CN102830583A - Eye shield projection method - Google Patents
Eye shield projection method Download PDFInfo
- Publication number
- CN102830583A CN102830583A CN2012103670913A CN201210367091A CN102830583A CN 102830583 A CN102830583 A CN 102830583A CN 2012103670913 A CN2012103670913 A CN 2012103670913A CN 201210367091 A CN201210367091 A CN 201210367091A CN 102830583 A CN102830583 A CN 102830583A
- Authority
- CN
- China
- Prior art keywords
- infrared ray
- reporter
- projector
- geometric
- ken
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to an eye shield projection method. A reporter is positioned in front of a projection screen, and the projection method comprises the following steps: an infrared vision field processor of a sensing module is electrically connected with an infrared projector and an image receiver; invisible infrared rays are projected towards the projection screen by utilizing the infrared projector, and the image receiver captures the infrared optical image; the infrared vision field processor performs image processing of texture analysis on the received infrared optical image signal, so that two areas are separated to obtain an outline of the reporter and a geometric figure area is compared and found to be transmitted to a computer; the computer performs dark processing on the geometric figure area in the projection data, the geometric figure area in the image picture is aligned with the face of the reporter through the projection of the projector, so that the reporter is not subjected to strong light stimulation and can squarely face the person in the front; and the sensing module can continuously sense the position of the reporter, and the position of the dark processing is moved along with the reporter. The smoothness, definition and comfort level of the conference are improved.
Description
Technical field
The present invention relates to a kind of eyeshield projecting method; Especially refer to utilize invisible infrared ray to be projeced into the reporter in projection screen the place ahead; And the infrared ray image to acquisition is analyzed, is separated and compares; Let computing machine that black dull processing is done in the geometric figure zone in the projection data, reporter face just can not receive high light to stimulate, and the position of black dull processing again can be along with the reporter moves.
Background technology
At present; Along with the diverse development of society, interpersonal expression is linked up more and more important, delivers or the description of product of exterior of enterprise, lecturing activity etc. like education and training, user meeting, the official documents and correspondence of enterprises; Just regular appearance arround people's life; But, often need in the activity to use projection arrangement so that appearing of information is more convenient, so as to increasing work efficiency in order to let the participant more go deep into subject under discussion, the publisher can more be known express thoughts.
Yet, when the bulletin person stands in the place ahead of projection screen and towards projection arrangement and when paying attention to the class personnel, because of the shadow that projection arrangement the throwed person's eye of can injecting the bulletin; Just the person's that can have influence on the bulletin vision, just thereby have many people to make research and development to this problem one after another and improve, like United States Patent (USP) the 6th; Disclosed a kind of disappearing of projector gorgeous (matte) signal method that is used for for 361, No. 173, this method is earlier to screen projection one even infrared light sources; Projection one is desired display image in projection screen; Re-using the pixel signal level on the infrared ray sensing video camera detecting acquisition screen, be defined as 0 by the pixel position in the screen zone that will know demonstration is accurate, certainly is not 0 bulletin person contour area to pick out the pixel position; Then suppress should the zone signal level, with the reduction person's that is projected to the bulletin image brilliance.
In the technical scheme of original announcement, it has disclosed when the projection operation is carried out, after mat image identification technology picks out people's face position, and face's relative position of shadow user before curtain of the dark-coloured system of projection; Or utilize the horizontal level of a sensor sensing user before screen, and send a horizontal level signal, receiver receives the horizontal level signal, and processor produces a screen display frame according to the horizontal level signal and is superimposed on the projected picture.To the superpose picture of back of the picture projector is projected to screen; During projection; Screen display frame covers user's face, and above-mentioned processing mode is removed and can be received influence (the opening like door and window or light) that the room lighting degree changes easily, and can people's face or personage in projected picture, occur again the time; Produce the problem of erroneous judgement, more can produce the disappearance of not portable and installing.
Summary of the invention
The technical matters that the present invention solves provides a kind of a kind of eyeshield projecting method that solves the technological deficiency of above-mentioned existence is provided.
