapatra , Daniel Quispe , Kojo Welbeck , Jian Cao , Wei Chen , Ping Guo , Qi Zhu

Recent progress in spatial reasoning with Multimodal Large Language Models (MLLMs) increasingly leverages geometric priors from 3D encoders. However, most existing integration strategies remain passive: geometry is exposed as a global…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Haoyuan Li , Qihang Cao , Tao Tang , Kun Xiang , Zihan Guo , Jianhua Han , JiaWang Bian , Hang Xu , Xiaodan Liang

Large Multimodal Models (LMMs) have achieved strong performance across a range of vision and language tasks. However, their spatial reasoning capabilities are under-investigated. In this paper, we construct a novel VQA dataset, Spatial-MM,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Fatemeh Shiri , Xiao-Yu Guo , Mona Golestan Far , Xin Yu , Gholamreza Haffari , Yuan-Fang Li

Current text-to-image (T2I) generation models struggle to align spatial composition with the input text, especially in complex scenes. Even layout-based approaches yield suboptimal spatial control, as their generation process is decoupled…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Zheyuan Liu , Munan Ning , Qihui Zhang , Shuo Yang , Zhongrui Wang , Yiwei Yang , Xianzhe Xu , Yibing Song , Weihua Chen , Fan Wang , Li Yuan

Recent advances in multi-modal large language models (MLLMs) and chain-of-thought (CoT) reasoning have led to significant progress in image and text generation tasks. However, the field of 3D human pose generation still faces critical…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Junuk Cha , Jihyeon Kim

Recent advancements in multi-modal large language models (MLLMs) have shown strong potential for 3D scene understanding. However, existing methods struggle with fine-grained object grounding and contextual reasoning, limiting their ability…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Haifeng Huang , Yilun Chen , Zehan Wang , Jiangmiao Pang , Zhou Zhao

Although most current large multimodal models (LMMs) can already understand photos of natural scenes and portraits, their understanding of abstract images, e.g., charts, maps, or layouts, and visual reasoning capabilities remains quite…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Wenqi Zhang , Zhenglin Cheng , Yuanyu He , Mengna Wang , Yongliang Shen , Zeqi Tan , Guiyang Hou , Mingqian He , Yanna Ma , Weiming Lu , Yueting Zhuang

Text-to-3D generation has advanced rapidly, yet state-of-the-art models, encompassing both optimization-based and feed-forward architectures, still face two fundamental limitations. First, they struggle with coarse semantic alignment, often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Weimin Bai , Yubo Li , Weijian Luo , Zeqiang Lai , Yequan Wang , Wenzheng Chen , He Sun

Geometric Problem Solving (GPS) poses a unique challenge for Multimodal Large Language Models (MLLMs), requiring not only the joint interpretation of text and diagrams but also iterative visuospatial reasoning. While existing approaches…

Artificial Intelligence · Computer Science 2026-03-26 Shichao Weng , Zhiqiang Wang , Yuhua Zhou , Rui Lu , Ting Liu , Zhiyang Teng , Xiaozhang Liu , Hanmeng Liu

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

Creating Computer-Aided Design (CAD) models requires significant expertise and effort. Text-to-CAD, which converts textual descriptions into CAD parametric sequences, is crucial in streamlining this process. Recent studies have utilized…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Ruiyu Wang , Yu Yuan , Shizhao Sun , Jiang Bian

Multimodal geometry reasoning requires models to jointly understand visual diagrams and perform structured symbolic inference, yet current vision--language models struggle with complex geometric constructions due to limited training data…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Haobo Lin , Tianyi Bai , Chen Chen , Jiajun Zhang , Bohan Zeng , Wentao Zhang , Binhang Yuan

Reasoning about spatial relationships between objects is essential for many real-world robotic tasks, such as fetch-and-delivery, object rearrangement, and object search. The ability to detect and disambiguate different objects and identify…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Negar Nejatishahidin , Madhukar Reddy Vongala , Jana Kosecka

With the rapid evolution of global autonomous driving technology, the demand for its core sensing hardware, Light Detection and Ranging (LiDAR), is escalating. As the light source part of the LiDAR system, lasers, particularly the…

Multimodal Large Language Models (MLLMs) have made rapid progress in spatial intelligence, yet existing spatial reasoning benchmarks largely assume pristine visual inputs and overlook the degradations that commonly occur in real-world…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Xiaolong Zhou , Yifei Liu , Ziyang Gong , Jiarui Li , Qiyue Zhao , Muyao Niu , Yuanyuan Gao , Le Ma , Xue Yang , Hongjie Zhang , Zhihang Zhong

Multi-modal large language models (MLLMs) have shown incredible capabilities in a variety of 2D vision and language tasks. We extend MLLMs' perceptual capabilities to ground and reason about images in 3-dimensional space. To that end, we…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Jang Hyun Cho , Boris Ivanovic , Yulong Cao , Edward Schmerling , Yue Wang , Xinshuo Weng , Boyi Li , Yurong You , Philipp Krähenbühl , Yan Wang , Marco Pavone

Large Language Models are increasingly capable of interpreting multimodal inputs to generate complex 3D shapes, yet robust methods to evaluate geometric and structural fidelity remain underdeveloped. This paper introduces a human in the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Ahmed R. Sadik , Mariusz Bujny

Despite strong performance on vision-language tasks, Multimodal Large Language Models (MLLMs) struggle with mathematical problem-solving, with both open-source and state-of-the-art models falling short of human performance on visual-math…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 William Rudman , Michal Golovanevsky , Amir Bar , Vedant Palit , Yann LeCun , Carsten Eickhoff , Ritambhara Singh

Large language models (LLMs) have demonstrated remarkable performance across a wide range of tasks. Advances in prompt engineering and fine-tuning techniques have further enhanced their ability to address complex reasoning challenges.…

Computation and Language · Computer Science 2024-12-16 Jing Bi , Yuting Wu , Weiwei Xing , Zhenjie Wei

Current text-to-image generation models often struggle to follow textual instructions, especially the ones requiring spatial reasoning. On the other hand, Large Language Models (LLMs), such as GPT-4, have shown remarkable precision in…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Tianjun Zhang , Yi Zhang , Vibhav Vineet , Neel Joshi , Xin Wang