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With the development of pre-trained language models, remarkable success has been witnessed in dialogue understanding (DU). However, current DU approaches usually employ independent models for each distinct DU task without considering shared…

Computation and Language · Computer Science 2022-07-26 Zhi Chen , Lu Chen , Bei Chen , Libo Qin , Yuncong Liu , Su Zhu , Jian-Guang Lou , Kai Yu

Vision-Language Models (VLMs) excel at 2D tasks such as grounding and captioning, yet remain limited in 3D understanding. A key limitation is their text-only supervision paradigm, which under-constrains fine-grained visual perception and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Hanxun Yu , Xuan Qu , Yuxin Wang , Jianke Zhu , Lei Ke

In the realm of 3D reconstruction from 2D images, a persisting challenge is to achieve high-precision reconstructions devoid of 3D Ground Truth data reliance. We present UNeR3D, a pioneering unsupervised methodology that sets a new standard…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Hongbin Lin , Juangui Xu , Qingfeng Xu , Zhengyu Hu , Handing Xu , Yunzhi Chen , Yongjun Hu , Zhenguo Nie

Vision-Language-Action (VLA) models excel at robotic tasks by leveraging large-scale 2D vision-language pretraining, but their reliance on RGB images limits spatial reasoning critical for real-world interaction. Retraining these models with…

Robotics · Computer Science 2025-03-11 Chengmeng Li , Junjie Wen , Yan Peng , Yaxin Peng , Feifei Feng , Yichen Zhu

Recent advances in Large Multi-modal Models (LMMs) have demonstrated their remarkable success as general-purpose multi-modal assistants, with particular focuses on holistic image- and video-language understanding. Conversely, less attention…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ye Liu , Zongyang Ma , Junfu Pu , Zhongang Qi , Yang Wu , Ying Shan , Chang Wen Chen

Various 3D semantic attributes such as segmentation masks, geometric features, keypoints, and materials can be encoded as per-point probe functions on 3D geometries. Given a collection of related 3D shapes, we consider how to jointly…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Minhyuk Sung , Hao Su , Ronald Yu , Leonidas Guibas

We present a unified formulation and model for three motion and 3D perception tasks: optical flow, rectified stereo matching and unrectified stereo depth estimation from posed images. Unlike previous specialized architectures for each…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Haofei Xu , Jing Zhang , Jianfei Cai , Hamid Rezatofighi , Fisher Yu , Dacheng Tao , Andreas Geiger

Semantic understanding of 3D point clouds is important for various robotics applications. Given that point-wise semantic annotation is expensive, in this paper, we address the challenge of learning models with extremely sparse labels. The…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Liyi Luo , Beiwen Tian , Hao Zhao , Guyue Zhou

Building a foundation model for 3D vision is a complex challenge that remains unsolved. Towards that goal, it is important to understand the 3D reasoning capabilities of current models as well as identify the gaps between these models and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Yiming Zuo , Karhan Kayan , Maggie Wang , Kevin Jeon , Jia Deng , Thomas L. Griffiths

The domain gap between remote sensing imagery and natural images has recently received widespread attention and Vision-Language Models (VLMs) have demonstrated excellent generalization performance in remote sensing multimodal tasks.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Yujie Li , Wenjia Xu , Guangzuo Li , Zijian Yu , Zhiwei Wei , Jiuniu Wang , Mugen Peng

Vision-language-action models (VLAs) have garnered significant attention for their potential in advancing robotic manipulation. However, previous approaches predominantly rely on the general comprehension capabilities of vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yuqi Wang , Xinghang Li , Wenxuan Wang , Junbo Zhang , Yingyan Li , Yuntao Chen , Xinlong Wang , Zhaoxiang Zhang

The fusion of language and vision in large vision-language models (LVLMs) has revolutionized deep learning-based object detection by enhancing adaptability, contextual reasoning, and generalization beyond traditional architectures. This…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Ranjan Sapkota , Manoj Karkee

Gaze understanding unifies the detection of people, their gaze targets, and objects of interest into a single framework, offering critical insight into visual attention and intent estimation. Although prior research has modelled gaze cues…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Athul M. Mathew , Haithem Hermassi , Thariq Khalid , Arshad Ali Khan

State-of-the-art lidar-based 3D object detection methods rely on supervised learning and large labeled datasets. However, annotating lidar data is resource-consuming, and depending only on supervised learning limits the applicability of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Ekim Yurtsever , Emeç Erçelik , Mingyu Liu , Zhijie Yang , Hanzhen Zhang , Pınar Topçam , Maximilian Listl , Yılmaz Kaan Çaylı , Alois Knoll

Joint image-text embedding is the bedrock for most Vision-and-Language (V+L) tasks, where multimodality inputs are simultaneously processed for joint visual and textual understanding. In this paper, we introduce UNITER, a UNiversal…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Yen-Chun Chen , Linjie Li , Licheng Yu , Ahmed El Kholy , Faisal Ahmed , Zhe Gan , Yu Cheng , Jingjing Liu

Currently, vision encoder models like Vision Transformers (ViTs) typically excel at image recognition tasks but cannot simultaneously support text recognition like human visual recognition. To address this limitation, we propose UNIT, a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Yi Zhu , Yanpeng Zhou , Chunwei Wang , Yang Cao , Jianhua Han , Lu Hou , Hang Xu

Humans possess a unified cognitive ability to perceive, comprehend, and interact with the physical world. Why can't large language models replicate this holistic understanding? Through a systematic analysis of existing training paradigms in…

Building a universal Video-Language model for solving various video understanding tasks (\emph{e.g.}, text-video retrieval, video question answering) is an open challenge to the machine learning field. Towards this goal, most recent works…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Jingjia Huang , Yinan Li , Jiashi Feng , Xinglong Wu , Xiaoshuai Sun , Rongrong Ji

The size and the computational load of fine-tuning large-scale pre-trained neural network are becoming two major obstacles in adopting machine learning in many applications. Continual learning (CL) can serve as a remedy through enabling…

Machine Learning · Computer Science 2023-03-28 Yuliang Cai , Jesse Thomason , Mohammad Rostami

This paper presents a knowledge-based detection of objects approach using the OWL ontology language, the Semantic Web Rule Language, and 3D processing built-ins aiming at combining geometrical analysis of 3D point clouds and specialist's…

Artificial Intelligence · Computer Science 2013-01-23 Helmi Ben Hmida , Christophe Cruz , Frank Boochs , Christophe Nicolle