CN105007439A - Projector and method for avoiding projecting projected image on human body - Google Patents
Projector and method for avoiding projecting projected image on human body Download PDFInfo
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- CN105007439A CN105007439A CN201510420629.6A CN201510420629A CN105007439A CN 105007439 A CN105007439 A CN 105007439A CN 201510420629 A CN201510420629 A CN 201510420629A CN 105007439 A CN105007439 A CN 105007439A
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- 230000001815 facial effect Effects 0.000 claims abstract description 47
- 230000000638 stimulation Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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Abstract
The invention provides a projector and a method for avoiding projecting a projected image on a human body. The projector comprises a lens, an image processing device and an image projection device, wherein the lens is used for capturing a facial image or a face and body contour; the processing device is connected to the lens for receiving the facial image or the face and body contour from the lens, and processing an area corresponding to the facial image or the face and body contour in a to-be-projected image without displaying the image in the area; and the image projection device is connected to the image processing device for projecting the image processed by the image processing device. According to the projector and the method for avoiding projecting the projected image on the human body, a problem of projecting the image on the face or the body is effectively solved, the embarrassment caused by projecting the image on the face or the body is avoided, and the stimulation of the projected light to eyes is eliminated.
Description
Technical field
The present invention relates to projector's technical field, a kind of method particularly relating to projector and avoid projected on human body.
Background technology
Nowadays, often can use projector in the occasion of such as party, awards ceremony and various meetings etc., image projection is delivered a speech as the background of stage or auxiliary spokesman by projector on the wall or on curtain.But the situation of image illumination on face or health that projector goes out often can occur, and this not only affects the image of illuminated person, and the light that goes out of projector can stimulate the eyes of illuminated person, affects the sight line of illuminated person.
In order to avoid above-mentioned phenomenon, currently used solution mainly contains two, and one is use back projection equipment to replace projector, and two is limit the position that people stands.First kind of way needs to have larger space, and cost is also higher; The second way is also suitable for reluctantly for general speech, but then limits the performance of performing artist for the performing artist on stage.So these two kinds of modes all have some limitations.
Therefore, a kind of method needing projector and avoid projected on human body, to solve problems of the prior art.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of projector, comprising: camera lens, it is for catching facial image or face and body contour; Image processing apparatus, it is connected with described camera lens, for receiving from the facial image of described camera lens or face and body contour, and to processing, not show the image in described region with described facial image or the face region corresponding with body contour in the image that will project; And image projection apparatus, it is connected with described image processing apparatus, for projecting the image through described image processing apparatus process.
Preferably, this projector also comprises shell, and described camera lens and described image processing apparatus are arranged on the outside of described shell.
Preferably, this projector also comprises shell, and described camera lens and described image processing apparatus are arranged on the inside of described shell.
Preferably, described camera lens is notebook computer camera lens.
The present invention also provides a kind of method avoiding projected on human body, comprises the following steps: catch facial image or face and body contour; Calculate the facial image or face and the position of body contour in the image that will project that capture; To processing, not show the image in described region with facial image or the face region corresponding with body contour in the image that will project; And project treated image.
Preferably, in the image that will project with facial image or the face regional processing corresponding with body contour for without picture area, not show the image in described region.
Preferably, being low ray regions with facial image or the face regional processing corresponding with body contour in the image that will project, not show the image in described region.
According to projector of the present invention and avoid the method for projected on face or health, by to processing with facial image or the face region corresponding with body contour in the image that will project, make the image do not shown when projects images in this region, thus efficiently solve the problem of image projection on face or health, both avoid the embarrassment that image projection causes on face or health, also eliminate the light that projects to the stimulation of human eye.
Accompanying drawing explanation
Fig. 1 is the compositional block diagram of the projector according to one embodiment of the present invention;
Fig. 2 is the compositional block diagram of the projector according to another embodiment of the present invention; And
Fig. 3 is the flow chart of the method avoiding projected on human body according to one embodiment of the present invention.
