JP2005167896A5 - - Google Patents
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- JP2005167896A5 JP2005167896A5 JP2003407213A JP2003407213A JP2005167896A5 JP 2005167896 A5 JP2005167896 A5 JP 2005167896A5 JP 2003407213 A JP2003407213 A JP 2003407213A JP 2003407213 A JP2003407213 A JP 2003407213A JP 2005167896 A5 JP2005167896 A5 JP 2005167896A5
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- Japan
- Prior art keywords
- generating
- color
- aperture correction
- correction signal
- chromatic aberration
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Claims (3)
前記生成された色信号から輝度信号を生成する輝度信号生成手段と、
前記複数の色信号を混合してアパーチャ補正信号を生成するアパーチャ補正信号生成手段と、
前記輝度信号に、前記アパーチャ補正信号生成手段で生成されたアパーチャ補正信号を加算する加算手段と、
前記レンズの色収差量を検出または推定する色収差量取得手段と、を備え、
前記アパーチャ補正信号生成手段は、前記アパーチャ補正信号を生成する際に、前記色収差量取得手段で取得された色収差量に応じて、前記複数の色信号の混合割合を変える、
画像信号処理装置。 An image sensor comprising a color filter having a plurality of color filters, photoelectrically converting incident light that has passed through a lens, and generating a plurality of color signals corresponding to each of the plurality of color filters;
Luminance signal generation means for generating a luminance signal from the generated color signal;
An aperture correction signal generating means for generating an aperture correction signal by mixing the plurality of color signals;
Adding means for adding the aperture correction signal generated by the aperture correction signal generating means to the luminance signal;
Chromatic aberration amount acquisition means for detecting or estimating the chromatic aberration amount of the lens ,
The aperture correction signal generation unit changes the mixing ratio of the plurality of color signals according to the chromatic aberration amount acquired by the chromatic aberration amount acquisition unit when generating the aperture correction signal.
Image signal processing device.
前記生成された色信号から輝度信号を生成する輝度信号生成ステップと、
前記複数の色信号を混合してアパーチャ補正信号を生成するアパーチャ補正信号生成ステップと、
前記輝度信号に、前記アパーチャ補正信号生成ステップで生成されたアパーチャ補正信号を加算する加算ステップと、
前記レンズの色収差量を検出または推定する色収差量取得ステップと、を備え、
前記アパーチャ補正信号生成ステップにおいて、前記アパーチャ補正信号を生成する際に、前記色収差量取得ステップで取得された色収差量に応じて、前記複数の色信号の混合割合を変える、
画像信号処理方法。 Imaging device having a color filter having a plurality of color filters and photoelectric conversion of incident light passing through the lens, and a color signal generating step of generating a plurality of color signals corresponding to each of the plurality of color filters,
A luminance signal generation step of generating a luminance signal from the generated color signal;
An aperture correction signal generating step of generating an aperture correction signal by mixing the plurality of color signals;
An addition step of adding the aperture correction signal generated in the aperture correction signal generation step to the luminance signal;
A chromatic aberration amount obtaining step for detecting or estimating a chromatic aberration amount of the lens , and
In the aperture correction signal generation step, when generating the aperture correction signal, the mixing ratio of the plurality of color signals is changed according to the chromatic aberration amount acquired in the chromatic aberration amount acquisition step.
Image signal processing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003407213A JP4385748B2 (en) | 2003-12-05 | 2003-12-05 | Image signal processing apparatus and image signal processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003407213A JP4385748B2 (en) | 2003-12-05 | 2003-12-05 | Image signal processing apparatus and image signal processing method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005167896A JP2005167896A (en) | 2005-06-23 |
| JP2005167896A5 true JP2005167896A5 (en) | 2007-01-11 |
| JP4385748B2 JP4385748B2 (en) | 2009-12-16 |
Family
ID=34729327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003407213A Expired - Fee Related JP4385748B2 (en) | 2003-12-05 | 2003-12-05 | Image signal processing apparatus and image signal processing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4385748B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775936A4 (en) | 2004-06-22 | 2016-05-11 | Nikon Corp | Image processing device emphasizing on texture, image processing program, electronic camera, and image processing method |
| JP4752912B2 (en) | 2006-02-27 | 2011-08-17 | 株式会社ニコン | Image processing apparatus, image processing program, image processing method, and electronic camera for correcting texture of image |
| EP1993070B1 (en) | 2006-03-01 | 2013-09-18 | Nikon Corporation | Image processing device for image-analyzing magnification color aberration, image processing program, electronic camera, and image processing method for image analysis of chromatic aberration of magnification |
| JP5241823B2 (en) * | 2009-07-21 | 2013-07-17 | キヤノン株式会社 | Image processing apparatus, image processing method, program, and storage medium for correcting chromatic aberration |
| CN103957392B (en) * | 2009-07-21 | 2016-06-01 | 佳能株式会社 | Image processing equipment and image processing method |
| CN103563361B (en) | 2011-09-29 | 2015-04-29 | 富士胶片株式会社 | Device and method for image processing and imaging device |
-
2003
- 2003-12-05 JP JP2003407213A patent/JP4385748B2/en not_active Expired - Fee Related
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