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Unsupervised Domain Adaptation (UDA) seeks to transfer knowledge from a labeled source domain to an unlabeled target domain but often suffers from severe domain and scale gaps that degrade performance. Existing cross-attention-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Zelin Zang , Yehui Yang , Fei Wang , Liangyu Li , Baigui Sun

We address voice activity detection in acoustic environments of transients and stationary noises, which often occur in real life scenarios. We exploit unique spatial patterns of speech and non-speech audio frames by independently learning…

Sound · Computer Science 2021-06-28 Amir Ivry , Baruch Berdugo , Israel Cohen

Emotion and expressivity in music have been topics of considerable interest in the field of music information retrieval. In recent years, mid-level perceptual features have been suggested as means to explain computational predictions of…

Sound · Computer Science 2021-03-01 Shreyan Chowdhury , Gerhard Widmer

Recent works on domain adaptation exploit adversarial training to obtain domain-invariant feature representations from the joint learning of feature extractor and domain discriminator networks. However, domain adversarial methods render…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Seungmin Lee , Dongwan Kim , Namil Kim , Seong-Gyun Jeong

Human action recognition is a challenging problem, particularly when there is high variability in factors such as subject appearance, backgrounds and viewpoint. While deep neural networks (DNNs) have been shown to perform well on action…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Arun V. Reddy , Ketul Shah , William Paul , Rohita Mocharla , Judy Hoffman , Kapil D. Katyal , Dinesh Manocha , Celso M. de Melo , Rama Chellappa

Most of the prior studies in the spatial \ac{DoA} domain focus on a single modality. However, humans use auditory and visual senses to detect the presence of sound sources. With this motivation, we propose to use neural networks with audio…

Sound · Computer Science 2021-05-14 Xinyuan Qian , Maulik Madhavi , Zexu Pan , Jiadong Wang , Haizhou Li

A commercial robot, trained by its manufacturer to recognize a predefined number and type of objects, might be used in many settings, that will in general differ in their illumination conditions, background, type and degree of clutter, and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Gabriele Angeletti , Barbara Caputo , Tatiana Tommasi

We introduce a new representation learning algorithm suited to the context of domain adaptation, in which data at training and test time come from similar but different distributions. Our algorithm is directly inspired by theory on domain…

Machine Learning · Statistics 2015-02-10 Hana Ajakan , Pascal Germain , Hugo Larochelle , François Laviolette , Mario Marchand

We propose Domain-Conditioned Meta-Contrastive Learning, a framework for improving the cross-domain generalization of vision-language models. While contrastive models such as CLIP achieve strong performance through large-scale training,…

Optimization and Control · Mathematics 2026-03-31 Merham Fouladvand , Peuroly Batra

Voice Activity Detection (VAD) is the process of automatically determining whether a person is speaking and identifying the timing of their speech in an audiovisual data. Traditionally, this task has been tackled by processing either audio…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Andrea Appiani , Cigdem Beyan

Audio-visual speech recognition (AVSR) aims to transcribe human speech using both audio and video modalities. In practical environments with noise-corrupted audio, the role of video information becomes crucial. However, prior works have…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-15 Sungnyun Kim , Kangwook Jang , Sangmin Bae , Hoirin Kim , Se-Young Yun

Action recognition and anticipation are key to the success of many computer vision applications. Existing methods can roughly be grouped into those that extract global, context-aware representations of the entire image or sequence, and…

Computer Vision and Pattern Recognition · Computer Science 2016-11-21 Mohammad Sadegh Aliakbarian , Fatemehsadat Saleh , Basura Fernando , Mathieu Salzmann , Lars Petersson , Lars Andersson

Images seen during test time are often not from the same distribution as images used for learning. This problem, known as domain shift, occurs when training classifiers from object-centric internet image databases and trying to apply them…

Computer Vision and Pattern Recognition · Computer Science 2013-08-21 Erik Rodner , Judy Hoffman , Jeff Donahue , Trevor Darrell , Kate Saenko

Optimizing the performance of classifiers on samples from unseen domains remains a challenging problem. While most existing studies on domain generalization focus on learning domain-invariant feature representations, multi-expert frameworks…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Cuicui Kang , Karthik Nandakumar

Existing deep learning-based change detection methods try to elaborately design complicated neural networks with powerful feature representations, but ignore the universal domain shift induced by time-varying land cover changes, including…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Jia Liu , Wenjie Xuan , Yuhang Gan , Juhua Liu , Bo Du

We propose a domain adaptation method, MoDA, which adapts a pretrained embodied agent to a new, noisy environment without ground-truth supervision. Map-based memory provides important contextual information for visual navigation, and…

Robotics · Computer Science 2022-11-30 Eun Sun Lee , Junho Kim , SangWon Park , Young Min Kim

Recent advances in diffusion-based text-to-video models, particularly those built on the diffusion transformer architecture, have achieved remarkable progress in generating high-quality and temporally coherent videos. However, transferring…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zhexin Zhang , Yangyang Xu , Yifeng Zhu , Long Chen , Yong Du , Shengfeng He , Jun Yu

Recent advances in interactive technologies have highlighted the prominence of audio signals for semantic encoding. This paper explores a new task, where audio signals are used as conditioning inputs to generate motions that align with the…

Sound · Computer Science 2025-05-30 Zi-An Wang , Shihao Zou , Shiyao Yu , Mingyuan Zhang , Chao Dong

This paper presents a self-supervised method for visual detection of the active speaker in a multi-person spoken interaction scenario. Active speaker detection is a fundamental prerequisite for any artificial cognitive system attempting to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Kalin Stefanov , Jonas Beskow , Giampiero Salvi

Although action recognition systems can achieve top performance when evaluated on in-distribution test points, they are vulnerable to unanticipated distribution shifts in test data. However, test-time adaptation of video action recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Wei Lin , Muhammad Jehanzeb Mirza , Mateusz Kozinski , Horst Possegger , Hilde Kuehne , Horst Bischof