WO2011114420A1 - 投射型表示装置およびその制御方法 - Google Patents
投射型表示装置およびその制御方法 Download PDFInfo
- Publication number
- WO2011114420A1 WO2011114420A1 PCT/JP2010/054330 JP2010054330W WO2011114420A1 WO 2011114420 A1 WO2011114420 A1 WO 2011114420A1 JP 2010054330 W JP2010054330 W JP 2010054330W WO 2011114420 A1 WO2011114420 A1 WO 2011114420A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video
- area
- screen
- image
- display device
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3188—Scale or resolution adjustment
Definitions
- the present invention relates to a projection display device and a control method thereof.
- Letterbox format video signals may be input to the projection display device as the video source.
- the letterbox format video signal includes a video signal including a masking area where a black image continues from the outer edge of the video indicated by the video signal and a video area which is an area other than the masking area.
- Examples of letterbox formats include cinemascope format and vista format.
- the aspect ratio of the video area is 2.35: 1
- the aspect ratio of the video area is 1.85: 1 or 1.67: 1.
- Japanese Patent Laid-Open No. 2005-318652 discloses a projection type in which the position of a screen is detected based on imaging data obtained by photographing the screen with an imaging device or the like, and the size of a projected image is adjusted according to the position of the screen.
- a display device is disclosed.
- this projection type display device when projecting an image shown in a letterbox format image signal, the size of the projected image including the masking region is adjusted, so that the image including the masking region is projected onto the screen.
- screen sizes include a cinema scope size with an aspect ratio of 2.35: 1, a Vista size with an aspect ratio of 1.85: 1 or 1.67: 1, and the like.
- the aspect ratio of the video signal video area and the screen match, so if a projection display device is properly installed, Only the image in the image area can be projected on the screen.
- the image shown in the video signal in the Vista format is projected without changing the installation position of the projection display device, the image in the image area is projected in the vertical direction with respect to the cinemascope size screen. It is necessary to adjust the installation position. That is, there is a problem that it is necessary to adjust the installation position of the projection display device and the projection position of the video every time the letterbox format of the video signal changes.
- An object of the present invention is to provide a projection display device and a control method thereof that can solve the above-described problems.
- the projection display device of the present invention provides: A projection type display device that displays an image shown in an image signal on a display device and projects the image displayed on the display device on a screen, An imaging unit that captures a test pattern image projected on the screen; The positional relationship between the projection area of the test pattern video and the screen is detected from the test pattern video captured by the imaging unit, and the positional relationship is displayed on the display device that displays the test pattern video.
- a screen position detection unit that detects a screen position that is the same as a test pattern image as a screen area; When the screen area and the video signal are input, and the video shown in the video signal includes a masking area in which a black image continues from an outer edge and a video area that is an area other than the masking area, A comparison unit for detecting whether or not an image of the image area is displayed outside the screen area; If the comparison unit detects that the image in the image area is displayed outside the screen area, the image in the image area is the same in the horizontal and vertical directions by thinning out the image signal corresponding to the image area. A resolution conversion unit that reduces the ratio and displays the image within the screen area.
- a control method for a projection display device of the present invention includes: A control method for a projection display device that displays a video displayed in a video signal on a display device and projects the video displayed on the display device onto a screen, The imaging unit captures a test pattern image projected on the screen, The screen position detection unit detects the positional relationship between the projection area of the test pattern video and the screen from the test pattern video taken by the imaging unit, and the display device displays the test pattern video.
- the screen position where the positional relationship is the same as the test pattern image being displayed is detected as the screen area
- the comparison unit receives the screen area and the video signal, and the video shown in the video signal includes a masking area where a black image continues from an outer edge part and a video area which is an area other than the masking area. And detecting whether or not the video in the video area is displayed outside the screen area, When the resolution conversion unit detects that the video in the video area is displayed outside the screen area by the comparison unit, the video in the video area is horizontally converted by thinning out the video signal corresponding to the video area. The image is reduced at the same ratio in the vertical direction and displayed in the screen area.
- the screen size can be adjusted without adjusting the installation position of the projection display device. Can be projected.
- FIG. 1 is a block diagram showing a configuration of a projection display device 1 according to an embodiment of the present invention.
