JP2004088247A5 - - Google Patents
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- JP2004088247A5 JP2004088247A5 JP2002243881A JP2002243881A JP2004088247A5 JP 2004088247 A5 JP2004088247 A5 JP 2004088247A5 JP 2002243881 A JP2002243881 A JP 2002243881A JP 2002243881 A JP2002243881 A JP 2002243881A JP 2004088247 A5 JP2004088247 A5 JP 2004088247A5
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複数の異なる輝度情報を持つ基準チャートを基準カメラによって撮影した基準画像データと、前記基準チャートを参照カメラによって撮影した参照画像データとに基づいて算出される前記参照画像データを基準画像データに一致させるための補正パラメータに基づいて、前記参照カメラによって撮影された画像データの補正処理を実行する補正処理部を有することを特徴とする画像処理装置。An image processing apparatus that performs image correction processing of multi-viewpoint images captured by a plurality of cameras,
The reference image data calculated based on the reference image data obtained by photographing a reference chart having a plurality of different luminance information with a reference camera and the reference image data obtained by photographing the reference chart with a reference camera is matched with the reference image data. An image processing apparatus comprising: a correction processing unit that executes correction processing of image data captured by the reference camera based on a correction parameter for use in image processing.
前記基準チャートを基準カメラによって撮影した基準画像データに含まれる基準画像データをC'=[Rb,Gb,Bb]、前記参照画像データに含まれる参照画像データをC=[Rr,Gr,Br]としたとき、
C'=MC+Vとして求められるMおよびVの値によって構成される補正パラメータであることを特徴とする請求項1に記載の画像処理装置。The correction parameter is
C ′ = [R b , G b , B b ] included in the standard image data obtained by capturing the standard chart with the standard camera, and C = [R r , reference image data included in the reference image data. G r , B r ]
The image processing apparatus according to claim 1, wherein the image processing apparatus is a correction parameter configured by M and V values obtained as C ′ = MC + V.
前記基準チャートを基準カメラによって撮影した基準画像データに含まれるN個の輝度データを[Rbi ,Gbi ,Bbi ](i=1〜N)、前記参照画像データに含まれるN個の輝度データを[Rri ,Gri ,Bri ](i=1〜N)としたとき、
R、G、Bに関する補正パラメータをそれぞれ
R b =C r P R 、
G b =C r P G 、
B b =C r P B 、
ただし、
[R bi , G bi , B bi ] (i = 1 to N) are included in the standard image data obtained by photographing the standard chart with the standard camera, and the N luminances included in the reference image data. When the data is [R ri , G ri , B ri ] (i = 1 to N),
Correction parameters for R, G, B
R b = C r P R,
G b = C r P G ,
B b = C r P B ,
However,
複数の異なる輝度情報を持つ基準チャートを基準カメラによって撮影した基準画像データと、前記基準チャートを参照カメラによって撮影した参照画像データとに基づいて、前記参照画像データと基準画像データに含まれる前記複数の異なる輝度情報各々に対応する差分データの絶対値平均値と、前記差分データが最大となるときの符号を、前記参照カメラに対するキャリブレーション情報として算出する演算部、
を有することを特徴とするカメラキャリブレーション処理装置。A camera calibration processing device that executes calibration processing as adjustment processing for a plurality of cameras that capture multi-viewpoint images,
The plurality of reference images included in the reference image data and the reference image data based on reference image data obtained by photographing a reference chart having a plurality of different luminance information with a reference camera and reference image data obtained by photographing the reference chart with a reference camera. An arithmetic unit that calculates an absolute value average value of difference data corresponding to each of different luminance information and a sign when the difference data is maximum as calibration information for the reference camera;
A camera calibration processing apparatus.
前記基準チャートを基準カメラによって撮影した基準画像データに含まれるN個の輝度データを[Rbi,Gbi,Bbi](i=1〜N)、前記参照画像データに含まれるN個の輝度データを[Rri,Gri,Bri](i=1〜N)としたとき、
[R bi , G bi , B bi ] (i = 1 to N) are included in the standard image data obtained by photographing the standard chart with the standard camera, and the N luminances included in the reference image data. When the data is [R ri , G ri , B ri ] (i = 1 to N),
複数の異なる輝度情報を持つ基準チャートを基準カメラによって撮影した基準画像データと、前記基準チャートを参照カメラによって撮影した参照画像データとに基づいて算出される前記参照画像データを基準画像データに一致させるための補正パラメータに基づいて、前記参照カメラによって撮影された画像データの補正処理を実行するステップ、
を有することを特徴とする画像処理方法。An image processing method for performing image correction processing of multi-viewpoint images captured by a plurality of cameras,
The reference image data calculated based on the reference image data obtained by photographing a reference chart having a plurality of different luminance information with a reference camera and the reference image data obtained by photographing the reference chart with a reference camera is matched with the reference image data. Executing correction processing of image data captured by the reference camera based on a correction parameter for
An image processing method comprising:
複数の異なる輝度情報を持つ基準チャートを基準カメラによって撮影した基準画像データと、前記基準チャートを参照カメラによって撮影した参照画像データとに基づいて、前記参照画像データと基準画像データに含まれる前記複数の異なる輝度情報各々に対応する差分データの絶対値平均値と、前記差分データが最大となるときの符号を、前記参照カメラに対するキャリブレーション情報として算出する演算ステップ、
を有することを特徴とするカメラキャリブレーション処理方法。A camera calibration processing method for executing a calibration process as an adjustment process for a plurality of cameras that take a multi-viewpoint image,
The plurality of reference images included in the reference image data and the reference image data based on reference image data obtained by photographing a reference chart having a plurality of different luminance information with a reference camera and reference image data obtained by photographing the reference chart with a reference camera. Calculating an absolute value average value of difference data corresponding to each of the different brightness information and a sign when the difference data is maximized as calibration information for the reference camera;
A camera calibration processing method.
