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Related papers: Direction-aware 3D Large Multimodal Models

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A self-driving perception model aims to extract 3D semantic representations from multiple cameras collectively into the bird's-eye-view (BEV) coordinate frame of the ego car in order to ground downstream planner. Existing perception methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Jiachen Lu , Zheyuan Zhou , Xiatian Zhu , Hang Xu , Li Zhang

While current talking head models are capable of generating photorealistic talking head videos, they provide limited pose controllability. Most methods require specific video sequences that should exactly contain the head pose desired,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Kwangho Lee , Patrick Kwon , Myung Ki Lee , Namhyuk Ahn , Junsoo Lee

While massively scaling both data and models have become central in NLP and 2D vision, their benefits for 3D point cloud understanding remain limited. We study the initial step of scaling 3D point cloud understanding under a realistic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xuweiyi Chen , Wentao Zhou , Aruni RoyChowdhury , Zezhou Cheng

We present a novel active learning framework for 3D point cloud semantic segmentation that, for the first time, integrates large language models (LLMs) to construct hierarchical label structures and guide uncertainty-based sample selection.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Chenxi Li , Nuo Chen , Fengyun Tan , Yantong Chen , Bochun Yuan , Tianrui Li , Chongshou Li

Humans constantly reason about 3D proximity, the relations between their body and surrounding objects, to guide perception and action in daily life. Whether multimodal large language models (MLLMs) can perform such embodied 3D reasoning…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Jinzhao Li , Yinuo Chen , Dongxu Piao , Panwang Pan , Yifan Yu , Dong Wang , Honglei Yan , Liang Yue , Shaofei Wang , Yixin Chen , Siyuan Huang , Miao Liu

State-of-the-art 3D models, which excel in recognition tasks, typically depend on large-scale datasets and well-defined category sets. Recent advances in multi-modal pre-training have demonstrated potential in learning 3D representations by…

Multimedia · Computer Science 2024-04-23 Ben Fei , Yixuan Li , Weidong Yang , Lipeng Ma , Ying He

Recent advances in 3D datasets and multimodal models have greatly improved natural language 3D scene understanding. However, most 3D referring segmentation methods do not explicitly represent the observer viewpoint, making spatial relations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Ayaka Nanri , Klara Reichard , Mert Kiray , Federico Tombari , Benjamin Busam , Asako Kanezaki

Vision-based ego-lane inference using High-Definition (HD) maps is essential in autonomous driving and advanced driver assistance systems. The traditional approach necessitates well-calibrated cameras, which confines variation of camera…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chaehyeon Song , Sungho Yoon , Minhyeok Heo , Ayoung Kim , Sujung Kim

Recent Large Multimodal Models have demonstrated remarkable reasoning capabilities, especially in solving complex mathematical problems and realizing accurate spatial perception. Our key insight is that these emerging abilities can…

Artificial Intelligence · Computer Science 2025-05-20 Weiliang Tang , Dong Jing , Jia-Hui Pan , Zhiwu Lu , Yun-Hui Liu , Li Erran Li , Mingyu Ding , Chi-Wing Fu

We present a novel method for estimation of 3D human poses from a multi-camera setup, employing distributed smart edge sensors coupled with a backend through a semantic feedback loop. 2D joint detection for each camera view is performed…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Simon Bultmann , Sven Behnke

Unlocking spatial reasoning in Multimodal Large Language Models (MLLMs) is crucial for enabling intelligent interaction with 3D environments. While prior efforts often rely on explicit 3D inputs or specialized model architectures, we ask:…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Fangrui Zhu , Hanhui Wang , Yiming Xie , Jing Gu , Tianye Ding , Jianwei Yang , Huaizu Jiang

We propose a novel generative approach for 3D human pose estimation. 3D human pose estimation poses several key challenges due to the complex geometry of the human body, self-occluding joints, and the requirement for large-scale real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Hyunsoo Lee , Daeum Jeon , Hyeokjae Oh

To understand how people look, interact, or perform tasks, we need to quickly and accurately capture their 3D body, face, and hands together from an RGB image. Most existing methods focus only on parts of the body. A few recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-08-21 Vasileios Choutas , Georgios Pavlakos , Timo Bolkart , Dimitrios Tzionas , Michael J. Black

Recent advances in Multimodal Large Language Models (MLLMs) have significantly improved 2D visual understanding, prompting interest in their application to complex 3D reasoning tasks. However, it remains unclear whether these models can…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Xiaoyu Zhan , Wenxuan Huang , Hao Sun , Xinyu Fu , Changfeng Ma , Shaosheng Cao , Bohan Jia , Shaohui Lin , Zhenfei Yin , Lei Bai , Wanli Ouyang , Yuanqi Li , Jie Guo , Yanwen Guo

Recent advances in multimodal large language models (MLLMs) have demonstrated strong capabilities in understanding general visual content. However, these general-domain MLLMs perform poorly in face perception tasks, often producing…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Jingzhi Li , Changjiang Luo , Ruoyu Chen , Hua Zhang , Wenqi Ren , Jianhou Gan , Xiaochun Cao

Recent advances in scene understanding have leveraged multimodal large language models (MLLMs) for 3D reasoning by capitalizing on their strong 2D pretraining. However, the lack of explicit 3D data during MLLM pretraining limits 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Xiaohu Huang , Jingjing Wu , Qunyi Xie , Kai Han

Multi-human 3D pose estimation plays a key role in establishing a seamless connection between the real world and the virtual world. Recent efforts adopted a two-stage framework that first builds 2D pose estimations in multiple camera views…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Letian Zhang , Jie Xu

Large vision-language models (VLMs) show strong multimodal understanding but still struggle with 3D spatial reasoning, such as distance estimation, size comparison, and cross-view consistency. Existing 3D-aware methods either depend on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Ruosen Zhao , Zhikang Zhang , Jialei Xu , Jiahao Chang , Dong Chen , Lingyun Li , Weijian Sun , Zizhuang Wei

Human motion recovery for real-world interaction demands both precise action details and metric-scale trajectories. Recovering absolute human pose from monocular input presents a viable solution, but faces two main challenges: (1) models'…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Zhumei Wang , Zechen Hu , Ruoxi Guo , Huaijin Pi , Ziyong Feng , Liang Zhang , Mingtao Pei , Siyuan Huang

Detecting and matching robust viewpoint-invariant keypoints is critical for visual SLAM and Structure-from-Motion. State-of-the-art learning-based methods generate training samples via homography adaptation to create 2D synthetic views with…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Jiexiong Tang , Rares Ambrus , Vitor Guizilini , Sudeep Pillai , Hanme Kim , Patric Jensfelt , Adrien Gaidon