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Data acquisition in array signal processing (ASP) is costly because achieving high angular and range resolutions necessitates large antenna apertures and wide frequency bandwidths, respectively. The data requirements for ASP problems grow…

信号处理 · 电气工程与系统科学 2024-12-10 Daqian Bao , Alex Saad-Falcon , Justin Romberg

NeRF-based methods reconstruct 3D scenes by building a radiance field with implicit or explicit representations. While NeRF-based methods can perform novel view synthesis (NVS) at arbitrary scale, the performance in high-resolution novel…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Ding-Jiun Huang , Zi-Ting Chou , Yu-Chiang Frank Wang , Cheng Sun

Recent High Dynamic Range (HDR) techniques extend the capabilities of current cameras where scenes with a wide range of illumination can not be accurately captured with a single low-dynamic-range (LDR) image. This is generally accomplished…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Michal Nazarczuk , Sibi Catley-Chandar , Ales Leonardis , Eduardo Pérez-Pellitero

In this work, we study the features extracted by English self-supervised learning (SSL) models in cross-lingual contexts and propose a new metric to predict the quality of feature representations. Using automatic speech recognition (ASR) as…

计算与语言 · 计算机科学 2023-11-28 Shuyue Stella Li , Beining Xu , Xiangyu Zhang , Hexin Liu , Wenhan Chao , Leibny Paola Garcia

Hand-held light field (LF) cameras often exhibit low spatial resolution due to the inherent trade-off between spatial and angular dimensions. Existing supervised learning-based LF spatial super-resolution (SR) methods, which rely on…

图像与视频处理 · 电气工程与系统科学 2025-12-09 Jianxin Lei , Dongze Wu , Chengcai Xu , Hongcheng Gu , Guangquan Zhou , Junhui Hou , Ping Zhou

Hyperspectral single image super-resolution (HS-SISR) aims to enhance the spatial resolution of hyperspectral images to fully exploit their spectral information. While considerable progress has been made in this field, most existing methods…

图像与视频处理 · 电气工程与系统科学 2026-04-22 Xinxin Xu , Yann Gousseau , Christophe Kervazo , Saïd Ladjal

Structured covariance matrix estimation in the presence of missing data is addressed in this paper with emphasis on radar signal processing applications. After a motivation of the study, the array model is specified and the problem of…

信号处理 · 电气工程与系统科学 2022-12-09 Augusto Aubry , Antonio De Maio , Stefano Marano , Massimo Rosamilia

Although deep learning has significantly improved Face Recognition (FR), dramatic performance deterioration may occur when processing Low Resolution (LR) faces. To alleviate this, approaches based on unified feature space are proposed with…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Xu Ling , Yichen Lu , Wenqi Xu , Weihong Deng , Yingjie Zhang , Xingchen Cui , Hongzhi Shi , Dongchao Wen

To achieve high range resolution profile (HRRP), the geometric theory of diffraction (GTD) parametric model is widely used in stepped-frequency radar system. In the paper, a fast synthetic range profile algorithm, called orthogonal matching…

信息论 · 计算机科学 2012-06-12 Rong Fan , Qun Wan , Xiao Zhang , Hui Chen , Yipeng Liu

High-dimensional matrix regression has been studied in various aspects, such as statistical properties, computational efficiency and application to specific instances including multivariate regression, system identification and matrix…

统计理论 · 数学 2024-03-06 Xin Li , Dongya Wu

Single image super-resolution (SISR) is a challenging ill-posed problem that aims to up-sample a given low-resolution (LR) image to a high-resolution (HR) counterpart. Due to the difficulty in obtaining real LR-HR training pairs, recent…

图像与视频处理 · 电气工程与系统科学 2023-09-01 Reyhaneh Neshatavar , Mohsen Yavartanoo , Sanghyun Son , Kyoung Mu Lee

Recognition of low resolution face images is a challenging problem in many practical face recognition systems. Methods have been proposed in the face recognition literature for the problem which assume that the probe is low resolution, but…

计算机视觉与模式识别 · 计算机科学 2017-07-11 Sumit Shekhar , Vishal M. Patel , Rama Chellappa

This paper describes methods for evaluating automatic speech recognition (ASR) systems in comparison with human perception results, using measures derived from linguistic distinctive features. Error patterns in terms of manner, place and…

计算与语言 · 计算机科学 2016-12-14 Xiang Kong , Jeung-Yoon Choi , Stefanie Shattuck-Hufnagel

Responding to the challenge of detecting unusual radar targets in a well identified environment, innovative anomaly and novelty detection methods keep emerging in the literature. This work aims at presenting a benchmark gathering common and…

信号处理 · 电气工程与系统科学 2021-06-22 Martin Bauw , Santiago Velasco-Forero , Jesus Angulo , Claude Adnet , Olivier Airiau

Heterogeneous Face Recognition (HFR) aims at matching face images captured across different sensing modalities, such as thermal-to-visible or near-infrared-to-visible, enhancing the usability of face recognition systems in challenging…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Anjith George , Sebastien Marcel

Assisting pathologists in the analysis of histopathological images has high clinical value, as it supports cancer detection and staging. In this context, histology foundation models have recently emerged. Among them, Vision-Language Models…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Tiffanie Godelaine , Maxime Zanella , Karim El Khoury , Saïd Mahmoudi , Benoît Macq , Christophe De Vleeschouwer

Face super-resolution (FSR) is a critical technique for enhancing low-resolution facial images and has significant implications for face-related tasks. However, existing FSR methods are limited by fixed up-sampling scales and sensitivity to…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Yi Ting Tsai , Yu Wei Chen , Hong-Han Shuai , Ching-Chun Huang

Recent advancements in the Neural Radiance Field (NeRF) have enhanced its capabilities for novel view synthesis, yet its reliance on dense multi-view training images poses a practical challenge, often leading to artifacts and a lack of fine…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Seunghyeon Seo , Yeonjin Chang , Jayeon Yoo , Seungwoo Lee , Hojun Lee , Nojun Kwak

Advancements in data collection techniques and the heterogeneity of data resources can yield high percentages of missing observations on variables, such as block-wise missing data. Under missing-data scenarios, traditional methods such as…

统计方法学 · 统计学 2022-05-17 Wei Lan , Xuerong Chen , Tao Zou , Chih-Ling Tsai

Automated speaking assessment (ASA) typically involves automatic speech recognition (ASR) and hand-crafted feature extraction from the ASR transcript of a learner's speech. Recently, self-supervised learning (SSL) has shown stellar…

声音 · 计算机科学 2025-03-04 Tien-Hong Lo , Fu-An Chao , Tzu-I Wu , Yao-Ting Sung , Berlin Chen