CN102004378A - Method for adjusting projection picture and projection device - Google Patents
Method for adjusting projection picture and projection deviceDownload PDFInfo
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- CN102004378A CN102004378ACN 200910189950CN200910189950ACN102004378ACN 102004378 ACN102004378 ACN 102004378ACN 200910189950CN200910189950CN 200910189950CN 200910189950 ACN200910189950 ACN 200910189950ACN 102004378 ACN102004378 ACN 102004378A
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- 238000000034methodMethods0.000titleclaimsabstractdescription46
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Images
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- Projection Apparatus (AREA)
Abstract
Description
Technical field
The present invention relates to projected picture and show, more particularly, relate to a kind of projected picture method of adjustment, also relate to a kind of projection arrangement.
Background technology
Usually, projector is the signal input that will receive various vision facilitiess such as televisor (TV), video cassette video recorder (VCR), digital vidio disc player (DVD Player), personal computer (PC), camcorder apparatus, and the lens enlarged image is presented at equipment on the screen.
Because popularizing gradually of portable translucent machine, the rectangle alignment technique is an indispensable function at any angle.Figure 1A is the synoptic diagram when projector and projected picture zone out of plumb, the projected picture synoptic diagram when Figure 1B is projector and projected picture zone out of plumb.As Figure 1A, shown in Figure 1B, at narrower and small meeting room, sometimes in order not take spectators' space, projector must be placed on the place of keeping to the side, perhaps be the corner, the picture that goes out of projection is exactly irregular quadrilateral like this, make the content displayed distortion, need carry out rectangle to this projected picture proofreaies and correct, the alignment technique of rectangle at any angle on the market all is to adjust in projector's menu at present, just carry out the rectangle adjustment by the control option in projector's menu with step-by-step system, this rectangle method of adjustment often will just can mix up repeatedly several times, and obviously degree of accuracy is low, speed is slow, operability is not strong.
Summary of the invention
The technical problem to be solved in the present invention is that the defective that above-mentioned rectangle method of adjustment precision is low, speed slow, operability is not strong at prior art provides a kind of precision height, fast, workable projected picture method of adjustment and the projection arrangement of speed.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of projected picture method of adjustment, may further comprise the steps:
A. the Infrared of infrared photography module receiving target projected picture anchor point;
B. the infrared photography module is determined the anchor point coordinate according to the Infrared of the anchor point that is received, and determines the quadrilateral of target projection picture according to the anchor point coordinate;
C. adjusting module is adjusted projected picture according to the quadrilateral of described target projection picture;
D. image output module is exported adjusted projected picture.
In projected picture method of adjustment of the present invention, before steps A, also comprise:
A11. the infraluminescence pen of target projection picture locating point position is luminous.
In projected picture method of adjustment of the present invention, before steps A, also comprise:
A21. the infrared-emitting diode of target projection picture locating point position installing is luminous.
In projected picture method of adjustment of the present invention, before steps A, also comprise:
A31. light emission direction and the consistent infraluminescence light source luminescent of projector's image projection direction;
A32. the reflecting piece of target projection picture locating point position installing receives and reflects the emission light of described infraluminescence light source;
In projected picture method of adjustment of the present invention, behind step D, also comprise:
Whether the projected picture of E. judging output satisfies default projection requirement, if not, then changes steps A.
The present invention also constructs a kind of projection arrangement, comprise projector, described projector comprises adjusting module and image output module, the infrared photography module that also comprises built-in or external projector, described infrared photography module is used for the Infrared of receiving target projected picture anchor point and determines the anchor point coordinate, determine the quadrilateral of target projection picture then according to the anchor point coordinate, adjusting module is adjusted projected picture according to the quadrilateral of described target projection picture, and image output module is exported adjusted projected picture.
In projection arrangement of the present invention, described device also comprises the infraluminescence pen, and described infraluminescence pen is used for luminously on the locating point position of target projection picture coming positioning projection's picture.
In projection arrangement of the present invention, described device also comprises the infrared-emitting diode on the locating point position that is installed in the target projection picture, and described infrared-emitting diode is used for luminously on the locating point position of target projection picture coming positioning projection's picture.
In projection arrangement of the present invention, described device also comprises and is installed in the projector and infraluminescence light source that light emission direction is consistent with projector image projection direction and be installed in reflecting piece on the locating point position of target projection picture, and described reflecting piece is used to receive and the emission light of reflective infrared illuminating source comes the position of positioning projection's picture.
