Gonçalo Valadão,José Bioucas-Dias
Gonçalo Valadão
An absolute phase estimation algorithm for interferometric applications is introduced. The approach is Bayesian. Besides coping with the 2pi-periodic sinusoidal nonlinearity in the observations, the proposed methodology assumes a first-orde...
Simple cell response properties imply receptive field structure: balanced Gabor and/or bandlimited field functions [0.03%]
简单的细胞反应属性表明了感受野的结构：平衡的Gabor和/或带宽限制的场所功能
Davis Cope,Barbara Blakeslee,Mark E McCourt
Davis Cope
The classical receptive fields of simple cells in mammalian primary visual cortex demonstrate three cardinal response properties: (1) they do not respond to stimuli that are spatially homogeneous; (2) they respond best to stimuli in a prefe...
Anthony Accardi,Gregory Wornell
Anthony Accardi
Imaging technologies such as dynamic viewpoint generation are engineered for incoherent radiation using the traditional light field, and for coherent radiation using electromagnetic field theory. We present a model of coherent image formati...
ABCD matrices as similarity transformations of Wigner matrices and periodic systems in optics [0.03%]
Wigner矩阵的相似变换以及光学中的周期系统 ABCD矩阵的应用
S Başkal,Y S Kim
S Başkal
It is shown that every ray transfer matrix, often called the ABCD matrix, can be written as a similarity transformation of one of the Wigner matrices that dictate the internal space-time symmetries of relativistic particles, while the trans...
Mayukh Lahiri,Emil Wolf
Mayukh Lahiri
Properties of random media are frequently investigated by studying their interactions with stochastic electromagnetic fields. However, a stochastic beam does not necessarily retain its beamlike form on scattering, and the theory of stochast...
David S Monaghan,Unnikrishnan Gopinathan,Guohai Situ et al.
David S Monaghan et al.
The amplitude-encoding case of the double random phase encoding technique is examined by defining a cost function as a metric to compare an attempted decryption against the corresponding original input image. For the case when a cipher-text...
Michael Gad,David Yevick,Paul Jessop
Michael Gad
A signal interleaver/ deinterleaver based on ring resonators is proposed and analyzed with the transfer matrix and the Z-transform techniques. The proposed structure is composed of rings connected in a closed loop and is termed a "compound ...
Propagation of nonparaxial partially coherent fields across interfaces using generalized radiometry [0.03%]
利用广义辐射度研究非傍轴部分相干场的界面传播问题
Jonathan C Petruccelli,Miguel A Alonso
Jonathan C Petruccelli
A radiometric framework is described for modeling the propagation of nonparaxial scalar fields of any degree of coherence past planar boundaries (or composite interfaces) between homogeneous, isotropic nonabsorptive media in three dimension...
Weijuan Qu,Chee Oi Choo,Vijay Raj Singh et al.
Weijuan Qu et al.
In digital holographic microscopy, if an optical setup is well aligned, the phase curvature introduced by the microscope objective (MO) together with the illuminating wave to the object wave is a spherical phase curvature. It can be physica...
Time gate, optical layout, and wavelength effects on ballistic imaging [0.03%]
时间门、光学布局及波长对自由飞行成像的影响
Saïd Idlahcen,Loïc Méès,Claude Rozé et al.
Saïd Idlahcen et al.
A method to distinguish a hidden object from a perturbing environment is to use an ultrashort femtosecond pulse of light and a time-resolved detection. To separate ballistic light containing information on a hidden object from multiscattere...