CN106101677A - Projection Image Adjusting system and method for adjustment - Google Patents
Projection Image Adjusting system and method for adjustment Download PDFInfo
- Publication number
- CN106101677A CN106101677A CN201610675258.0A CN201610675258A CN106101677A CN 106101677 A CN106101677 A CN 106101677A CN 201610675258 A CN201610675258 A CN 201610675258A CN 106101677 A CN106101677 A CN 106101677A
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- China
- Prior art keywords
- projection
- grid
- image
- remote control
- wireless remote
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Classifications
-
- 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
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
Abstract
The present invention provides a kind of projection Image Adjusting system, it includes the projecting cell of the image information for projecting grid and image on the projection screen, for sending the wireless remote control unit of the displacement signal of the grid projected by described projecting cell, for receiving and process the displacement signal that described wireless remote control unit sends the wireless remote control reception processing unit generating location coordinate information, receive, for receiving described wireless remote control, the location coordinate information that processing unit generates, image is carried out the graphics processing unit of computing and adjustment.Projection screen is carried out gridding adjustment by the way of wireless remote control unit by above-mentioned projection Image Adjusting system, can be in projector shift position or in the case of reinstalling, receive processing unit by wireless remote control unit and wireless remote control and quickly complete the geometric correction of image, solve the Correction Problems of irregular projection screen.The present invention also provides for the method for adjustment of a kind of projection picture.
Description
Technical field
The present invention relates to shadow casting technique, particularly relate to a kind of projection Image Adjusting system and method for adjustment.
Background technology
Along with the development of technology, projector shows at large-size screen monitors and commercially available is increasingly widely applied, including display and demonstration,
Numeral teaching, enterprises and institutions of government conference system and video monitoring.Projector is owing to installing and the restriction of crevice projection angle, all
It is inevitably generated the trapezoidal distortion of projection picture, and along with new application scenarios demand, projection is no longer limited to shape
Regular screen.General projector all can provide trapezoid correction function, and this function can solve trapezoidal to a certain extent
The problem of distortion, but there is limitation in the accuracy of effect and correction.
According to level inclination and vertical dip angle pre-twist raw video to obtain a correcting image, and project correcting image and exist
On object.But this system is only applicable to adjust the projection screen being shaped as horizontal and vertical, being not suitable for projection screen is not
The adjustment of regular shape.
Summary of the invention
Based on this, it is necessary to provide a kind of projection Image Adjusting system that can adjust irregular projection screen and adjustment side
Method.
The present invention provides a kind of projection Image Adjusting system, and it includes projecting cell, for projecting net on the projection screen
Lattice and the image information of image；Wireless remote control unit, for sending the displacement signal of the grid projected by described projecting cell；Nothing
Line remote control reception processing unit, for receiving and process the displacement signal that described wireless remote control unit sends, generates position coordinates
Information；Graphics processing unit, receives, for receiving described wireless remote control, the location coordinate information that processing unit generates, enters image
Row operation and adjustment.
Wherein, described wireless remote control unit is additionally operable to choose the cursor of projection Image Adjusting system to be transmitted mobile finger
Order.
Wherein, described wireless remote control reception processing unit is additionally operable to receive described move.
Wherein, described graphics processing unit is used for calculating the geometric deformation parameter of image according to described location coordinate information,
Described grid is made to be adjusted with light target displacement.
Wherein, described projecting cell is additionally operable to receive the adjusted grid of described graphics processing unit output, and projects
At described projection screen.
Wherein, described projecting cell projects crisscross and orthogonal grid lines to projection screen.
Wherein, described projection screen is circular arc.
It addition, also provide for the method for adjustment of a kind of projection picture, it includes step: project grid at projection screen, is formed
Grid regions；Each joining in grid regions is sent displacement signal；Received bit shifting signal also generates location coordinate information, calculates image
Geometric deformation parameter, make the grid lines of grid regions be adjusted with light target displacement, produce the adjusted grid lines of geometry；Figure
As being corrected by the geometric deformation of described grid lines and showing.
Wherein, project grid at described step projection screen, formed in grid regions, adjust the position of projector equipment, make net
The surrounding in lattice district is wider than the frame of projection screen 3 ~ 10 centimetres.
Wherein, when described grid regions overlaps with projection screen, preserve the parameter after adjusting, make the image that projecting cell projects
By the position display of grid after adjusting.