The present invention solves the technical scheme that its technical matters takes: a kind of eyeshield projecting method, and the reporter is positioned at projection screen the place ahead, and the computer control projector projects the raw video picture towards projection screen; Its projecting method comprises: this detecting module is for having infrared ray ken processor; Infrared ray ken processor is electrically connected with the infrared ray projector, and the infrared ray projector projects invisible infrared ray towards projection screen, and infrared ray ken processor also is electrically connected with panadaptor; Panadaptor towards projection screen with acquisition infrared ray image; And infrared ray ken processor carries out the image processing of texture analysis behind the infrared ray image signal that receives the panadaptor transmission, two zones of projection screen and reporter is separated obtaining reportorial profile; The geometric figure zone is found out in comparison again; And region data transferred to computing machine, after computing machine was done black dull processing to the geometric figure zone in the projection data, the projection data that will handle the back again transferred to projector; Let projector will handle the back image frame and project projection screen, make the black dull geometric figure zone in the image frame be aligned with reporter face.
Wherein the distance between this report person and the infrared ray projector is less than the distance between the projection screen and the infrared ray projector; Can receive the reporter earlier during infrared ray that the infrared ray projector continues to project covers; Invisible infrared ray is the plural preset light sources pattern that is rectangular; Being projeced into its plural preset light sources pattern of reportorial infrared ray just can arrange to such an extent that more crypto set and area also can be smaller; After infrared ray ken processor receives the infrared image signal of panadaptor transmission, can calculate the distribution distance or the area size of the plural preset light sources pattern in the infrared image signal, separate two zones with the texture analysis mode again.
Further, wherein this infrared ray ken processor separates two when regional with the texture analysis mode, is to utilize preset light sources pattern number in the unit area as the differentiation of region characteristic, and carries out image and cut apart and find out two interregional boundary profiles.
Further, wherein this infrared ray ken processor separates two when regional with the texture analysis mode, is to utilize distance between the two preset light sources patterns as the differentiation of region characteristic, and carries out image and cut apart and find out two interregional boundary profiles.
Further, when wherein the geometric figure zone is found out in the comparison of this infrared ray ken processor, be see through from top to bottom, whole, maximum value or minimum value mode compares and finds out a most identical geometric figure zone.
Further, wherein this geometric figure zone can be rectangle, circle or ellipse.
After adopting said structure, its objective is:
First; This infrared ray projector sends invisible infrared ray; Cover infrared ray partly by the reporter who stands in projection screen the place ahead; Let infrared ray be rectangular plural preset light sources pattern and produce arranging density and area size variation on one's body in the reporter; Infrared ray ken processor just can see through the texture analysis mode and calculate the geometric figure zone that comparison obtains reporter's profile, can be transferred to computing machine and come black dull processing is done in the geometric figure zone in the projection data, and reporter's eye aligns the geometric figure zone of black dull processing when letting the projector projection; Letting the reporter can not receive high light stimulates and can face the place ahead participant, and then can promote smooth degree, sharpness and the comfort level of meeting;
Second; The detecting reporter position of this detecting module for continuing; And see through to calculate, analyze and comparison is handled, let position that computing machine does black dull processing along with the reporter moves, can let the reporter move when explaining orally; Still have the effect of eyeshield projection and lifting applicability, and then reach the purpose that promotes effect and applicability;
The 3rd; This detecting module is not directly to judge with general image; But utilize invisible infrared ray to throw, capture, calculate, analyze and compare processing; And then can avoid detecting module that reporter's eye is exerted an influence; Because the image frame of the invisible infrared ray of detecting module emission and projector projection is variant, can avoids detecting module that projector is projected the image with people's face or personage and produce erroneous judgement again, and then reach the purpose that promotes comfort level and detecting precision;
The 4th; Only detecting module, computing machine and projector need be carried when this report person goes out, even when detecting module is arranged in the projector, then only computing machine and projector need be carried; Not only easy to carry and ornaments are also very convenient, and then can reach the purpose that promotes portability and ease of use.
Description of drawings
Fig. 1 is for being the calcspar of preferred embodiment of the present invention;
Fig. 2 is the present invention's flow chart of steps;
Synoptic diagram when Fig. 3 uses for the present invention;
Fig. 4 is the synoptic diagram of infrared ray projector emission infrared ray of the present invention;
Fig. 5 compares the synoptic diagram in geometric figure zone for the present invention;
The synoptic diagram in Fig. 6 black dull geometric figure zone for the present invention throws;
Fig. 7 is the calcspar of another embodiment of the present invention.
