JP2005130533A5 - - Google Patents

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JP2005130533A5
JP2005130533A5 JP2005031858A JP2005031858A JP2005130533A5 JP 2005130533 A5 JP2005130533 A5 JP 2005130533A5 JP 2005031858 A JP2005031858 A JP 2005031858A JP 2005031858 A JP2005031858 A JP 2005031858A JP 2005130533 A5 JP2005130533 A5 JP 2005130533A5
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Prior art keywords
signal
color
contour correction
band
correction signal
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JP2005031858A
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Japanese (ja)
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JP2005130533A (en
JP4035542B2 (en
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Priority to JP2005031858A priority Critical patent/JP4035542B2/en
Priority claimed from JP2005031858A external-priority patent/JP4035542B2/en
Publication of JP2005130533A publication Critical patent/JP2005130533A/en
Publication of JP2005130533A5 publication Critical patent/JP2005130533A5/ja
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Publication of JP4035542B2 publication Critical patent/JP4035542B2/en
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Claims (6)

被写体像を撮像して撮像信号を出力する撮像素子と、
前記撮像信号を複数の異なる色信号に色分離する色分離手段と、
前記色分離手段で色分離された色信号ごとに帯域制限をする帯域制限手段と、
前記帯域制限手段で帯域制限された色信号から垂直方向の輪郭補正信号を生成する垂直輪郭補正信号生成手段と、
を有することを特徴とする撮像装置。
An image sensor that captures a subject image and outputs an image signal;
Color separation means for color-separating the imaging signal into a plurality of different color signals;
Band limiting means for limiting the band for each color signal color-separated by the color separating means;
Vertical contour correction signal generating means for generating a vertical contour correction signal from the color signal band-limited by the band limiting means;
An imaging device comprising:
前記帯域制限手段は、色信号の水平方向の高周波数成分を除去する帯域制限を行うことを特徴とする請求項1に記載の撮像装置。 The imaging apparatus according to claim 1, wherein the band limiting unit performs band limitation to remove a high frequency component in a horizontal direction of the color signal. 前記撮像素子は、Rフィルタ、フィルタ及びフィルタから構成される色フィルタを備え、
前記色分離手段は、前記撮像信号をR信号と、B信号と、前記色フィルタの垂直方向に位置が異なる3つのG信号とに分離し、
前記帯域制限手段は、前記色分離手段で色分離された色信号ごとに帯域制限を行い、
前記垂直輪郭補正信号生成手段は、前記帯域制限手段によって帯域制限された前記3つのG信号に基づいて前記垂直方向の輪郭補正信号を生成することを特徴とする請求項1に記載の撮像装置。
The imaging device includes a color filter including an R filter, a G filter, and a B filter ,
The color separation unit separates the imaging signal into an R signal, a B signal, and three G signals that are different in position in the vertical direction of the color filter,
The band limiting unit performs band limitation for each color signal color-separated by the color separation unit,
The imaging apparatus according to claim 1, wherein the vertical contour correction signal generation unit generates the vertical contour correction signal based on the three G signals band-limited by the band limitation unit.
前記3つのG信号のうち、1つのG信号から水平方向の輪郭補正信号を生成する水平輪郭補正信号生成手段を更に有することを特徴とする請求項3に記載の撮像装置。   The imaging apparatus according to claim 3, further comprising a horizontal contour correction signal generating unit that generates a horizontal contour correction signal from one G signal among the three G signals. 前記垂直方向の輪郭補正信号によって垂直方向の輪郭が補正され、かつ、前記水平方向の輪郭補正信号によって水平方向の輪郭が補正された色信号から映像信号を出力する映像信号出力手段を更に有し、
前記帯域制限手段は、前記映像信号のための色信号を出力するとともに、前記垂直方向の輪郭補正信号のための色信号を出力することを特徴とする請求項4に記載の撮像装置。
Video signal output means for outputting a video signal from a color signal in which a vertical contour is corrected by the vertical contour correction signal and a horizontal contour is corrected by the horizontal contour correction signal. ,
5. The imaging apparatus according to claim 4, wherein the band limiting unit outputs a color signal for the video signal and a color signal for the contour correction signal in the vertical direction.
前記垂直方向の輪郭補正信号によって垂直方向の輪郭が補正され、かつ、前記水平方向の輪郭補正信号によって水平方向の輪郭が補正された色信号ごとにガンマ補正を行うガンマ補正手段を更に有することを特徴とする請求項4に記載の撮像装置。   Gamma correction means for performing gamma correction for each color signal whose vertical contour is corrected by the vertical contour correction signal and whose horizontal contour is corrected by the horizontal contour correction signal. The imaging apparatus according to claim 4, wherein the imaging apparatus is characterized.
JP2005031858A 2005-02-08 2005-02-08 Imaging device Expired - Fee Related JP4035542B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005031858A JP4035542B2 (en) 2005-02-08 2005-02-08 Imaging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005031858A JP4035542B2 (en) 2005-02-08 2005-02-08 Imaging device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP13028996A Division JP3761971B2 (en) 1996-05-24 1996-05-24 Imaging device

Publications (3)

Publication Number Publication Date
JP2005130533A JP2005130533A (en) 2005-05-19
JP2005130533A5 true JP2005130533A5 (en) 2007-01-18
JP4035542B2 JP4035542B2 (en) 2008-01-23

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Family Applications (1)

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JP2005031858A Expired - Fee Related JP4035542B2 (en) 2005-02-08 2005-02-08 Imaging device

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JP (1) JP4035542B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6314477B2 (en) * 2013-12-26 2018-04-25 ソニー株式会社 Electronic devices

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