Projection screen is carried out gridding adjustment by the way of wireless remote control unit by above-mentioned projection Image Adjusting system, can
With in projector shift position or in the case of reinstalling, receive processing unit by wireless remote control unit and wireless remote control fast
Complete the geometric correction of image fastly, solve the Correction Problems of irregular projection screen.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of the projection Image Adjusting system described in embodiment；
Fig. 2 is the curved projection screen of the projection Image Adjusting system described in embodiment；
Fig. 3 is the schematic diagram that the projecting cell projecting Image Adjusting system described in embodiment projects grid on the projection screen；
Fig. 4 is the grid of the projection Image Adjusting system described in embodiment schematic diagram after geometry adjusts；
Fig. 5 is the method step of the projection Image Adjusting described in embodiment；
Fig. 6 is the workflow diagram of the projection Image Adjusting system described in embodiment.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, providing the purpose of these embodiments is to make to understand the disclosure more
Add thorough comprehensive.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more
Arbitrary and all of combination of relevant Listed Items.
Such as Fig. 1, a kind of projection Image Adjusting system includes that projecting cell 10, wireless remote control unit 20, wireless remote control receive
Processing unit 30, graphics processing unit 40.
Projecting cell 10 is for projecting grid 60 and the image information of image on projection screen 50.Wireless remote control unit 20
For sending the displacement signal of the grid 60 projected by described projecting cell 10.Wireless remote control receives processing unit 30 and is used for receiving
The displacement signal sent with the described wireless remote control unit 20 of process, generates location coordinate information.Graphics processing unit 40 is used for connecing
Receive described wireless remote control and receive the location coordinate information that processing unit 30 generates, image is carried out computing and adjustment.
Incorporated by reference to Fig. 3 and Fig. 4, described wireless remote control unit 20 is additionally operable to choose the cursor 70 of system to be transmitted mobile finger
Order.Such as send the move that direction is moved vertically and horizontally.Described wireless remote control receives processing unit 30 and is additionally operable to receive
Described move.
Described graphics processing unit 40, for calculating the geometric deformation parameter of image according to described location coordinate information, makes institute
State grid 60 to be adjusted with light target displacement.Circular arc type screen i.e. it is projected out such as projection screen 50 circular arc type.Image geometry
Adjustment technology, carries out gridding adjustment by wireless remote control unit to image display area, makes image by the geometric deformation of grid
It is corrected and shows.
Described projecting cell 10 is additionally operable to receive the adjusted grid 60 of described graphics processing unit 40 output, and projects
At described projection screen 50.
When described projection screen 50 is rectangle or square, described projecting cell 10 projects crisscross and the most vertical
Straight grid 60 line is to projection screen 50.Described projection screen 50 is circular arc, grid 60 line of described projecting cell 10 projection
Also it is curved line.
Projection screen is carried out gridding adjustment by the way of wireless remote control unit by above-mentioned projection Image Adjusting system, can
In projector shift position or in the case of reinstalling, to be quickly completed the geometry school of image by wireless infrared remote control
Just, the Correction Problems of irregular projection screen is solved.
It addition, refer to Fig. 5 and Fig. 6, the present embodiment also provides for the method for adjustment of a kind of projection picture, including step；
S100, projection screen project grid, formed grid regions.
First, arranging projection screen, projection screen can be rectangle (such as Fig. 3) or circular arc (such as Fig. 4).Projection screen
Can be traditional projection screen, it is also possible to be a metope or arbitrarily can be projected the image place for identification.
The projecting cell of projector equipment projects grid on the projection screen.In the illustrated embodiment, projecting cell projection one
The grid lines of width M*N is to view field.In the case of projector equipment does not adjusts, the area of grid regions is more than view field
Position, refers to such as Fig. 5 or Fig. 6.Further, adjust the position of projector equipment, make the surrounding limit than projection screen of grid regions
Frame is wide 3 ~ 10 centimetres.
In an initial condition, the cursor of projector equipment is positioned at the upper left corner of grid regions in grid regions.
S200, in grid regions each joining send displacement signal.
With wireless remote control unit, cursor is chosen to be transmitted upper and lower, left and right move.Wireless remote control unit can be
Infrared, WIFI or radio frequency.Each joining in grid regions is sent the move of upper and lower, left and right.
S300, received bit shifting signal also generate location coordinate information.
S400, the geometric deformation parameter of calculating image, make the grid lines of grid regions be adjusted with light target displacement, produce
The adjusted grid lines of geometry.
