2016 Vol. 9, No. 1
2016, 9(1): 1-15.
doi: 10.3788/CO.20160901.0001
Abstract
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Abstract:
Photocatalysis has drawn much attention during past decades due to the potential applications in solving the current energy and environment crisis.The spectral response in wide range and high quantum efficiency are crucial to realize solar energy eff...
Photocatalysis has drawn much attention during past decades due to the potential applications in solving the current energy and environment crisis.The spectral response in wide range and high quantum efficiency are crucial to realize solar energy eff...
2016, 9(1): 16-29.
doi: 10.3788/CO.20160901.0016
Abstract:
In this paper, the research status and development tendency of star tracker technique are reviewed.Firstly, the development process of star tracker at home and abroad is summarized.Then, key techniques such as star centroid algorithm, star recognitio...
In this paper, the research status and development tendency of star tracker technique are reviewed.Firstly, the development process of star tracker at home and abroad is summarized.Then, key techniques such as star centroid algorithm, star recognitio...
2016, 9(1): 30-40.
doi: 10.3788/CO.20160901.0030
Abstract:
Sensing principle, classification, and main properties of the optical voltage sensor based on electroluminescent effect are reviewed and summarized.Current research status and important problems to be solved for this type of voltage sensor are analyz...
Sensing principle, classification, and main properties of the optical voltage sensor based on electroluminescent effect are reviewed and summarized.Current research status and important problems to be solved for this type of voltage sensor are analyz...
2016, 9(1): 41-50.
doi: 10.3788/CO.20160901.0041
Abstract:
Traditional image restoration is generally considered that point spread function(PSF) is space-invariant.However, the actual optical system suffering from various optical aberrations can not be strictly linear space invariant.Non-blind deconvolution(...
Traditional image restoration is generally considered that point spread function(PSF) is space-invariant.However, the actual optical system suffering from various optical aberrations can not be strictly linear space invariant.Non-blind deconvolution(...
2016, 9(1): 51-64.
doi: 10.3788/CO.20160901.0051
Abstract:
The basic theory, structure and performance of surface emitting distributed feedback semiconductor lasers(SE-DFB-LD) were demonstrated and described in this paper, and the present situation of research and development at home and abroad was summrred ...
The basic theory, structure and performance of surface emitting distributed feedback semiconductor lasers(SE-DFB-LD) were demonstrated and described in this paper, and the present situation of research and development at home and abroad was summrred ...
2016, 9(1): 65-73.
doi: 10.3788/CO.20160901.0065
Abstract:
In this paper, the significant results and important role of laser communication is introduced firstly, and the advantage and importance of airborne laser communication are explained.Then, the principle of airborne laser communication is presented, a...
In this paper, the significant results and important role of laser communication is introduced firstly, and the advantage and importance of airborne laser communication are explained.Then, the principle of airborne laser communication is presented, a...
2016, 9(1): 74-80.
doi: 10.3788/CO.20160901.0074
Abstract:
Video scene change detection has a very important role for video annotation and semantic search.This paper proposes a scene mutation change detection algorithm combined with SIFT(Scale Invariant Feature Transformation) feature point extraction.Firstl...
Video scene change detection has a very important role for video annotation and semantic search.This paper proposes a scene mutation change detection algorithm combined with SIFT(Scale Invariant Feature Transformation) feature point extraction.Firstl...
2016, 9(1): 81-88.
doi: 10.3788/CO.20160901.0081
Abstract:
In order to provide a robust multi-sensor image matching algorithm to satisfy the scale and rotation invariance, we put forward a new matching method based on key line segment pairs, inspired by the visual system in which most of the information of i...
In order to provide a robust multi-sensor image matching algorithm to satisfy the scale and rotation invariance, we put forward a new matching method based on key line segment pairs, inspired by the visual system in which most of the information of i...
2016, 9(1): 89-96.
doi: 10.3788/CO.20160901.0089
Abstract:
In order to reduce the aliasing artifact due to the finite resolution of shadow mapping in real-time rendering, we propose a hybrid-resolution shadow map based on a parallel line-sweep algorithm.First, our method generates a high-resolution depth map...
