Super-resolution CT image reconstruction based on dictionary learning and sparse representation

C Jiang, Q Zhang, R Fan, Z Hu - Scientific reports, 2018 - nature.com
In this paper, a single-computed tomography (CT) image super-resolution (SR)
reconstruction scheme is proposed. This SR reconstruction scheme is based on sparse …

Optical realization of the radon transform

T Ilovitsh, A Ilovitsh, J Sheridan, Z Zalevsky - Optics express, 2014 - opg.optica.org
This paper presents a novel optical system for the realization of the Radon transform in a
single frame. The optical system is simple, fast and accurate and consists of a 4F system …

Optical implementation of the generalized Hough transform with totally incoherent light

A Fernández, JR Alonso, GA Ayubi, M Osorio… - Optics Letters, 2015 - opg.optica.org
The generalized Hough transform is a well-established technique for detecting complex
shapes in images containing noisy or missing data. We present an efficient optical …

Super-resolution imaging using compressive sensing and binary pure-phase annular filter

Y Sun, G Gu, X Sui, Y Li, S Xu - IEEE Photonics Journal, 2017 - ieeexplore.ieee.org
Super-resolution is an important goal for the diffraction-limited optical system. In this paper,
we present a novel technique that exceeds the limit of resolving power of the diffraction …

Compressed sensing imaging system based on improved theoretical model and its weighted iterative strategy

YH Li, XD Wang, Z Wang - Optics Communications, 2019 - Elsevier
Based on the characteristic analysis of the traditional block-based compressed sensing
system, an improved compressed sensing theory model is proposed in this paper, and its …

Single exposure superresolution restoration for optical sparse aperture based on random convolution

L Liu, C Guo, Y He - Optical Engineering, 2017 - spiedigitallibrary.org
A single exposure superresolution (SR) restoration algorithm for an optical sparse aperture
(OSA) imaging system based on random convolution is proposed. The low-resolution image …

Hurdles in the implementation of compressive sensing for imaging and ways to overcome them

A Stern, IY August, Y Oiknine - Computational Imaging, 2016 - spiedigitallibrary.org
The theory of compressive sensing (CS) has opened up new opportunities in the field of
imaging. However, its implementation in this field is often not straight-forward and the optical …

Super-resolving optical systems based on compressive sensing

A Stern, A Yitzhak, V Farber… - 2014 13th Workshop on …, 2014 - ieeexplore.ieee.org
The theory of compressive sensing and sparse representations broke the traditional linkage
between the resolution of the optical signals and the bandwidth of the acquisition process …

High-Speed White Light Interferometry for Imaging Applications

EC Landsiedel - 2019 - search.proquest.com
An extended depth of field imaging system was developed for in-line inspection for the
semiconductor industry. The system produces a single, two-dimensional, in-focus image of …

Super-resolution hyperspectral compressed sampling imaging by push-broom coded aperture

M Li, W Wang, J Qi, W Wang, J Liu… - Advanced Optical …, 2019 - spiedigitallibrary.org
Super-resolution hyperspectral imaging is a key technology for many applications,
especially in the fields of remote sensing, military, agriculture, and geological exploration …