Among the figure: 1, detecting module 11, infrared ray ken processor 12, infrared ray are thrown the projector 13, panadaptor 2, computing machine 21, projector 3, projection screen 4, reporter.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
See also shown in first and third figure, be the calcspar of preferred embodiment of the present invention, synoptic diagram when using, find out that by knowing among the figure it is to comprise detecting module 1 and computing machine 2:
This detecting module 1 is for having infrared ray ken processor 11; Infrared ray ken processor 11 is electrically connected with and receives 11 controls of infrared ray ken processor to project the infrared ray projector 12 of infrared ray towards projection screen 3; Infrared ray ken processor 11 also is electrically connected with towards the panadaptor 13 of projection screen 3 with acquisition infrared ray image, and panadaptor 13 can be infrared receiver or infrared ray image sensor.
This computing machine 2 is for being electrically connected at the infrared ray ken processor 11 of detecting module 1, and computing machine 2 is electrically connected with towards the projector 21 of projection screen 3 with the projection image.
Above-mentioned computing machine 2, projector 21 and projection screen 3 are to be known technology, and this thin portion constitutes non-this case invention main points, repeat no more now.
See also first, second, third and fourth, five, six figure shown in; The synoptic diagram in the synoptic diagram of the synoptic diagram during for the calcspar of preferred embodiment of the present invention, flow chart of steps, use, infrared ray projector emission infrared ray, comparison geometric figure zone, throw the synoptic diagram in black dull geometric figure zone; Find out that by knowing among the figure its eyeshield projecting method is for comprising:
501) computing machine 2 control projectors 21 project projection screen 3 with the raw video picture, and the infrared ray ken processor 11 of detecting module 1 is also controlled the infrared ray projector 12 and sent invisible infrared ray;
502) panadaptor 13 captures infrared rays, and the infrared image signal is transferred to infrared ray ken processor 11;
503) infrared ray ken processor 11 just can calculate the distribution distance or the area size of the plural preset light sources pattern in the infrared image signal, and through the texture analysis mode 4 two zones of projection screen 3 and reporter is separated, and just can obtain reporter 4 profile;
504) infrared ray ken processor 11 is found out a most identical geometric figure zone to the profile comparison in reporter 4 zones again, again region data is transferred to computing machine 2;
505) after computing machine 2 just can be done black dull processing to the geometric figure zone in the projection data, the projection data that will handle the back again transferred to projector 21 and carries out projection.
In the above-mentioned steps; Computing machine 2 projects projection screen 3 for control projector 21 with the raw video picture, and simultaneously, the infrared ray ken processor 11 of detecting module 1 is also controlled the infrared ray projector 12 and sent invisible infrared ray; Invisible infrared ray is the plural preset light sources pattern that is rectangular; Its infrared ray then is projeced into projection screen 3, transfers to the image processing that infrared ray ken processor 11 carries out texture analysis again with panadaptor 13 acquisition infrared rays, and with the infrared image signal.
When reporter 4 stations when explain orally in projection screen 3 the place aheads; Because the distance between the reporter 4 and the infrared ray projector 12 is less than the distance between the projection screen 3 and the infrared ray projector 12; So; Reporter 4 can be covered infrared ray partly, but because reporter 4 is nearer apart from the infrared ray projector 12, so when infrared ray is projeced on reporter 4 the body; Its plural preset light sources pattern just can be arranged to such an extent that more crypto set and area also can be smaller; So after the infrared image signal that panadaptor 13 will capture was transferred to infrared ray ken processor 11, its infrared ray ken processor 11 just can calculate the distribution distance or the area size of the plural preset light sources pattern in the infrared image signal, and through the texture analysis mode 4 two zones of projection screen 3 and reporter was separated; Just can obtain reporter 4 profile; (as utilizing preset light sources pattern number in the unit area, or utilize distance between the two preset light sources patterns as the differentiation of region characteristic as the differentiation of region characteristic, carry out image cut apart find out two interregional boundary profiles); Be directed against the profile in reporter 4 zones again; See through from top to bottom, whole, maximum value or minimum value mode compares and finds out a geometric figure zone (like rectangle, circle or ellipse etc.) the most identical, again region data transferred to computing machine 2, just after computing machine 2 can be done black dull processing to the geometric figure zone in the projection data; The projection data that to handle the back again transfers to projector 21 and carries out projection, just can project projection screen 3 with handling the back image frame.
Because the black dull geometric figure zone after the processing of projector 21 in the image frame; Just be the position at reporter 4 or its face place; And reporter 4 face when explaining orally is the regular direction towards the participant (being projector 21 directions), and the light source that reporter's 4 eyes just can not receive projection directly throws, so can avoid letting reporter's 4 eyes produce the situation of shouting pain or sense of discomfort; And also can let reporter 4 face the place ahead participant; Just can learn participant's expression, attitude, can adjust the tone according to circumstances, explain orally the content depth, and then can promote smooth degree, sharpness and the comfort level of meeting.