In order to reduce the aliasing artifact due to the finite resolution of shadow mapping in real-time rendering, we propose a hybrid-resolution shadow map based on a parallel line-sweep algorithm.First, our method generates a high-resolution depth map...
2016, 9(1): 97-105.
doi: 10.3788/CO.20160901.0097
Abstract:
A novel visual saliency computing model is proposed based on multi-scale region contrast to perform more accurate detection on salient object.Firstly, the image is divided into different number of super-pixels based on multi-scale method, and the val...
A novel visual saliency computing model is proposed based on multi-scale region contrast to perform more accurate detection on salient object.Firstly, the image is divided into different number of super-pixels based on multi-scale method, and the val...
2016, 9(1): 106-113.
doi: 10.3788/CO.20160901.0106
Abstract:
In order to correct the stripe nonuniformity for infrared images captured by infraed focal plane array(IRFPA), a novel stripe nonuniformity correction algorithm based on adaptive PM diffusion models for single infrared image is adopted.Firstly, the a...
In order to correct the stripe nonuniformity for infrared images captured by infraed focal plane array(IRFPA), a novel stripe nonuniformity correction algorithm based on adaptive PM diffusion models for single infrared image is adopted.Firstly, the a...
2016, 9(1): 114-121.
doi: 10.3788/CO.20160901.0114
Abstract:
To solve the hole-problem of the reconstructed surface in three dimensional laser scanning system, the hole-recognition and repair method based on the Floyd shortest path selection algorithm is proposed.We process one by one all the boundary points o...
To solve the hole-problem of the reconstructed surface in three dimensional laser scanning system, the hole-recognition and repair method based on the Floyd shortest path selection algorithm is proposed.We process one by one all the boundary points o...
2016, 9(1): 122-129.
doi: 10.3788/CO.20160901.0122
Abstract:
Special dispersion mechanism of optical glass is studied deeply in ths paper.The deviation of relative partial dispersion ΔPg, F from normal line is an important parameter to characterize the special dispersion property of optical glass.The optical g...
Special dispersion mechanism of optical glass is studied deeply in ths paper.The deviation of relative partial dispersion ΔPg, F from normal line is an important parameter to characterize the special dispersion property of optical glass.The optical g...
2016, 9(1): 130-136.
doi: 10.3788/CO.20160901.0130
Abstract:
In order to overcome the difficulty of testing large off-axis convex asphere, the convex asphere systemic stitching testing method combining with wave aberration testing and subaperture stitching interferometry(SSI) is proposed.The basic principle an...
In order to overcome the difficulty of testing large off-axis convex asphere, the convex asphere systemic stitching testing method combining with wave aberration testing and subaperture stitching interferometry(SSI) is proposed.The basic principle an...
2016, 9(1): 137-143.
doi: 10.3788/CO.20160901.0137
Abstract:
In order to avoid the polarization changes of the irradiation laser pulse, caused by the rotation of Dove prism in the co-aperture optical system of airborne electro-optical pod, the polarization properties of the Dove prism and the compensation of t...
In order to avoid the polarization changes of the irradiation laser pulse, caused by the rotation of Dove prism in the co-aperture optical system of airborne electro-optical pod, the polarization properties of the Dove prism and the compensation of t...
2016, 9(1): 144-154.
doi: 10.3788/CO.20160901.0144
Abstract:
To improve the detecting precision of the spectral-polarimetric modulator, a high accuracy alignment of the modulator is established.First, based on the modulation principle of the spectral-polarimetric modulator, a method of alignment using three pi...
To improve the detecting precision of the spectral-polarimetric modulator, a high accuracy alignment of the modulator is established.First, based on the modulation principle of the spectral-polarimetric modulator, a method of alignment using three pi...
2016, 9(1): 155-166.
doi: 10.3788/CO.20160901.0155
Abstract:
In order to improve the material removal rate and reduce the fabricating cycle of large aperture optical components, a new type of high-efficiency polishing method combined with self-rotation and co-rotation movement is proposed in this paper.The str...
In order to improve the material removal rate and reduce the fabricating cycle of large aperture optical components, a new type of high-efficiency polishing method combined with self-rotation and co-rotation movement is proposed in this paper.The str...
