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Vision-language retrieval is an important multi-modal learning topic, where the goal is to retrieve the most relevant visual candidate for a given text query. Recently, pre-trained models, e.g., CLIP, show great potential on retrieval…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Haojun Jiang , Jianke Zhang , Rui Huang , Chunjiang Ge , Zanlin Ni , Shiji Song , Gao Huang

Large pre-trained vision-language models (VLMs), such as CLIP, have shown unprecedented zero-shot performance across a wide range of tasks. Nevertheless, these models may be unreliable under distributional shifts, as their performance is…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Shambhavi Mishra , Julio Silva-Rodriguez , Ismail Ben Ayed , Marco Pedersoli , Jose Dolz

This paper focuses on the challenge of answering questions in scenarios that are composed of rich and complex dynamic audio-visual components. Although existing Multimodal Large Language Models (MLLMs) can respond to audio-visual content,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Qilang Ye , Zitong Yu , Rui Shao , Xinyu Xie , Philip Torr , Xiaochun Cao

How do video understanding models acquire their answers? Although current Vision Language Models (VLMs) reason over complex scenes with diverse objects, action performances, and scene dynamics, understanding and controlling their internal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Alexandros Stergiou

Sign language serves as a non-vocal means of communication, transmitting information and significance through gestures, facial expressions, and bodily movements. The majority of current approaches for sign language recognition (SLR) and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Mo Guan , Yan Wang , Guangkun Ma , Jiarui Liu , Mingzu Sun

Semantic location prediction from multimodal social media posts is a critical task with applications in personalized services and human mobility analysis. This paper introduces \textit{Contextualized Vision-Language Alignment (CoVLA)}, a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Liu Jing , Amirul Rahman

End-to-end Speech Translation (ST) aims to convert speech into target text within a unified model. The inherent differences between speech and text modalities often impede effective cross-modal and cross-lingual transfer. Existing methods…

Computation and Language · Computer Science 2023-12-19 Yuhao Zhang , Kaiqi Kou , Bei Li , Chen Xu , Chunliang Zhang , Tong Xiao , Jingbo Zhu

Sequential video understanding, as an emerging video understanding task, has driven lots of researchers' attention because of its goal-oriented nature. This paper studies weakly supervised sequential video understanding where the accurate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Sixun Dong , Huazhang Hu , Dongze Lian , Weixin Luo , Yicheng Qian , Shenghua Gao

The advances in automatic sign language translation (SLT) to spoken languages have been mostly benchmarked with datasets of limited size and restricted domains. Our work advances the state of the art by providing the first baseline results…

Computation and Language · Computer Science 2023-04-17 Laia Tarrés , Gerard I. Gállego , Amanda Duarte , Jordi Torres , Xavier Giró-i-Nieto

A main challenge of Visual-Language Tracking (VLT) is the misalignment between visual inputs and language descriptions caused by target movement. Previous trackers have explored many effective feature modification methods to preserve more…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Yihao Zhen , Qiang Wang , Yu Qiao , Liangqiong Qu , Huijie Fan

Safe autonomous systems in complex environments require robust road anomaly segmentation to identify unknown obstacles. However, existing approaches often rely on pixel-level statistics to determine whether a region appears anomalous. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zhuolin He , Jiacheng Tang , Jian Pu , Xiangyang Xue

End-to-end speech translation (ST) is the task of translating speech signals in the source language into text in the target language. As a cross-modal task, end-to-end ST is difficult to train with limited data. Existing methods often try…

Computation and Language · Computer Science 2023-05-26 Yan Zhou , Qingkai Fang , Yang Feng

In this study, we present synchronous bilingual Connectionist Temporal Classification (CTC), an innovative framework that leverages dual CTC to bridge the gaps of both modality and language in the speech translation (ST) task. Utilizing…

Computation and Language · Computer Science 2023-09-22 Chen Xu , Xiaoqian Liu , Erfeng He , Yuhao Zhang , Qianqian Dong , Tong Xiao , Jingbo Zhu , Dapeng Man , Wu Yang

Sign languages are multi-channel visual languages, where signers use a continuous 3D space to communicate.Sign Language Production (SLP), the automatic translation from spoken to sign languages, must embody both the continuous articulation…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Ben Saunders , Necati Cihan Camgoz , Richard Bowden

Contrastive Language-Image Pre-training (CLIP)~\citep{radford2021learning} has emerged as a pivotal model in computer vision and multimodal learning, achieving state-of-the-art performance at aligning visual and textual representations…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Shaoan Xie , Lingjing Kong , Yujia Zheng , Yu Yao , Zeyu Tang , Eric P. Xing , Guangyi Chen , Kun Zhang

Many vision-language models (VLMs) that prove very effective at a range of multimodal task, build on CLIP-based vision encoders, which are known to have various limitations. We investigate the hypothesis that the strong language backbone in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Sho Takishita , Jay Gala , Abdelrahman Mohamed , Kentaro Inui , Yova Kementchedjhieva

Cross-modal alignment is a crucial task in multimodal learning aimed at achieving semantic consistency between vision and language. This requires that image-text pairs exhibit similar semantics. Traditional algorithms pursue embedding…

Machine Learning · Computer Science 2026-03-09 Xiang Ma , Lexin Fang , Litian Xu , Caiming Zhang

In this work, our goals are two fold: large-vocabulary continuous sign language recognition (CSLR), and sign language retrieval. To this end, we introduce a multi-task Transformer model, CSLR2, that is able to ingest a signing sequence and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Charles Raude , K R Prajwal , Liliane Momeni , Hannah Bull , Samuel Albanie , Andrew Zisserman , Gül Varol

In this paper, we present our solution to the Cross-View Isolated Sign Language Recognition (CV-ISLR) challenge held at WWW 2025. CV-ISLR addresses a critical issue in traditional Isolated Sign Language Recognition (ISLR), where existing…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Fei Wang , Kun Li , Yiqi Nie , Zhangling Duan , Peng Zou , Zhiliang Wu , Yuwei Wang , Yanyan Wei

How to achieve better end-to-end speech translation (ST) by leveraging (text) machine translation (MT) data? Among various existing techniques, multi-task learning is one of the effective ways to share knowledge between ST and MT in which…

Computation and Language · Computer Science 2023-05-16 Qingkai Fang , Yang Feng