In addition; Because reporter 4 stands in the original place to explain orally in the meeting; But can move the diverse location of image frame on the projection screen 3 be explained orally, thus see through detecting reporter 4 positions that detecting module 1 continues, and see through above-mentioned calculating, analysis and comparison processing; Allow position that computer 2 does black dull processing along with reporter 4 moves; Reporter 4 just can not be subjected to the limitation of position like this, and visual actual state goes to move and explain orally, and then can promote the effect of eyeshield projection and applicability.
In addition, see also shown in first and third, seven figure, be the calcspar of preferred embodiment of the present invention, the synoptic diagram when using, the calcspar of another embodiment; Find out by knowing among the figure,, but see through invisible infrared ray because be not directly to judge with general image; So can't exert an influence to reporter's 4 eyes during the infrared ray projector 12 transmitting illuminants, and when projector 21 projected the image with people's face or personage, infrared ray ken processor 11 can thereby not produce the situation of erroneous judgement yet; Moreover; When reporter 4 goes out, because only need carry detecting module 1, computing machine 2 and projector 21, if detecting module 1 is arranged in the projector 21; Then only need carry computing machine 2 and projector 21 gets final product; At computing machine 2 and projector 21 now all towards compact direction constantly under the situation of research and development, also very convenience during not only easy to carry and ornaments for reporter 4, and then can reach the purpose of lifting portability and ease of use.
The eyeshield projecting method of the invention described above when reality is used, for having following advantage, as:
(1) the infrared ray projector 12 of this detecting module 1 sends invisible infrared ray; Invisible infrared ray is the plural preset light sources pattern that is rectangular; Cover infrared ray partly by the reporter 4 who stands in projection screen 3 the place aheads, let the infrared ray arranging density and the area size that are projeced into reporter 4 change, infrared ray ken processor 11 just can see through the profile that the texture analysis mode calculates reporter 4; And the geometric figure zone is found out in comparison; Can be transferred to computing machine 2 and come black dull processing is done in the geometric figure zone in the projection data, reporter's 4 eyes can not receive its light source and directly throw when letting projector 21 projections, and letting reporter 4 can not receive high light stimulates; More the place ahead participant can be faced, and then smooth degree, sharpness and the comfort level of meeting can be promoted.
(2) these detecting module 1 detecting reporter 4 positions for continuing; And see through calculating, analysis and compare processing; Let position that computing machine 2 does black dull processing along with reporter 4 moves, can let reporter 4 move when explaining orally, still have the eyeshield projection and promote the effect of applicability.
(3) this detecting module 1 is not directly to judge with general image; But utilize invisible infrared ray to throw, capture, calculate, analyze and compare processing; And then can avoid reporter's 4 eyes are exerted an influence, can avoid that more 21 of projectors are projected the image with people's face or personage and produce erroneous judgement.
Only need carry detecting module 1, computing machine 2 and projector 21 when (four) this report person 4 goes out, even when detecting module 1 is arranged in the projector 21, then only need carry computing machine 2 and projector 21, not only easy to carry and ornaments also very convenient.
So; The present invention is for being primarily aimed at the eyeshield projecting method; And the infrared ray projector 12 that can see through detecting module 1 sends invisible infrared ray, and invisible infrared ray is the plural preset light sources pattern that is rectangular, lets the reporter 4 in projection screen 3 the place aheads cover partly infrared ray generation arranging density and area size variation; Infrared ray ken processor 11 just can calculate the geometric figure zone that comparison obtains meeting reporter's 4 profiles; And be transferred to computing machine 2 and come black dull processing is done in the geometric figure zone in the projection data, the light source that makes reporter's 4 eyes can not receive projector 21 directly throws, and more can face the place ahead participant; And then smooth degree, sharpness and the comfort level that can promote meeting are main key protection point; Be detecting reporter 4 positions that detecting module 1 is continued, let position that computing machine 2 does black dull processing along with reporter 4 moves, to have the advantage that promotes effect and applicability.
The above is merely the present invention's preferred embodiment; Non-so promptly limit to the present invention's claim; So use simple and easy for it modification of institute of instructions of the present invention and graphic content and equivalent structure to change such as, all should in like manner be contained in the present invention's the claim, close and give Chen Ming.
