CN102568352A - Projection display system and projection display method - Google Patents

Projection display system and projection display method Download PDF

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Publication number
CN102568352A
CN102568352A CN2012100364456A CN201210036445A CN102568352A CN 102568352 A CN102568352 A CN 102568352A CN 2012100364456 A CN2012100364456 A CN 2012100364456A CN 201210036445 A CN201210036445 A CN 201210036445A CN 102568352 A CN102568352 A CN 102568352A
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module
display
projection
image
display image
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CN102568352B (en
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徐响林
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Vtron Group Co Ltd
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Vtron Technologies Ltd
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Abstract

The invention discloses a projection display system and a projection display method. The projection display system comprises a projection module, an image pickup module and a controller module, the projection module is used for displaying preset display images and processed target display objects in a projection manner, the image pickup module is used for shooting a screen area of the projection module to acquire screen images and acquiring display images by shooting images displayed on a screen when the preset display images are displayed in a projection manner, the controller module is used for outputting preset display images to the projection module, acquiring display image outline data of a calibrated display area according to the screen images and the display images, replacing area images outside the calibrated display area in the target display object by corresponding rear images in the screen images according to the display image outline data and acquiring the processed target display objects to transmit to the projection module for display, and the controller module is connected with the projection module and the image pickup module and provides external display object sources of the target display objects. By the projection display system, images in any shapes or videos can be displayed on any display screen, and background content can be removed simultaneously.

