English
Related papers

Related papers: Frame-filtered ghost imaging with a SPAD array use…

200 papers

We introduced a new kind of patterns named Special-Hadamard patterns, which could be used as structured illuminations of computational ghost imaging. Special-Hadamard patterns can get a better image quality than Hadamard patterns in a noisy…

Image and Video Processing · Electrical Eng. & Systems 2019-02-14 Jie Hou , Yuan Sun , Wanqing Yang , Ting Lv , Xiaoqian Wang

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…

Image and Video Processing · Electrical Eng. & Systems 2023-07-20 Ajay Gunalan , Marco Castello , Simonluca Piazza , Shunlei Li , Alberto Diaspro , Leonardo S. Mattos , Paolo Bianchini

Computational ghost imaging (CGI) and single-pixel camera (SPC) are two types of single-pixel imaging and attracts increasing interest in recent years. The performance differences of CGI and SPC in difference light disturbance environment…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Wenlin Gong

In this paper, we improve image reconstruction in a single-pixel scanning system by selecting an detector optimal field of view. Image reconstruction is based on compressed sensing and image quality is compared to interpolated staring…

Image and Video Processing · Electrical Eng. & Systems 2020-10-02 Gene Stoltz , André Leon Nel

The capture of transient optical waveforms is critical to reveal dynamical phenomena in various fields. However, fast and sensitive mid-infrared (MIR) measurements are typically limited by processing bandwidth and detection sensitivity of…

Optics · Physics 2026-05-26 Wen Zhang , Kun Huang , Xu Wang , Ben Sun , Jianan Fang , Yijing Li , Heping Zeng

Ghost imaging has been receiving increasing interest for possible use as a remote-sensing system. There has been little comparison, however, between ghost imaging and the imaging laser radars with which it would be competing. Toward that…

Optics · Physics 2015-06-12 Nicholas D. Hardy , Jeffrey H. Shapiro

We report the nonlocal imaging of an object by conditional averaging of the random exposure frames of a reference detector, which only sees the freely propagating field from a thermal light source. A bucket detector, synchronized with the…

Optics · Physics 2013-03-25 Kai-Hong Luo , Boqiang Huang , Wei-Mou Zheng , Ling-An Wu

The unpaired training can be the only option available for fast deep learning-based ghost imaging, where obtaining a high signal-to-noise ratio (SNR) image copy of each low SNR ghost image could be practically time-consuming and…

Image and Video Processing · Electrical Eng. & Systems 2021-06-10 Fatemeh Alishahi , Amirhossein Mohajerin-Ariaei

We outline and experimentally demonstrate a method to image pure phase objects using traditional quantum ghost imaging with single pixel detectors. We provide a theoretical description of the process, showing how phase information is…

Quantum Physics · Physics 2022-06-08 Bereneice Sephton , Isaac Nape , Chané Moodley , Jason Francis , Andrew Forbes

We present a compact, diffuser-assisted, single-pixel computational camera. A rotating ground glass diffuser is adopted, in preference to a commonly used digital micro-mirror device (DMD), to encode a two-dimensional (2D) image into…

Optics · Physics 2021-11-04 Baolei Liu , Fan Wang , Chaohao Chen , David McGloin

This paper addresses the problem of imaging in the presence of diffraction-photons. Diffraction-photons arise from the low contrast ratio of DMDs ($\sim\,1000:1$), and very much degrade the quality of images captured by SPAD-based systems.…

Computer Vision and Pattern Recognition · Computer Science 2019-11-14 Ibrahim Alsolami , Wolfgang Heidrich

One of the most surprising consequences of quantum mechanics is the nonlocal multi-particle interference observable in joint-detection of distant particle-detectors. Ghost imaging is one of such phenomena. Two types of ghost imaging have…

Quantum Physics · Physics 2009-09-29 Yanhua Shih

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…

Optics · Physics 2026-01-22 Dennis Scheidt

Ghost imaging (GI) reconstructs images using a single-pixel or bucket detector, which has the advantages of scattering robustness, wide spectrum and beyond-visual-field imaging. However, this technique needs large amount of measurements to…

Image and Video Processing · Electrical Eng. & Systems 2021-11-03 Jie Cao , Dong Zhou , Ying-Qiang Zhang , Huan Cui , Fang-Hua Zhang , Qun Hao

Spatial light modulation is important for many scientific and industrial applications. The spatial light modulator and optical data projector both rely on precisely configurable optical elements to shape a light beam. Here we explore an…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 David Ceddia , Andrew M. Kingston , Daniele Pelliccia , Alexander Rack , David M. Paganin

Assessing the presence of chemical, biological, radiological and nuclear threats is a crucial task which is usually dealt with by analyzing the presence of spectral features in a measured absorption profile. The use of quantum light allows…

Nowadays, target recognition technique plays an important role in many fields. However, the current target image information based methods suffer from the influence of image quality and the time cost of image reconstruction. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Yuchen He , Yibing Chen , Sheng Luo , Hui Chen , Jianxing Li , Zhuo Xu

Computational ghost imaging needs to acquire a large number of correlated measurements between reference patterns and the scene for reconstruction, so extremely high acquisition speed is crucial for fast ghost imaging. With the development…

Optics · Physics 2015-06-11 Jinli Suo , Yudong Xiao , Liheng Bian , Lei Zhang , Qionghai Dai

We present a device that exploits spatial and spectral correlations in parametric downconversion at once. By using a ghost imaging arrangement, we have been able to reconstruct remotely the frequency profile of a composite system. The…

Quantum Physics · Physics 2023-08-07 Andrea Chiuri , Federico Angelini , Simone Santoro , Marco Barbieri , Ilaria Gianani

When the sampling data of ghost imaging is recorded with less bits, i.e., experiencing quantization, decline of image quality is observed. The less bits used, the worse image one gets. Dithering, which adds suitable random noise to the raw…

Optics · Physics 2018-10-01 Junhui Li , Dongyue Yang , Bin Luo , Guohua Wu , Longfei Yin , Hong Guo