CN102103259A - Device and method for preventing strong light irradiation of projector - Google Patents
Device and method for preventing strong light irradiation of projector Download PDFInfo
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- CN102103259A CN102103259A CN2009101890813A CN200910189081A CN102103259A CN 102103259 A CN102103259 A CN 102103259A CN 2009101890813 A CN2009101890813 A CN 2009101890813A CN 200910189081 A CN200910189081 A CN 200910189081A CN 102103259 A CN102103259 A CN 102103259A
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Abstract
The invention relates to a device and a method for preventing strong light irradiation of a projector. The device comprises image pickup equipment, a computer, the projector, and a projection screen; the method comprises the following steps of: acquiring the whole image of people in a projection region by controlling image pickup equipment, wherein the whole image comprises an outline of people and a projection image; comparing a human image saved in a human face characteristic database with the whole image to recognize the outline of the human face; determining the region of the image of the computer screen where the human face is according to the outline; shading the region or changing the color of the region; and determining the region which is required to be protected in the computer screen according to the outline of the human face, and shading the region to be protected or changing the color of the region to be protected to prevent the strong light of the projector from irradiating human eyes.
Description
Technical field
The present invention relates to field of computer technology, more particularly, relate to a kind of protection human eye and avoid projector strong illumination method and apparatus.
Background technology
Projector is applied in the office process widely; computer screen is projected on projection screen or the electronic whiteboard plate face by projector; the operator operates electronic whiteboard or when giving a lecture before projection screen; operator's eyeball suffers the strong illumination of the projector of high lumen through regular meeting, thereby user's eyeball is caused certain injury.
Summary of the invention
The technical problem to be solved in the present invention is, at the defective of existing projector strong illumination to human eye, provides a kind of method and apparatus of protecting human eye to avoid the projector strong illumination.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of projector strong illumination method of avoiding, it comprises step:
Obtain the people at view field's general image by the control picture pick-up device, described general image comprises people's profile and projected image;
Calculate and discern the profile of people's face;
Determine the zone of people's face in computer screen image according to described profile;
Described zone is blocked or is changed the processing of color.
Wherein, further, the profile of described calculating and identification people face specifically comprises step:
Obtain the image of people when projector light is shone;
Preserve described image;
Facial image and the described general image preserved in the computer face property data base are compared the profile of identification people face;
Wherein, further, describedly determine the zone of people's face in computer screen image according to described profile; Specifically comprise:
Determine the position of described people's face in projected image according to described facial contour identification;
Determine the zone of people's face in computer screen image according to described position.
A kind of projector strong illumination device of avoiding, it comprises:
The profile acquiring unit is used for obtaining the people at view field's general image by the control picture pick-up device, calculates and discern the profile of people's face according to described general image;
The zone determining unit is used for determining the zone of people's face at computer screen image according to described facial contour identification;
The zone processing unit is used for described zone is blocked or changed the processing of color.
Wherein, further, described profile acquiring unit comprises: image acquisition unit is used to obtain the image of people when projected light is shone;
Image is preserved the unit, is used to preserve described image;
The profile recognition unit is used for discerning the profile of people's face of described image.
Wherein, further, described regional determining unit comprises: position determination unit is used for determining the position of described people's face at projected image according to described facial contour identification;
The position processing unit is used for the zone and determines the zone of people's face at computer screen image according to described position.
Implement technical scheme of the present invention, have following beneficial effect: in computer screen, determine the zone that needs protection according to the identification facial contour, this protection zone is hidden or change color treatments that the strong illumination that prevents projector is to human eye.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
The shadow instrument strong illumination method flow diagram that Fig. 1 provides for the embodiment of the invention;
The computing machine that Fig. 2 provides for the embodiment of the invention and the structural representation of picture pick-up device;
The structural representation of the profile acquiring unit that Fig. 3 provides for the embodiment of the invention;
The structural representation of the regional determining unit that Fig. 4 provides for the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The invention provides a kind of projector strong illumination method of avoiding, this method comprises: the people's face that obtains the people by the control picture pick-up device is at view field's general image, and the zone of people's face in computer screen image determined in identification according to described facial contour; Described zone is blocked or is changed the processing of color.In computer screen, determine the zone that needs protection according to the profile of people's face, this protection zone is hidden or change color treatments that the strong illumination that prevents projector is to human eye.Below just come technical scheme of the present invention is described in detail with specific embodiment in conjunction with the accompanying drawings.