In projection arrangement of the present invention, described reflecting piece is a tinfoil.
Implement projected picture method of adjustment of the present invention and projection arrangement, the Infrared of infrared photography module receiving target projected picture locating point position, determine the anchor point coordinate then, and determine the quadrilateral of target projection picture according to the anchor point coordinate, adjusting module is adjusted projected picture according to the quadrilateral of described target projection picture, export adjusted projected picture by image output module at last, therefore, use projection arrangement of the present invention and projected picture method of adjustment, can finish adjustment according to anchor point is disposable, therefore precision height, speed are fast, workable.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Synoptic diagram when Figure 1A is projector and projected picture zone out of plumb;
Figure 1B is the projected picture synoptic diagram when projector and projected picture zone out of plumb;
Fig. 2 A is the building-block of logic of the embodiment of projector in the projection arrangement of the present invention;
Fig. 2 B is the synoptic diagram of contrast before and after projected picture of the present invention is proofreaied and correct;
Fig. 3 A is the synoptic diagram of projected picture method of adjustment embodiment one of the present invention;
Fig. 3 B is the inside principle assumption diagram of infraluminescence pen of the present invention;
Fig. 3 C is the process flow diagram of projected picture method of adjustment embodiment one of the present invention;
Fig. 4 A is the synoptic diagram of projected picture method of adjustment embodiment two of the present invention;
Fig. 4 B is the process flow diagram of projected picture method of adjustment embodiment two of the present invention;
Fig. 5 A is the building-block of logic of another embodiment of projector in the projection arrangement of the present invention;
Fig. 5 B is the synoptic diagram of projected picture method of adjustment embodiment three of the present invention;
Fig. 5 C is the process flow diagram of projected picture method of adjustment embodiment three of the present invention.
Embodiment
Shown in Fig. 2 A, the building-block of logic of the embodiment of projector in projection arrangement of the present invention, this projector comprises infrared photography module 11, adjusting module 12 and image output module 13, wherein, infrared photography module 11 is used for the Infrared of receiving target projected picture anchor point, determine the anchor point coordinate according to the Infrared of anchor point then, and then determine the quadrilateral of target projection picture according to the anchor point coordinate, adjusting module 12 is associated the quadrilateral of target projection picture with the image information from the image input signal source of input, final produce after the correction by the determined target projection picture of anchor point, and being sent to image output module 13, image output module 13 is exported adjusted projected picture.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for example, infrared photography module 11 can be external in projector, and this also should be included within the claim scope of the present invention.
Shown in Fig. 2 B, in the synoptic diagram that before and after projected picture of the present invention is proofreaied and correct, contrasts, at first need to prove, because four points just can be determined the size and the position of a projected picture, and how concern regardless of the vertical and horizontal level betweenprojector 10 and theprojection screen 21, for projector, the picture that finally projects all is a quadrilateral, in Fig. 2 B, by an A1, B1, C1, the quadrilateral that D1 forms is the projected picture before proofreading and correct, point A, B, C, the quadrilateral that D forms is the projected picture after proofreading and correct, tetragonal four the summit A1 of projected picture before supposing to proofread and correct, B1, C1, the coordinate of D1 is expressed as respectively: (XA1, YA1), (XB1, YB1), (XC1, YC1) and (XD1, YD1), because the scope of projection ray fixes, so these 4 coordinate positions in the infrared photography module can constant of initialization, the coordinate of tetragonal four the some A of the projected picture after the correction, B, C, D is expressed as respectively: (XA, YA), (XB, YB), (XC, YC) and (XD, YD), for adjusting module, as long as know that (X1 Y1), and knows that rectangle proofreaies and correct the particular location of 4 of back projected picture ABCD, just can just calculate and proofread and correct the coordinate that N is put in the back for the coordinate position of proofreading and correct any 1 N among the front projection picture A1B1C1D1.
Fig. 3 A shows the synoptic diagram of projected picture method of adjustment embodiment one of the present invention, when adjusting, atfirst infraluminescence pen 30 is pressed close to the anchor point on theprojection screen 21, as an A, opening the infraluminescence pen then makes it send infrared light in an A position, at this moment, infrared photography module 11 in the projector (among Fig. 2 A) just can collect the Infrared of an A (anchor point), finished the collection of first anchor point Infrared like this,close infraluminescence pen 30 then, and it is moved to another anchor point on theprojection screen 21, as a B, same method is finished the collection of second anchor point Infrared, and the like, the Infrared up to intact four anchor points of infrared photography module collection need to prove, the present invention does not limit the order that four anchor point Infrared are gathered, and gets final product random order ground manuallys locate the target projection picture withinfraluminescence pen 30 four anchor points.
