Full-color holographic system featuring three-dimensional salient object detection based on a U2-RAS network [0.03%]
基于U2-RAS网络的全彩全息系统中的三维显著对象检测
Jing-Wen Bu,Yu Zhao,Jia-Hui Ji
Jing-Wen Bu
In this study, a 3D salient object detection model is built at the acquisition step in the full-color holographic system, and a deep network architecture U 2-reverse attention and residual learning (RAS) algorithm is proposed for salient ob...
Modeling surface color discrimination under different lighting environments using image chromatic statistics and convolutional neural networks [0.03%]
基于图像色彩统计和卷积神经网络的光照环境下物体表面颜色辨别模型研究
Samuel Ponting,Takuma Morimoto,Hannah E Smithson
Samuel Ponting
We modeled discrimination thresholds for object colors under different lighting environments [J. Opt. Soc. Am. 35, B244 (2018)]. First, we built models based on chromatic statistics, testing 60 models in total. Second, we trained convolutio...
Luis Garza-Soto,Nathan Hagen,Dorilian Lopez-Mago et al.
Luis Garza-Soto et al.
Since Pancharatnam's 1956 discovery of optical geometric phase and Berry's 1984 discovery of geometric phase in quantum systems, researchers analyzing geometric phase have focused almost exclusively on algebraic approaches using the Jones c...
Intrinsic aberration coefficients for plane-symmetric optical systems consisting of spherical surfaces [0.03%]
由球面组成的平面光学系统的固有像差系数
Yuxuan Liu,Jessica Steidle,Jannick P Rolland
Yuxuan Liu
This paper presents the analytical form of the intrinsic aberration coefficients for spherical plane-symmetric optical systems expressed as a function of first-order system parameters and the paraxial chief and marginal ray angles and heigh...
Multiple motion picture recording in light-in-flight recording by holography with an angular multiplexing technique [0.03%]
基于角复用全息技术的光在飞行记录电影式多重运动图像
Tomoyoshi Inoue,Takashi Kakue,Kenzo Nishio et al.
Tomoyoshi Inoue et al.
Light-in-flight recording by holography (LIF holography) is an ultrafast imaging technique for recording light pulse propagation as a motion picture. In this study, we propose and demonstrate multiple motion picture recordings of light puls...
A Yu Okulov
A Yu Okulov
The twin beam vortex interferometer with a phase-conjugating mirror in a rotating reference frame is analyzed. The circular motion of the interference pattern occurs due to the exchange of angular momenta between photons and the interferome...
Jinfu Liu,Ying Feng,Xiaoling Ji et al.
Jinfu Liu et al.
A new class of partially coherent sources that can produce stable rotating anisotropic rectangular hollow Gaussian array profiles in the far field is presented. The cross-spectral density function and the spectral density of this kind of so...
Research on calibration of a binocular stereo-vision imaging system based on the artificial neural network [0.03%]
基于人工神经网络的双目立体视觉系统标定研究
FangFang Han,YongXin Bian,Bin Liu et al.
FangFang Han et al.
Camera calibration is a key problem for 3D reconstruction in computer vision. Existing calibration methods, such as traditional, active, and self-calibration, all need to solve the internal and external parameters of the imaging system to c...
On the independent significance of generalizations of the Wigner distribution function [0.03%]
广义Wigner分布函数的独立意义
Yushi Zheng,John J Healy
Yushi Zheng
The Wigner distribution function (WDF) is a significant time-frequency analysis tool in, e.g., the theory of optical coherence and signal processing. Recently, various generalizations of the WDF associated with linear canonical transforms h...
Double-function enhancement algorithm for low-illumination images based on retinex theory [0.03%]
基于_retinex_理论的低照度图像双功能增强算法
Liwei Chen,Yanyan Liu,Guoning Li et al.
Liwei Chen et al.
In order to solve the problems of noise amplification and excessive enhancement caused by low contrast and uneven illumination in the process of low-illumination image enhancement, a high-quality image enhancement algorithm is proposed in t...