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The advancement of imaging devices and countless image data generated everyday impose an increasingly high demand on efficient and effective image denoising. In this paper, we present a computationally simple denoising algorithm, termed…

Image and Video Processing · Electrical Eng. & Systems 2025-08-15 Zhaoming Kong , Jiahuan Zhang , Xiaowei Yang

Dimension reduction techniques for multivariate time series decompose the observed series into a few useful independent/orthogonal univariate components. We develop a spectral domain method for multivariate second-order stationary time…

Methodology · Statistics 2020-10-12 Raanju R. Sundararajan

State-of-the-art (SOTA) compressed video super-resolution (CVSR) models face persistent challenges, including prolonged inference time, complex training pipelines, and reliance on auxiliary information. As video frame rates continue to…

Image and Video Processing · Electrical Eng. & Systems 2025-06-16 Zhaoyang Wang , Jie Li , Wen Lu , Lihuo He , Maoguo Gong , Xinbo Gao

This work introduces Structured 3D-SVD as a practical framework for the reconstruction, compression, and analysis of biological volumetric data. Inspired by the logic of matrix singular value decomposition (SVD), the proposed approach…

Image and Video Processing · Electrical Eng. & Systems 2026-04-21 Mario Aragonés Lozano , Oscar Romero , Antonio León

Self-supervised learning has demonstrated impressive performance in speech tasks, yet there remains ample opportunity for advancement in the realm of speech enhancement research. In addressing speech tasks, confining the attention mechanism…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-14 Tao Zheng , Liejun Wang , Yinfeng Yu

Spatial audio signal enhancement aims to reduce interfering source contributions while preserving the desired sound field with its spatial cues. Existing methods generally rely on impractical assumptions (e.g. accurate estimations of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-03 Huawei Zhang , Jihui Zhang , Huiyuan Sun , Prasanga Samarasinghe

Deep learning approaches achieve prominent success in 3D semantic segmentation. However, collecting densely annotated real-world 3D datasets is extremely time-consuming and expensive. Training models on synthetic data and generalizing on…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Runyu Ding , Jihan Yang , Li Jiang , Xiaojuan Qi

Parametric sound field synthesis methods, such as the Spatial Decomposition Method (SDM) and Higher-Order Spatial Impulse Response Rendering (HO-SIRR), are widely used for the analysis and auralization of sound fields. This paper studies…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-04 Alan Pawlak , Hyunkook Lee , Aki Mäkivirta , Thomas Lund

Directional Audio Coding (DirAC) is a proven method for parametrically representing a 3D audio scene in B-format and is capable of reproducing it on arbitrary loudspeaker layouts. Although such a method seems well suited for low bitrate…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-01 Guillaume Fuchs , Florin Ghido , Dominik Weckbecker , Oliver Thiergart

Learning from audio-visual data offers many possibilities to express correspondence between the audio and visual content, similar to the human perception that relates aural and visual information. In this work, we present a method for…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-23 Shanshan Wang , Archontis Politis , Annamaria Mesaros , Tuomas Virtanen

In recent years, neural network-based image compression techniques have been able to outperform traditional codecs and have opened the gates for the development of learning-based video codecs. However, to take advantage of the high temporal…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Aishwarya Jadhav

The rapid development of Vision Foundation Model (VFM) brings inherent out-domain generalization for a variety of down-stream tasks. Among them, domain generalized semantic segmentation (DGSS) holds unique challenges as the cross-domain…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Jingjun Yi , Qi Bi , Hao Zheng , Haolan Zhan , Wei Ji , Yawen Huang , Yuexiang Li , Yefeng Zheng

Neural audio/speech coding has recently demonstrated its capability to deliver high quality at much lower bitrates than traditional methods. However, existing neural audio/speech codecs employ either acoustic features or learned blind…

Sound · Computer Science 2025-10-16 Xue Jiang , Xiulian Peng , Huaying Xue , Yuan Zhang , Yan Lu

Variational autoencoders (VAEs) have witnessed great success in performing the compression of image datasets. This success, made possible by the bits-back coding framework, has produced competitive compression performance across many…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Tom Ryder , Chen Zhang , Ning Kang , Shifeng Zhang

Voice conversion has made great progress in the past few years under the studio-quality test scenario in terms of speech quality and speaker similarity. However, in real applications, test speech from source speaker or target speaker can be…

Sound · Computer Science 2022-01-27 Hongqiang Du , Lei Xie , Haizhou Li

In this paper, we introduce DCDepth, a novel framework for the long-standing monocular depth estimation task. Moving beyond conventional pixel-wise depth estimation in the spatial domain, our approach estimates the frequency coefficients of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Kun Wang , Zhiqiang Yan , Junkai Fan , Wanlu Zhu , Xiang Li , Jun Li , Jian Yang

This chapter describes gene expression analysis by Singular Value Decomposition (SVD), emphasizing initial characterization of the data. We describe SVD methods for visualization of gene expression data, representation of the data using a…

Biological Physics · Physics 2007-05-23 Michael E. Wall , Andreas Rechtsteiner , Luis M. Rocha

Sparsity in the eigenvectors of signal covariance matrices is exploited in this paper for compression and denoising. Dimensionality reduction (DR) and quantization modules present in many practical compression schemes such as transform…

Applications · Statistics 2015-06-03 Ioannis D. Schizas , Georgios B. Giannakis

Speech quality and intelligibility are significantly degraded in noisy environments. This paper presents a novel transformer-based learning framework to address the single-channel noise suppression problem for real-time applications.…

Sound · Computer Science 2025-11-18 Behnaz Bahmei , Siamak Arzanpour , Elina Birmingham

Neural audio codecs have recently gained popularity because they can represent audio signals with high fidelity at very low bitrates, making it feasible to use language modeling approaches for audio generation and understanding. Residual…

Sound · Computer Science 2024-10-21 Hubert Siuzdak , Florian Grötschla , Luca A. Lanzendörfer
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