- 1 includes a video processing unit 10, a display device control unit 21, a display device 22, a lamp 23, a lens 24, an imaging unit 25, and a control unit 30.
- the video processing unit 10 includes a video input processing unit 11, a frame memory 12, and a resolution conversion unit 13.
- control unit 30 includes a screen position detection unit 31, a screen area LUT 32, a video position detection unit 33, a video position LUT 34, and an LUT comparison unit 35.
- a video signal given from an external video signal source is input to the video processing unit 10.
- the video processing unit 10 outputs a control signal for controlling the display device 22 to the display device control unit 21 based on the input video signal.
- the video input processing unit 11 When the video signal is input, the video input processing unit 11 outputs the video signal to the frame memory 12.
- the frame memory 12 stores the video shown in the video signal output from the video input processing unit 11 for each frame.
- the resolution converter 13 outputs a control signal to the display device controller 21 based on the video stored in the frame memory 12. Note that the resolution conversion unit 13 outputs the control signal after performing the resolution conversion when an instruction to convert the resolution of the video signal is received from the LUT comparison unit 35.
- the display device control unit 21 controls the display device 22 based on the control signal output from the resolution conversion unit 13.
- the display device 22 is, for example, a transmissive liquid crystal panel having a general configuration, and displays an image under the control of the display device control unit 21.
- the lamp 23 outputs light that illuminates the display device 22.
- the lens 24 enlarges and projects the image displayed on the display device 22 illuminated by the light from the lamp 23 onto the screen 2.
- the imaging unit 25 captures the test pattern image projected on the screen 2 with a camera or the like. To do.
- the control unit 30 adjusts the resolution of the video signal so that the video in the video area is projected on the screen 2.
- the screen position detection unit 31 detects the positional relationship between the projection area of the test pattern image and the screen 2 based on the test pattern image captured by the imaging unit 25 and displays the positional relationship on the display device 22.
- the screen position that is the same as the pattern image is set as a screen area, and the position is stored in the screen area LUT 32.
- the video position detection unit 33 stores an area for displaying the video of the video area stored in the frame memory 12 on the display device 22 in the video position LUT 34.
- each area in the screen area LUT 32 and the video position LUT 34 is stored, for example, by storing an address on the display device 22.
- the LUT comparison unit 35 compares the screen area stored in the screen area LUT 32 with the video area stored in the video position LUT 34, and if a video area is detected outside the screen area, converts the resolution of the video signal.
- the resolution conversion unit 13 is instructed.
- FIG. 2 is a diagram for explaining the difference in the image projected on the screen 2 when the resolution conversion is performed by the projection display device 1 of the present embodiment and when it is not performed.
- the display device 22 has an aspect ratio of 4: 3 and the screen 2 has a cinemascope size.
- the aspect ratio of the video area is 2.35: 1.
- the aspect ratio of the screen area is 2: 35: 1, only the video in the video area can be projected onto the screen 2 if the projection display device 1 is properly installed.
- the aspect ratio of the video area is 1.85: 1.
- the top and bottom of the image in the image area are projected outside the screen 2.
- the LUT comparison unit 35 compares the screen area with the video area and detects that the video in the video area is displayed in an area other than the screen area, the LUT comparison unit 35 performs resolution conversion of the video signal corresponding to the video area. 13 is instructed.
- the resolution conversion unit 13 reduces the size of the video in the video area displayed on the display device 22 so that the video in the video area is not displayed outside the screen area.
- the video position detection unit 33 obtains the position and size of the video area from the video stored in the frame memory 12 and stores them in the video position LUT 34.
- FIG. 3A is a diagram illustrating an example of a video area stored in the video position LUT 34.
- the video area is assumed to have a horizontal width of img_w and a vertical width of img_h.
- the screen position detection unit 31 detects a screen area from the test pattern image projected on the screen 2 photographed by the imaging unit 25 and stores it in the screen area LUT 32.
- FIG. 3B is a diagram illustrating an example of a screen area stored in the screen area LUT 32.
- the display device 22 has a horizontal width of dev_w and a vertical width of dev_h.
