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Anomaly detection is a challenging task and usually formulated as an one-class learning problem for the unexpectedness of anomalies. This paper proposes a simple yet powerful approach to this issue, which is implemented in the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Guodong Wang , Shumin Han , Errui Ding , Di Huang

Multimodal intent understanding is a significant research area that requires effective leveraging of multiple modalities to analyze human language. Existing methods face two main challenges in this domain. Firstly, they have limitations in…

Multimedia · Computer Science 2025-05-26 Hanlei Zhang , Qianrui Zhou , Hua Xu , Jianhua Su , Roberto Evans , Kai Gao

Multi-modal 3D medical image segmentation aims to accurately identify tumor regions across different modalities, facing challenges from variations in image intensity and tumor morphology. Traditional convolutional neural network (CNN)-based…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Zexin Ji , Beiji Zou , Xiaoyan Kui , Hua Li , Pierre Vera , Su Ruan

The matching of 3D shapes has been extensively studied for shapes represented as surface meshes, as well as for shapes represented as point clouds. While point clouds are a common representation of raw real-world 3D data (e.g. from laser…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Dongliang Cao , Florian Bernard

Visible-infrared person re-identification (VI-ReID) is a challenging task due to large cross-modality discrepancies and intra-class variations. Existing methods mainly focus on learning modality-shared representations by embedding different…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Hao Yu , Xu Cheng , Wei Peng , Weihao Liu , Guoying Zhao

Video anomaly detection (VAD) often learns the distribution of normal samples and detects the anomaly through measuring significant deviations, but the undesired generalization may reconstruct a few anomalies thus suppressing the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jiahao Lyu , Minghua Zhao , Jing Hu , Xuewen Huang , Shuangli Du , Cheng Shi , Zhiyong Lv

Multi-modal medical imaging enables comprehensive diagnostics, yet current foundation models process 2D (e.g. X-ray) and 3D (e.g. CT) data with separate, dimensionality-specific architectures. We present MultiMedVision, a unified framework…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Frank Li , Bardia Khosravi , Mohammadreza Chavoshi , Young Seok Jeon , Theo Dapamede , Hari Trivedi , Janice Newsome , Judy Gichoya

We propose a novel deep reinforcement learning-based approach for 3D object reconstruction from monocular images. Prior works that use mesh representations are template based. Thus, they are limited to the reconstruction of objects that…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Tarek Ben Charrada , Hedi Tabia , Aladine Chetouani , Hamid Laga

Reconstructing an object's high-quality 3D shape with inherent spectral reflectance property, beyond typical device-dependent RGB albedos, opens the door to applications requiring a high-fidelity 3D model in terms of both geometry and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Chunyu Li , Yusuke Monno , Masatoshi Okutomi

Unlike traditional Multimodal Class-Incremental Learning (MCIL) methods that focus only on vision and text, this paper explores MCIL across vision, audio and text modalities, addressing challenges in integrating complementary information…

Machine Learning · Computer Science 2025-06-13 Yukun Chen , Zihuan Qiu , Fanman Meng , Hongliang Li , Linfeng Xu , Qingbo Wu

This work studies a challenging and practical issue known as multi-class unsupervised anomaly detection (MUAD). This problem requires only normal images for training while simultaneously testing both normal and anomaly images across…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Jiangning Zhang , Xuhai Chen , Yabiao Wang , Chengjie Wang , Yong Liu , Xiangtai Li , Ming-Hsuan Yang , Dacheng Tao

The rapid development of Large Multimodal Models (LMMs) for 2D images and videos has spurred efforts to adapt these models for interpreting 3D scenes. However, the absence of large-scale 3D vision-language datasets has posed a significant…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Haochen Wang , Yucheng Zhao , Tiancai Wang , Haoqiang Fan , Xiangyu Zhang , Zhaoxiang Zhang

In the past decades, feature-learning-based 3D shape retrieval approaches have been received widespread attention in the computer graphic community. These approaches usually explored the hand-crafted distance metric or conventional distance…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Huibing Wang , Haohao Li , Xianping Fu

The features used in many image analysis-based applications are frequently of very high dimension. Feature extraction offers several advantages in high-dimensional cases, and many recent studies have used multi-task feature extraction…

Machine Learning · Statistics 2019-04-09 Yong Luo , Yonggang Wen , Dacheng Tao , Jie Gui , Chao Xu

Anomaly detection is a significant and hence well-studied problem. However, developing effective anomaly detection methods for complex and high-dimensional data remains a challenge. As Generative Adversarial Networks (GANs) are able to…

Machine Learning · Computer Science 2018-12-07 Houssam Zenati , Manon Romain , Chuan Sheng Foo , Bruno Lecouat , Vijay Ramaseshan Chandrasekhar

Multimodal pathological images are usually in clinical diagnosis, but computer vision-based multimodal image-assisted diagnosis faces challenges with modality fusion, especially in the absence of expert-annotated data. To achieve the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Qinghua Lin , Guang-Hai Liu , Zuoyong Li , Yang Li , Yuting Jiang , Xiang Wu

Recent advancements in camera-based 3D object detection have introduced cross-modal knowledge distillation to bridge the performance gap with LiDAR 3D detectors, leveraging the precise geometric information in LiDAR point clouds. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Sanmin Kim , Youngseok Kim , Sihwan Hwang , Hyeonjun Jeong , Dongsuk Kum

Developing effective multimodal data fusion strategies has become increasingly essential for improving the predictive power of statistical machine learning methods across a wide range of applications, from autonomous driving to medical…

Machine Learning · Computer Science 2025-07-29 Ziyi Liang , Annie Qu , Babak Shahbaba

Multimodal deep learning has shown strong potential in medical applications by integrating heterogeneous data sources such as medical images and structured clinical variables. However, most existing approaches implicitly assume complete…

Machine Learning · Computer Science 2026-05-13 Camillo Maria Caruso , Valerio Guarrasi , Paolo Soda

Visible-infrared cross-modality person re-identification is a challenging ReID task, which aims to retrieve and match the same identity's images between the heterogeneous visible and infrared modalities. Thus, the core of this task is to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Tengfei Liang , Yi Jin , Yajun Gao , Wu Liu , Songhe Feng , Tao Wang , Yidong Li
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