複数の異なる輝度情報を持つ基準チャートを基準カメラによって撮影した基準画像データと、前記基準チャートを参照カメラによって撮影した参照画像データとに基づいて算出される前記参照画像データを基準画像データに一致させるための補正パラメータに基づいて、前記参照カメラによって撮影された画像データの補正処理を実行するステップ、
を有することを特徴とするコンピュータ・プログラム。A computer program for performing image correction processing of multi-viewpoint images taken by a plurality of cameras,
The reference image data calculated based on the reference image data obtained by photographing a reference chart having a plurality of different luminance information with a reference camera and the reference image data obtained by photographing the reference chart with a reference camera is matched with the reference image data. Executing correction processing of image data captured by the reference camera based on a correction parameter for
A computer program characterized by comprising:
複数の異なる輝度情報を持つ基準チャートを基準カメラによって撮影した基準画像データと、前記基準チャートを参照カメラによって撮影した参照画像データとに基づいて、前記参照画像データと基準画像データに含まれる前記複数の異なる輝度情報各々に対応する差分データの絶対値平均値と、前記差分データが最大となるときの符号を、前記参照カメラに対するキャリブレーション情報として算出する演算ステップ、
を有することを特徴とするコンピュータ・プログラム。A computer program that executes a calibration process as an adjustment process for a plurality of cameras that capture multi-viewpoint images,
The plurality of reference images included in the reference image data and the reference image data based on reference image data obtained by photographing a reference chart having a plurality of different luminance information with a reference camera and reference image data obtained by photographing the reference chart with a reference camera. Calculating an absolute value average value of difference data corresponding to each of the different brightness information and a sign when the difference data is maximized as calibration information for the reference camera;
A computer program characterized by comprising:
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Families Citing this family (22)
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JP4864835B2 (en) * | 2007-08-21 | 2012-02-01 | Kddi株式会社 | Color correction apparatus, method and program |
JP4831514B2 (en) * | 2007-11-13 | 2011-12-07 | 独立行政法人情報通信研究機構 | Setting parameter optimization device and program thereof |
JP5180570B2 (en) * | 2007-12-11 | 2013-04-10 | キヤノン株式会社 | Camera control device, camera control method, camera system, and program |
US8493467B2 (en) | 2007-12-11 | 2013-07-23 | Canon Kabushiki Kaisha | Camera control apparatus, camera control method, and camera system |
KR101205428B1 (en) * | 2008-08-05 | 2012-11-27 | 아이신세이끼가부시끼가이샤 | Target position identifying apparatus |
KR100893555B1 (en) | 2008-10-13 | 2009-04-17 | (주)신한항업 | Apparatus and method for aerial photographing capable correcting of photograph image |
JP2011030091A (en) * | 2009-07-28 | 2011-02-10 | Fujifilm Corp | Compound eye image pickup device and method for adjusting white balance of the same |
KR101266919B1 (en) | 2009-08-28 | 2013-05-23 | 한국전자통신연구원 | System for converting color of images cinematograph and method thereof |
JP5562103B2 (en) | 2010-04-16 | 2014-07-30 | キヤノン株式会社 | Image processing apparatus and method |
JP5570284B2 (en) | 2010-04-16 | 2014-08-13 | キヤノン株式会社 | Image processing apparatus and method |
KR101888832B1 (en) * | 2011-11-11 | 2018-09-20 | 엘지이노텍 주식회사 | Colar calibration apparatus and method |
JP5422065B2 (en) * | 2013-01-16 | 2014-02-19 | キヤノン株式会社 | Control device, control method, system, and program |
KR101633436B1 (en) * | 2014-04-30 | 2016-06-24 | 주식회사 이에스엠연구소 | Color correcting method for image of multiview cameras and color correction system for image of multiview cameras |
KR101463020B1 (en) * | 2014-09-01 | 2014-11-19 | 주식회사 고원항공정보 | Topography modification system by the confirmation for the reference point`s location and geospatial data |
JP6354578B2 (en) * | 2014-12-26 | 2018-07-11 | 株式会社Jvcケンウッド | Imaging system |
EP3216217B1 (en) | 2015-03-18 | 2021-05-05 | Huawei Technologies Co., Ltd. | Image processing device and method for color balancing |
WO2017149869A1 (en) | 2016-02-29 | 2017-09-08 | ソニー株式会社 | Information processing device, method, program, and multi-camera system |
DE102016125642A1 (en) | 2016-12-23 | 2018-06-28 | Wipotec Wiege- Und Positioniersysteme Gmbh | Testing and / or adjusting a camera, in particular a digital camera, by means of an optical test standard |
WO2019117549A1 (en) | 2017-12-15 | 2019-06-20 | Samsung Electronics Co., Ltd. | Imaging apparatus, imaging method, and computer program product |
JP6632703B2 (en) * | 2018-12-27 | 2020-01-22 | キヤノン株式会社 | CONTROL DEVICE, CONTROL METHOD, AND PROGRAM |
CN113382177B (en) * | 2021-05-31 | 2023-03-28 | 上海东方传媒技术有限公司 | Multi-view-angle surrounding shooting method and system |
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