Description

A kind of projection display system and method
Technical field
The present invention relates to field of projection display, particularly a kind of projection display system and method that has camera function.
Background technology
Development along with economic technology; Various projection display techniques also progressively move to maturity and use; Projector is widely used, as curb, walkway, building exterior wall, place such as ground in the metope, glass curtain wall, large supermarket's inlet, cinema, hotel hall ground, show window, shop.In general show window applied environment, it is on glass that businessman can be projected to the shop with the commodity picture, and passer-by can very directly see the commodity and the various information of being showed, or the video ads of these commodity.In the zone of Projection Display, it is background image that partial content is arranged, and is that the user is that institute is negligent; But in traditional projection display system, the zone of projection mainly is a square or rectangular, fixed in shape; The picture shape of projection process is also fixed, and the background image content can not be removed.If projection goes out the picture of special shape, must on the screen of projection, paste identical shaped special material, projected image is presented on the special shape that special material constitutes project content and could be seen by the user; To reach the purpose that shows the special shape video; Light can only reflect or penetrate in the zone that does not have material fully, filter other regional purposes to reach, but this mode need increase extra cost; Shape is single; And special material typing in a single day, its shape can not change, and the phenomenon of subregion image when playing dynamic video, possibly occur lacking.
Summary of the invention
The technical matters that the present invention solves is the deficiency that overcomes prior art, provides a kind of and can on common projection screen, show the image of arbitrary shape or the projection display system of dynamic video.
The present invention also provides a kind of can show the image of arbitrary shape or the method for displaying projection of dynamic video on common projection screen.
The technical scheme of first goal of the invention of the present invention is following:
A kind of projection display system comprises:
Projection module is used for Projection Display by the predetermined display image of controller module output and target display object after treatment;
Photographing module, the screen area that is used to take projection module obtain screen picture and take to attend institute's picture displayed at screen when projection shows predetermined display image and obtain display image;
Controller module; Be used to export predetermined display image to projection module; Obtain to be used to demarcate the display image outline data of viewing area according to the captured screen picture of photographing module and display image; Control module is obtained the target display object through outside display object source; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows;
Wherein projection module is connected with control module respectively with photographing module, and control module also connects the outside display object of the target display object source that provides.
In the such scheme, said control module comprises:
Memory module is used for storing predetermined display image;
Output module is used for to the predetermined display image of projection module output and the target display object after handling;
Receiver module is used to receive captured screen picture of photographing module and display image;
The profile acquisition module is used for obtaining to be used to demarcate according to the captured screen picture of photographing module and display image the display image outline data of viewing area;
Processing module; Obtain the target display object through outside display object source; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows;
Said output module, processing module, profile acquisition module are connected with memory module, and receiver module is connected with the profile acquisition module, and the profile acquisition module is connected with processing module, and receiver module is connected with outside display object source.
In the such scheme, said display image outline data is that the profile acquisition module calculates the pixel of the display image that obtains and corresponding relation and the Projection Display shape of display image and the corresponding relation of screen physical location of screen physical location according to display image and screen picture.
In the such scheme, memory module also is used to store screen picture;
Memory module also is used to store the backcolor range data of target display object and the Color Range data of its displaying contents; To be processing module combine the pixel of the display image that the Color Range data computation of backcolor range data and displaying contents in the predetermined display image obtains and corresponding relation and the Projection Display shape of display image and the corresponding relation of screen physical location of screen physical location according to display image and screen picture to said display image outline data;
Memory module also is used to store built-in display object as the target display object.
In the such scheme, said target display object is image or video, and said video decode is handled by control module after becoming image again.
The technical scheme of second goal of the invention of the present invention is following:
A kind of method for displaying projection comprises the steps:
(1) controller module control photographing module photographed screen image;
(2) control module receives screen picture and storage;
(3) control module will be scheduled to display image and be sent to the projection demonstration;
Attend institute's picture displayed acquisition display image at screen when (4) the display image Projection Display is scheduled in the photographing module shooting and be sent to control module;
(5) control module obtains to be used to demarcate the display image outline data of viewing area according to captured screen picture of photographing module and display image;
(6) control module is obtained the target display object through outside display object source; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows.
In the such scheme, said control module according to the concrete steps that the captured screen picture of photographing module and display image obtain to be used to demarcate the display image outline data of viewing area is: according to the corresponding relation of the Projection Display shape of the corresponding relation of the pixel of display image and screen picture calculation display image and screen physical location and display image and screen physical location as the display image outline data.
In the such scheme, control module also the Color Range data of the backcolor range data through storing the target display object in advance and its displaying contents combine display image and screen picture calculation display image the corresponding relation of Projection Display shape and screen physical location of corresponding relation and display image of pixel and screen physical location as the display image outline data.
In the such scheme, said target display object is image or video; Said video decode is handled by control module after becoming image again; Also built-in display object is as the target display object in the control module.
In the such scheme, said method also comprises:
When screen display is shaped as static state, the target display object is handled by control module Control Circulation execution in step (6);
When screen display is shaped as dynamic change, then after projection has shown one or a frame target display object by control module Control Circulation execution in step (1), step (2), step (5) and step (6).
Compared with prior art, the beneficial effect of technical scheme of the present invention is:
The present invention utilizes photographing module photographed screen image, with screen picture with want the content of Projection Display to merge, remove uncorrelated content, strengthened display effect; And the user can set the profile demonstration profile of projection module arbitrarily; Can reach the image or the video that on any display screen, show arbitrary shape; Can also as required image or video content be carried out multiple appearance profile combination, dynamically switching displayed makes the user obtain new experience.
Description of drawings
Fig. 1 is the principle schematic of projection display system among the present invention;