Description of reference numerals:
10-camera lens 30-image processing apparatus
50-image projection apparatus 70-shell
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
The invention provides a kind of projector, be intended to avoid image projection on face or health.To achieve these goals, see figures.1.and.2, projector of the present invention comprises camera lens 10, image processing apparatus 30 and image projection apparatus 50.Wherein, camera lens 10 for catching facial image or face and body contour, such as, catches the face-image of station host before the lights or performing artist or face and body contour.Camera lens 10 is connected to image processing apparatus 30, and the facial image captured or face and body contour are transferred to image processing apparatus 30.Preferably, camera lens 10 can adopt notebook computer camera lens, is conducive in joint space-efficient the cost controlling projector simultaneously.Image processing apparatus 30 is receiving after from the facial image of camera lens 10 or face and body contour, existing facial recognition technology is used to identify facial image, use existing body contour recognition technology to identify face and body contour, and set a regional extent for facial image or face and body contour.Such as, generate a virtual square frame, facial image or face and body contour are included in this virtual square frame.By known facial recognition technology and body contour recognition technology, image processing apparatus 30 can not only identify the facial image of actionless people (such as host or speaker) or face and body contour, also can identify mobile in the facial image of people (such as performing artist) or face and body contour.After the regional extent for face image setting, what image processing apparatus 30 will do is exactly the comparison this regional extent carried out with the image that will project on position, determine the position that the regional extent of facial image or face and body contour is residing in the image that will project, that is, mark in the image that will project and facial image or the face region corresponding with the regional extent of body contour.Subsequently, by such as image processing software, the region marked off in the image that will project is processed exactly, the image in this region can not be shown.Image processing apparatus 30 after completing above-mentioned process by treated image transmitting to the image projection apparatus 50 be attached thereto, by image projection apparatus 50, treated image is projected to stage direction.
The image processing apparatus 30 that projector of the present invention uses can be the chip having write facial recognition program and image processing program wherein, according to foregoing description, those skilled in the art can know required facial recognition program, body contour recognizer and image processing program from prior art, repeat no more herein to these programs.
According to projector of the present invention, by to processing with facial image or the face region corresponding with body contour in the image that will project, make the image do not shown when projects images in this region, thus efficiently solve the problem of image projection on face or health, both avoid the embarrassment that image projection causes on face or health, also eliminate the light that projects to the stimulation of human eye.
Fig. 1 and Fig. 2 schematically show the mode that two kinds are arranged camera lens 10 and image processing apparatus 30.With reference to Fig. 1, camera lens 10 and image processing apparatus 30 are preferably all arranged on the inside of the shell 70 of projector, and this arrangement can provide reliable protection for camera lens 10 and image processing apparatus 30, are conducive to preventing camera lens 10 and image processing apparatus 30 from damaging.With reference to Fig. 2, camera lens 10 and image processing apparatus 30 are preferably all arranged on the outside of the shell 70 of projector, this mode is conducive to changing camera lens 10 and image processing apparatus 30 and keeping in repair, when changing camera lens 10 and/or image processing apparatus 30 without the need to pulling down shell 70.Certainly, other modes unshowned also can be taked to arrange camera lens 10 and image processing apparatus 30, such as, camera lens 10 is arranged on the outside of shell 70, and image processing apparatus 30 is arranged on the inside of shell 70.
The present invention also provides a kind of method avoiding projected on face, and with reference to Fig. 3, the method mainly comprises the following steps:
First, facial image or face and body contour is caught.The camera lens of the such as notebook computer camera lens that those skilled in the art such as can be adopted to know carries out the seizure of facial image or face and body contour.
Second step, calculates the facial image or face and the position of body contour in the image that will project that capture.Wherein, can first be identified facial image by existing facial recognition program, or by existing body contour recognizer, face and body contour are identified, and be that facial image or face and body contour set a regional extent by existing image processing program.Such as, generate a square frame, facial image or face and body contour are included in square frame, then mark in the image that will project and facial image or the face region corresponding with the regional extent of body contour.
3rd step, to processing, not show the image in described region with facial image or the face region corresponding with body contour in the image that will project.The image processing program of this step also by using in second step realizes.
Finally, treated image is projected.
After image being projected to stage according to said method of the present invention, due to do not show in the image that will project with facial image or the face region corresponding with body contour, make that the people's on stage there will not be image on the face or on health, both avoid the embarrassment that image projection causes on face or health, also eliminate the light that projects to the stimulation of human eye.
One of the present invention preferred embodiment in, when to processing with facial image or the face region corresponding with body contour in the image that will project, can be without picture area by this regional processing, be equivalent to from the image that will project, the image in this region be wiped, thus realize avoiding the effect occurring image on face or health.It is less that this execution mode is suitable for place, the occasion that auditorium distance stage is nearer.
