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Unsupervised monocular depth learning generally relies on the photometric relation among temporally adjacent images. Most of previous works use both mean absolute error (MAE) and structure similarity index measure (SSIM) with conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Yijun Cao , Fuya Luo , Yongjie Li

We proposed a new approach, which is inspired by the method of super-resolution (SR) structured illumination microscopy (SIM) for overcoming the resolution limit in microscopy due to diffraction of light, for increasing the resolution of…

Medical Physics · Physics 2026-02-04 Youdong Lang , Qingguo Xie , Chien-Min Kao

It is now generally accepted that Euclidean-based metrics may not always adequately represent the subjective judgement of a human observer. As a result, many image processing methodologies have been recently extended to take advantage of…

Optimization and Control · Mathematics 2020-02-10 D. Otero , D. La Torre , O. Michailovich , E. R. Vrscay

Spike sorting algorithms are used to separate extracellular recordings of neuronal populations into single-unit spike activities. The development of customized hardware implementing spike sorting algorithms is burgeoning. However, there is…

Machine Learning · Computer Science 2025-01-30 Tim Zhang , Corey Lammie , Mostafa Rahimi Azghadi , Amirali Amirsoleimani , Majid Ahmadi , Roman Genov

The traditional methods of image assessment, such as mean squared error (MSE), signal-to-noise ratio (SNR), and Peak signal-to-noise ratio (PSNR), are all based on the absolute error of images. Pearson's inner-product correlation…

Computer Vision and Pattern Recognition · Computer Science 2017-08-07 Jianji Wang , Nanning Zheng , Badong Chen , Jose C. Principe

Processing-in-memory (PIM), as a novel computing paradigm, provides significant performance benefits from the aspect of effective data movement reduction. SRAM-based PIM has been demonstrated as one of the most promising candidates due to…

Hardware Architecture · Computer Science 2023-11-01 Cenlin Duan , Jianlei Yang , Xiaolin He , Yingjie Qi , Yikun Wang , Yiou Wang , Ziyan He , Bonan Yan , Xueyan Wang , Xiaotao Jia , Weitao Pan , Weisheng Zhao

This paper investigates a downlink multiuser multiple-input single-output system that integrates rate-splitting multiple access (RSMA) with a stacked intelligent metasurface (SIM) to enable wave-domain beamforming. Unlike conventional…

Systems and Control · Electrical Eng. & Systems 2025-11-17 Abdullah Quran , Shimaa Naser , Maryam Tariq , Omar Alhussein , Sami Muhaidat

Real-world image super-resolution (RISR) has received increased focus for improving the quality of SR images under unknown complex degradation. Existing methods rely on the heavy SR models to enhance low-resolution (LR) images of different…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Junbo Qiao , Shaohui Lin , Yunlun Zhang , Wei Li , Jie Hu , Gaoqi He , Changbo Wang , Lizhuang Ma

Stacked intelligent metasurface (SIM) is an emerging design that consists of multiple layers of metasurfaces. A SIM enables holographic multiple-input multiple-output (HMIMO) precoding in the wave domain, which results in the reduction of…

This paper investigates the problems large-scale distributed composite convex optimization, with motivations from a broad range of applications, including multi-agent systems, federated learning, smart grids, wireless sensor networks,…

Optimization and Control · Mathematics 2025-12-16 Maoran Wang , Xingju Cai , Yongxin Chen

Recently, a number of authors have proposed decoding schemes for Reed-Solomon (RS) codes based on multiple trials of a simple RS decoding algorithm. In this paper, we present a rate-distortion (R-D) approach to analyze these…

Information Theory · Computer Science 2009-08-21 Phong S. Nguyen , Henry D. Pfister , Krishna R. Narayanan

Structured illumination microscopy (SIM) improves resolution by down-modulating high-frequency information of an object to fit within the passband of the optical system. Generally, the reconstruction process requires prior knowledge of the…

Computer Vision and Pattern Recognition · Computer Science 2017-01-13 Li-Hao Yeh , Lei Tian , Laura Waller

The variability introduced by differences in MRI scanner models, acquisition protocols, and imaging sites hinders consistent analysis and generalizability across multicenter studies. We present a novel image-based harmonization framework…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Luca Caldera , Lara Cavinato , Francesca Ieva

Structured Illumination Microscopy (SIM) is an imaging technique for achieving both super-resolution (SR) and optical sectioning (OS) in wide-field microscopy. It consists in illuminating the sample with periodic patterns at different…

The use of the structural similarity index (SSIM) is widespread. For almost two decades, it has played a major role in image quality assessment in many different research disciplines. Clearly, its merits are indisputable in the research…

Image and Video Processing · Electrical Eng. & Systems 2020-07-01 Jim Nilsson , Tomas Akenine-Möller

We revisit the source image estimation problem from blind source separation (BSS). We generalize the traditional minimum distortion principle to maximum likelihood estimation with a model for the residual spectrograms. Because residual…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-14 Robin Scheibler

This paper introduces the notion of soft bits to address the rate-distortion optimization for learning-based image compression. Recent methods for such compression train an autoencoder end-to-end with an objective to strike a balance…

Image and Video Processing · Electrical Eng. & Systems 2019-05-02 David Alexandre , Chih-Peng Chang , Wen-Hsiao Peng , Hsueh-Ming Hang

Stacked intelligent metasurfaces (SIMs) represent a novel signal processing paradigm that enables over-the-air processing of electromagnetic waves at the speed of light. Their multi-layer architecture exhibits customizable computational…

Information Theory · Computer Science 2025-04-01 Hao Liu , Jiancheng An , George C. Alexandropoulos , Derrick Wing Kwan Ng , Chau Yuen , Lu Gan

Simulation-based optimization (SO or SBO) has become increasingly important to address challenging transportation network design problems. In this paper, we propose to solve two toll pricing problems with different levels of complexity…

Systems and Control · Electrical Eng. & Systems 2020-11-25 Ziyuan Gu , Meead Saberi

Reconfigurable intelligent surface (RIS) has been anticipated to be a novel cost-effective technology to improve the performance of future wireless systems. In this paper, we investigate a practical RIS-aided multiple-input-multiple-output…

Information Theory · Computer Science 2023-03-23 Jintao Wang , Shiqi Gong , Qingqing Wu , Shaodan Ma