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Super-resolution (SR) is an ill-posed inverse problem with a large set of feasible solutions that are consistent with a given low-resolution image. Various deterministic algorithms aim to find a single solution that balances fidelity and…

Image and Video Processing · Electrical Eng. & Systems 2024-02-13 Cansu Korkmaz , Ege Cirakman , A. Murat Tekalp , Zafer Dogan

Audio super-resolution (SR), i.e., upsampling the low-resolution (LR) waveform to the high-resolution (HR) version, has recently been explored with diffusion and bridge models, while previous methods often suffer from sub-optimal upsampling…

Sound · Computer Science 2026-01-01 Chang Li , Zehua Chen , Liyuan Wang , Jun Zhu

Diffusion models have demonstrated promising results in text-to-audio generation tasks. However, their practical usability is hindered by slow sampling speeds, limiting their applicability in high-throughput scenarios. To address this…

Sound · Computer Science 2023-12-27 Bingzhi Liu , Yin Cao , Haohe Liu , Yi Zhou

Referring image segmentation aims to produce a pixel-level mask for the image region described by a natural-language expression. Although pretrained vision-language models have improved semantic grounding, many existing methods still rely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Alaa Dalaq , Muzammil Behzad

The past decade has witnessed great progress in Automatic Speech Recognition (ASR) due to advances in deep learning. The improvements in performance can be attributed to both improved models and large-scale training data. Key to training…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-26 Xiaodong Cui , Wei Zhang , Ulrich Finkler , George Saon , Michael Picheny , David Kung

Despite recent advances, single-image super-resolution (SR) remains challenging, especially in real-world scenarios with complex degradations. Diffusion-based SR methods, particularly those built on Stable Diffusion, leverage strong…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Fabio D'Oronzio , Federico Putamorsi , Leonardo Zini , Marcella Cornia , Lorenzo Baraldi

Modern automatic speech recognition (ASR) systems need to be robust under acoustic variability arising from environmental, speaker, channel, and recording conditions. Ensuring such robustness to variability is a challenge in modern day…

Computation and Language · Computer Science 2016-12-07 Dmitriy Serdyuk , Kartik Audhkhasi , Philémon Brakel , Bhuvana Ramabhadran , Samuel Thomas , Yoshua Bengio

Dialogue systems in open domain have achieved great success due to the easily obtained single-turn corpus and the development of deep learning, but the multi-turn scenario is still a challenge because of the frequent coreference and…

Computation and Language · Computer Science 2020-12-22 Mengzuo Huang , Feng Li , Wuhe Zou , Weidong Zhang

Super-resolution (SR) is an ill-posed inverse problem with many feasible solutions consistent with a given low-resolution image. On one hand, regressive SR models aim to balance fidelity and perceptual quality to yield a single solution,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Cansu Korkmaz , Ahmet Murat Tekalp , Zafer Dogan

In previous works, only parameter weights of ASR models are optimized under fixed-topology architecture. However, the design of successful model architecture has always relied on human experience and intuition. Besides, many hyperparameters…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Yi-Chen Chen , Jui-Yang Hsu , Cheng-Kuang Lee , Hung-yi Lee

Speech signals are inherently complex as they encompass both global acoustic characteristics and local semantic information. However, in the task of target speech extraction, certain elements of global and local semantic information in the…

Sound · Computer Science 2024-08-27 Zhaoxi Mu , Xinyu Yang , Sining Sun , Qing Yang

The state-of-the-art semantic communication (SC) schemes typically rely on end-to-end deep learning frameworks that lack interpretability and struggle with robust semantic selection and reconstruction under noisy conditions. To address this…

Signal Processing · Electrical Eng. & Systems 2025-09-08 Dayu Fan , Rui Meng , Song Gao , Xiaodong Xu

Recent advances in volumetric super-resolution (SR) have demonstrated strong performance in medical and scientific imaging, with transformer- and CNN-based approaches achieving impressive results even at extreme scaling factors. In this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 August Leander Høeg , Sophia Wiinberg Bardenfleth , Hans Martin Kjer , Tim Bjørn Dyrby , Vedrana Andersen Dahl , Anders Bjorholm Dahl

Automatic speech recognition (ASR) performance has improved drastically in recent years, mainly enabled by self-supervised learning (SSL) based acoustic models such as wav2vec2 and large-scale multi-lingual training like Whisper. A huge…

Audio super-resolution is the task of constructing a high-resolution (HR) audio from a low-resolution (LR) audio by adding the missing band. Previous methods based on convolutional neural networks and mean squared error training objective…

Sound · Computer Science 2021-06-17 Kexun Zhang , Yi Ren , Changliang Xu , Zhou Zhao

Image segmentation beyond predefined categories is a key challenge in remote sensing, where novel and unseen classes often emerge during inference. Open-vocabulary image Segmentation addresses these generalization issues in traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Saikat Dutta , Akhil Vasim , Siddhant Gole , Hamid Rezatofighi , Biplab Banerjee

Joint modeling of multi-speaker ASR and speaker diarization has recently shown promising results in speaker-attributed automatic speech recognition (SA-ASR).Although being able to obtain state-of-the-art (SOTA) performance, most of the…

Sound · Computer Science 2023-10-10 Yangze Li , Fan Yu , Yuhao Liang , Pengcheng Guo , Mohan Shi , Zhihao Du , Shiliang Zhang , Lei Xie

Spatial audio is a crucial component in creating immersive experiences. Traditional simulation-based approaches to generate spatial audio rely on expertise, have limited scalability, and assume independence between semantic and spatial…

Sound · Computer Science 2025-07-16 Saksham Singh Kushwaha , Jianbo Ma , Mark R. P. Thomas , Yapeng Tian , Avery Bruni

Self-supervised learning (SSL) on large-scale datasets like AudioSet has become the dominant paradigm for audio representation learning. While the continuous influx of new, unlabeled audio presents an opportunity to enrich these static…

Sound · Computer Science 2026-01-26 Yizhou Zhang , Yuan Gao , Wangjin Zhou , Zicheng Yuan , Keisuke Imoto , Tatsuya Kawahara

Past studies on end-to-end meeting transcription have focused on model architecture and have mostly been evaluated on simulated meeting data. We present a novel study aiming to optimize the use of a Speaker-Attributed ASR (SA-ASR) system in…

Computation and Language · Computer Science 2024-09-06 Can Cui , Imran Ahamad Sheikh , Mostafa Sadeghi , Emmanuel Vincent