- the horizontal and vertical start positions are (scr_x, scr_y), the horizontal width is scr_w, and the vertical width is scr_h.
- FIG. 3C is a diagram for explaining the operation of the LUT comparison unit 35.
- the LUT comparison unit 35 calculates the ratio compress_w of the horizontal width scr_w of the screen area to the horizontal width img_w of the video area and the ratio compress_h of the vertical width scr_h of the screen area to the vertical width img_h of the video area.
- the LUT comparison unit 35 compares the sizes of compress_w and compress_h. If compress_h is larger than compress_w, compress_w is converted. If compress_h is equal to or less than compress_w, compress_h is converted. Determine with the ratio.
- the LUT comparison unit 35 sets the horizontal width img_w and vertical width img_h of the video area multiplied by the determined conversion ratio as the horizontal width out_w and the vertical width out_h of the video of the video area displayed on the display device 22. .
- the LUT comparison unit 35 obtains the horizontal and vertical output start positions (out_x, out_y) of the video in the video area displayed on the display device 22.
- the LUT comparison unit 35 outputs the output start position (out_x, out_y) on the display device 22, the horizontal width out_w, and the vertical width out_h to the resolution conversion unit 13.
- the resolution converter 13 thins out the video signal corresponding to the video area so that the video stored in the frame memory 12 is displayed on the display device 22 with the horizontal width out_w and the vertical width out_h. Is reduced at the same ratio in the horizontal and vertical directions.
- the resolution conversion unit 13 outputs a control signal to the display device control unit 21 so that the video shown in the video signal after the resolution conversion is displayed from the position (out_x, out_y), and the display device control unit 21 Controls the display device 22 in accordance with the control signal.
- FIG. 3D is a diagram illustrating an example of an image displayed on the display device 22.
- the video of the video area after the resolution conversion is displayed with the horizontal width out_w and the vertical width out_h from the position (out_x, out_y) in the screen area.
- An image in the image area can be projected on the screen 2.
- the projection display device 1 detects the positional relationship between the projection area of the test pattern image and the screen from the test pattern image projected on the screen, and the positional relationship is displayed on the display device.
- the screen position that is the same as the test pattern image displayed by is detected as the screen area and the image of the image area other than the masking area is displayed outside the screen area, the image signal corresponding to the image area
- the video in the video area is reduced in the horizontal and vertical directions at the same ratio and displayed in the screen area.
- the video area is displayed in the screen area, so that the image suitable for the screen size can be projected without adjusting the installation position of the projection display device. can do.
- the size of the video area usually changes when the input video signal changes. For this reason, it is desirable to adjust the size of the projected video only during the signal discrimination operation for discriminating the type of video signal, which is performed when it is detected that the input video signal has changed.
- the present invention is not limited to this, and is adjacent to the outermost periphery of the screen area. It may be detected whether the video of the video area is displayed in the area, or in the area above and below the position separated by a predetermined number of pixels.
- the aspect ratio of the display device 22 is 4: 3 and the aspect ratio of the screen 2 is 2.35: 1.
- the aspect ratio of the display device 22 is 16: 9 and the aspect ratio of the screen 2 is The ratio may be 4: 3.
- the LUT comparison unit 35 determines whether the video in the video area is displayed in the area adjacent to the outermost periphery of the screen area on the display device 22 or the left and right areas separated by a predetermined number of pixels. To detect.
- the video is displayed with a test pattern or the like indicating the screen area, and the horizontal position, vertical position, horizontal width, vertical width, trapezoidal distortion correction, and the like of the displayed video are performed.
- the screen area may be stored, and it may be detected whether the video of the video area is displayed in an area adjacent to the outermost periphery of the screen area, or in an upper, lower, left, and right area separated by a predetermined number of pixels.
