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Recent work shows that documents from encyclopedias serve as helpful auxiliary information for zero-shot learning. Existing methods align the entire semantics of a document with corresponding images to transfer knowledge. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Xiangyan Qu , Jing Yu , Keke Gai , Jiamin Zhuang , Yuanmin Tang , Gang Xiong , Gaopeng Gou , Qi Wu

Shared embedding spaces are widely used for multimodal search and data curation. In practice, two problems often limit how well this works. First, embeddings can reflect modality more than meaning, so examples cluster by input type even…

Information Retrieval · Computer Science 2026-05-05 Pratyush Muthukumar , Harshil Kotamreddy , Sarah Amiraslani , Tomo Kanazawa , Ramani Akkati , Shaan Jain , Andrew Mathau

Dominant pre-training work for video-text retrieval mainly adopt the "dual-encoder" architectures to enable efficient retrieval, where two separate encoders are used to contrast global video and text representations, but ignore detailed…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Yuying Ge , Yixiao Ge , Xihui Liu , Alex Jinpeng Wang , Jianping Wu , Ying Shan , Xiaohu Qie , Ping Luo

Most real-world data can be modeled as heterogeneous information networks (HINs) consisting of vertices of multiple types and their relationships. Search for similar vertices of the same type in large HINs, such as bibliographic networks…

Social and Information Networks · Computer Science 2016-11-01 Jingbo Shang , Meng Qu , Jialu Liu , Lance M. Kaplan , Jiawei Han , Jian Peng

Extracting meaningful entities belonging to predefined categories from Visually-rich Form-like Documents (VFDs) is a challenging task. Visual and layout features such as font, background, color, and bounding box location and size provide…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Hao Wang , Xiahua Chen , Rui Wang , Chenhui Chu

Retrieving accurate semantic information in challenging high dynamic range (HDR) and high-speed conditions remains an open challenge for image-based algorithms due to severe image degradations. Event cameras promise to address these…

Computer Vision and Pattern Recognition · Computer Science 2022-08-03 Zhaoning Sun , Nico Messikommer , Daniel Gehrig , Davide Scaramuzza

Unsupervised visible-infrared person re-identification (USL-VI-ReID) endeavors to retrieve pedestrian images of the same identity from different modalities without annotations. While prior work focuses on establishing cross-modality…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Lingfeng He , De Cheng , Nannan Wang , Xinbo Gao

This paper proposes a new strategy for learning powerful cross-modal embeddings for audio-to-video synchronization. Here, we set up the problem as one of cross-modal retrieval, where the objective is to find the most relevant audio segment…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Soo-Whan Chung , Joon Son Chung , Hong-Goo Kang

Semantic segmentation has innately relied on extensive pixel-level annotated data, leading to the emergence of unsupervised methodologies. Among them, leveraging self-supervised Vision Transformers for unsupervised semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Chanyoung Kim , Woojung Han , Dayun Ju , Seong Jae Hwang

Visual data and text data are composed of information at multiple granularities. A video can describe a complex scene that is composed of multiple clips or shots, where each depicts a semantically coherent event or action. Similarly, a…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Bowen Zhang , Hexiang Hu , Fei Sha

Unsupervised visible-infrared person re-identification (USL-VI-ReID) seeks to match pedestrian images of the same individual across different modalities without human annotations for model learning. Previous methods unify pseudo-labels of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 De Cheng , Lingfeng He , Nannan Wang , Dingwen Zhang , Xinbo Gao

Detecting pedestrians accurately in urban scenes is significant for realistic applications like autonomous driving or video surveillance. However, confusing human-like objects often lead to wrong detections, and small scale or heavily…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Mengyin Liu , Jie Jiang , Chao Zhu , Xu-Cheng Yin

Multi-modal object Re-IDentification (ReID) aims to obtain complete identity features across heterogeneous modalities. However, most existing methods rely on implicit feature fusion modules, making it difficult to model fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Shihao Li , Huaibo Huang , Junxian Duan , Aihua Zheng , Jin Tang , Jixin Ma

The novel unseen classes can be formulated as the extreme values of known classes. This inspired the recent works on open-set recognition \cite{Scheirer_2013_TPAMI,Scheirer_2014_TPAMIb,EVM}, which however can have no way of naming the novel…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Yanwei Fu , HanZe Dong , Yu-feng Ma , Zhengjun Zhang , Xiangyang Xue

Visible-Infrared Person Re-Identification (VI-ReID) is a challenging retrieval task due to the substantial modality gap between visible and infrared images. While existing methods attempt to bridge this gap by learning modality-invariant…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Haoxuan Xu , Guanglin Niu

Learner-item cognitive modeling plays a central role in the web-based online intelligent education system by enabling cognitive diagnosis (CD) across diverse online educational scenarios. Although ID embedding remains the mainstream…

Computation and Language · Computer Science 2026-04-07 Yuanhao Liu , Zihan Zhou , Kaiying Wu , Shuo Liu , Yiyang Huang , Jiajun Guo , Aimin Zhou , Hong Qian

Audio-visual video parsing is the task of categorizing a video at the segment level with weak labels, and predicting them as audible or visible events. Recent methods for this task leverage the attention mechanism to capture the semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Yaru Chen , Ruohao Guo , Xubo Liu , Peipei Wu , Guangyao Li , Zhenbo Li , Wenwu Wang

Multi-modal retrieval becomes increasingly popular in practice. However, the existing retrievers are mostly text-oriented, which lack the capability to process visual information. Despite the presence of vision-language models like CLIP,…

Information Retrieval · Computer Science 2024-06-07 Junjie Zhou , Zheng Liu , Shitao Xiao , Bo Zhao , Yongping Xiong

Learning common subspace is prevalent way in cross-modal retrieval to solve the problem of data from different modalities having inconsistent distributions and representations that cannot be directly compared. Previous cross-modal retrieval…

Multimedia · Computer Science 2021-10-27 Donghuo Zeng , Jianming Wu , Gen Hattori , Yi Yu , Rong Xu

In computational pathology, few-shot whole slide image classification is primarily driven by the extreme scarcity of expert-labeled slides. Recent vision-language methods incorporate textual semantics generated by large language models, but…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Jiahao Xu , Sheng Huang , Xin Zhang , Zhixiong Nan , Jiajun Dong , Nankun Mu