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This work describes an approach towards pixel quantization using variable resolution which is made feasible using image transformation in the analog domain. The main aim is to reduce the average bits-per-pixel (BPP) necessary for…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Senorita Deb , Sai Sanjeet , Prabir Kumar Biswas , Bibhu Datta Sahoo

Photoacoustic Microscopy (PAM) images integrating the advantages of optical contrast and acoustic resolution have been widely used in brain studies. However, there exists a trade-off between scanning speed and image resolution. Compared…

Image and Video Processing · Electrical Eng. & Systems 2025-03-06 Kai Pan , Linyang Li , Li Lin , Pujin Cheng , Junyan Lyu , Lei Xi , Xiaoyin Tang

The hierarchical architecture has become a mainstream design paradigm for Vision Transformers (ViTs), with Patch Merging serving as the pivotal component that transforms a columnar architecture into a hierarchical one. Drawing inspiration…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Yonghao Yu , Dongcheng Zhao , Guobin Shen , Yiting Dong , Yi Zeng

Image Phase Alignment Super-Sampling (ImPASS) is a computational imaging algorithm for converting a sequence of displaced low-resolution images into a single high-resolution image. The method consists of a unique combination of Phase…

Optics · Physics 2025-09-01 James N. Caron

Digital array orthogonal transformations that can be presented as a decomposition over basis items or basis images are considered. The orthogonal transform provides digital data scattering, a process of pixel energy redistributing, that is…

Multimedia · Computer Science 2019-01-24 V. N. Gorbachev , L. A. Denisov , E. M. Kaynarova , I. K. Metelev , E. S. Yakovleva

Ising machines are emerging as a powerful physical alternative to digital processors for solving combinatorial optimization problems. Among them, spatial photonic Ising machines (SPIMs) offer compact, room-temperature hardware with…

We propose advancing photonic in-memory computing through three-dimensional photonic-electronic integrated circuits using phase-change materials (PCM) and AlGaAs-CMOS technology. These circuits offer high precision (greater than 12 bits),…

Our ISCA 2015 paper provides a new programmable processing-in-memory (PIM) architecture and system design that can accelerate key data-intensive applications, with a focus on graph processing workloads. Our major idea was to completely…

Hardware Architecture · Computer Science 2023-06-28 Junwhan Ahn , Sungpack Hong , Sungjoo Yoo , Onur Mutlu , Kiyoung Choi

Image sensors with internal computing capability enable in-sensor computing that can significantly reduce the communication latency and power consumption for machine vision in distributed systems and robotics. Two-dimensional semiconductors…

Applied Physics · Physics 2022-04-06 Seokhyeong Lee , Ruoming Peng , Changming Wu , Mo Li

High parallel framework has been proved to be very suitable for graph processing. There are various work to optimize the implementation in FPGAs, a pipeline parallel device. The key to make use of the parallel performance of FPGAs is to…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-02 Chengbo Yang

Embedded vision systems need efficient and robust image processing algorithms to perform real-time, with resource-constrained hardware. This research investigates image processing algorithms, specifically edge detection, corner detection,…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Soundes Oumaima Boufaida , Abdemadjid Benmachiche , Majda Maatallah

Single-pixel imaging (SPI) has a major drawback that many sequential illuminations are required for capturing one single image with long acquisition time. Basis illumination patterns such as Fourier patterns and Hadamard patterns can…

Image and Video Processing · Electrical Eng. & Systems 2020-01-20 Jun Feng , Shuming Jiao , Yang Gao , Ting Lei , Xiaocong Yuan

We present a novel framework, Spatial Pyramid Attention Network (SPAN) for detection and localization of multiple types of image manipulations. The proposed architecture efficiently and effectively models the relationship between image…

Computer Vision and Pattern Recognition · Computer Science 2021-01-15 Xuefeng Hu , Zhihan Zhang , Zhenye Jiang , Syomantak Chaudhuri , Zhenheng Yang , Ram Nevatia

Recent progress on Transformers and multi-layer perceptron (MLP) models provide new network architectural designs for computer vision tasks. Although these models proved to be effective in many vision tasks such as image recognition, there…

Image and Video Processing · Electrical Eng. & Systems 2022-04-05 Zhengzhong Tu , Hossein Talebi , Han Zhang , Feng Yang , Peyman Milanfar , Alan Bovik , Yinxiao Li

Rapid and programmable shaping of light fields is central to modern microscopy, display technologies, optical communications and sensing, quantum engineering, and quantum information processing. Current wavefront shaping technologies face a…

Quantum Physics · Physics 2026-01-15 Xin Wei , Zeyang Li , Abhishek V. Karve , Adam L. Shaw , David I. Schuster , Jonathan Simon

Recent progress in image recognition has stimulated the deployment of vision systems at an unprecedented scale. As a result, visual data are now often consumed not only by humans but also by machines. Existing image processing methods only…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Zhuang Liu , Hung-Ju Wang , Tinghui Zhou , Zhiqiang Shen , Bingyi Kang , Evan Shelhamer , Trevor Darrell

General-purpose programmable photonic processors provide a versatile platform for integrating diverse functionalities on a single chip. Leveraging a two-dimensional hexagonal waveguide mesh of Mach-Zehnder interferometers, these systems…

Graph neural networks have emerged as a promising paradigm for image processing, yet their performance in image classification tasks is hindered by a limited consideration of the underlying structure and relationships among visual entities.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Usama Zidan , Mohamed Gaber , Mohammed M. Abdelsamea

The Transformer architecture has witnessed a rapid development in recent years, outperforming the CNN architectures in many computer vision tasks, as exemplified by the Vision Transformers (ViT) for image classification. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Yu Fu , TianYang Xu , XiaoJun Wu , Josef Kittler

The massive amounts of data generated by camera sensors motivate data processing inside pixel arrays, i.e., at the extreme-edge. Several critical developments have fueled recent interest in the processing-in-pixel-in-memory paradigm for a…

Image and Video Processing · Electrical Eng. & Systems 2024-02-26 Md Abdullah-Al Kaiser , Gourav Datta , Sreetama Sarkar , Souvik Kundu , Zihan Yin , Manas Garg , Ajey P. Jacob , Peter A. Beerel , Akhilesh R. Jaiswal