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Camera-based 3D semantic scene completion (SSC) offers a cost-effective solution for assessing the geometric occupancy and semantic labels of each voxel in the surrounding 3D scene with image inputs, providing a voxel-level scene perception…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Zhiwen Yang , Yuxin Peng

Recent Audio-Visual Question Answering (AVQA) methods have advanced significantly. However, most AVQA methods lack effective mechanisms for handling missing modalities, suffering from severe performance degradation in real-world scenarios…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Jiayu Zhang , Shuo Ye , Qilang Ye , Zihan Song , Jiajian Huang , Zitong Yu

Video anomaly detection is an essential yet challenging task in the multimedia community, with promising applications in smart cities and secure communities. Existing methods attempt to learn abstract representations of regular events with…

Multimedia · Computer Science 2023-08-04 Yang Liu , Zhaoyang Xia , Mengyang Zhao , Donglai Wei , Yuzheng Wang , Liu Siao , Bobo Ju , Gaoyun Fang , Jing Liu , Liang Song

Due to the costliness of labelled data in real-world applications, semi-supervised object detectors, underpinned by pseudo labelling, are appealing. However, handling confusing samples is nontrivial: discarding valuable confusing samples…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Changrui Chen , Kurt Debattista , Jungong Han

Unsupervised object-centric representation (OCR) learning has recently drawn attention as a new paradigm of visual representation. This is because of its potential of being an effective pre-training technique for various downstream tasks in…

Machine Learning · Computer Science 2024-02-27 Jaesik Yoon , Yi-Fu Wu , Heechul Bae , Sungjin Ahn

Cross-Modal Retrieval (CMR) is an important research topic across multimodal computing and information retrieval, which takes one type of data as the query to retrieve relevant data of another type. It has been widely used in many…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Zhixiong Zeng , Wenji Mao

This study proposes an unsupervised sequence-to-sequence learning approach that automatically assesses the motion-induced reliability degradation of the cardiac volume signal (CVS) in multi-channel electrical impedance-based hemodynamic…

Signal Processing · Electrical Eng. & Systems 2023-05-18 Chang Min Hyun , Tae-Geun Kim , Kyounghun Lee

Visible-Infrared person re-identification (VI-ReID) is an important and challenging task in intelligent video surveillance. Existing methods mainly focus on learning a shared feature space to reduce the modality discrepancy between visible…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Haichao Shi , Mandi Luo , Xiao-Yu Zhang , Ran He

Large Multimodal Models (LMMs) often face a modality representation gap during pretraining: while language embeddings remain stable, visual representations are highly sensitive to contextual noise (e.g., background clutter). To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Yin Xie , Kaicheng Yang , Peirou Liang , Xiang An , Yongle Zhao , Yumeng Wang , Ziyong Feng , Roy Miles , Ismail Elezi , Jiankang Deng

Mutual information-based reinforcement learning (RL) has been proposed as a promising framework for retrieving complex skills autonomously without a task-oriented reward function through mutual information (MI) maximization or variational…

Machine Learning · Computer Science 2023-10-31 Seongun Kim , Kyowoon Lee , Jaesik Choi

Despite significant progress in Vision-Language Pre-training (VLP), current approaches predominantly emphasize feature extraction and cross-modal comprehension, with limited attention to generating or transforming visual content. This gap…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ziyang Zhang , Yang Yu , Yucheng Chen , Xulei Yang , Si Yong Yeo

Video-Language Models (VLMs) have demonstrated impressive multi-modal reasoning capabilities across diverse computer vision applications. However, these VLMs are task-specific and assume that both video and language inputs are complete.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Xiang Fang , Wanlong Fang , Changshuo Wang , Keke Tang , Daizong Liu , Siyi Wang , Wei Ji

Vision-Language Models (VLMs), such as CLIP, have demonstrated remarkable zero-shot capabilities in various computer vision tasks. However, their application to medical imaging remains challenging due to the high variability and complexity…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Xusheng Liang , Lihua Zhou , Nianxin Li , Miao Xu , Ziyang Song , Dong Yi , Jinlin Wu , Jiawei Ma , Hongbin Liu , Zhen Lei , Jiebo Luo

Although deep neural networks (DNNs) enable great progress in video abnormal event detection (VAD), existing solutions typically suffer from two issues: (1) The localization of video events cannot be both precious and comprehensive. (2) The…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Siqi Wang , Guang Yu , Zhiping Cai , Xinwang Liu , En Zhu , Jianping Yin

The progression of deep learning and the widespread adoption of sensors have facilitated automatic multi-view fusion (MVF) about the cardiovascular system (CVS) signals. However, prevalent MVF model architecture often amalgamates CVS…

Machine Learning · Computer Science 2024-06-14 Qihan Hu , Daomiao Wang , Hong Wu , Jian Liu , Cuiwei Yang

Unsupervised graph representation learning(GRL) aims to distill diverse graph information into task-agnostic embeddings without label supervision. Due to a lack of support from labels, recent representation learning methods usually adopt…

Machine Learning · Computer Science 2023-04-18 Bei Lin , You Li , Ning Gui , Zhuopeng Xu , Zhiwu Yu

Monocular visual odometry (VO) has attracted extensive research attention by providing real-time vehicle motion from cost-effective camera images. However, state-of-the-art optimization-based monocular VO methods suffer from the scale…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Sen Zhang , Jing Zhang , Dacheng Tao

The rapidly evolving field of robotics necessitates methods that can facilitate the fusion of multiple modalities. Specifically, when it comes to interacting with tangible objects, effectively combining visual and tactile sensory data is…

Robotics · Computer Science 2024-01-23 Vedant Dave , Fotios Lygerakis , Elmar Rueckert

Large-scale multi-modal contrastive pre-training has demonstrated great utility to learn transferable features for a range of downstream tasks by mapping multiple modalities into a shared embedding space. Typically, this has employed…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Haoxuan You , Luowei Zhou , Bin Xiao , Noel Codella , Yu Cheng , Ruochen Xu , Shih-Fu Chang , Lu Yuan

Visual in-context learning (VICL) enables visual foundation models to handle multiple tasks by steering them with demonstrative prompts. The choice of such prompts largely influences VICL performance, standing out as a key challenge. Prior…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Tianci Luo , Haohao Pan , Jinpeng Wang , Niu Lian , Xinrui Chen , Bin Chen , Shu-Tao Xia , Chun Yuan
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