In another preferred embodiment of the present invention, when to processing with facial image or the face region corresponding with body contour in the image that will project, can be also low ray regions by this regional processing.Now, although the image in this region still exists, due to the cause that light intensity is lowered, see that the projection on the face or on health of the people that also can not perceive on stage has image from afar.It is comparatively large that this execution mode can be applied to place, the situation that auditorium distance stage is far away.
Claims (7)
1. a projector, is characterized in that, comprising:
Camera lens, it is for catching facial image or face and body contour;
Image processing apparatus, it is connected with described camera lens, for receiving from the facial image of described camera lens or face and body contour, and to processing, not show the image in described region with described facial image or the face region corresponding with body contour in the image that will project; And
Image projection apparatus, it is connected with described image processing apparatus, for projecting the image through described image processing apparatus process.
2. projector according to claim 1, is characterized in that, also comprises shell, and described camera lens and described image processing apparatus are arranged on the outside of described shell.
3. projector according to claim 1, is characterized in that, also comprises shell, and described camera lens and described image processing apparatus are arranged on the inside of described shell.
4. projector according to any one of claim 1 to 3, is characterized in that, described camera lens is notebook computer camera lens.
5. avoid the method for projected on human body, it is characterized in that, comprise the following steps:
Catch facial image or face and body contour;
Calculate the facial image or face and the position of body contour in the image that will project that capture;
To processing, not show the image in described region with facial image or the face region corresponding with body contour in the image that will project; And
Project treated image.
6. method according to claim 5, is characterized in that, in the image that will project with facial image or the face regional processing corresponding with body contour for without picture area, not show the image in described region.
7. method according to claim 5, is characterized in that, in the image that will project being low ray regions with facial image or the face regional processing corresponding with body contour, not show the image in described region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510420629.6A CN105007439A (en) | 2015-07-15 | 2015-07-15 | Projector and method for avoiding projecting projected image on human body |
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| CN201510420629.6A CN105007439A (en) | 2015-07-15 | 2015-07-15 | Projector and method for avoiding projecting projected image on human body |
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| CN105007439A true CN105007439A (en) | 2015-10-28 |
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| CN201510420629.6A Pending CN105007439A (en) | 2015-07-15 | 2015-07-15 | Projector and method for avoiding projecting projected image on human body |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105763860A (en) * | 2016-01-21 | 2016-07-13 | 天津大学 | Control method capable of recognizing front obstacle and correcting and outputting projection picture |
| CN105791784A (en) * | 2016-01-21 | 2016-07-20 | 天津大学 | A projector capable of identifying obstacles ahead and correcting output images |
| CN107205141A (en) * | 2017-07-24 | 2017-09-26 | 合肥联宝信息技术有限公司 | A kind of method for controlling projection and projector equipment |
| CN108124144A (en) * | 2016-11-29 | 2018-06-05 | 中兴通讯股份有限公司 | A kind of method for controlling projection and device |
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| CN100476570C (en) * | 2001-02-16 | 2009-04-08 | 伊马特公司 | Method and apparatus for suppressing projection of a selected area of a projected image |
| CN101872329A (en) * | 2009-04-24 | 2010-10-27 | 范文胜 | Intelligent video projection system for protecting eyes of speechmaker |
| 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 |
| CN102360424A (en) * | 2011-10-20 | 2012-02-22 | 浙江工商大学 | Glare prevention method based on shadow image cutting algorithm |
| CN102830583A (en) * | 2012-09-28 | 2012-12-19 | 苏州鼎雅电子有限公司 | Eye shield projection method |
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| CN100476570C (en) * | 2001-02-16 | 2009-04-08 | 伊马特公司 | Method and apparatus for suppressing projection of a selected area of a projected image |
| CN101872329A (en) * | 2009-04-24 | 2010-10-27 | 范文胜 | Intelligent video projection system for protecting eyes of speechmaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN105763860A (en) * | 2016-01-21 | 2016-07-13 | 天津大学 | Control method capable of recognizing front obstacle and correcting and outputting projection picture |
| CN105791784A (en) * | 2016-01-21 | 2016-07-20 | 天津大学 | A projector capable of identifying obstacles ahead and correcting output images |
| CN108124144A (en) * | 2016-11-29 | 2018-06-05 | 中兴通讯股份有限公司 | A kind of method for controlling projection and device |
| CN107205141A (en) * | 2017-07-24 | 2017-09-26 | 合肥联宝信息技术有限公司 | A kind of method for controlling projection and projector equipment |
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