The embodiment of the invention provides a kind of projector strong illumination method of avoiding, this method realizes by computer program, this computer program can load on computers, computer screen throws by projector, is carried in this program in the present embodiment and describes on the computing machine of projector projects screen picture.As shown in Figure 1, the method comprising the steps of:
101, obtain the image of people when projected light is shone by the control picture pick-up device;
Be computing machine by the first-class image of people when projected light is shone when obtaining the projector equipment irradiation of making a video recording.This image is a human body image.
102, preserve described image;
For the ease of subsequent treatment, computing machine needs this image is preserved.
103, extract the profile of the people's face in the described image;
Computing machine calculates and obtains the profile of people's face according to face recognition technology from the image of picked-up.
104, determine the position of described people's face in projected image according to described profile;
Computing machine calculates and draws the position of people's face in projected image according to above-mentioned profile.
105, determine the zone of people's face in computer screen image according to described position.
According to the position that draws in the above-mentioned steps 104, calculate and draw the zone of people's face in computer screen image.
106, described zone is blocked or is changed the processing of color.
This zone can be become does not a kind ofly have the color of injury to human eye, as ash dark-coloured or, directly block this zone.
Like this, during the computer screen image projection, people's face just in time is in occlusion area, effectively prevents the irradiation of the high light of projector to people's face.
The embodiment of the invention provides a kind of projector strong illumination device of avoiding, and comprises computing machine and picture pick-up device, projector, projection screen; Be used to control projector and carry out in the middle of the projection, as shown in Figure 2, this device comprises:
Wherein, further among the embodiment, as shown in Figure 3, described profile acquiring unit 210 comprises: image acquisition unit 211 is used to obtain the image of people when projected light is shone;
Image is preserved unit 212, is used to preserve described image;
Wherein, further among the embodiment, as shown in Figure 4, described regional determining unit 220 comprises: position determination unit 221 is used for determining the position of described people's face at projected image according to described profile;
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. avoid projector strong illumination method for one kind, it is characterized in that, comprise step:
Obtain the people at view field's general image by the control picture pick-up device, described general image comprises people's profile and projected image;
Calculate and discern the profile of people's face;
Determine the zone of people's face in computer screen image according to described profile;
Described zone is blocked or is changed the processing of color.
2. method according to claim 1 is characterized in that, the profile of described calculating and identification people face specifically comprises step:
Obtain the image of people when projector light is shone;
Preserve described image;
Facial image and the described general image preserved in the computer face property data base are compared the profile of identification people face;
3. method according to claim 1 is characterized in that, determines the zone of people's face in computer screen image according to described profile; Specifically comprise:
Determine the position of described people's face in projected image according to described profile;
Determine the zone of people's face in computer screen image according to described position.
4. avoid projector strong illumination device for one kind, it is characterized in that, comprising:
The profile acquiring unit is used for obtaining general image by the control picture pick-up device, calculates and discern the profile of people's face according to described general image;
The zone determining unit is used for determining the zone of people's face at computer screen image according to described facial contour identification;
The zone processing unit is used for described zone is blocked or changed the processing of color.
5. as computing machine as described in the claim 4, it is characterized in that described profile acquiring unit comprises: image acquisition unit is used to obtain the image of people when projected light is shone;
Image is preserved the unit, is used to preserve described image;
The profile extraction unit is used for extracting the profile of people's face of described image.