Fig. 2 is the process flow diagram of method for displaying projection among the present invention;
Fig. 3 is to be traditional Projection Display effect synoptic diagram;
Fig. 4 is the effect synoptic diagram of embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is done further explanation.
As shown in Figure 1; Principle schematic for a kind of projection display system among the present invention; Said system comprises projection module, photographing module and control module, and projection module is connected with control module respectively with photographing module, and control module also connects the outside display object of the target display object source that provides.
Projection module is used for Projection Display by the predetermined display image of controller module output and target display object after treatment; The demonstration profile of emphasis displaying contents in the maximum region that predetermined display image should be able to the mark projection module can show, the target display object is handled so that photographing module can be gathered and store display image and send control module to; If it is multiple that the demonstration profile of the projection module of setting has, then need repeatedly gather and store.
Photographing module, the screen area that is used to take projection module obtain screen picture and take to attend institute's picture displayed at screen when projection shows predetermined display image and obtain display image; It is to carry out the work CF of each position of screen before that said screen picture is used for the mark projection module.
Controller module comprises memory module, output module, receiver module, profile acquisition module and processing module; Output module, profile acquisition module, processing module are connected with memory module; Receiver module is connected with the profile acquisition module; The profile acquisition module is connected with processing module, and receiver module also connects outside display object source, and the target display object is provided by the built-in display object of control module or provided by outside display object source; The target display object is image or video, and the target display object is handled by control module after being decoded into image during for video again.
Wherein:
Memory module is used for storing predetermined display image, screen picture, built-in display object, the backcolor range data of storage target display object and the Color Range data of its displaying contents;
Output module is used for to the predetermined display image of projection module output and the target display object after handling;
Receiver module is used to receive captured screen picture of photographing module and display image;
The profile acquisition module; Be used for calculating pixel and the corresponding relation of screen physical location, the Projection Display shape of display image and the corresponding relation of screen physical location that obtains display image according to photographing module captured screen picture and display image, the corresponding relation of the corresponding relation of the pixel of display image and screen physical location, the Projection Display shape of display image and screen physical location is as the display image outline data that is used to demarcate the viewing area; The outline data of display image also can calculate according to the content of predetermined display image in real time, and this moment, the profile acquisition module needed the backcolor range data of invocation target display object and the Color Range data of displaying contents to combine display image and screen picture to obtain the outline data of display image.
Processing module; Obtain the target display object through display object built-in in outside display object source or the memory module; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows;
As shown in Figure 2, be the process flow diagram of a kind of method for displaying projection among the present invention, said method comprises the steps:
(S1) controller module control photographing module photographed screen image; The purpose of photographed screen image is in order to obtain the color and the shape of each position of screen before projection module is not worked.
(S2) control module receives screen picture and storage;
(S3) control module will be scheduled to display image and be sent to the projection demonstration;
Attend institute's picture displayed acquisition display image at screen when (S4) the display image Projection Display is scheduled in the photographing module shooting and be sent to control module; The demonstration profile of emphasis displaying contents in the maximum region that predetermined display image should be able to the mark projection module can show, the target display object is handled so that photographing module can be gathered and store display image and send control module to; If it is multiple that the demonstration profile of the projection module of setting has, then need repeatedly gather and store.
(S5) control module according to the corresponding relation of the Projection Display shape of the corresponding relation of the pixel of captured display image of photographing module and screen picture calculation display image and screen physical location and display image and screen physical location as the display image outline data.The outline data of display image also can calculate according to the content of predetermined display image in real time, and this moment, the profile acquisition module needed the backcolor range data of invocation target display object and the Color Range data of displaying contents to combine display image and screen picture to obtain the outline data of display image.
(S6) control module is obtained the target display object through outside display object source or himself built-in display object; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows.Wherein the target display object is image or video; Handle by control module again after then being decoded into image when the target display object is video; Video for dynamic change; All obtain image outline data to every width of cloth image in the video; Said video all images outline data can disposablely obtain through step S4 and S5 and accomplish and be stored in the control module; After video is decoded, obtain image, control module correspondingly reads the image outline data of every width of cloth image, and execution in step S6 handles.
Be shaped as static situation for screen display, can handle the target display object, show identical or different target display object in the projection module cocycle by control module Control Circulation execution in step (6);
Be shaped as the situation of dynamic change for screen display; Then after projection has shown an image or a frame video by control module Control Circulation execution in step (S1), step (S2), step (S5) and step (S6); Again gather up-to-date screen picture; And screen picture and display image merged obtain new display image outline data, again the target display object is handled and shown.
Below in conjunction with concrete embodiment projection display system of the present invention and method are specified, be to be noted that described embodiment is intended to be convenient to understanding of the present invention is not played the qualification effect to the present invention.
As shown in Figure 3; Be traditional Projection Display effect synoptic diagram; It comprises that emphasis is wanted content displayed 203 in maximum region 202 that screen 201, projection module can show, the target display object; As can be seen from the figure, the background in screen 201 and the projection module maximum region 202 that can show has the obvious color difference.
As shown in Figure 4, be the effect synoptic diagram of projection display system of the present invention and method, comprising the screen picture 301 of photographing module shooting; Target display object 302; Demarcate viewing area 303, the target display object 304 after handling through control module, the emphasis in the target display object 304 needs content displayed 305; After after treatment target display object 304 is sent to the capable projection of projection module; Final viewing effect is to see that on screen the emphasis in the target display object needs displaying contents 305, and the car among the figure, and the background among the former figure can't occur.The present invention utilizes photographing module photographed screen image, with the image of display screen with want projection display contents to merge, removed uncorrelated content, can reach the image of demonstration arbitrary shape, strengthened display effect, improved user experience.

