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Computer vision tasks such as object detection and segmentation rely on the availability of extensive, accurately annotated datasets. In this work, We present CIA, a modular pipeline, for (1) generating synthetic images for dataset…

The diffusion-based Singing Voice Conversion (SVC) methods have achieved remarkable performances, producing natural audios with high similarity to the target timbre. However, the iterative sampling process results in slow inference speed,…

音频与语音处理 · 电气工程与系统科学 2024-01-04 Yiwen Lu , Zhen Ye , Wei Xue , Xu Tan , Qifeng Liu , Yike Guo

Recent works on deep non-linear spatially selective filters demonstrate exceptional enhancement performance with computationally lightweight architectures for stationary speakers of known directions. However, to maintain this performance in…

音频与语音处理 · 电气工程与系统科学 2025-07-08 Jakob Kienegger , Alina Mannanova , Huajian Fang , Timo Gerkmann

Diffusion-based super-resolution (SR) models have recently garnered significant attention due to their potent restoration capabilities. But conventional diffusion models perform noise sampling from a single distribution, constraining their…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Chengcheng Wang , Zhiwei Hao , Yehui Tang , Jianyuan Guo , Yujie Yang , Kai Han , Yunhe Wang

Three-dimensional microscopy is often limited by anisotropic spatial resolution, resulting in lower axial resolution than lateral resolution. Current State-of-The-Art (SoTA) isotropic reconstruction methods utilizing deep neural networks…

图像与视频处理 · 电气工程与系统科学 2023-06-22 Mingjie Pan , Yulu Gan , Fangxu Zhou , Jiaming Liu , Aimin Wang , Shanghang Zhang , Dawei Li

We propose a spatio-spectral, combined model-based and data-driven diarization pipeline consisting of TDOA-based segmentation followed by embedding-based clustering. The proposed system requires neither access to multi-channel training data…

音频与语音处理 · 电气工程与系统科学 2025-09-01 Tobias Cord-Landwehr , Tobias Gburrek , Marc Deegen , Reinhold Haeb-Umbach

In this paper, we address the problem of single-microphone speech separation in the presence of ambient noise. We propose a generative unsupervised technique that directly models both clean speech and structured noise components, training…

音频与语音处理 · 电气工程与系统科学 2025-09-19 Yochai Yemini , Rami Ben-Ari , Sharon Gannot , Ethan Fetaya

Optoacoustic tomography image reconstruction has been a problem of interest in recent years. By exploiting the exceptional generative power of the recently proposed diffusion models we consider a scheme which is based on a conditional…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Martin G. Gonzalez , Matias Vera , Leonardo Rey Vega

Diffusion models have recently shown promising results for video super-resolution (VSR). However, directly adapting generative diffusion models to VSR can result in redundancy, since low-quality videos already preserve substantial content…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Jinpei Guo , Yifei Ji , Shengwei Wang , Zheng Chen , Yufei Wang , Sizhuo Ma , Yong Guo , Baiang Li , Jusheng Zhang , Yulun Zhang , Jian Wang

We propose a novel mixture of experts framework for field-of-view enhancement in binaural signal matching. Our approach enables dynamic spatial audio rendering that adapts to continuous talker motion, allowing users to emphasize or suppress…

Deep audio representation learning using multi-modal audio-visual data often leads to a better performance compared to uni-modal approaches. However, in real-world scenarios both modalities are not always available at the time of inference,…

声音 · 计算机科学 2023-02-07 Amirhossein Hajavi , Ali Etemad

Recently, researchers have proposed various deep learning methods to accurately detect infrared targets with the characteristics of indistinct shape and texture. Due to the limited variety of infrared datasets, training deep learning models…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Yukai Shi , Yupei Lin , Pengxu Wei , Xiaoyu Xian , Tianshui Chen , Liang Lin

Generative models such as Variational Autoencoders (VAEs) and Generative Adversarial Networks (GANs) have shown promise in sequential recommendation tasks. However, they face challenges, including posterior collapse and limited…

机器学习 · 计算机科学 2024-10-28 Sharare Zolghadr , Ole Winther , Paul Jeha

Acoustic echo and background noise pose challenges on speech enhancement in hands-free systems and speakerphones. Discriminatively trained end-to-end methods represent a powerful solution for joint acoustic echo control (AEC) and denoising.…

音频与语音处理 · 电气工程与系统科学 2026-05-12 Haljan Lugo Girao , Ernst Seidel , Pejman Mowlaee , Ziyue Zhao , Tim Fingscheidt

This paper proposes a new unsupervised audio-visual speech enhancement (AVSE) approach that combines a diffusion-based audio-visual speech generative model with a non-negative matrix factorization (NMF) noise model. First, the diffusion…

声音 · 计算机科学 2025-01-16 Jean-Eudes Ayilo , Mostafa Sadeghi , Romain Serizel , Xavier Alameda-Pineda

Diffusion models have emerged as powerful learned priors for solving inverse problems. However, current iterative solving approaches which alternate between diffusion sampling and data consistency steps typically require hundreds or…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Minwoo Kim , Hongki Lim

LiDAR-based semantic segmentation is a key component for autonomous mobile robots, yet large-scale annotation of LiDAR point clouds is prohibitively expensive and time-consuming. Although simulators can provide labeled synthetic data,…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Tomoya Miyawaki , Kazuto Nakashima , Yumi Iwashita , Ryo Kurazume

We propose a diarization system, that estimates "who spoke when" based on spatial information, to be used as a front-end of a meeting transcription system running on the signals gathered from an acoustic sensor network (ASN). Although the…

音频与语音处理 · 电气工程与系统科学 2023-11-28 Tobias Gburrek , Joerg Schmalenstroeer , Reinhold Haeb-Umbach

Spatial time series imputation is critically important to many real applications such as intelligent transportation and air quality monitoring. Although recent transformer and diffusion model based approaches have achieved significant…

机器学习 · 计算机科学 2023-09-06 Shunyang Zhang , Senzhang Wang , Xianzhen Tan , Ruochen Liu , Jian Zhang , Jianxin Wang

Efficient processing of high-res video streams is safety-critical for many robotics applications such as autonomous driving. To maintain real-time performance, many practical systems downsample the video stream. But this can hurt downstream…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Chittesh Thavamani , Mengtian Li , Nicolas Cebron , Deva Ramanan