6. as computing machine as described in claim 4 or 5, it is characterized in that described regional determining unit comprises: position determination unit is used for determining the position of described people's face at projected image according to the image of people when projector light is shone;
The position processing unit is used for the zone and determines the zone of people's face at computer screen image according to described position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101890813A CN102103259B (en) | 2009-12-18 | 2009-12-18 | Device and method for preventing strong light irradiation of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101890813A CN102103259B (en) | 2009-12-18 | 2009-12-18 | Device and method for preventing strong light irradiation of projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102103259A true CN102103259A (en) | 2011-06-22 |
| CN102103259B CN102103259B (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101890813A Expired - Fee Related CN102103259B (en) | 2009-12-18 | 2009-12-18 | Device and method for preventing strong light irradiation of projector |
Country Status (1)
| Country | Link |
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| CN (1) | CN102103259B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830583A (en) * | 2012-09-28 | 2012-12-19 | 苏州鼎雅电子有限公司 | Eye shield projection method |
| CN104714840A (en) * | 2013-12-13 | 2015-06-17 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104902200A (en) * | 2015-05-28 | 2015-09-09 | 深圳市智歌科技有限公司 | Projector with human eye recognition protection system |
| CN105007439A (en) * | 2015-07-15 | 2015-10-28 | 合肥联宝信息技术有限公司 | Projector and method for avoiding projecting projected image on human body |
| CN105320949A (en) * | 2015-11-23 | 2016-02-10 | 西安中科晶像光电科技有限公司 | A screen shielding and eye protection system and method |
| CN105426831A (en) * | 2015-11-12 | 2016-03-23 | 西安中科晶像光电科技有限公司 | Intelligent system and method capable of avoiding projector glare |
| CN105959659A (en) * | 2016-04-28 | 2016-09-21 | 乐视控股（北京）有限公司 | Method for realizing projector adaptive adjustment and projector |
| WO2018099247A1 (en) * | 2016-11-29 | 2018-06-07 | 中兴通讯股份有限公司 | Projection control method and device |
| CN110351543A (en) * | 2018-04-03 | 2019-10-18 | 联发科技股份有限公司 | The method and device of the infrared line projection's control of adaptability |
| CN115086627A (en) * | 2022-06-06 | 2022-09-20 | 岚图汽车科技有限公司 | Projector control method and device and vehicle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4978260B2 (en) * | 2007-03-23 | 2012-07-18 | セイコーエプソン株式会社 | Remote control device, projector system, and control method of remote control device |
| CN101424864B (en) * | 2007-11-01 | 2011-06-08 | 鸿富锦精密工业（深圳）有限公司 | Projection device protective system and protection method |
| CN201177720Y (en) * | 2007-11-21 | 2009-01-07 | 光峰科技股份有限公司 | Camera apparatus having human eye protection function |
| CN101452193B (en) * | 2007-11-30 | 2010-12-22 | 联想(北京)有限公司 | Device with projection control function, projection control method, computer and porjector |
-
2009
- 2009-12-18 CN CN2009101890813A patent/CN102103259B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830583A (en) * | 2012-09-28 | 2012-12-19 | 苏州鼎雅电子有限公司 | Eye shield projection method |
| CN104714840B (en) * | 2013-12-13 | 2019-01-15 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN104714840A (en) * | 2013-12-13 | 2015-06-17 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104902200A (en) * | 2015-05-28 | 2015-09-09 | 深圳市智歌科技有限公司 | Projector with human eye recognition protection system |
| CN105007439A (en) * | 2015-07-15 | 2015-10-28 | 合肥联宝信息技术有限公司 | Projector and method for avoiding projecting projected image on human body |
| CN105426831A (en) * | 2015-11-12 | 2016-03-23 | 西安中科晶像光电科技有限公司 | Intelligent system and method capable of avoiding projector glare |
| CN105320949A (en) * | 2015-11-23 | 2016-02-10 | 西安中科晶像光电科技有限公司 | A screen shielding and eye protection system and method |
| CN105959659A (en) * | 2016-04-28 | 2016-09-21 | 乐视控股（北京）有限公司 | Method for realizing projector adaptive adjustment and projector |
| WO2018099247A1 (en) * | 2016-11-29 | 2018-06-07 | 中兴通讯股份有限公司 | Projection control method and device |
| CN110351543A (en) * | 2018-04-03 | 2019-10-18 | 联发科技股份有限公司 | The method and device of the infrared line projection's control of adaptability |
| TWI735858B (en) * | 2018-04-03 | 2021-08-11 | 聯發科技股份有限公司 | Method and apparatus of adpative infrared proejction control |
| CN115086627A (en) * | 2022-06-06 | 2022-09-20 | 岚图汽车科技有限公司 | Projector control method and device and vehicle |
| CN115086627B (en) * | 2022-06-06 | 2023-05-30 | 岚图汽车科技有限公司 | Projector control method and device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102103259B (en) | 2012-11-21 |
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