Claims (10)

1. a projection display system is characterized in that, comprising:
Projection module is used for Projection Display by the predetermined display image of controller module output and target display object after treatment;
Photographing module, the screen area that is used to take projection module obtain screen picture and take to attend institute's picture displayed at screen when projection shows predetermined display image and obtain display image;
Controller module; Be used to export predetermined display image to projection module; Obtain to be used to demarcate the display image outline data of viewing area according to the captured screen picture of photographing module and display image; Control module is obtained the target display object through outside display object source; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows;
Wherein projection module is connected with control module respectively with photographing module, and control module also connects the outside display object of the target display object source that provides.
2. projection display system according to claim 1 is characterized in that, said control module comprises:
Memory module is used for storing predetermined display image;
Output module is used for to the predetermined display image of projection module output and the target display object after handling;
Receiver module is used to receive captured screen picture of photographing module and display image;
The profile acquisition module is used for obtaining to be used to demarcate according to the captured screen picture of photographing module and display image the display image outline data of viewing area;
Processing module; Obtain the target display object through outside display object source; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows;
Said output module, processing module, profile acquisition module are connected with memory module, and receiver module is connected with the profile acquisition module, and the profile acquisition module is connected with processing module, and receiver module is connected with outside display object source.
3. projection display system according to claim 2; It is characterized in that said display image outline data is that the profile acquisition module calculates the pixel of the display image that obtains and corresponding relation and the Projection Display shape of display image and the corresponding relation of screen physical location of screen physical location according to display image and screen picture.
4. projection display system according to claim 2 is characterized in that memory module also is used to store screen picture;
Memory module also is used to store the backcolor range data of target display object and the Color Range data of its displaying contents; To be the profile acquisition module combine the pixel of the display image that the Color Range data computation of backcolor range data and displaying contents in the predetermined display image obtains and corresponding relation and the Projection Display shape of display image and the corresponding relation of screen physical location of screen physical location according to display image and screen picture to said display image outline data;
Memory module also is used to store built-in display object as the target display object.
5. according to each described projection display system of claim 1 to 4, it is characterized in that said target display object is image or video, said video decode is handled by control module after becoming image again.
6. a method for displaying projection is characterized in that, comprises the steps:
(1) controller module control photographing module photographed screen image;
(2) control module receives screen picture and storage;
(3) control module will be scheduled to display image and be sent to the projection demonstration;
Attend institute's picture displayed acquisition display image at screen when (4) the display image Projection Display is scheduled in the photographing module shooting and be sent to control module;
(5) control module obtains to be used to demarcate the display image outline data of viewing area according to captured screen picture of photographing module and display image;
(6) control module is obtained the target display object through outside display object source; Replace with screen picture corresponding region image being arranged in the area image of demarcating outside the viewing area in the target display object according to the display image outline data, the target display object after obtaining to handle is sent to projection module and shows.
7. method for displaying projection according to claim 6; It is characterized in that said control module according to the concrete steps that the captured screen picture of photographing module and display image obtain to be used to demarcate the display image outline data of viewing area is: according to the corresponding relation of the Projection Display shape of the corresponding relation of the pixel of display image and screen picture calculation display image and screen physical location and display image and screen physical location as the display image outline data.
8. method for displaying projection according to claim 7; It is characterized in that, control module also the Color Range data of the backcolor range data through storing the target display object in advance and its displaying contents combine display image and screen picture calculation display image the corresponding relation of Projection Display shape and screen physical location of corresponding relation and display image of pixel and screen physical location as the display image outline data.
9. according to each described method for displaying projection of claim 6 to 8, it is characterized in that said target display object is image or video; Said video decode is handled by control module after becoming image again; Also built-in display object is as the target display object in the control module.
10. method for displaying projection according to claim 9 is characterized in that, said method also comprises:
When screen display is shaped as static state, the target display object is handled by control module Control Circulation execution in step (6);
When screen display is shaped as dynamic change, then after projection has shown one or a frame target display object by control module Control Circulation execution in step (1), step (2), step (5) and step (6).
CN201210036445.6A 2012-02-17 2012-02-17 Projection display system and projection display method Expired - Fee Related CN102568352B (en)

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CN109493761A (en) * 2017-09-12 2019-03-19 蒋明 Ads on Vehicles display system for moving advertising system
CN109493761B (en) * 2017-09-12 2022-05-13 蒋明 Vehicle-mounted advertisement display system for mobile advertisement system
CN108563981A (en) * 2017-12-31 2018-09-21 广景视睿科技(深圳)有限公司 A kind of gesture identification method and device based on projector and camera
CN108563981B (en) * 2017-12-31 2022-04-15 广景视睿科技(深圳)有限公司 Gesture recognition method and device based on projector and camera

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Granted publication date: 20140423