Spatial information transmission analyzing method of optical system

A technology of information transmission and optical system, which is applied in the field of spatial imaging performance analysis of optical systems, and can solve problems such as undiscovered two-dimensional spatial imaging performance

Active Publication Date: 2015-02-18
严格集团股份有限公司
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Problems solved by technology

Therefore, no research results have been found on the use of information theory analysis methods to study the two-dimensional spatial imaging performance of optical systems.

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  • Spatial information transmission analyzing method of optical system
  • Spatial information transmission analyzing method of optical system
  • Spatial information transmission analyzing method of optical system

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[0031] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the present invention. within the scope of protection.

[0032] The present invention provides a new method for applying the analysis method of information theory to the performance analysis of spatial domain imaging of the optical system, and the specific steps are as follows:

[0033] The first step: one-dimensional processing of two-dimensional object matrix and image matrix.

[0034] Such as figure 1 As shown, the light intensity of a certain object point 2 on the two-dimensional object plane 1 is imaged as a diffuse spot 5 on the two-dimensional image plane 4 by the optical system 3, and the light inten...

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Abstract

The invention discloses a spatial information transmission analyzing method of an optical system and belongs to the technical field of information optics and optical system imaging performance analysis. The spatial information transmission analyzing method includes the steps of 1), one-dimensional processing on a two-dimensional object matrix and image matrix; 2), structuring of a spatial channel matrix of a two-dimensional optical system; 3), computing of spatial information transmission performance parameters of the optical system. An analytical method of the information theory is applied to spatial imaging performance analysis of the optical system, so that information transmission rules of the optical system can be more objectively described. After one-dimensional processing of the two-dimensional object matrix and image matrix, the spatial channel matrix of the two-dimensional optical system is written out according to a point spread function (PSF) of the optical system as well as corresponding relation of object elements with image elements, the computation method of images is changed into product computation of object vectors and the spatial channel matrix of the two-dimensional optical system from the convolution computation of objects and the PSF, and the information theory can be applied to evaluation of spatial imaging performance of the optical system.

Description

technical field [0001] The invention belongs to the technical field of information optics and imaging performance analysis of optical systems, and relates to a new method for applying the analysis method of information theory to the analysis of spatial imaging performance of optical systems. Background technique [0002] When using an optical system to image an object, both the object and the image carry information, and the purpose of taking pictures is to obtain as much information about the object as possible from the captured image. When analyzing the optical imaging process from the perspective of information transmission, the object to be observed by the optical system can be regarded as the source, the image formed by the optical system on the object can be regarded as the sink, and the optical system can be regarded as the channel. In this way, the ideas and methods of information theory can be used to study the information transfer law of the optical imaging system,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/00G01M11/02
CPCG01M11/02G02B27/00
Inventor 任智斌曲荣召郑烁马驰刘月智喜洋
Owner 严格集团股份有限公司
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