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Related papers: Ghost imaging with the human eye

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We discuss the variational method used in lattice spectroscopy calculations. In particular we address the role of ghost contributions which appear in quenched or partially quenched simulations and have a non-standard euclidean time…

High Energy Physics - Lattice · Physics 2009-11-11 Tommy Burch , Christof Gattringer , Leonid Ya. Glozman , Christian Hagen , C. B. Lang

A special algorithm for the Fourier-transform Ghost Imaging (GI) scheme is discussed based on the Compressive Sampling (CS) theory. The CS algorithm could also be used for the Fourier spectrum reconstruction of pure phase object by setting…

Optics · Physics 2015-03-13 Hui Wang , Shensheng Han

Most of the current techniques for face recognition require the presence of a full face of the person to be recognized, and this situation is difficult to achieve in practice, the required person may appear with a part of his face, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Osama R. Shahin , Rami Ayedi , Alanazi Rayan , Rasha M. Abd El-Aziz , Ahmed I. Taloba

Artificial intelligence has recently been widely used in computational imaging. The deep neural network (DNN) improves the signal-to-noise ratio of the retrieved images, whose quality is otherwise corrupted due to the low sampling ratio or…

Image and Video Processing · Electrical Eng. & Systems 2022-12-16 Wenhan Ren , Xiaoyu Nie , Tao Peng , Marlan O. Scully

A transparent polarisation sensitive phase pattern exhibits a position and polarisation dependent phase shift of transmitted light and it represents a unitary transformation. A quantum ghost image of this pattern is produced with…

Quantum Physics · Physics 2023-03-14 Aditya Saxena , Manpreet Kaur , Vipin Devrari , Mandip Singh

Ghost imaging (GI) is a novel imaging method, which can reconstruct the object information by the light intensity correlation measurements. However, at present, the field of view (FOV) is limited to the illuminating range of the light…

Optics · Physics 2021-11-24 Huan Cui , Jie Cao , Qun Hao , Dong Zhou , Mingyuan Tang , Kaiyu Zhang , Yingqiang Zhang

Computational time reversal imaging can be used to locate the position of multiple scatterers in a known background medium. Here, we discuss a sparse approximation method for computational time-reversal imaging. The method is formulated…

Other Quantitative Biology · Quantitative Biology 2009-04-23 M. Andrecut

While deep learning surpasses human-level performance in narrow and specific vision tasks, it is fragile and over-confident in classification. For example, minor transformations in perspective, illumination, or object deformation in the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Maryam Daniali , Edward Kim

With a single eye fixation lasting a fraction of a second, the human visual system is capable of forming a rich representation of a complex environment, reaching a holistic understanding which facilitates object recognition and detection.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Mason Liu , Menglong Zhu , Marie White , Yinxiao Li , Dmitry Kalenichenko

We show that, when the integration time of the single photon detectors is longer than the correlation time of the biphoton, the attainable spatial resolution in ghost imaging with entangled signal idler pairs generated in type II…

Quantum Physics · Physics 2019-10-02 J. Reintjes , Mark Bashkansky

Illusions are fascinating and immediately catch people's attention and interest, but they are also valuable in terms of giving us insights into human cognition and perception. A good theory of human perception should be able to explain the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-11 Nasim Nematzadeh , David M. W. Powers , Trent Lewis

Achieving human-like memory recall in artificial systems remains a challenging frontier in computer vision. Humans demonstrate remarkable ability to recall images after a single exposure, even after being shown thousands of images. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Virgile Foussereau , Robin Dumas

Temporal Ghost Imaging (TGI), which reconstructs fast temporal signals using a slow detector, holds significant potential in optical communication, high-speed imaging, and quantum information processing. However, achieving high-quality…

We propose a new local-binary ghost imaging by using point-by-point method. This method can compensate the degradation of imaging quality due to the loss of information during binarization process. The numerical and experimental results…

Image and Video Processing · Electrical Eng. & Systems 2020-12-30 Ning Zhang , Yanfeng Bai , Xuanpengfan Zou , Xiquan Fu

Research on human face processing using eye movements has provided evidence that we recognize face images successfully focusing our visual attention on a few inner facial regions, mainly on the eyes, nose and mouth. To understand how we…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 Carlos E. Thomaz , Vagner Amaral , Gilson A. Giraldi , Duncan F. Gillies , Daniel Rueckert

Many significant results have been achieved in the fields of ghost imaging, in which the beam splitter is an indispensable optical component. This paper introduces a method to realize ghost imaging without beam splitter. And we study this…

Optics · Physics 2015-05-13 Shibei He , Xia Shen , Hui Wang , Wenlin Gong , Shengsheng Han

Recently, ghost imaging has been attracting attentions because its mechanism would lead to many applications inaccessible to conventional imaging methods. However, it is challenging for high contrast and high resolution imaging, due to its…

Image and Video Processing · Electrical Eng. & Systems 2020-01-08 Mengjia Xi , Hui Chen , Yuan Yuan , Gao Wang , Yuchen He , Yan Liang , Jianbin Liu , Huaibin Zheng , Zhuo Xu

Computational time reversal imaging can be used to locate the position of multiple scatterers in a known background medium. The current methods for computational time reversal imaging are based on the null subspace projection operator,…

Data Analysis, Statistics and Probability · Physics 2009-06-16 M. Andrecut

Photo collections and its applications today attempt to reflect user interactions in various forms. Moreover, photo collections aim to capture the users' intention with minimum effort through applications capturing user intentions. Human…

Computer Vision and Pattern Recognition · Computer Science 2016-01-13 Jinsoo Choi , Tae-Hyun Oh , In So Kweon

We describe the application of convolutional neural network style transfer to the problem of improved visualization of underdrawings and ghost-paintings in fine art oil paintings. Such underdrawings and hidden paintings are typically…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Anthony Bourached , George Cann , Ryan-Rhys Griffiths , David G. Stork