Fig. 3 B shows the inside principle assumption diagram of infraluminescence pen, thisinfraluminescence pen 30 comprises the infrared-emitting diode 33 onbattery 31, touch-switch 32 and the nib,battery 31 is used for being infrared-emitting diode 33 power supplies that touch-switch 32 is used for manually controlling the emission of infrared-emitting diode Infrared.
Fig. 3 C shows the process flow diagram of projected picture method of adjustment embodiment one of the present invention, method shown in the present embodiment starts from step S301, promptly open the automatic infrared rectangle calibration function of projection arrangement, enter step S302 then, start the infrared photography module, and the number n that the anchor point that collects is set is 0, in step S303, the infrared photography module begins to receive the Infrared of infraluminescence pen in the emission of target projection picture anchor point, and the Infrared of an anchor point of every collection, makes the number n of the anchor point that is collected add 1, then, in step S304, calculate current anchor point number n, and judge that whether n is less than 4, if, the Infrared that does not also have to have gathered four anchor points then is described, so execution in step S303, the Infrared that continues to gather anchor point; If not, the Infrared of having gathered four anchor points is described then, and then execution in step S305; In step S305, when the collection of the Infrared of having finished four anchor points, can determine the anchor point coordinate, and then determine the quadrilateral of target projection picture according to the anchor point coordinate according to the Infrared of the anchor point of being gathered; Adjusting module in step S306 according to the quadrilateral of definite target projection picture adjust projected picture; And then image output module is exported adjusted projected picture in step S307; Then, in step S308, judge whether adjusted projected picture satisfies default projection requirement, for example, the projection requirement is predeterminable is if maloperation less than 20 ° or greater than 160 °, is then thought in tetragonal one of them angle of projected picture, if do not satisfy the projection requirement, promptly be judged as maloperation, then turn to step S303, gather the Infrared of anchor point again; If satisfy the projection requirement, then finish, promptly close the infrared photography module.
Fig. 4 A shows the synoptic diagram of projected picture method of adjustment embodiment two of the present invention, in the present embodiment, the target projection picture locating point position ofprojection screen 21 is equiped with four infrared-emitting diodes emitting diodes
Fig. 4 B shows the process flow diagram of projected picture method of adjustment embodiment two of the present invention, in the method for present embodiment, step S301～S302, S305～S308 that step S401～S402, S405～S408 and embodiment one are corresponding are similar, do not do at this and give unnecessary details, and below different steps only are described.In step S403, open the switch of infrared-emitting diode, make four infrared-emitting diodes of the target projection picture locating point position on theprojection screen 21 simultaneously luminous, infrared photography module so just can receive the Infrared of four anchor points once, then in step S404, calculate the infrared positioning point number n that has received, and judge whether n equals 4, if the Infrared of having gathered 4 anchor points then is described, and then execution in step S405, if not, then the Infrared of 4 anchor points is not finished in explanation, does not work as one of them infrared-emitting diode, and then execution in step S403, finish the collection of the Infrared of anchor point again.
Shown in Fig. 5 A, the building-block of logic of another embodiment of projector in projection arrangement of the present invention, this projector comprises infrared photography module 11, adjusting module 12, image output module 13 and infraluminescence light source 14, wherein, infrared photography module 11, adjusting module 12, image output module 13 is identical with aforementioned functional, do not do at this and to give unnecessary details, described infraluminescence light source 14 is the infrared-emitting diode array, can produce stronger Infrared, the light emission direction of this infraluminescence light source 14 is consistent with the projecting direction of projector's image, because Infrared is an invisible light, therefore, can not produce any influence, when needs are adjusted projected picture, only need to open the gauge tap of infraluminescence light source 14 imaging of projector.