Graphics processing unit receives the displacement information of Radio infrared remote control reception processing unit, calculates the geometric deformation of image
Parameter, makes grid be adjusted with light target displacement, produces the adjusted grid lines of geometry.
S500, projecting cell receive the adjusted grid lines of geometry of graphics processing unit output, are incident upon by grid lines
On projection screen.
Observe whether grid lines overlaps with projection screen, if misaligned, repeat S200-S500.
When grid regions overlaps with projection screen, represent that the geometry having completed projection adjusts.
S600, preserve the parameter after the grid lines geometry of grid regions adjusts, after making image that projecting cell project by adjustment
The position display of grid.Image geometry adjustment technology, carries out gridding adjustment by wireless remote control unit to image display area,
Image is made to be corrected by the geometric deformation of grid and show.
Projection screen is carried out gridding adjustment by the way of wireless remote control unit by above-mentioned projection Image Adjusting system, can
With in projector shift position or in the case of reinstalling, receive processing unit by wireless remote control unit and wireless remote control fast
Complete the geometric correction of image fastly, solve the Correction Problems of irregular projection screen.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. one kind projection Image Adjusting system, it is characterised in that include projecting cell, on the projection screen projection grid and
The image information of image；Wireless remote control unit, for sending the displacement signal of the grid projected by described projecting cell；Wireless remote
Control receives processing unit, for receiving and process the displacement signal that described wireless remote control unit sends, generates location coordinate information；
Graphics processing unit, receives, for receiving described wireless remote control, the location coordinate information that processing unit generates, transports image
Calculate and adjust.
2. projection Image Adjusting system as claimed in claim 1, it is characterised in that described wireless remote control unit is additionally operable to choose
The cursor of projection Image Adjusting system is transmitted move.
3. projection Image Adjusting system as claimed in claim 2, it is characterised in that described wireless remote control receives processing unit also
For receiving described move.
4. projection Image Adjusting system as claimed in claim 3, it is characterised in that described graphics processing unit is for according to institute
State location coordinate information and calculate the geometric deformation parameter of image, make described grid be adjusted with light target displacement.
5. projection Image Adjusting system as claimed in claim 4, it is characterised in that it is described that described projecting cell is additionally operable to reception
The adjusted grid of graphics processing unit output, and it is incident upon described projection screen.
6. projection Image Adjusting system as claimed in claim 1, it is characterised in that the projection of described projecting cell crisscross and
Orthogonal grid lines is to projection screen.
7. projection Image Adjusting system as claimed in claim 1, it is characterised in that described projection screen is circular arc.
8. the method for adjustment of a projection picture, it is characterised in that include step: project grid at projection screen, form grid
District；Each joining in grid regions is sent displacement signal；Received bit shifting signal also generates location coordinate information, calculates the several of image
What deformation parameter, makes the grid lines of grid regions be adjusted with light target displacement, produces the adjusted grid lines of geometry；Image is pressed
The geometric deformation of described grid lines is corrected and shows.
9. the method for adjustment of projection picture as claimed in claim 1, it is characterised in that project net at described step projection screen
Lattice, are formed in grid regions, adjust the position of projector equipment, and the surrounding making grid regions is wider than the frame of projection screen 3 ~ 10 centimetres.
10. the method for adjustment of projection picture as claimed in claim 1, it is characterised in that described grid regions and projection screen weight
During conjunction, preserve the parameter after adjusting, make the image that projecting cell projects by the position display of grid after adjusting.
