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Active speaker detection and speech enhancement have become two increasingly attractive topics in audio-visual scenario understanding. According to their respective characteristics, the scheme of independently designed architecture has been…

Sound · Computer Science 2022-07-08 Junwen Xiong , Yu Zhou , Peng Zhang , Lei Xie , Wei Huang , Yufei Zha

We propose a self-supervised approach for learning representations of objects from monocular videos and demonstrate it is particularly useful in situated settings such as robotics. The main contributions of this paper are: 1) a…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Sören Pirk , Mohi Khansari , Yunfei Bai , Corey Lynch , Pierre Sermanet

The existing contrastive learning methods widely adopt one-hot instance discrimination as pretext task for self-supervised learning, which inevitably neglects rich inter-instance similarities among natural images, then leading to potential…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Chengchao Shen , Dawei Liu , Hao Tang , Zhe Qu , Jianxin Wang

Contrastive language-image pre-training (CLIP) has demonstrated remarkable zero-shot classification ability, namely image classification using novel text labels. Existing works have attempted to enhance CLIP by fine-tuning on downstream…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Seongha Eom , Namgyu Ho , Jaehoon Oh , Se-Young Yun

The intuitive interaction between the audio and visual modalities is valuable for cross-modal self-supervised learning. This concept has been demonstrated for generic audiovisual tasks like video action recognition and acoustic scene…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-14 Abhinav Shukla , Stavros Petridis , Maja Pantic

Human Activity Recognition is a field of research where input data can take many forms. Each of the possible input modalities describes human behaviour in a different way, and each has its own strengths and weaknesses. We explore the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Razvan Brinzea , Bulat Khaertdinov , Stylianos Asteriadis

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

Sound · Computer Science 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

We present MaCLR, a novel method to explicitly perform cross-modal self-supervised video representations learning from visual and motion modalities. Compared to previous video representation learning methods that mostly focus on learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Fanyi Xiao , Joseph Tighe , Davide Modolo

Self-supervised audio-visual source localization aims to locate sound-source objects in video frames without extra annotations. Recent methods often approach this goal with the help of contrastive learning, which assumes only the audio and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Weixuan Sun , Jiayi Zhang , Jianyuan Wang , Zheyuan Liu , Yiran Zhong , Tianpeng Feng , Yandong Guo , Yanhao Zhang , Nick Barnes

A fitting soundtrack can help a video better convey its content and provide a better immersive experience. This paper introduces a novel approach utilizing self-supervised learning and contrastive learning to automatically recommend audio…

Multimedia · Computer Science 2025-03-10 Shimiao Liu , Alexander Lerch

Distracted driving is one of the major reasons for vehicle accidents. Therefore, detecting distracted driving behaviors is of paramount importance to reduce the millions of deaths and injuries occurring worldwide. Distracted or anomalous…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Shehroz S. Khan , Ziting Shen , Haoying Sun , Ax Patel , Ali Abedi

We present Masked Audio-Video Learners (MAViL) to train audio-visual representations. Our approach learns with three complementary forms of self-supervision: (1) reconstruction of masked audio and video input data, (2) intra- and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Po-Yao Huang , Vasu Sharma , Hu Xu , Chaitanya Ryali , Haoqi Fan , Yanghao Li , Shang-Wen Li , Gargi Ghosh , Jitendra Malik , Christoph Feichtenhofer

Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

Machine Learning · Computer Science 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

We address the problem of visible-infrared person re-identification (VI-reID), that is, retrieving a set of person images, captured by visible or infrared cameras, in a cross-modal setting. Two main challenges in VI-reID are intra-class…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Hyunjong Park , Sanghoon Lee , Junghyup Lee , Bumsub Ham

Contrastive learning has become pivotal in unsupervised representation learning, with frameworks like Momentum Contrast (MoCo) effectively utilizing large negative sample sets to extract discriminative features. However, traditional…

Machine Learning · Computer Science 2025-01-29 Duy Hoang , Huy Ngo , Khoi Pham , Tri Nguyen , Gia Bao , Huy Phan

Multi-modal based speech separation has exhibited a specific advantage on isolating the target character in multi-talker noisy environments. Unfortunately, most of current separation strategies prefer a straightforward fusion based on…

Sound · Computer Science 2022-03-08 Junwen Xiong , Peng Zhang , Lei Xie , Wei Huang , Yufei Zha , Yanning Zhang

One of the many tasks facing the typically-developing child language learner is learning to discriminate between the distinctive sounds that make up words in their native language. Here we investigate whether multimodal…

Computation and Language · Computer Science 2024-07-24 Sophia Zhi , Roger P. Levy , Stephan C. Meylan

Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data and real data, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mingkun Yang , Minghui Liao , Pu Lu , Jing Wang , Shenggao Zhu , Hualin Luo , Qi Tian , Xiang Bai

Modern self-supervised learning algorithms typically enforce persistency of instance representations across views. While being very effective on learning holistic image and video representations, such an objective becomes sub-optimal for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Liangzhe Yuan , Rui Qian , Yin Cui , Boqing Gong , Florian Schroff , Ming-Hsuan Yang , Hartwig Adam , Ting Liu

Self-supervised sound source localization is usually challenged by the modality inconsistency. In recent studies, contrastive learning based strategies have shown promising to establish such a consistent correspondence between audio and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Tianyu Liu , Peng Zhang , Wei Huang , Yufei Zha , Tao You , Yanning Zhang