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Understanding egocentric videos plays a vital role for embodied intelligence. Recent multi-modal large language models (MLLMs) can accept both visual and audio inputs. However, due to the challenge of obtaining text labels with coherent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Ashish Seth , Xinhao Mei , Changsheng Zhao , Varun Nagaraja , Ernie Chang , Gregory P. Meyer , Gael Le Lan , Yunyang Xiong , Vikas Chandra , Yangyang Shi , Dinesh Manocha , Zhipeng Cai

The challenges in applying contrastive learning to speaker verification (SV) are that the softmax-based contrastive loss lacks discriminative power and that the hard negative pairs can easily influence learning. To overcome the first…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Zhe Li , Man-Wai Mak , Helen Mei-Ling Meng

Most current audio-visual emotion recognition models lack the flexibility needed for deployment in practical applications. We envision a multimodal system that works even when only one modality is available and can be implemented…

Machine Learning · Computer Science 2026-01-13 Lucas Goncalves , Seong-Gyun Leem , Wei-Cheng Lin , Berrak Sisman , Carlos Busso

Composed Video Retrieval (CoVR) aims to retrieve a target video from a large gallery using a reference video and a textual query specifying visual modifications. However, existing benchmarks consider only visual changes, ignoring videos…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Gyuwon Han , Young Kyun Jang , Chanho Eom

Stereo matching is a fundamental building block for many vision and robotics applications. An informative and concise cost volume representation is vital for stereo matching of high accuracy and efficiency. In this paper, we present a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Gangwei Xu , Yun Wang , Junda Cheng , Jinhui Tang , Xin Yang

Relating speech to EEG holds considerable importance but is challenging. In this study, a deep convolutional network was employed to extract spatiotemporal features from EEG data. Self-supervised speech representation and contextual text…

Signal Processing · Electrical Eng. & Systems 2024-02-02 Bo Wang , Xiran Xu , Zechen Zhang , Haolin Zhu , YuJie Yan , Xihong Wu , Jing Chen

Recently, many efforts have been made to explore how the brain processes speech using electroencephalographic (EEG) signals, where deep learning-based approaches were shown to be applicable in this field. In order to decode speech signals…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-24 Qiushi Zhu , Xiaoying Zhao , Jie Zhang , Yu Gu , Chao Weng , Yuchen Hu

Query-by-Vocal Imitation (QBV) is about searching audio files within databases using vocal imitations created by the user's voice. Since most humans can effectively communicate sound concepts through voice, QBV offers the more intuitive and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-22 Jonathan Greif , Florian Schmid , Paul Primus , Gerhard Widmer

Audio-visual representation learning aims to develop systems with human-like perception by utilizing correlation between auditory and visual information. However, current models often focus on a limited set of tasks, and generalization…

Contrastive self-supervised learning has attracted significant research attention recently. It learns effective visual representations from unlabeled data by embedding augmented views of the same image close to each other while pushing away…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Yichen Zhang , Yifang Yin , Ying Zhang , Roger Zimmermann

With the rapid growth in deepfake video content, we require improved and generalizable methods to detect them. Most existing detection methods either use uni-modal cues or rely on supervised training to capture the dissonance between the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Trevine Oorloff , Surya Koppisetti , Nicolò Bonettini , Divyaraj Solanki , Ben Colman , Yaser Yacoob , Ali Shahriyari , Gaurav Bharaj

Many leading self-supervised methods for unsupervised representation learning, in particular those for embedding image features, are built on variants of the instance discrimination task, whose optimization is known to be prone to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Daniel Shalam , Simon Korman

Due to the advantages of leveraging unlabeled data and learning meaningful representations, semi-supervised learning and contrastive learning have been progressively combined to achieve better performances in popular applications with few…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Bowen Tao , Lan Li , Xin-Chun Li , De-Chuan Zhan

Most successful self-supervised learning methods are trained to align the representations of two independent views from the data. State-of-the-art methods in video are inspired by image techniques, where these two views are similarly…

Speech recognition and translation systems perform poorly on noisy inputs, which are frequent in realistic environments. Augmenting these systems with visual signals has the potential to improve robustness to noise. However, audio-visual…

Sound · Computer Science 2024-08-13 HyoJung Han , Mohamed Anwar , Juan Pino , Wei-Ning Hsu , Marine Carpuat , Bowen Shi , Changhan Wang

Multi-view representation learning has developed rapidly over the past decades and has been applied in many fields. However, most previous works assumed that each view is complete and aligned. This leads to an inevitable deterioration in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Yiming Wang , Dongxia Chang , Zhiqiang Fu , Jie Wen , Yao Zhao

Recent advancements in Vision-Language (VL) models have sparked interest in their deployment on edge devices, yet challenges in handling diverse visual modalities, manual annotation, and computational constraints remain. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Kaiwen Cai , Zhekai Duan , Gaowen Liu , Charles Fleming , Chris Xiaoxuan Lu

This paper systematically investigates the effectiveness of various augmentations for contrastive self-supervised learning of electrocardiogram (ECG) signals and identifies the best parameters. The baseline of our proposed self-supervised…

Signal Processing · Electrical Eng. & Systems 2022-06-16 Sahar Soltanieh , Ali Etemad , Javad Hashemi

The major challenge in audio-visual event localization task lies in how to fuse information from multiple modalities effectively. Recent works have shown that attention mechanism is beneficial to the fusion process. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Bin Duan , Hao Tang , Wei Wang , Ziliang Zong , Guowei Yang , Yan Yan

This paper proposes a new strategy for learning powerful cross-modal embeddings for audio-to-video synchronization. Here, we set up the problem as one of cross-modal retrieval, where the objective is to find the most relevant audio segment…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Soo-Whan Chung , Joon Son Chung , Hong-Goo Kang
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