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In this paper, we propose a theoretical scheme of ghost imaging in terms of $N$th-order correlated thermal light. We obtain the Gaussian thin lens equations in the ghost imaging protocol. We show that it is possible to produce $N-1$ ghost…

Quantum Physics · Physics 2009-03-31 Ying-Chuan Liu , Le-Man Kuang

Based on compressive sampling techniques and short exposure imaging, super-resolution imaging with thermal light is experimentally demonstrated exploiting the sparse prior property of images for standard conventional imaging system.…

Optics · Physics 2010-05-12 Wenlin Gong , Shensheng Han

We present a practical experimental realization of transmission x-ray ghost imaging using synchrotron light. Hard x-rays from an undulator were split by a Si 200 crystal in Laue geometry to produce two copies of a speckled incident beam.…

Instrumentation and Detectors · Physics 2019-06-25 Daniele Pelliccia , Margie P. Olbinado , Alexander Rack , David M. Paganin

Modern digital cameras rely on the sequential execution of separate image processing steps to produce realistic images. The first two steps are usually related to denoising and demosaicking where the former aims to reduce noise from the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Filippos Kokkinos , Stamatios Lefkimmiatis

Real-world imaging systems acquire measurements that are degraded by noise, optical aberrations, and other imperfections that make image processing for human viewing and higher-level perception tasks challenging. Conventional cameras…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Steven Diamond , Vincent Sitzmann , Frank Julca-Aguilar , Stephen Boyd , Gordon Wetzstein , Felix Heide

Single photon detection and timing gathered increasing interest in the last few years due to both its necessity in the field of quantum sensing and the advantages of single quanta detection in the field of low level light imaging. While…

Quantum Physics · Physics 2024-02-23 Carsten Pitsch , Dominik Walter , Leonardo Gasparini , Helge Bürsing , Marc Eichhorn

By using the ghost imaging technique, we experimentally demonstrate the reconstruction of the diffraction pattern of a {\em pure phase} object by using the classical correlation of incoherent thermal light split on a beam splitter. The…

Quantum Physics · Physics 2007-05-23 M. Bache , D. Magatti , A. Gatti , E. Brambilla , F. Ferri , L. A. Lugiato

We present the first experimental demonstration of ghost imaging realized with intense beams generated by a parametric downconversion interaction seeded with pseudo-thermal light. As expected, the real image of the object is reconstructed…

Quantum Physics · Physics 2009-11-13 E. Puddu , A. Andreoni , I. P. Degiovanni , M. Bondani , S. Castelletto

Imaging based on successive repeated snapshot measurement is modeled as a source coding process in information theory. The necessary number of measurement to maintain a certain level of error rate is depicted as the rate-distortion function…

Optics · Physics 2016-04-12 Junhui Li , Bin Luo , Dongyue Yang , Guohua wu , Longfei Yin , Hong Guo

Benefit from the promising features of second-order correlation, ghost imaging (GI) has received extensive attentions in recent years. Simultaneously, GI is affected by the poor trade-off between sampling rate and imaging quality. The…

Image and Video Processing · Electrical Eng. & Systems 2022-06-29 Yuchen He , Sihong Duan , Jianxing Li , Hui Chen , Huaibin Zheng , Jianbin Liu , Yu Zhou , Zhuo Xu

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

In this paper, we present a dual-mode adaptive singular value decomposition ghost imaging (A-SVD GI), which can be easily switched between the modes of imaging and edge detection. It can adaptively localize the foreground pixels via a…

Image and Video Processing · Electrical Eng. & Systems 2023-04-26 Dajing Wang , Baolei Liu , Jiaqi Song , Yao Wang , Xuchen Shan , Fan Wang

Non-local point-to-point correlations between two photons have been used to produce "ghost" images without placing the camera towards the object. Here we theoretically demonstrated and analyzed the advantage of non-Gaussian quantum light in…

Quantum Physics · Physics 2021-12-14 Dongyu Liu , Mingsheng Tian , Shuheng Liu , Xiaolong Dong , Jiajie Guo , Qiongyi He , Haitan Xu , Zheng Li

Night vision imaging is a technology that converts non-visible object to human eyes into visible image in night and other low light environments. However, the conventional night vision imaging can only directly produce grayscale image.…

Image and Video Processing · Electrical Eng. & Systems 2021-02-03 Deyang Duan , Yunjie Xia

Image harmonization aims to adjust the foreground illumination in a composite image to make it harmonious. The existing harmonization methods can only produce one deterministic result for a composite image, ignoring that a composite image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xinhao Tao , Tianyuan Qiu , Junyan Cao , Li Niu

Computational ghost imaging is a promising technique for single-pixel imaging because it is robust to disturbance and can be operated over broad wavelength bands, unlike common cameras. However, one disadvantage of this method is that it…

Image and Video Processing · Electrical Eng. & Systems 2018-10-16 Ikuo Hoshi , Tomoyoshi Shimobaba , Takashi Kakue , Tomoyoshi Ito

There is a consensus that turbulence-free images cannot be obtained by conventional computational ghost imaging (CGI) because the CGI is only a classic simulation, which does not satisfy the conditions of turbulence-free imaging. In this…

Image and Video Processing · Electrical Eng. & Systems 2022-01-05 Hao Zhang , Deyang Duan

Light field modulation matrix is closely related to the quality of reconstructed image in ghost imaging. The orthogonality light field modulation matrix with better noise immunity and high quality reconstructed image is urgently needed in…

Image and Video Processing · Electrical Eng. & Systems 2019-11-14 Xiwei Zhao , Xue Wang , Wenying Zhang , Shanshan Jia , Cheng Zhou , Lijun Song

Inconsistency in contrast enhancement can be used to expose image forgeries. In this work, we describe a new method to estimate contrast enhancement from a single image. Our method takes advantage of the nature of contrast enhancement as a…

Computer Vision and Pattern Recognition · Computer Science 2017-06-14 Longyin Wen , Honggang Qi , Siwei Lyu

We investigate the nature of correlations in Gaussian light sources used for ghost imaging. We adopt methods from quantum information theory to distinguish genuinely quantum from classical correlations. Combining a microscopic analysis of…

Quantum Physics · Physics 2012-09-13 Sammy Ragy , Gerardo Adesso