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Fourier single-pixel imaging (FSI) is a data-efficient single-pixel imaging (SPI). However, there is still a serious challenge to obtain higher imaging quality using fewer measurements, which limits the development of real-time SPI. In this…

图像与视频处理 · 电气工程与系统科学 2023-11-07 Huan Cui , Jie Cao , Qun Hao , Haoyu Zhang , Chang Zhou

Single-pixel imaging (SPI) using a single-pixel detector is an unconventional imaging method, which has great application prospects in many fields to realize high-performance imaging. In especial, the recent proposed catadioptric panoramic…

光学 · 物理学 2024-07-30 Huan Cui , Jie Cao , Haoyu Zhang , Chang Zhou , Haifeng Yao , Yingbo Wang , Qun Hao

Snapshot hyperspectral imaging can capture the 3D hyperspectral image (HSI) with a single 2D measurement and has attracted increasing attention recently. Recovering the underlying HSI from the compressive measurement is an ill-posed problem…

图像与视频处理 · 电气工程与系统科学 2021-01-25 Niankai Cheng , Hua Huang , Lei Zhang , Lizhi Wang

In typical single-pixel detection multiplexing, an unknown object is sequentially illuminated with intensity patterns: the total signal is summed into a single-pixel detector and is then demultiplexed to retrieve the object. Because of…

光学 · 物理学 2022-04-14 Camille Scotté , Frédéric Galland , Hervé Rigneault

Single-pixel imaging can collect images at the wavelengths outside the reach of conventional focal plane array detectors. However, the limited image quality and lengthy computational times for iterative reconstruction still impede the…

图像与视频处理 · 电气工程与系统科学 2023-11-20 Kai Song , Yaoxing Bian , Ku Wu , Hongrui Liu , Shuangping Han , Jiaming Li , Jiazhao Tian , Chengbin Qin , Jianyong Hu , Liantuan Xiao

The homography matrix is a key component in various vision-based robotic tasks. Traditionally, homography estimation algorithms are classified into feature- or intensity-based. The main advantages of the latter are their versatility,…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Lucas Nogueira , Ely C. de Paiva , Geraldo Silvera

Hashing plays an important role in information retrieval, due to its low storage and high speed of processing. Among the techniques available in the literature, multi-modal hashing, which can encode heterogeneous multi-modal features into…

多媒体 · 计算机科学 2021-08-05 Jun Yu , Donglin Zhang , Zhenqiu Shu , Feng Chen

Image-free tracking methods based on single-pixel detectors (SPDs) can track a moving object at a very high frame rate, but they rarely can achieve simultaneous imaging of such an object. In this study, we propose a method for…

光学 · 物理学 2023-02-15 Shijian Li , Yan Cai , Yeliang Wang , Xu-ri Yao , Qing Zhao

Single pixel imaging (SPI) is a novel technique being able to capture 2D images using a bucket detector with high signal-to-noise ratio, wide spectrum range and low cost. Conventional SPI projects random illumination patterns to randomly…

光学 · 物理学 2016-07-19 Liheng Bian , Jinli Suo , Xuemei Hu , Feng Chen , Qionghai Dai

Based on point spread function (PSF) engineering and astigmatism due to a pair of cylindrical lenses, a novel compressed imaging mechanism is proposed to achieve single-shot incoherent 3D imaging. The speckle-like PSF of the imaging system…

光学 · 物理学 2021-05-24 Qiong Gao , Weidong Qu , Ming Shao , Wei Liu , Xiangzheng Cheng

When imaging moving objects, single-pixel imaging produces motion blur. This paper proposes a new single-pixel imaging method, which can achieve anti-motion blur imaging of a fast-moving object. The geometric moment patterns and Hadamard…

图像与视频处理 · 电气工程与系统科学 2022-08-17 Zijun Guo , Wenwen Meng , Dongfeng Shi , Linbin Zha , Wei Yang , Jian Huang , Yafeng Chen , Yingjian Wang

We propose a method of reduction of experimental noise in single-pixel imaging by expressing the subsets of sampling patterns as linear combinations of vertices of a multidimensional regular simplex. This method may be also directly…

图像与视频处理 · 电气工程与系统科学 2019-04-25 Krzysztof M. Czajkowski , Anna Pastuszczak , Rafal Kotynski

Snapshot compressive imaging (SCI) refers to compressive imaging systems where multiple frames are mapped into a single measurement, with video compressive imaging and hyperspectral compressive imaging as two representative applications.…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Yang Liu , Xin Yuan , Jinli Suo , David J. Brady , Qionghai Dai

The Hadamard decomposition is a powerful technique for data analysis and matrix compression, which decomposes a given matrix into the element-wise product of two or more low-rank matrices. In this paper, we develop an efficient algorithm to…

机器学习 · 计算机科学 2025-04-23 Samuel Wertz , Arnaud Vandaele , Nicolas Gillis

We present a novel approach to implement compressive sensing in laser scanning microscopes (LSM), specifically in image scanning microscopy (ISM), using a single-photon avalanche diode (SPAD) array detector. Our method addresses two…

图像与视频处理 · 电气工程与系统科学 2023-07-20 Ajay Gunalan , Marco Castello , Simonluca Piazza , Shunlei Li , Alberto Diaspro , Leonardo S. Mattos , Paolo Bianchini

X-ray imaging is an invaluable tool for noninvasive analysis in many fields ranging from basic science to medicine and security. The development of low-dose large area imaging solutions still represents an important challenge for various…

仪器与探测器 · 物理学 2024-11-07 M. Simões , P. Vaz , A. F. V. Cortez

MRI images of the same subject in different contrasts contain shared information, such as the anatomical structure. Utilizing the redundant information amongst the contrasts to sub-sample and faithfully reconstruct multi-contrast images…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Xinwen Liu , Jing Wang , Fangfang Tang , Shekhar S. Chandra , Feng Liu , Stuart Crozier

Single Pixel Imaging is an emerging imaging technique that employs a bucket detector (photodiode) to sample a spatially modulated light field, rather than measuring the spatial distribution with an array of detectors. This approach provides…

光学 · 物理学 2026-01-22 Dennis Scheidt

We present a method for visual object classification using only a single feature, transformed color SIFT with a variant of Spatial Pyramid Matching (SPM) that we called Sliding Spatial Pyramid Matching (SSPM), trained with an ensemble of…

计算机视觉与模式识别 · 计算机科学 2012-12-19 Hao Wooi Lim , Yong Haur Tay

Image feature matching plays a vital role in many computer vision tasks. Although many image feature detection and matching techniques have been proposed over the past few decades, it is still time-consuming to match feature points in two…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Chin-Hung Teng , Ben-Jian Dong