- detection of video displayed in an area other than the screen area may be performed on a specific pixel or a plurality of pixel blocks. If detection is performed with one specific pixel, the detection control process can be simplified, but the detection accuracy is deteriorated and the possibility of malfunction is increased. On the other hand, if all pixels outside the screen area are detected, the accuracy is improved, but the detection control process is complicated.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Graphics (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
- Projection Apparatus (AREA)
Abstract
Description
映像信号に示される映像を表示デバイスに表示し、該表示デバイスに表示された映像をスクリーンに投射する投射型表示装置であって、
前記スクリーンに投射されたテストパターン映像を撮影する撮像部と、
前記撮像部により撮影された前記テストパターン映像により、該テストパターン映像の投射領域と前記スクリーンとの位置関係を検出し、前記テストパターン映像を表示する前記表示デバイス上で、前記位置関係が表示しているテストパターン映像と同じとなるスクリーンの位置をスクリーン領域として検出するスクリーン位置検出部と、
前記スクリーン領域と前記映像信号とを入力とし、前記映像信号に示される映像が、外縁部から黒画像が連続するマスキング領域と、該マスキング領域以外の領域である映像領域とを含むものである場合に、前記映像領域の映像が前記スクリーン領域外に表示されるか否かを検出する比較部と、
前記比較部により前記映像領域の映像が前記スクリーン領域外に表示されると検出された場合、前記映像領域に相当する映像信号を間引くことにより、前記映像領域の映像を水平方向および垂直方向に同じ比率で縮小して前記スクリーン領域内に表示する解像度変換部と、を有する。
映像信号に示される映像を表示デバイスに表示し、該表示デバイスに表示された映像をスクリーンに投射する投射型表示装置の制御方法であって、
撮像部が、前記スクリーンに投射されたテストパターン映像を撮影し、
スクリーン位置検出部が、前記撮像部により撮影された前記テストパターン映像により、該テストパターン映像の投射領域と前記スクリーンとの位置関係を検出し、前記テストパターン映像を表示する前記表示デバイスで、前記位置関係が表示しているテストパターン映像と同じとなるスクリーンの位置をスクリーン領域として検出し、
比較部が、前記スクリーン領域と前記映像信号とを入力とし、前記映像信号に示される映像が、外縁部から黒画像が連続するマスキング領域と、該マスキング領域以外の領域である映像領域とを含むものである場合に、前記映像領域の映像が前記スクリーン領域外に表示されるか否かを検出し、
解像度変換部が、前記比較部により前記映像領域の映像が前記スクリーン領域外に表示されると検出された場合、前記映像領域に相当する映像信号を間引くことにより、前記映像領域の映像を水平方向および垂直方向に同じ比率で縮小して前記スクリーン領域内に表示する。
撮像部25は、スクリーン2に投射されたテストパターン映像をカメラ等により撮影する。
Claims (4)
- 映像信号に示される映像を表示デバイスに表示し、該表示デバイスに表示された映像をスクリーンに投射する投射型表示装置であって、
前記スクリーンに投射されたテストパターン映像を撮影する撮像部と、
前記撮像部により撮影された前記テストパターン映像により、該テストパターン映像の投射領域と前記スクリーンとの位置関係を検出し、前記テストパターン映像を表示する前記表示デバイス上で、前記位置関係が表示しているテストパターン映像と同じとなるスクリーンの位置をスクリーン領域として検出するスクリーン位置検出部と、
前記スクリーン領域と前記映像信号とを入力とし、前記映像信号に示される映像が、外縁部から黒画像が連続するマスキング領域と、該マスキング領域以外の領域である映像領域とを含むものである場合に、前記映像領域の映像が前記スクリーン領域外に表示されるか否かを検出する比較部と、
前記比較部により前記映像領域の映像が前記スクリーン領域外に表示されると検出された場合、前記映像領域に相当する映像信号を間引くことにより、前記映像領域の映像を水平方向および垂直方向に同じ比率で縮小して前記スクリーン領域内に表示する解像度変換部と、を有することを特徴とする投射型表示装置。 - 請求項1記載の投射型表示装置において、
前記解像度変換部による縮小が行われる前の前記映像領域の水平幅および垂直幅を検出する映像位置検出部を更に有し、
前記スクリーン位置検出部は、前記スクリーン領域の水平幅および垂直幅を検出し、
前記解像度変換部は、前記検出されたスクリーン領域および映像領域の水平幅および垂直幅から、前記映像領域の水平幅に対する前記スクリーン領域の水平幅の比率と前記映像領域の垂直幅に対する前記スクリーン領域の垂直幅の比率とを算出し、小さい方の比率で前記映像領域の映像を縮小することを特徴とする投射型表示装置。 - 映像信号に示される映像を表示デバイスに表示し、該表示デバイスに表示された映像をスクリーンに投射する投射型表示装置の制御方法であって、