Claims (6)
1. eyeshield projecting method, it is characterized in that: the reporter is positioned at projection screen the place ahead, and the computer control projector projects the raw video picture towards projection screen; Its projecting method comprises: this detecting module is for having infrared ray ken processor; Infrared ray ken processor is electrically connected with the infrared ray projector, and the infrared ray projector projects invisible infrared ray towards projection screen, and infrared ray ken processor also is electrically connected with panadaptor; Panadaptor towards projection screen with acquisition infrared ray image; And infrared ray ken processor carries out the image processing of texture analysis behind the infrared ray image signal that receives the panadaptor transmission, two zones of projection screen and reporter is separated obtaining reportorial profile; The geometric figure zone is found out in comparison again; And region data transferred to computing machine, after computing machine was done black dull processing to the geometric figure zone in the projection data, the projection data that will handle the back again transferred to projector; Let projector will handle the back image frame and project projection screen, make the black dull geometric figure zone in the image frame be aligned with reporter face.
2. a kind of eyeshield projecting method according to claim 1; It is characterized in that: wherein the distance between this report person and the infrared ray projector is less than the distance between the projection screen and the infrared ray projector; Can receive the reporter earlier during infrared ray that the infrared ray projector continues to project covers; Invisible infrared ray is the plural preset light sources pattern that is rectangular; Being projeced into its plural preset light sources pattern of reportorial infrared ray just can arrange to such an extent that more crypto set and area also can be smaller; After infrared ray ken processor receives the infrared image signal of panadaptor transmission, can calculate the distribution distance or the area size of the plural preset light sources pattern in the infrared image signal, separate two zones with the texture analysis mode again.
3. a kind of eyeshield projecting method according to claim 2; It is characterized in that: wherein this infrared ray ken processor separates two when regional with the texture analysis mode; Be to utilize preset light sources pattern number in the unit area, and carry out image and cut apart and find out two interregional boundary profiles as the differentiation of region characteristic.
4. a kind of eyeshield projecting method according to claim 2; It is characterized in that: wherein this infrared ray ken processor separates two when regional with the texture analysis mode; Be to utilize distance between the two preset light sources patterns, and carry out image and cut apart and find out two interregional boundary profiles as the differentiation of region characteristic.
5. a kind of eyeshield projecting method according to claim 1; It is characterized in that: when wherein the geometric figure zone is found out in the comparison of this infrared ray ken processor, be see through from top to bottom, whole, maximum value or minimum value mode compares and finds out a most identical geometric figure zone.
6. a kind of eyeshield projecting method according to claim 5 is characterized in that: wherein this geometric figure zone can be rectangle, circle or ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103670913A CN102830583A (en) | 2012-09-28 | 2012-09-28 | Eye shield projection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103670913A CN102830583A (en) | 2012-09-28 | 2012-09-28 | Eye shield projection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102830583A true CN102830583A (en) | 2012-12-19 |
Family
ID=47333764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103670913A Pending CN102830583A (en) | 2012-09-28 | 2012-09-28 | Eye shield projection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102830583A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105786165A (en) * | 2014-12-24 | 2016-07-20 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| WO2018099247A1 (en) * | 2016-11-29 | 2018-06-07 | 中兴通讯股份有限公司 | Projection control method and device |
| CN110719449A (en) * | 2019-09-29 | 2020-01-21 | 深圳市火乐科技发展有限公司 | Focusing method of intelligent projector and related product |
| CN113301317A (en) * | 2021-02-08 | 2021-08-24 | 青岛海信激光显示股份有限公司 | Display method of projection picture and laser projection equipment |
| CN117119160A (en) * | 2023-10-24 | 2023-11-24 | 合肥联宝信息技术有限公司 | Projection control method and device, electronic equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040165154A1 (en) * | 2003-02-21 | 2004-08-26 | Hitachi, Ltd. | Projector type display apparatus |
