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We propose noise-robust voice conversion (VC) which takes into account the recording quality and environment of noisy source speech. Conventional denoising training improves the noise robustness of a VC model by learning noisy-to-clean VC…

Supervised learning can be viewed as distilling relevant information from input data into feature representations. This process becomes difficult when supervision is noisy as the distilled information might not be relevant. In fact, recent…

Machine Learning · Computer Science 2022-06-28 Yingyi Chen , Shell Xu Hu , Xi Shen , Chunrong Ai , Johan A. K. Suykens

Learning based video compression attracts increasing attention in the past few years. The previous hybrid coding approaches rely on pixel space operations to reduce spatial and temporal redundancy, which may suffer from inaccurate motion…

Image and Video Processing · Electrical Eng. & Systems 2021-08-24 Zhihao Hu , Guo Lu , Dong Xu

In this paper, we present a novel adversarial lossy video compression model. At extremely low bit-rates, standard video coding schemes suffer from unpleasant reconstruction artifacts such as blocking, ringing etc. Existing learned neural…

Image and Video Processing · Electrical Eng. & Systems 2021-06-22 Vijay Veerabadran , Reza Pourreza , Amirhossein Habibian , Taco Cohen

In this paper, we introduce a novel unsupervised video denoising deep learning approach that can help to mitigate data scarcity issues and shows robustness against different noise patterns, enhancing its broad applicability. Our method…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Mary Damilola Aiyetigbo , Dineshchandar Ravichandran , Reda Chalhoub , Peter Kalivas , Nianyi Li

Neural speech codecs have revolutionized speech coding, achieving higher compression while preserving audio fidelity. Beyond compression, they have emerged as tokenization strategies, enabling language modeling on speech and driving…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-02 Wei-Cheng Tseng , David Harwath

Detecting critical transitions in complex, noisy time-series data is a fundamental challenge across science and engineering. Such transitions may be anticipated by the emergence of a low-dimensional order parameter, whose signature is often…

Machine Learning · Computer Science 2025-12-16 Wenqi Fang , Ye Li

Lossy image compression is generally formulated as a joint rate-distortion optimization to learn encoder, quantizer, and decoder. However, the quantizer is non-differentiable, and discrete entropy estimation usually is required for rate…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Mu Li , Wangmeng Zuo , Shuhang Gu , Debin Zhao , David Zhang

Recent deep learning-based image denoising methods have shown impressive performance; however, many lack the flexibility to adjust the denoising strength based on the noise levels, camera settings, and user preferences. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Youngjin Oh , Junhyeong Kwon , Keuntek Lee , Nam Ik Cho

In low-visibility marine environments characterized by turbidity and darkness, acoustic cameras serve as visual sensors capable of generating high-resolution 2D sonar images. However, acoustic camera images are interfered with by complex…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Xiaoteng Zhou , Katsunori Mizuno , Yilong Zhang

This paper considers the joint compression and enhancement problem for speech signal in the presence of noise. Recently, the SoundStream codec, which relies on end-to-end joint training of an encoder-decoder pair and a residual vector…

Sound · Computer Science 2025-09-03 Jiayi Huang , Zeyu Yan , Wenbin Jiang , He Wang , Fei Wen

MoCo is effective for unsupervised image representation learning. In this paper, we propose VideoMoCo for unsupervised video representation learning. Given a video sequence as an input sample, we improve the temporal feature representations…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Tian Pan , Yibing Song , Tianyu Yang , Wenhao Jiang , Wei Liu

This paper explores the application of enhancement filtering techniques in neural video compression. Specifically, we categorize these techniques into in-loop contextual filtering and out-of-loop reconstruction enhancement based on whether…

Image and Video Processing · Electrical Eng. & Systems 2025-09-05 Yaojun Wu , Chaoyi Lin , Yiming Wang , Semih Esenlik , Zhaobin Zhang , Kai Zhang , Li Zhang

Digital media is ubiquitous and produced in ever-growing quantities. This necessitates a constant evolution of compression techniques, especially for video, in order to maintain efficient storage and transmission. In this work, we aim at…

Image and Video Processing · Electrical Eng. & Systems 2020-04-29 Jan P. Klopp , Liang-Gee Chen , Shao-Yi Chien

As a very common type of video, face videos often appear in movies, talk shows, live broadcasts, and other scenes. Real-world online videos are often plagued by degradations such as blurring and quantization noise, due to the high…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Yutong Wang , Jiajie Teng , Jiajiong Cao , Yuming Li , Chenguang Ma , Hongteng Xu , Dixin Luo

This paper studies audio-visual noise suppression for egocentric videos -- where the speaker is not captured in the video. Instead, potential noise sources are visible on screen with the camera emulating the off-screen speaker's view of the…

Sound · Computer Science 2023-05-04 Roshan Sharma , Weipeng He , Ju Lin , Egor Lakomkin , Yang Liu , Kaustubh Kalgaonkar

Neural video compression (NVC) is a rapidly evolving video coding research area, with some models achieving superior coding efficiency compared to the latest video coding standard Versatile Video Coding (VVC). In conventional video coding…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yeongwoong Kim , Suyong Bahk , Seungeon Kim , Won Hee Lee , Dokwan Oh , Hui Yong Kim

Existing denoising methods typically restore clear results by aggregating pixels from the noisy input. Instead of relying on hand-crafted aggregation schemes, we propose to explicitly learn this process with deep neural networks. We present…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Xiangyu Xu , Muchen Li , Wenxiu Sun , Ming-Hsuan Yang

Neural materials typically consist of a collection of neural features along with a decoder network. The main challenge in integrating such models in real-time rendering pipelines lies in the large size required to store their features in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Clément Weinreich , Louis de Oliveira , Antoine Houdard , Georges Nader

Attention is a powerful concept in computer vision. End-to-end networks that learn to focus selectively on regions of an image or video often perform strongly. However, other image regions, while not necessarily containing the signal of…

Image and Video Processing · Electrical Eng. & Systems 2020-10-16 Ewa Nowara , Daniel McDuff , Ashok Veeraraghavan