Fig. 5 B shows the synoptic diagram of projected picture method of adjustment embodiment three of the present invention, in the present embodiment, the target projection picture locating point position ofprojection screen 21 is equiped with four reflectingpiece projector 10 is luminous, on four reflectingpiece
Fig. 5 C shows the process flow diagram of projected picture method of adjustment embodiment three of the present invention, in the method for present embodiment, step S301～S302, S305～S308 that step S501～S502, S505～S508 and embodiment one are corresponding are similar, do not do at this and give unnecessary details, and below different steps only are described.In step S503, unlatching is positioned at the switch of infraluminescence light source in the projector, four reflectingpiece
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (10)
1. a projected picture method of adjustment is characterized in that, may further comprise the steps:
A. the Infrared of infrared photography module receiving target projected picture anchor point;
B. the infrared photography module is determined the anchor point coordinate according to the Infrared of the anchor point that is received, and determines the quadrilateral of target projection picture according to the anchor point coordinate;
C. adjusting module is adjusted projected picture according to the quadrilateral of described target projection picture;
D. image output module is exported adjusted projected picture.
2. projected picture method of adjustment according to claim 1 is characterized in that, also comprises before steps A:
A11. the infraluminescence pen of target projection picture locating point position is luminous.
3. projected picture method of adjustment according to claim 1 is characterized in that, also comprises before steps A:
A21. the infrared-emitting diode of target projection picture locating point position installing is luminous.
4. projected picture method of adjustment according to claim 1 is characterized in that, also comprises before steps A:
A31. light emission direction and the consistent infraluminescence light source luminescent of projector's image projection direction;
A32. the reflecting piece of target projection picture locating point position installing receives and reflects the emission light of described infraluminescence light source.
5. according to each described projected picture method of adjustment of claim 1 to 4, it is characterized in that, behind step D, also comprise:
Whether the projected picture of E. judging output satisfies default projection requirement, if not, then changes steps A.
6. projection arrangement, comprise projector, described projector comprises adjusting module and image output module, it is characterized in that, the infrared photography module that also comprises built-in or external projector, described infrared photography module is used for the Infrared of receiving target projected picture anchor point and determines the anchor point coordinate, determine the quadrilateral of target projection picture then according to the anchor point coordinate, adjusting module is adjusted projected picture according to the quadrilateral of described target projection picture, and image output module is exported adjusted projected picture.
7. projection arrangement according to claim 6 is characterized in that described device also comprises the infraluminescence pen, and described infraluminescence pen is used for luminously on the locating point position of target projection picture coming positioning projection's picture.
8. projection arrangement according to claim 6, it is characterized in that, described device also comprises the infrared-emitting diode on the locating point position that is installed in the target projection picture, and described infrared-emitting diode is used for luminously on the locating point position of target projection picture coming positioning projection's picture.
9. projection arrangement according to claim 6, it is characterized in that, described device also comprises and is installed in the projector and infraluminescence light source that light emission direction is consistent with projector image projection direction and be installed in reflecting piece on the locating point position of target projection picture, and described reflecting piece is used to receive and the emission light of reflective infrared illuminating source comes the position of positioning projection's picture.
10. projection arrangement according to claim 9 is characterized in that, described reflecting piece is a tinfoil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189950CN102004378B (en) | 2009-09-01 | 2009-09-01 | Method for adjusting projection picture and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189950CN102004378B (en) | 2009-09-01 | 2009-09-01 | Method for adjusting projection picture and projection device |
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| Publication Number | Publication Date |