| TWM332874U (en) * | 2007-10-26 | 2008-05-21 | Everest Display Inc | Projection device with eye protection |
| CN101196675A (en) * | 2006-12-05 | 2008-06-11 | 精工爱普生株式会社 | Projector |
| CN201299570Y (en) * | 2008-08-28 | 2009-09-02 | 深圳先进技术研究院 | Digital measuring system in shape of human face three-dimensional surface |
| CN101795375A (en) * | 2009-12-30 | 2010-08-04 | 广东威创视讯科技股份有限公司 | Device for displaying projection and method for controlling projection |
| CN102103259A (en) * | 2009-12-18 | 2011-06-22 | 深圳市巨龙科教高技术股份有限公司 | Device and method for preventing strong light irradiation of projector |
| TWM423406U (en) * | 2011-09-14 | 2012-02-21 | Tlj Intertech Inc | Object-depth calculation device |
-
2012
- 2012-09-28 CN CN2012103670913A patent/CN102830583A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040165154A1 (en) * | 2003-02-21 | 2004-08-26 | Hitachi, Ltd. | Projector type display apparatus |
| CN101196675A (en) * | 2006-12-05 | 2008-06-11 | 精工爱普生株式会社 | Projector |
| TWM332874U (en) * | 2007-10-26 | 2008-05-21 | Everest Display Inc | Projection device with eye protection |
| CN201299570Y (en) * | 2008-08-28 | 2009-09-02 | 深圳先进技术研究院 | Digital measuring system in shape of human face three-dimensional surface |
| CN102103259A (en) * | 2009-12-18 | 2011-06-22 | 深圳市巨龙科教高技术股份有限公司 | Device and method for preventing strong light irradiation of projector |
| CN101795375A (en) * | 2009-12-30 | 2010-08-04 | 广东威创视讯科技股份有限公司 | Device for displaying projection and method for controlling projection |
| TWM423406U (en) * | 2011-09-14 | 2012-02-21 | Tlj Intertech Inc | Object-depth calculation device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105786165A (en) * | 2014-12-24 | 2016-07-20 | 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 |
| WO2018099247A1 (en) * | 2016-11-29 | 2018-06-07 | 中兴通讯股份有限公司 | Projection control method and device |
| CN110719449A (en) * | 2019-09-29 | 2020-01-21 | 深圳市火乐科技发展有限公司 | Focusing method of intelligent projector and related product |
| CN110719449B (en) * | 2019-09-29 | 2021-12-21 | 深圳市火乐科技发展有限公司 | Focusing method of intelligent projector and related product |
| CN113301317A (en) * | 2021-02-08 | 2021-08-24 | 青岛海信激光显示股份有限公司 | Display method of projection picture and laser projection equipment |
| CN113301317B (en) * | 2021-02-08 | 2023-04-14 | 青岛海信激光显示股份有限公司 | Display method of projection picture and laser projection equipment |
| CN117119160A (en) * | 2023-10-24 | 2023-11-24 | 合肥联宝信息技术有限公司 | Projection control method and device, electronic equipment and storage medium |
| CN117119160B (en) * | 2023-10-24 | 2024-02-06 | 合肥联宝信息技术有限公司 | Projection control method and device, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102830583A (en) | Eye shield projection method | |
| US11693242B2 (en) | Head-mounted display for virtual and mixed reality with inside-out positional, user body and environment tracking | |
| US9508017B2 (en) | Device for capturing image of iris and user recognition device applying same in order to control access | |
| US6959102B2 (en) | Method for increasing the signal-to-noise in IR-based eye gaze trackers | |
| CN105182662B (en) | Projecting method and system with augmented reality effect | |
| CN103838378B (en) | A kind of wear-type eyes control system based on pupil identification positioning | |
| CN106843460B (en) | Multiple target position capture positioning system and method based on multi-cam | |
| CN105659200B (en) | For showing the method, apparatus and system of graphic user interface | |
| WO2019067470A1 (en) | Physical boundary guardian | |
| US10552675B2 (en) | Method and apparatus for eye detection from glints | |
| KR20120057033A (en) | Gaze tracking system and method for controlling internet protocol tv at a distance | |
| CN103908063A (en) | Intelligent desk with sitting posture correcting function and correcting method implemented by intelligent desk | |
| JPH1124603A (en) | Information display device and information collecting device | |
| US10600218B2 (en) | Display control system, display control apparatus, display control method, and storage medium | |
| CN101872329A (en) | Intelligent video projection system for protecting eyes of speechmaker | |
| KR101961266B1 (en) | Gaze Tracking Apparatus and Method | |
| CN103565399B (en) | Pupil detector | |
| KR101426378B1 (en) | System and Method for Processing Presentation Event Using Depth Information | |
| CN110941381A (en) | Display screen brightness adjusting method and system of conference all-in-one machine and conference all-in-one machine | |
| Ebisawa | Realtime 3D position detection of human pupil | |
| CN101216661B (en) | Projection device and system | |
| EP3051386A1 (en) | Eye tracking system and method | |
| CN106557738A (en) | A kind of long-distance iris identification device | |
| US11189047B2 (en) | Gaze based rendering for audience engagement | |
| CN204390638U (en) | A kind of shadow advertising integrated machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121219 |