撮像部が、前記スクリーンに投射されたテストパターン映像を撮影し、
スクリーン位置検出部が、前記撮像部により撮影された前記テストパターン映像により、該テストパターン映像の投射領域と前記スクリーンとの位置関係を検出し、前記テストパターン映像を表示する前記表示デバイスで、前記位置関係が表示しているテストパターン映像と同じとなるスクリーンの位置をスクリーン領域として検出し、
比較部が、前記スクリーン領域と前記映像信号とを入力とし、前記映像信号に示される映像が、外縁部から黒画像が連続するマスキング領域と、該マスキング領域以外の領域である映像領域とを含むものである場合に、前記映像領域の映像が前記スクリーン領域外に表示されるか否かを検出し、
解像度変換部が、前記比較部により前記映像領域の映像が前記スクリーン領域外に表示されると検出された場合、前記映像領域に相当する映像信号を間引くことにより、前記映像領域の映像を水平方向および垂直方向に同じ比率で縮小して前記スクリーン領域内に表示することを特徴とする投射型表示装置の制御方法。 - 請求項3記載の投射型表示装置の制御方法において、
映像位置検出部が、前記解像度変換部による縮小が行われる前の前記映像領域の水平幅および垂直幅を検出し、
前記スクリーン位置検出部が、前記スクリーン領域の水平幅および垂直幅を検出し、
前記解像度変換部が、前記検出されたスクリーン領域および映像領域の水平幅および垂直幅から、前記映像領域の水平幅に対する前記スクリーン領域の水平幅の比率と前記映像領域の垂直幅に対する前記スクリーン領域の垂直幅の比率とを算出し、小さい方の比率で前記映像領域の映像を縮小することを特徴とする投射型表示装置の制御方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/054330 WO2011114420A1 (ja) | 2010-03-15 | 2010-03-15 | 投射型表示装置およびその制御方法 |
JP2012505332A JPWO2011114420A1 (ja) | 2010-03-15 | 2010-03-15 | 投射型表示装置およびその制御方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/054330 WO2011114420A1 (ja) | 2010-03-15 | 2010-03-15 | 投射型表示装置およびその制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011114420A1 true WO2011114420A1 (ja) | 2011-09-22 |
Family
ID=44648553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/054330 WO2011114420A1 (ja) | 2010-03-15 | 2010-03-15 | 投射型表示装置およびその制御方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPWO2011114420A1 (ja) |
WO (1) | WO2011114420A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015149603A (ja) * | 2014-02-06 | 2015-08-20 | 株式会社リコー | 画像表示システム、画像表示装置及び画像表示方法 |
KR101842075B1 (ko) * | 2013-12-20 | 2018-03-26 | 퀄컴 인코포레이티드 | 타겟 상으로의 프로젝션을 위해 콘텐츠를 트리밍 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112839238B (zh) * | 2019-11-22 | 2023-03-24 | 腾讯科技(深圳)有限公司 | 投屏播放方法、装置和存储介质 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04365280A (ja) * | 1991-06-13 | 1992-12-17 | Matsushita Electric Ind Co Ltd | 投写型画像表示装置 |
JPH0522681A (ja) * | 1991-07-11 | 1993-01-29 | Sharp Corp | 投写型デイスプレイ装置 |
JPH05268555A (ja) * | 1992-03-19 | 1993-10-15 | Toshiba Corp | 投写型表示装置 |
JPH06237429A (ja) * | 1993-02-10 | 1994-08-23 | Sony Corp | スクリーン装置及びフロント投射型プロジェクタシステム |
JP2005318652A (ja) * | 2002-07-23 | 2005-11-10 | Nec Viewtechnology Ltd | 画像歪み補正機能を備えたプロジェクタ装置 |
JP2008122800A (ja) * | 2006-11-14 | 2008-05-29 | Sharp Corp | 画像表示装置 |
JP2008145702A (ja) * | 2006-12-08 | 2008-06-26 | Canon Inc | 画像表示装置 |
-
2010
- 2010-03-15 JP JP2012505332A patent/JPWO2011114420A1/ja active Pending
