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Computational ghost imaging relies on the decomposition of an image into patterns that are summed together with weights that measure the overlap of each pattern with the scene being imaged. These tasks rely on a computer. Here we…

Neurons and Cognition · Quantitative Biology 2019-03-27 Alessandro Boccolini , Alessandro Fedrizzi , Daniele Faccio

Modified gravitational wave propagation is a smoking gun of modifications of gravity at cosmological scales, and can be the most promising observable for testing such theories. The observation of gravitational waves (GW) in recent years has…

General Relativity and Quantum Cosmology · Physics 2022-03-18 Francesco Iacovelli , Andreas Finke , Stefano Foffa , Michele Maggiore , Michele Mancarella

We describe a new technique for turning scans of the microwave sky into intensity maps. The technique is based on a Fourier series analysis and is inspired by the lock-in deconvolution used in experiments which typically sweep the sky…

Astrophysics · Physics 2007-05-23 L. Piccirillo , G. Romeo , R. K. Schaefer , M. Limon

Exploiting the infrared area of the spectrum for classification problems is getting increasingly popular, because many materials have characteristic absorption bands in this area. However, sensors in the short wave infrared (SWIR) area and…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Frank Sippel , Jürgen Seiler , André Kaup

This paper explores an integrated approach for improved sensing and positioning with applications in air traffic management (ATM) and in the Advanced Surface Movement Guidance and Control System (A-SMGCS). The integrated approach includes…

We study the possibility of detecting gravitational-waves with matter-wave interferometers, where atom beams are split, deflected and recombined totally by standing light waves. Our calculation shows that the phase shift is dominated by…

General Relativity and Quantum Cosmology · Physics 2011-06-02 Dongfeng Gao , Peng Ju , Baocheng Zhang , Mingsheng Zhan

A recent thermal ghost imaging experiment by Wu's group constructed positive and negative images using a novel algorithm. This algorithm allows to form the images with use of partial measurements from the reference arm, even which never…

Optics · Physics 2012-08-30 Jianming Wen

Crime is a critical problem -- which often takes place behind closed doors, posing additional difficulties for investigators. To bring hidden truths to light, evidence at indoor crime scenes must be documented before any contamination or…

Robotics · Computer Science 2025-06-02 Martin Cooney , Fernando Alonso-Fernandez

X-ray "ghost" imaging has drawn great attention for its potential to lower radiation dose in medical diagnosis. For practical implementation, however, the efficiency and image quality have to be greatly improved. Here we demonstrate a…

Image and Video Processing · Electrical Eng. & Systems 2019-05-28 Yu-Hang He , Ai-Xin Zhang , Ming-Fei Li , Yi-Yi Huang , Bao-Gang Quan , Da-Zhang Li , Ling-An Wu , Li-Ming Chen

Magnonics is seen nowadays as a candidate technology for energy-efficient data processing in classical and quantum systems. Pronounced nonlinearity, anisotropy of dispersion relations and phase degree of freedom of spin waves require…

Acoustic beamforming with a microphone array represents an adequate technology for remote acoustic surveillance, as the system has no mechanical parts and it has moderate size. However, in order to accomplish real implementation, several…

Sound · Computer Science 2017-03-08 Abdulla AlShehhi , M. Luai Hammadih , M. Sami Zitouni , Saif AlKindi , Nazar Ali , Luis Weruaga

Wireless tomography is a technique for inferring a physical environment within a monitored region by analyzing RF signals traversed across the region. In this paper, we consider wireless tomography in a two and higher dimensionally…

Information Theory · Computer Science 2014-07-10 Kazushi Takemoto , Takahiro Matsuda , Shinsuke Hara , Kenichi Takizawa , Fumie Ono , Ryu Miura

Ghost imaging LiDAR via sparsity constraints using push-broom scanning is proposed. It can image the stationary target scene continuously along the scanning direction by taking advantage of the relative movement between the platform and the…

Image and Video Processing · Electrical Eng. & Systems 2019-05-22 Shuang Ma , Zhentao Liu , Chenglong Wang , Chenyu Hu , Enrong Li , Wenlin Gong , Zhishen Tong , Jianrong Wu , Xia Shen , Shensheng Han

Ghost imaging incorporating deep learning technology has recently attracted much attention in the optical imaging field. However, deterministic illumination and multiple exposure are still essential in most scenarios. Here we propose a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-24 Ruiguo Zhu , Hong Yu , Zhijie Tan , Ronghua Lu , Shensheng Han , Zengfeng Huang , Jian Wang

We outline calibrated measurements of the microwave reflection coefficient from the tunnel junction of an ultra-high vacuum low temperature scanning tunneling microscope. The microwave circuit design is described in detail, including an…

Instrumentation and Detectors · Physics 2023-09-14 Bareld Wit , Georg Gramse , Stefan Müllegger

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

In this paper, we present a method for speckle pattern design using deep learning. The speckle patterns possess unique features after experiencing convolutions in Speckle-Net, our well-designed framework for speckle pattern generation. We…

Image and Video Processing · Electrical Eng. & Systems 2021-12-30 Xiaoyu Nie , Haotian Song , Wenhan Ren , Xingchen Zhao , Zhedong Zhang , Tao Peng , Marlan O. Scully

Infrared imaging is a crucial technique in a multitude of applications, including night vision, autonomous vehicles navigation, optical tomography, and food quality control. Conventional infrared imaging technologies, however, require the…

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

Conventional computational ghost imaging (CGI) uses light carrying a sequence of patterns with uniform-resolution to illuminate the object, then performs correlation calculation based on the light intensity value reflected by the target and…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Dong Zhou , Jie Cao , Huan Cui , Li-Xing Lin , Haoyu Zhang , Yingqiang Zhang , Qun Hao
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