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The large number of user-generated videos uploaded on to the Internet everyday has led to many commercial video search engines, which mainly rely on text metadata for search. However, metadata is often lacking for user-generated videos,…

In this paper, we propose a method to identify identical commodities. In e-commerce scenarios, commodities are usually described by both images and text. By definition, identical commodities are those that have identical key attributes and…

机器学习 · 计算机科学 2022-10-18 Chenchen Han , Heng Jia

Same-style products retrieval plays an important role in e-commerce platforms, aiming to identify the same products which may have different text descriptions or images. It can be used for similar products retrieval from different suppliers…

信息检索 · 计算机科学 2023-02-21 Ben Chen , Linbo Jin , Xinxin Wang , Dehong Gao , Wen Jiang , Wei Ning

Question Answering (QA) systems have traditionally relied on structured text data, but the rapid growth of multimedia content (images, audio, video, and structured metadata) has introduced new challenges and opportunities for…

信息检索 · 计算机科学 2025-10-24 Rahul Raja , Arpita Vats

Video highlight detection is a crucial yet challenging problem that aims to identify the interesting moments in untrimmed videos. The key to this task lies in effective video representations that jointly pursue two goals, \textit{i.e.},…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Shuaicheng Li , Feng Zhang , Kunlin Yang , Lingbo Liu , Shinan Liu , Jun Hou , Shuai Yi

Multimodal information (e.g., visual, acoustic, and textual) has been widely used to enhance representation learning for micro-video recommendation. For integrating multimodal information into a joint representation of micro-video,…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Han Liu , Yinwei Wei , Fan Liu , Wenjie Wang , Liqiang Nie , Tat-Seng Chua

We propose a novel, efficient, modular and scalable framework for content based visual media retrieval systems by leveraging the power of Deep Learning which is flexible to work both for images and videos conjointly and we also introduce an…

机器学习 · 计算机科学 2021-05-19 Ambareesh Ravi , Amith Nandakumar

Video Moment Retrieval (VMR) aims to retrieve relevant moments of an untrimmed video corresponding to the query. While cross-modal interaction approaches have shown progress in filtering out query-irrelevant information in videos, they…

人工智能 · 计算机科学 2024-08-26 Chenghua Gao , Min Li , Jianshuo Liu , Junxing Ren , Lin Chen , Haoyu Liu , Bo Meng , Jitao Fu , Wenwen Su

The exponential growth of video content has created an urgent need for efficient multimodal moment retrieval systems. However, existing approaches face three critical challenges: (1) fixed-weight fusion strategies fail across cross modal…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Toan Le Ngo Thanh , Phat Ha Huu , Tan Nguyen Dang Duy , Thong Nguyen Le Minh , Anh Nguyen Nhu Tinh

Universal multimodal embedding models have achieved great success in capturing semantic relevance between queries and candidates. However, current methods either condense queries and candidates into a single vector, potentially limiting the…

信息检索 · 计算机科学 2026-04-08 Zilin Xiao , Qi Ma , Mengting Gu , Chun-cheng Jason Chen , Xintao Chen , Vicente Ordonez , Vijai Mohan

Pre-training a model to learn transferable video-text representation for retrieval has attracted a lot of attention in recent years. Previous dominant works mainly adopt two separate encoders for efficient retrieval, but ignore local…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Yuying Ge , Yixiao Ge , Xihui Liu , Dian Li , Ying Shan , Xiaohu Qie , Ping Luo

Multi-modal embeddings form the foundation for vision-language models, such as CLIP embeddings, the most widely used text-image embeddings. However, these embeddings are vulnerable to subtle misalignment of cross-modal features, resulting…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yilin Ye , Shishi Xiao , Xingchen Zeng , Wei Zeng

As medical diagnoses increasingly leverage multimodal data, machine learning models are expected to effectively fuse heterogeneous information while remaining robust to missing modalities. In this work, we propose a novel multimodal…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Yi Gu , Kuniaki Saito , Jiaxin Ma

Multimodal video understanding plays a crucial role in tasks such as action recognition and emotion classification by combining information from different modalities. However, multimodal models are prone to overfitting strong modalities,…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Xiaoyu Ma , Ding Ding , Hao Chen

Effective content moderation is essential for video platforms to safeguard user experience and uphold community standards. While traditional video classification models effectively handle well-defined moderation tasks, they struggle with…

机器学习 · 计算机科学 2025-07-24 Zixuan Wang , Jinghao Shi , Hanzhong Liang , Xiang Shen , Vera Wen , Zhiqian Chen , Yifan Wu , Zhixin Zhang , Hongyu Xiong

This paper introduces a novel approach named CrossVideo, which aims to enhance self-supervised cross-modal contrastive learning in the field of point cloud video understanding. Traditional supervised learning methods encounter limitations…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Yunze Liu , Changxi Chen , Zifan Wang , Li Yi

Video retrieval requires aligning visual content with corresponding natural language descriptions. In this paper, we introduce Modality Auxiliary Concepts for Video Retrieval (MAC-VR), a novel approach that leverages modality-specific tags…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Adriano Fragomeni , Dima Damen , Michael Wray

Our objective is to build an embedding model that captures the nuanced relationship between a search query and candidate videos. We cover three aspects of nuanced retrieval: (i) temporal, (ii) negation, and (iii) multimodal. For temporal…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Piyush Bagad , Andrew Zisserman

Cross-modal retrieval is the task of retrieving samples of a given modality by using queries of a different one. Due to the wide range of practical applications, the problem has been mainly focused on the vision and language case, e.g. text…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Jorge Sánchez , Rodrigo Laguna

Cross-lingual cross-modal retrieval has garnered increasing attention recently, which aims to achieve the alignment between vision and target language (V-T) without using any annotated V-T data pairs. Current methods employ machine…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yabing Wang , Fan Wang , Jianfeng Dong , Hao Luo