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| CN201610675258.0A CN106101677A (en) | 2016-08-17 | 2016-08-17 | Projection Image Adjusting system and method for adjustment |
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| CN201610675258.0A CN106101677A (en) | 2016-08-17 | 2016-08-17 | Projection Image Adjusting system and method for adjustment |
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| CN201610675258.0A Pending CN106101677A (en) | 2016-08-17 | 2016-08-17 | Projection Image Adjusting system and method for adjustment |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683134A (en) * | 2017-01-25 | 2017-05-17 | 触景无限科技（北京）有限公司 | Table lamp image calibration method and device |
| CN108012129A (en) * | 2017-05-09 | 2018-05-08 | 上海纬而视科技股份有限公司 | A kind of method of adjustment of abnormity image |
| CN109413402A (en) * | 2018-11-09 | 2019-03-01 | 四川长虹电器股份有限公司 | Adapt to the image correction system and method for any screen |
| CN109698944A (en) * | 2017-10-23 | 2019-04-30 | 深圳市Tcl高新技术开发有限公司 | View field's bearing calibration, projection device and computer readable storage medium |
| CN110290366A (en) * | 2019-07-26 | 2019-09-27 | 四川长虹电器股份有限公司 | Laser television multipoint images bearing calibration |
| CN110475110A (en) * | 2019-09-25 | 2019-11-19 | 上海迪东实业有限公司 | Projected image geometric correction method, projected image geometrical correction device and projector |
| CN111918043A (en) * | 2019-05-10 | 2020-11-10 | 中强光电股份有限公司 | Projection system, projection screen adjusting method and projector |
| CN112135111A (en) * | 2020-09-22 | 2020-12-25 | 鲁迅美术学院艺术工程总公司 | Projection picture correction method |
| CN112637575A (en) * | 2020-12-14 | 2021-04-09 | 四川长虹电器股份有限公司 | Automatic image correction system and method for ultra-short-focus laser projector |
| CN112702584A (en) * | 2019-10-23 | 2021-04-23 | 中强光电股份有限公司 | Projection system and image adjusting method thereof |
| CN113271447A (en) * | 2021-05-25 | 2021-08-17 | 青岛海信激光显示股份有限公司 | Laser projection apparatus and image correction system |
| CN115225875A (en) * | 2022-06-17 | 2022-10-21 | 苏州蓝博控制技术有限公司 | Auxiliary display device of excavator and display method thereof |
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| CN103034029A (en) * | 2011-09-30 | 2013-04-10 | 精工爱普生株式会社 | Projector and control method for the projector |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683134B (en) * | 2017-01-25 | 2019-12-31 | 触景无限科技（北京）有限公司 | Image calibration method and device for desk lamp |
| CN106683134A (en) * | 2017-01-25 | 2017-05-17 | 触景无限科技（北京）有限公司 | Table lamp image calibration method and device |
| CN108012129A (en) * | 2017-05-09 | 2018-05-08 | 上海纬而视科技股份有限公司 | A kind of method of adjustment of abnormity image |
| CN109698944A (en) * | 2017-10-23 | 2019-04-30 | 深圳市Tcl高新技术开发有限公司 | View field's bearing calibration, projection device and computer readable storage medium |
| CN109698944B (en) * | 2017-10-23 | 2021-04-02 | 深圳市Tcl高新技术开发有限公司 | Projection area correction method, projection apparatus, and computer-readable storage medium |
| CN109413402A (en) * | 2018-11-09 | 2019-03-01 | 四川长虹电器股份有限公司 | Adapt to the image correction system and method for any screen |
| CN111918043A (en) * | 2019-05-10 | 2020-11-10 | 中强光电股份有限公司 | Projection system, projection screen adjusting method and projector |
| US11303863B2 (en) | 2019-05-10 | 2022-04-12 | Coretronic Corporation | Projection system, projection image adjusting method and projector |
| CN110290366A (en) * | 2019-07-26 | 2019-09-27 | 四川长虹电器股份有限公司 | Laser television multipoint images bearing calibration |
| CN110475110A (en) * | 2019-09-25 | 2019-11-19 | 上海迪东实业有限公司 | Projected image geometric correction method, projected image geometrical correction device and projector |
| CN112702584A (en) * | 2019-10-23 | 2021-04-23 | 中强光电股份有限公司 | Projection system and image adjusting method thereof |
| CN112135111A (en) * | 2020-09-22 | 2020-12-25 | 鲁迅美术学院艺术工程总公司 | Projection picture correction method |
| CN112637575A (en) * | 2020-12-14 | 2021-04-09 | 四川长虹电器股份有限公司 | Automatic image correction system and method for ultra-short-focus laser projector |
| CN113271447A (en) * | 2021-05-25 | 2021-08-17 | 青岛海信激光显示股份有限公司 | Laser projection apparatus and image correction system |
| CN113271447B (en) * | 2021-05-25 | 2022-10-25 | 青岛海信激光显示股份有限公司 | Laser projection apparatus and image correction system |
| CN115225875A (en) * | 2022-06-17 | 2022-10-21 | 苏州蓝博控制技术有限公司 | Auxiliary display device of excavator and display method thereof |
| CN115225875B (en) * | 2022-06-17 | 2023-12-01 | 苏州蓝博控制技术有限公司 | Display method of auxiliary display device of excavator |
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