JP2008211356A5 - - Google Patents
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- JP2008211356A5 JP2008211356A5 JP2007044243A JP2007044243A JP2008211356A5 JP 2008211356 A5 JP2008211356 A5 JP 2008211356A5 JP 2007044243 A JP2007044243 A JP 2007044243A JP 2007044243 A JP2007044243 A JP 2007044243A JP 2008211356 A5 JP2008211356 A5 JP 2008211356A5
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- 238000003384 imaging method Methods 0.000 claims 26
- 238000006243 chemical reaction Methods 0.000 claims 8
Claims (6)
前記投写部によって投写された前記キャリブレーション画像の少なくとも一部と、前記投写対象物の少なくとも一部とを含む領域を撮像して撮像画像を示す撮像情報を生成する撮像部と、
前記撮像情報に基づき、前記投写対象物の少なくとも一部の形状を決定するとともに、前記撮像部の内部の撮像領域における前記投写対象物の位置に関する投写対象位置情報を生成する形状決定部と、
当該形状決定部によって決定された形状に沿った領域であって、かつ、前記投写パネルにおける領域である補正目標領域を設定する補正目標領域設定部と、
を含み、
前記補正目標領域設定部は、
前記投写対象位置情報に基づき、前記撮像領域における前記補正目標領域の位置に関する補正目標位置情報を生成する補正目標位置情報生成部と、
当該補正目標位置情報に基づき、前記撮像領域における前記補正目標領域の座標を、前記投写パネルにおける座標に変換する座標変換部と、
当該座標変換部による変換後の座標に基づき、前記投写パネルにおける前記補正目標領域を設定する領域設定部と、
を含むことを特徴とするプロジェクタ。 A projection unit that projects a calibration image onto a rectangular projection object via a projection panel;
An imaging unit that captures an area including at least a part of the calibration image projected by the projection unit and at least a part of the projection target, and generates imaging information indicating the captured image;
Based on the imaging information, a shape determining unit that determines a shape of at least a part of the projection target object and generates projection target position information related to the position of the projection target object in an imaging region inside the imaging unit;
A correction target region setting unit that sets a correction target region that is a region along the shape determined by the shape determination unit and is a region in the projection panel ;
Including
The correction target area setting unit includes:
A correction target position information generating unit that generates correction target position information related to the position of the correction target area in the imaging area based on the projection target position information;
Based on the correction target position information, a coordinate conversion unit that converts the coordinates of the correction target region in the imaging region into coordinates in the projection panel;
An area setting unit for setting the correction target area in the projection panel based on the coordinates after conversion by the coordinate conversion unit;
Including a projector.
前記補正目標領域設定部は、前記形状決定部によって前記投写対象物の全形状が決定されない場合、前記撮像情報に基づき、前記投写パネルの座標系における前記投写対象物の辺によって形成される垂直方向および水平方向の消失点の座標値を決定するととともに、当該座標値に基づき、前記形状決定部による前記投写対象物の未決定部分を補完することにより、前記補正目標領域を設定することを特徴とするプロジェクタ。 The projector according to claim 1, wherein
The correction target area setting unit, when the entire shape of the projection object is not determined by the shape determination unit, based on the imaging information, a vertical direction formed by the side of the projection object in the coordinate system of the projection panel And determining the coordinate value of the vanishing point in the horizontal direction, and setting the correction target region by complementing an undetermined portion of the projection target by the shape determining unit based on the coordinate value. Projector.
前記補正目標領域のアスペクト比を演算するアスペクト比演算部と、
前記補正目標領域のアスペクト比と基準アスペクト比との相違を示す値が設定条件を満たすかどうかを判定する判定部と、
前記補正目標領域の形状の画像または基準アスペクト比の画像を生成する画像生成部と、
を含み、
前記画像生成部は、前記設定条件を満たす場合は前記補正目標領域の形状で画像を生成し、前記設定条件を満たさない場合は前記基準アスペクト比の画像を生成することを特徴とするプロジェクタ。 The projector according to any one of claims 1 and 2,
An aspect ratio calculation unit for calculating an aspect ratio of the correction target area;
A determination unit that determines whether a value indicating a difference between an aspect ratio of the correction target area and a reference aspect ratio satisfies a setting condition;
An image generation unit for generating an image of the shape of the correction target region or an image of a reference aspect ratio;
Including
The image generation unit generates an image with the shape of the correction target area when the setting condition is satisfied, and generates an image with the reference aspect ratio when the setting condition is not satisfied.
前記コンピュータを、
キャリブレーション画像を、投写パネルを介して矩形の投写対象物へ向け前記投写部に投写させる投写制御部と、
前記投写部によって投写された前記キャリブレーション画像の少なくとも一部と、前記投写対象物の少なくとも一部とを含む領域を前記撮像部に撮像させて撮像画像を示す撮像情報を生成させる撮像制御部と、
前記撮像情報に基づき、前記投写対象物の少なくとも一部の形状を決定するとともに、前記撮像部の内部の撮像領域における前記投写対象物の位置に関する投写対象位置情報を生成する形状決定部と、
当該形状決定部によって決定された形状に沿った領域であって、かつ、前記投写パネル
における領域である補正目標領域を設定する補正目標領域設定部として機能させ、
前記補正目標領域設定部は、
前記投写対象位置情報に基づき、前記撮像領域における前記補正目標領域の位置に関する補正目標位置情報を生成する補正目標位置情報生成部と、
当該補正目標位置情報に基づき、前記撮像領域における前記補正目標領域の座標を、前記投写パネルにおける座標に変換する座標変換部と、
当該座標変換部による変換後の座標に基づき、前記投写パネルにおける前記補正目標領域を設定する領域設定部と、
を含むことを特徴とするプログラム。 A program readable by a computer of a projector including a projection unit and an imaging unit,
The computer,
A projection control unit that causes the projection unit to project a calibration image onto a rectangular projection target via a projection panel;
An imaging control unit that causes the imaging unit to capture an area including at least a part of the calibration image projected by the projection unit and at least a part of the projection target, and generates imaging information indicating the captured image; ,
Based on the imaging information, a shape determining unit that determines a shape of at least a part of the projection target object and generates projection target position information related to the position of the projection target object in an imaging region inside the imaging unit;
An area along the shape determined by the shape determination unit, and to function as a correction target area setting unit for setting a correction target region is a region in the projection panel,
The correction target area setting unit includes:
A correction target position information generating unit that generates correction target position information related to the position of the correction target area in the imaging area based on the projection target position information;
Based on the correction target position information, a coordinate conversion unit that converts the coordinates of the correction target region in the imaging region into coordinates in the projection panel;
An area setting unit for setting the correction target area in the projection panel based on the coordinates after the conversion by the coordinate conversion unit;
The program characterized by including.