- 2010-03-15 WO PCT/JP2010/054330 patent/WO2011114420A1/ja active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04365280A (ja) * | 1991-06-13 | 1992-12-17 | Matsushita Electric Ind Co Ltd | 投写型画像表示装置 |
JPH0522681A (ja) * | 1991-07-11 | 1993-01-29 | Sharp Corp | 投写型デイスプレイ装置 |
JPH05268555A (ja) * | 1992-03-19 | 1993-10-15 | Toshiba Corp | 投写型表示装置 |
JPH06237429A (ja) * | 1993-02-10 | 1994-08-23 | Sony Corp | スクリーン装置及びフロント投射型プロジェクタシステム |
JP2005318652A (ja) * | 2002-07-23 | 2005-11-10 | Nec Viewtechnology Ltd | 画像歪み補正機能を備えたプロジェクタ装置 |
JP2008122800A (ja) * | 2006-11-14 | 2008-05-29 | Sharp Corp | 画像表示装置 |
JP2008145702A (ja) * | 2006-12-08 | 2008-06-26 | Canon Inc | 画像表示装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101842075B1 (ko) * | 2013-12-20 | 2018-03-26 | 퀄컴 인코포레이티드 | 타겟 상으로의 프로젝션을 위해 콘텐츠를 트리밍 |
JP2015149603A (ja) * | 2014-02-06 | 2015-08-20 | 株式会社リコー | 画像表示システム、画像表示装置及び画像表示方法 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2011114420A1 (ja) | 2013-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4232042B2 (ja) | 投写制御システム、プロジェクタ、プログラム、情報記憶媒体および投写制御方法 | |
EP1983745B1 (en) | Image projecting method and projector | |
US8922605B2 (en) | Projector, image display system, and image processing system | |
JP2006121240A (ja) | 画像投射方法、プロジェクタ、及びコンピュータプログラム | |
JP2004312690A (ja) | 画像処理システム、プロジェクタ、プログラム、情報記憶媒体および画像処理方法 | |
US20090015730A1 (en) | Image projecting method and projector | |
KR101428064B1 (ko) | 화면 왜곡 보정 장치 및 방법 | |
JP2007079028A (ja) | 投射型画像表示装置およびマルチプロジェクションシステム | |
JP2004304265A (ja) | 画像処理システム、プロジェクタ、プログラム、情報記憶媒体および画像処理方法 | |
JP4882237B2 (ja) | 画像プロジェクションシステム、画像プロジェクション方法、画像プロジェクションプログラム、そのプログラムを記憶した記憶媒体、およびプロジェクタの制御装置 | |
US20190281266A1 (en) | Control apparatus, readable medium, and control method | |
WO2012120586A1 (ja) | 投写型画像表示装置及び光量調整方法 | |
KR100718233B1 (ko) | 프로젝션 장치 및 그 제어방법 | |
WO2011114420A1 (ja) | 投射型表示装置およびその制御方法 | |
KR20070099328A (ko) | 투사되는 영상을 은닉적으로 보정하는 방법 및 이를 위한장치 | |
JP4111738B2 (ja) | プラズマディスプレイ装置 | |
JP2006050255A (ja) | 大画面表示システムおよびその輝度補正法 | |
JP2001186538A (ja) | ビデオプロジェクタ装置 | |
JP2009212757A (ja) | 画像表示システム | |
JP2002196736A (ja) | アスペクト比に応じたプロジェクタの投写サイズ調整 | |
JP2010130481A (ja) | 画像投射装置 | |
JP4471793B2 (ja) | プロジェクタ | |
JP2008242087A (ja) | 前面投影型プロジェクタの設置位置調整システム | |
JP2013250317A (ja) | 投射型表示装置およびその制御方法 | |
JP6439254B2 (ja) | 画像投影装置、画像投影装置の制御方法、および画像投影装置の制御プログラム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10847837 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012505332 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 13/12/2012) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 10847837 Country of ref document: EP Kind code of ref document: A1 |