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Cross-modal alignment is essential for vision-language pre-training (VLP) models to learn the correct corresponding information across different modalities. For this purpose, inspired by the success of masked language modeling (MLM) tasks…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yatai Ji , Rongcheng Tu , Jie Jiang , Weijie Kong , Chengfei Cai , Wenzhe Zhao , Hongfa Wang , Yujiu Yang , Wei Liu

Sign language recognition and translation technologies have the potential to increase access and inclusion of deaf signing communities, but research progress is bottlenecked by a lack of representative data. We introduce a new resource for…

Computation and Language · Computer Science 2023-10-03 Lee Kezar , Elana Pontecorvo , Adele Daniels , Connor Baer , Ruth Ferster , Lauren Berger , Jesse Thomason , Zed Sevcikova Sehyr , Naomi Caselli

A good visual representation is an inference map from observations (images) to features (vectors) that faithfully reflects the hidden modularized generative factors (semantics). In this paper, we formulate the notion of "good"…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Tan Wang , Zhongqi Yue , Jianqiang Huang , Qianru Sun , Hanwang Zhang

Semantic information has been proved effective in scene text recognition. Most existing methods tend to couple both visual and semantic information in an attention-based decoder. As a result, the learning of semantic features is prone to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Changxu Cheng , Bohan Li , Qi Zheng , Yongpan Wang , Wenyu Liu

Cross-lingual self-supervised learning has been a growing research topic in the last few years. However, current works only explored the use of audio signals to create representations. In this work, we study cross-lingual self-supervised…

Computation and Language · Computer Science 2023-03-17 Andreas Zinonos , Alexandros Haliassos , Pingchuan Ma , Stavros Petridis , Maja Pantic

Sign language recognition is a challenging and often underestimated problem comprising multi-modal articulators (handshape, orientation, movement, upper body and face) that integrate asynchronously on multiple streams. Learning powerful…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Hamid Reza Vaezi Joze , Oscar Koller

Recent years have witnessed a significant increase in the performance of Vision and Language tasks. Foundational Vision-Language Models (VLMs), such as CLIP, have been leveraged in multiple settings and demonstrated remarkable performance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Santiago Castro , Amir Ziai , Avneesh Saluja , Zhuoning Yuan , Rada Mihalcea

Vision-language representation learning largely benefits from image-text alignment through contrastive losses (e.g., InfoNCE loss). The success of this alignment strategy is attributed to its capability in maximizing the mutual information…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Jinyu Yang , Jiali Duan , Son Tran , Yi Xu , Sampath Chanda , Liqun Chen , Belinda Zeng , Trishul Chilimbi , Junzhou Huang

Systems that can efficiently search collections of sign language videos have been highlighted as a useful application of sign language technology. However, the problem of searching videos beyond individual keywords has received limited…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Amanda Duarte , Samuel Albanie , Xavier Giró-i-Nieto , Gül Varol

Image clustering is an important and open-challenging task in computer vision. Although many methods have been proposed to solve the image clustering task, they only explore images and uncover clusters according to the image features, thus…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Shaotian Cai , Liping Qiu , Xiaojun Chen , Qin Zhang , Longteng Chen

Languages usually switch within a multilingual speech signal, especially in a bilingual society. This phenomenon is referred to as code-switching (CS), making automatic speech recognition (ASR) challenging under a multilingual scenario. We…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-02 Hexin Liu , Leibny Paola Garcia , Xiangyu Zhang , Andy W. H. Khong , Sanjeev Khudanpur

As a critical clue of video super-resolution (VSR), inter-frame alignment significantly impacts overall performance. However, accurate pixel-level alignment is a challenging task due to the intricate motion interweaving in the video. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Qi Tang , Yao Zhao , Meiqin Liu , Jian Jin , Chao Yao

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…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Yunze Liu , Changxi Chen , Zifan Wang , Li Yi

Sign language recognition from sequences of monocular images or 2D poses is a challenging field, not only due to the difficulty to infer 3D information from 2D data, but also due to the temporal relationship between the sequences of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Silvan Ferreira , Esdras Costa , Márcio Dahia , Jampierre Rocha

Lip Reading, or Visual Automatic Speech Recognition (V-ASR), is a complex task requiring the interpretation of spoken language exclusively from visual cues, primarily lip movements and facial expressions. This task is especially challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Marshall Thomas , Edward Fish , Richard Bowden

With recent progress in joint modeling of visual and textual representations, Vision-Language Pretraining (VLP) has achieved impressive performance on many multimodal downstream tasks. However, the requirement for expensive annotations…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Zirui Wang , Jiahui Yu , Adams Wei Yu , Zihang Dai , Yulia Tsvetkov , Yuan Cao

Cross view action recognition (CVAR) seeks to recognize a human action when observed from a previously unseen viewpoint. This is a challenging problem since the appearance of an action changes significantly with the viewpoint. Applications…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Yuexi Zhang , Dan Luo , Balaji Sundareshan , Octavia Camps , Mario Sznaier

Federated learning (FL) has emerged as a promising paradigm for privacy-preserving multi-camera video understanding. However, applying FL to cross-view scenarios faces three major challenges: (i) heterogeneous viewpoints and backgrounds…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Shenghan Zhang , Run Ling , Ke Cao , Ao Ma , Zhanjie Zhang

Accurate sign language understanding serves as a crucial communication channel for individuals with disabilities. Current sign language translation algorithms predominantly rely on RGB frames, which may be limited by fixed frame rates,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xiao Wang , Yuehang Li , Fuling Wang , Bo Jiang , Yaowei Wang , Yonghong Tian , Jin Tang , Bin Luo

In-context learning (ICL) facilitates Large Language Models (LLMs) exhibiting emergent ability on downstream tasks without updating billions of parameters. However, in the area of multi-modal Large Language Models (MLLMs), two problems…

Multimedia · Computer Science 2024-07-02 Jun Gao , Qian Qiao , Ziqiang Cao , Zili Wang , Wenjie Li