請求項４に記載のプログラムを記憶した情報記憶媒体。 An information storage medium storing a program readable by a computer of a projector including a projection unit and an imaging unit,
An information storage medium storing the program according to claim 4.
前記コンピュータは、The computer
キャリブレーション画像を、投写パネルを介して矩形の投写対象物へ向け前記投写部に投写させ、A calibration image is projected on the projection unit toward a rectangular projection object via a projection panel,
前記投写部によって投写された前記キャリブレーション画像の少なくとも一部と、前記投写対象物の少なくとも一部とを含む領域を前記撮像部に撮像させて撮像画像を示す撮像情報を生成させ、Causing the imaging unit to capture an area including at least a part of the calibration image projected by the projection unit and at least a part of the projection target, and generating imaging information indicating the captured image;
前記撮像情報に基づき、前記投写対象物の少なくとも一部の形状を決定するとともに、前記撮像部の内部の撮像領域における前記投写対象物の位置に関する投写対象位置情報を生成し、Based on the imaging information, determine a shape of at least a part of the projection object, and generate projection target position information related to the position of the projection object in an imaging region inside the imaging unit,
前記投写対象位置情報に基づき、前記撮像領域における前記形状に沿った領域である補正目標領域の位置に関する補正目標位置情報を生成し、Based on the projection target position information, generates correction target position information related to the position of the correction target area that is an area along the shape in the imaging area,
当該補正目標位置情報に基づき、前記撮像領域における前記補正目標領域の座標を、前記投写パネルにおける座標に変換し、Based on the correction target position information, the coordinates of the correction target area in the imaging area are converted into coordinates on the projection panel,
当該座標変換部による変換後の座標に基づき、前記投写パネルにおける前記補正目標領域を設定する、Based on the coordinates after conversion by the coordinate conversion unit, the correction target area in the projection panel is set,
画像生成方法。Image generation method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007044243A JP5187480B2 (en) | 2007-02-23 | 2007-02-23 | Projector, program, information storage medium, and image generation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007044243A JP5187480B2 (en) | 2007-02-23 | 2007-02-23 | Projector, program, information storage medium, and image generation method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008211356A JP2008211356A (en) | 2008-09-11 |
| JP2008211356A5 true JP2008211356A5 (en) | 2010-04-02 |
| JP5187480B2 JP5187480B2 (en) | 2013-04-24 |
Family
ID=39787316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007044243A Active JP5187480B2 (en) | 2007-02-23 | 2007-02-23 | Projector, program, information storage medium, and image generation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5187480B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5445745B2 (en) * | 2009-06-11 | 2014-03-19 | セイコーエプソン株式会社 | Projector, program, information storage medium, and trapezoidal distortion correction method |
| JP5257618B2 (en) * | 2009-08-07 | 2013-08-07 | セイコーエプソン株式会社 | Projector, program, information storage medium, and exposure adjustment method |
| WO2011141972A1 (en) * | 2010-05-14 | 2011-11-17 | Ｎｅｃディスプレイソリューションズ株式会社 | Luminosity correction device, luminosity correction system, and luminosity correction method |
| JP5541031B2 (en) * | 2010-09-16 | 2014-07-09 | セイコーエプソン株式会社 | Projector and projector control method |
| CN113365040B (en) * | 2021-02-24 | 2023-03-14 | 深圳市火乐科技发展有限公司 | Projection correction method, projection correction device, storage medium and electronic equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6520647B2 (en) * | 2000-08-17 | 2003-02-18 | Mitsubishi Electric Research Laboratories Inc. | Automatic keystone correction for projectors with arbitrary orientation |
| US6527395B1 (en) * | 2001-12-10 | 2003-03-04 | Mitsubishi Electric Research Laboratories, Inc. | Method for calibrating a projector with a camera |
| JP2004260785A (en) * | 2002-07-23 | 2004-09-16 | Nec Viewtechnology Ltd | Projector with distortion correction function |
| JP4006601B2 (en) * | 2004-03-29 | 2007-11-14 | セイコーエプソン株式会社 | Image processing system, projector, program, information storage medium, and image processing method |
| JP2005326247A (en) * | 2004-05-14 | 2005-11-24 | Nippon Telegr & Teleph Corp <Ntt> | Calibrator, calibration method, and calibration program |
| JP3925521B2 (en) * | 2004-08-19 | 2007-06-06 | セイコーエプソン株式会社 | Keystone correction using part of the screen edge |
-
2007
- 2007-02-23 JP JP2007044243A patent/JP5187480B2/en active Active
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