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A central problem in neuroscience is reconstructing neuronal circuits on the synapse level. Due to a wide range of scales in brain architecture such reconstruction requires imaging that is both high-resolution and high-throughput. Existing…

Computer Vision and Pattern Recognition · Computer Science 2012-10-03 Tao Hu , Juan Nunez-Iglesias , Shiv Vitaladevuni , Lou Scheffer , Shan Xu , Mehdi Bolorizadeh , Harald Hess , Richard Fetter , Dmitri Chklovskii

Intelligent metasurface has recently emerged as a promising technology that enables the customization of wireless environments by harnessing large numbers of low-cost reconfigurable scattering elements. However, prior studies have…

Information Theory · Computer Science 2025-05-05 Jiancheng An , Marco Di Renzo , Mérouane Debbah , H. Vincent Poor , Chau Yuen

In this work, we investigate a reconfigurable intelligent surface (RIS) aided integrated sensing and communication scenario, where a base station (BS) communicates with multiple devices in a full-duplex mode, and senses the positions of…

Signal Processing · Electrical Eng. & Systems 2022-08-16 Zhichao Shao , Xiaojun Yuan , Wei Zhang , Marco Di Renzo

Stacked intelligent metasurfaces (SIM) represents an advanced signal processing paradigm that enables over-the-air processing of electromagnetic waves at the speed of light. Its multi-layer structure exhibits customizable increased…

Signal Processing · Electrical Eng. & Systems 2024-02-15 Hao Liu , Jiancheng An , Derrick Wing Kwan Ng , George C. Alexandropoulos , Lu Gan

Single image super-resolution (SISR) is the task of inferring a high-resolution image from a single low-resolution image. Recent research on super-resolution has achieved great progress due to the development of deep convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2019-11-22 Zhengyang Lu , Ying Chen

Amodal sensing is critical for various real-world sensing applications because it can recover the complete shapes of partially occluded objects in complex environments. Among various amodal sensing paradigms, wireless amodal sensing is a…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Yuhan Wang , Haobo Zhang , Qingyu Liu , Hongliang Zhang , Lingyang Song

3D reconstruction of high-resolution target remains a challenge task due to the large memory required from the large input image size. Recently developed learning based algorithms provide promising reconstruction performance than…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yanwei Wang

The availability of large-scale remote sensing video data underscores the importance of high-quality interactive segmentation. However, challenges such as small object sizes, ambiguous features, and limited generalization make it difficult…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Zhe Shan , Yang Liu , Lei Zhou , Cheng Yan , Heng Wang , Xia Xie

Integrated sensing and communication (ISAC) has emerged as a pivotal technology for next-generation wireless networks, enabling simultaneous data transmission and environmental sensing. However, existing ISAC systems face fundamental…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Amirhossein Taherpour , Abbas Taherpour , Tamer Khattab

Surgical instrument tracking is an active research area that can provide surgeons feedback about the location of their tools relative to anatomy. Recent tracking methods are mainly divided into two parts: segmentation and object detection.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Ange Lou , Xing Yao , Ziteng Liu , Jintong Han , Jack Noble

Super-resolution fluorescence microscopy is an important tool in biomedical research for its ability to discern features smaller than the diffraction limit. However, due to its difficult implementation and high cost, the universal…

This paper presents a scalable beamforming design for maximizing the spectral efficiency (SE) of multi-reconfigurable intelligent surface (RIS)-aided communications through joint optimization of the precoder and RIS phase shifts in…

Signal Processing · Electrical Eng. & Systems 2026-01-28 Mintaek Oh , Jinseok Choi

This paper studies the beamforming optimization challenge in reconfigurable intelligent surface (RIS)-aided multiple-input single-output (MISO) systems, where the RIS phase configuration is discrete. Conventional optimization methods for…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Rujing Xiong , Xuihui Dong , Tiebin Mi , Kai Wan , Robert Caiming Qiu

It is widely accepted that optimization of imaging system performance should be guided by task-based measures of image quality (IQ). It has been advocated that imaging hardware or data-acquisition designs should be optimized by use of an…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Yujia Chen , Yang Lou , Kun Wang , Matthew A. Kupinski , Mark A. Anastasio

This paper presents a novel approach for denoising binary images using simulated annealing (SA), a global optimization technique that addresses the inherent challenges of non convex energy functions. Binary images are often corrupted by…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Milind Cherukuri

Surface-enhanced Raman scattering (SERS) is a critical tool for chemical sensing and spectroscopy, and a key question is how to optimally design nanostructures for maximizing SERS. We present fundamental limits on spatially-averaged SERS…

Optics · Physics 2025-02-17 Pengning Chao , Ian M. Hammond , Steven G. Johnson

Reconstructing and understanding 3D structures from a limited number of images is a well-established problem in computer vision. Traditional methods usually break this task into multiple subtasks, each requiring complex transformations…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Zhiwen Fan , Jian Zhang , Wenyan Cong , Peihao Wang , Renjie Li , Kairun Wen , Shijie Zhou , Achuta Kadambi , Zhangyang Wang , Danfei Xu , Boris Ivanovic , Marco Pavone , Yue Wang

We consider a reconfigurable intelligent surface (RIS) assisted cell-free massive multiple-input multiple-output non-orthogonal multiple access (NOMA) system, where each access point (AP) serves all the users with the aid of the RIS. We…

Information Theory · Computer Science 2024-09-18 Malay Chakraborty , Ekant Sharma , Himal A. Suraweera , Hien Quoc Ngo

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

Single-pixel imaging (SPI) is a novel imaging technique whose working principle is based on the compressive sensing (CS) theory. In SPI, data is obtained through a series of compressive measurements and the corresponding image is…

Image and Video Processing · Electrical Eng. & Systems 2022-07-15 Stephen L. H. Lau , Edwin K. P. Chong