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| CN102004378Atrue CN102004378A (en) | 2011-04-06 |
| CN102004378B CN102004378B (en) | 2012-06-27 |
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| CN 200910189950Expired - Fee RelatedCN102004378B (en) | 2009-09-01 | 2009-09-01 | Method for adjusting projection picture and projection device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188466A (en)* | 2011-12-31 | 2013-07-03 | 联想(北京)有限公司 | Data projection method and electronic equipment |
| CN103491328A (en)* | 2013-06-26 | 2014-01-01 | 苏州联科盛世科技有限公司 | Vein projector with image correction function and image correction method |
| CN105323517A (en)* | 2014-07-16 | 2016-02-10 | 腾讯科技（深圳）有限公司 | Projection picture automatic calibration method and projection picture automatic calibration device |
| CN106254843A (en)* | 2016-08-24 | 2016-12-21 | 成都市极米科技有限公司 | A kind of projector and projected picture geometric correction method, Apparatus and system |
| CN107422590A (en)* | 2017-09-12 | 2017-12-01 | 中广热点云科技有限公司 | Automatically adjust the home projector system of screen size |
| CN107580204A (en)* | 2017-09-12 | 2018-01-12 | 中广热点云科技有限公司 | Realize the projecting method of automatic adjusument |
| CN107861315A (en)* | 2017-12-10 | 2018-03-30 | 罗世兰 | Projecting apparatus component |
| CN107861314A (en)* | 2017-12-10 | 2018-03-30 | 罗世兰 | Projecting apparatus with angle regulation function |
| CN107861313A (en)* | 2017-12-10 | 2018-03-30 | 罗世兰 | For adjusting the device of projector position |
| CN108519717A (en)* | 2018-02-28 | 2018-09-11 | 歌尔股份有限公司 | It projects robot device and projects the picture adjusting method of robot |
| CN110662009A (en)* | 2018-06-28 | 2020-01-07 | 视联动力信息技术股份有限公司 | Curtain positioning method and device |
| CN110807805A (en)* | 2019-11-11 | 2020-02-18 | 成都极米科技股份有限公司 | Curtain area positioning method and device, projection equipment and medium |
| CN110910376A (en)* | 2019-11-27 | 2020-03-24 | 成都极米科技股份有限公司 | Curtain positioning method, device and system based on fluorescent pattern and storable medium |
| CN111061421A (en)* | 2019-12-19 | 2020-04-24 | 北京澜景科技有限公司 | Picture projection method and device and computer storage medium |
| CN112099300A (en)* | 2020-09-25 | 2020-12-18 | 广州互媒盈动文化传媒科技有限公司 | Multimedia equipment user interface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7746321B2 (en)* | 2004-05-28 | 2010-06-29 | Erik Jan Banning | Easily deployable interactive direct-pointing system and presentation control system and calibration method therefor |
- 2009
- 2009-09-01CNCN 200910189950patent/CN102004378B/ennot_activeExpired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188466A (en)* | 2011-12-31 | 2013-07-03 | 联想(北京)有限公司 | Data projection method and electronic equipment |
| CN103491328A (en)* | 2013-06-26 | 2014-01-01 | 苏州联科盛世科技有限公司 | Vein projector with image correction function and image correction method |
| CN105323517A (en)* | 2014-07-16 | 2016-02-10 | 腾讯科技（深圳）有限公司 | Projection picture automatic calibration method and projection picture automatic calibration device |
| CN106254843A (en)* | 2016-08-24 | 2016-12-21 | 成都市极米科技有限公司 | A kind of projector and projected picture geometric correction method, Apparatus and system |
| CN107422590A (en)* | 2017-09-12 | 2017-12-01 | 中广热点云科技有限公司 | Automatically adjust the home projector system of screen size |
| CN107580204A (en)* | 2017-09-12 | 2018-01-12 | 中广热点云科技有限公司 | Realize the projecting method of automatic adjusument |
| CN107422590B (en)* | 2017-09-12 | 2020-09-08 | 中广热点云科技有限公司 | Household projection system capable of automatically adjusting size of projection surface |
| CN107861313A (en)* | 2017-12-10 | 2018-03-30 | 罗世兰 | For adjusting the device of projector position |
| CN107861314A (en)* | 2017-12-10 | 2018-03-30 | 罗世兰 | Projecting apparatus with angle regulation function |
| CN107861315A (en)* | 2017-12-10 | 2018-03-30 | 罗世兰 | Projecting apparatus component |
| CN108519717A (en)* | 2018-02-28 | 2018-09-11 | 歌尔股份有限公司 | It projects robot device and projects the picture adjusting method of robot |
| CN110662009A (en)* | 2018-06-28 | 2020-01-07 | 视联动力信息技术股份有限公司 | Curtain positioning method and device |
| CN110662009B (en)* | 2018-06-28 | 2021-10-19 | 视联动力信息技术股份有限公司 | Curtain positioning method and device |
| CN110807805A (en)* | 2019-11-11 | 2020-02-18 | 成都极米科技股份有限公司 | Curtain area positioning method and device, projection equipment and medium |
| CN110910376A (en)* | 2019-11-27 | 2020-03-24 | 成都极米科技股份有限公司 | Curtain positioning method, device and system based on fluorescent pattern and storable medium |
| CN111061421A (en)* | 2019-12-19 | 2020-04-24 | 北京澜景科技有限公司 | Picture projection method and device and computer storage medium |
| CN111061421B (en)* | 2019-12-19 | 2021-07-20 | 北京澜景科技有限公司 | Picture projection method and device and computer storage medium |
| CN112099300A (en)* | 2020-09-25 | 2020-12-18 | 广州互媒盈动文化传媒科技有限公司 | Multimedia equipment user interface |
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| Publication number | Publication date |
|---|---|
| CN102004378B (en) | 2012-06-27 |
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