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Imaging system and imaging program

A technology of camera system and color camera, applied in the field of camera system

Active Publication Date: 2013-03-27
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in the conventional methods of the above-mentioned JP-A-2001-78202, JP-A-2004-186879, JP-A-2005-311581 In this method, it is impossible to deal with the problem of estimating the spectral characteristics with stable and appropriate accuracy by removing the factors that affect the estimation of the spectral characteristics.

Method used

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  • Imaging system and imaging program
  • Imaging system and imaging program
  • Imaging system and imaging program

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no. 1 Embodiment approach

[0044] Figure 1 to Figure 12 Regarding the first embodiment of the present invention, figure 1 It is the configuration of the imaging system of the first embodiment of the present invention picture , figure 2 is a description relative to the local area picture , image 3 is the structure of the verification section picture , Figure 4 It is the structure of the calibration section picture , Figure 5 It is a description related to the separation and synthesis of signals picture , Image 6 is the description associated with the smoothing filter picture , Figure 7 are instructions related to the selection of the smoothing filter picture , Figure 8 It is the structure of the estimation department picture , Figure 9 is the structure of the estimated part of another structure picture , Figure 10 It is the structure of the color processing section picture , Figure 11 It is another configuration of the first embodiment picture , Figure 12 It is...

no. 2 Embodiment approach

[0116] Figure 13 to Figure 18 Regarding the second embodiment of the present invention, FIG. 13 shows the configuration of the imaging system of the second embodiment. picture , Figure 14 is a description relative to the local area picture , Figure 15 is the structure of the verification section picture , Figure 16 It is the structure of the calibration section picture , Figure 17 It is the structure of the estimation department picture , Figure 18 Shows the flow of signal processing in the second embodiment picture .

[0117] [structure]

[0118] Fig. 13 is the structure of the second embodiment of the present invention picture . This embodiment adopts such a structure: figure 1 In the first embodiment shown, a liquid crystal filter 700 , an interpolation unit 701 , a buffer 702 , and an amplification unit 706 as an amplification processing unit are added, the verification unit 112 is replaced by a verification unit 703 , and the correction unit 113...

no. 3 Embodiment approach

[0149] Figure 19 to Figure 25 Regarding the third embodiment of the present invention, Figure 19 It is the configuration of the imaging system of the third embodiment picture , Figure 20 is the structure of the verification section picture , Figure 21 is a description related to labeling picture , Figure 22 It is the structure of the calibration section picture , Figure 23 It is the structure of the estimation department picture , Figure 24 It is the structure of the color processing section picture , Figure 25 It is the flow of signal processing in the third embodiment picture .

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Abstract

An image pickup system configured to perform an estimation for an unknown spectral characteristic related to a subject or an illumination light on the basis of an image signal from a color image sensor system, includes: a control unit for performing a control to change a predetermined spectral characteristic in the color image sensor system in a time series manner and cause a plurality of image pickup operations; a verification unit for verifying a reliability related to the plurality of image signals; a correction unit for performing a correction processing on the plurality of image signals on the basis of the reliability; and an estimation unit for performing the estimation for an unknown spectral characteristic related to the subject or the illumination light on the basis of the plurality of image signals on which the correction processing is performed.

Description

technical field [0001] The present invention relates to an imaging system for estimating the spectral characteristics of an object or illumination light, and more particularly to an imaging system capable of preventing noise contained in an image signal, false colors accompanying interpolation processing, and movement deviation of an object. An imaging system that can estimate the estimation error of the estimation error with high precision. Background technique [0002] As a conventional technique for estimating unknown spectral characteristics related to the subject or illumination light, there is a method of using the presence or absence of external illumination, insertion of a filter into the optical path, imaging elements with different spectral characteristics, etc. A plurality of video signals having different spectral characteristics at the time of imaging are obtained, and the spectral characteristics are approximately calculated from these video signals. For exam...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/04H04N9/07H04N9/09
CPCH04N5/2354H04N5/353H04N9/045H04N9/64H04N5/23212H04N9/04H04N9/735H04N23/74H04N25/53H04N23/10H04N25/136H04N23/843H04N25/134H04N23/88
Inventor 鹤冈建夫
Owner OLYMPUS CORP
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