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Audiovisual representation learning typically relies on the correspondence between sight and sound. However, there are often multiple audio tracks that can correspond with a visual scene. Consider, for example, different conversations on…

Sound · Computer Science 2024-06-11 Nikhil Singh , Chih-Wei Wu , Iroro Orife , Mahdi Kalayeh

We capitalize on large amounts of readily-available, synchronous data to learn a deep discriminative representations shared across three major natural modalities: vision, sound and language. By leveraging over a year of sound from video and…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Yusuf Aytar , Carl Vondrick , Antonio Torralba

Contrastive Learning (CL) has been proved to be a powerful self-supervised approach for a wide range of domains, including computer vision and graph representation learning. However, the incremental learning issue of CL has rarely been…

Machine Learning · Computer Science 2023-01-31 Cheng Ji , Jianxin Li , Hao Peng , Jia Wu , Xingcheng Fu , Qingyun Sun , Phillip S. Yu

Sound source localization aims to localize objects emitting the sound in visual scenes. Recent works obtaining impressive results typically rely on contrastive learning. However, the common practice of randomly sampling negatives in prior…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Zengjie Song , Jiangshe Zhang , Yuxi Wang , Junsong Fan , Zhaoxiang Zhang

In this study, we present a simple multi-channel framework for contrastive learning (MC-SimCLR) to encode 'what' and 'where' of spatial audios. MC-SimCLR learns joint spectral and spatial representations from unlabeled spatial audios,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-29 Xilin Jiang , Cong Han , Yinghao Aaron Li , Nima Mesgarani

Visual and linguistic pre-training aims to learn vision and language representations together, which can be transferred to visual-linguistic downstream tasks. However, there exists semantic confusion between language and vision during the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Shentong Mo , Jingfei Xia , Ihor Markevych

Recently, a noticeable trend has emerged in developing pre-trained foundation models in the domains of CV and NLP. However, for molecular pre-training, there lacks a universal model capable of effectively applying to various categories of…

Biomolecules · Quantitative Biology 2024-05-21 Shikun Feng , Yuyan Ni , Minghao Li , Yanwen Huang , Zhi-Ming Ma , Wei-Ying Ma , Yanyan Lan

In this study, we investigate self-supervised representation learning for speaker verification (SV). First, we examine a simple contrastive learning approach (SimCLR) with a momentum contrastive (MoCo) learning framework, where the MoCo…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-16 Wei Xia , Chunlei Zhang , Chao Weng , Meng Yu , Dong Yu

This paper considers contrastive training for cross-modal 0-shot transfer wherein a pre-trained model in one modality is used for representation learning in another domain using pairwise data. The learnt models in the latter domain can then…

This paper is concerned with contrastive learning (CL) for low-level image restoration and enhancement tasks. We propose a new label-efficient learning paradigm based on residuals, residual contrastive learning (RCL), and derive an…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Nanqing Dong , Matteo Maggioni , Yongxin Yang , Eduardo Pérez-Pellitero , Ales Leonardis , Steven McDonagh

Contrastive language-audio pretraining (CLAP) is widely used for audio generation and recognition tasks. For example, CLAPScore, which utilizes the similarity of CLAP embeddings, has been a major metric for the evaluation of the relevance…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-11 Taisei Takano , Yuki Okamoto , Yusuke Kanamori , Yuki Saito , Ryotaro Nagase , Hiroshi Saruwatari

In this paper, we present a new cross-architecture contrastive learning (CACL) framework for self-supervised video representation learning. CACL consists of a 3D CNN and a video transformer which are used in parallel to generate diverse…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Sheng Guo , Zihua Xiong , Yujie Zhong , Limin Wang , Xiaobo Guo , Bing Han , Weilin Huang

Self-supervised Contrastive Learning (CL) has been recently shown to be very effective in preventing deep networks from overfitting noisy labels. Despite its empirical success, the theoretical understanding of the effect of contrastive…

Machine Learning · Computer Science 2022-07-06 Yihao Xue , Kyle Whitecross , Baharan Mirzasoleiman

Cross entropy loss has served as the main objective function for classification-based tasks. Widely deployed for learning neural network classifiers, it shows both effectiveness and a probabilistic interpretation. Recently, after the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Rahaf Aljundi , Yash Patel , Milan Sulc , Daniel Olmeda , Nikolay Chumerin

Few-shot learning has emerged as a powerful paradigm for training models with limited labeled data, addressing challenges in scenarios where large-scale annotation is impractical. While extensive research has been conducted in the image…

When watching videos, the occurrence of a visual event is often accompanied by an audio event, e.g., the voice of lip motion, the music of playing instruments. There is an underlying correlation between audio and visual events, which can be…

Multimedia · Computer Science 2020-08-19 Ying Cheng , Ruize Wang , Zhihao Pan , Rui Feng , Yuejie Zhang

This paper presents Contrastive Reconstruction, ConRec - a self-supervised learning algorithm that obtains image representations by jointly optimizing a contrastive and a self-reconstruction loss. We showcase that state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Jonas Dippel , Steffen Vogler , Johannes Höhne

We propose a framework using contrastive learning as a pre-training task to perform image classification in the presence of noisy labels. Recent strategies such as pseudo-labeling, sample selection with Gaussian Mixture models, weighted…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Madalina Ciortan , Romain Dupuis , Thomas Peel

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

Image captioning, a popular topic in computer vision, has achieved substantial progress in recent years. However, the distinctiveness of natural descriptions is often overlooked in previous work. It is closely related to the quality of…

Computer Vision and Pattern Recognition · Computer Science 2017-10-10 Bo Dai , Dahua Lin