CN101872329A - Intelligent video projection system for protecting eyes of speechmaker - Google Patents
Intelligent video projection system for protecting eyes of speechmaker Download PDFInfo
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- CN101872329A CN101872329A CN200910030593A CN200910030593A CN101872329A CN 101872329 A CN101872329 A CN 101872329A CN 200910030593 A CN200910030593 A CN 200910030593A CN 200910030593 A CN200910030593 A CN 200910030593A CN 101872329 A CN101872329 A CN 101872329A
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Abstract
In order to prevent the eyes of a speechmaker from being damaged by the high-brightness light of a projector, the invention provides an intelligent video projection system for protecting the eyes of the speechmaker. The projection system comprises a projector, a computer, a data line and a projector screen and also comprises an intelligent video system, wherein the intelligent video system comprises intelligent eye hardware equipment and an intelligent video recognition system; the intelligent eye hardware equipment is connected with the computer through the data line; the intelligent video recognition system is arranged on the computer. The intelligent eye hardware equipment carries out real-time monitoring on a projection area; the intelligent video recognition system carries out intelligent recognition on a human body monitored by the intelligent eye hardware equipment in real time in the projection area, controls the intelligent eye hardware equipment to trace the moving human body so as to fix the positions of the eyes or the face of the human and transmits the target coordinates of the eyes or the face of the human to the projector to control the computer. The system does not irradiate hard light to the positions of the eyes of the speechmaker, can not damage the eyes of the speechmaker or influence projection effect.
Description
Technical field
The present invention relates to a kind of video projection system, especially a kind of intelligent video optical projection system of protecting speechmaker's eyes.
Background technology
When front projector has been applied in each occasion extremely widely, comprise various Conference Rooms, classroom or the like.A key technical indexes of projector is exactly brightness, and common cognition is that the brightness of projector is high more good more.The projector of high brightness is helpful to better Display projector content, yet the light of this high brightness but causes very big injury to the speechmaker.
Particularly, when the speechmaker entered into view field, speechmaker's eyes can be stabbed by extremely strong projected light.Even the speechmaker walks out view field, still can not recover vision in the short time because high light is stabbed.In the time of in the speechmaker stands in projection in zone, because projection light intensity and other zones (as the spectators zone etc.) have very big difference in dynamic range, speechmaker can't see spectators normally, also just hindered exchanging of speechmaker and spectators. at all
Summary of the invention
At the problems referred to above; the present invention proposes a kind of intelligent video optical projection system of the speechmaker's of protection eyes; it comprises projector, computing machine, data line, projector curtain; also comprise intelligent video system; described intelligent video system comprises wisdom eye hardware device and intelligent video recognition system; described wisdom eye hardware device is connected with computing machine by data line, and described intelligent video recognition system is installed on computers.Described wisdom eye hardware device is monitored in real time to view field, described intelligent video recognition system is carried out Intelligent Recognition to the human body that the described wisdom eye hardware device that occurs in the view field monitors in real time, and control described wisdom eye hardware device the human body of walking about is followed the tracks of, human eye or face location are determined, and will be determined that human eye or face's coordinates of targets pass to the projector control computer in real time.Described intelligent video system is no less than 30FPS to the image taking speed that view field monitors in real time, and the imaging dynamic range is not less than 80dB, itself and the real-time communication of projector control computer.Described computing machine is controlled described projector project content, the speech human eye that the intelligent video system of accepting real-time listening transmits or face's coordinate signal, speech human eye or face's coordinate are handled the overlapping black square pattern of stamping suitable size of the corresponding speech human eye on project content or face's coordinate position.
Beneficial effect
The speechmaker is when coming into projection in zone, projector can not shine high light to speechmaker's eyes position on the basis that guarantees the projection of normal speech content, can speechmaker's eyes not damaged, and speechmaker each zone in face of can also seeing clearly, can better carry out speech work.Simultaneously, because speechmaker's head is to the iris action of projected light, speechmaker's head must be to cause shadow on display screen, so just begin speech human eye or face's blacking the not influence of whole drop shadow effect from projector.
Description of drawings
Fig. 1 is the intelligent video optical projection system synoptic diagram of protection speechmaker eyes
Fig. 2 is the intelligent video optical projection system implementation result synoptic diagram of protection speechmaker eyes
Wherein: 1, projector curtain, 2, projector, 3, wisdom eye hardware device, 4, data line, 5, computing machine, 6, human eye or face
Specific embodiment
Embodiment 1:
As shown in Figure 1 and Figure 2; a kind of intelligent video optical projection system of protecting speechmaker's eyes; comprise projector 2, computing machine 5, data line 4, projector curtain 1; also comprise intelligent video system; described intelligent video system comprises wisdom eye hardware device 3 and intelligent video recognition system; described wisdom eye hardware device 3 is connected with computing machine 5 by data line 4, and described intelligent video recognition system is installed on the computing machine 5.3 pairs of view fields of described wisdom eye hardware device monitor in real time, described intelligent video recognition system is carried out Intelligent Recognition to the human body that the described wisdom eye hardware device 3 that occurs in the view field monitors in real time, and control 3 pairs of human bodies of walking about of described wisdom eye hardware device and follow the tracks of, human eye or face 6 positions are determined, and will be determined that human eye or face's 6 coordinates of targets pass to projector control computer 5 in real time.Described intelligent video system is no less than 30FPS to the image taking speed that view field monitors in real time, and the imaging dynamic range is not less than 80dB, itself and 5 real-time communications of projector control computer.5 pairs of described projector 2 project content of described computing machine are controlled, the speech human eye that the intelligent video system of accepting real-time listening transmits or face's 6 coordinate signals, speech human eye or face's 6 coordinates are handled the overlapping black square pattern of stamping suitable size of the corresponding speech human eye on project content or face's 6 coordinate positions.
Embodiment 2:
Speechmaker's eyeball suffers the projector irradiation of high lumen through regular meeting, thereby speechmaker's eyeball is caused certain injury.For reducing the injury of projector to speechmaker's eyes; projector software goes to catch speechmaker place human eye or face 6 positions by wisdom eye hardware device 3; do special processing for the parts of images that is about to project in speechmaker's human eye or the face 6, with protection speechmaker eyeball.The present invention proposes a kind of intelligent video optical projection system of the speechmaker's of protection eyes, comprises projector 2, computing machine 5, data line 4, projector curtain 1, also comprises intelligent video system.
● intelligent video system:
Intelligent video system is monitored in real time to view field, the human body that occurs in the view field is carried out Intelligent Recognition (human body recognizer), and can follow the tracks of (dynamic human body detection algorithm) to the human body of walking about, and human eye or face location determined (human eye or face tracking recognizer), and will determine that human eye or face's coordinates of targets pass to the projector control computer in real time.This intelligent video system is that view field is monitored in real time, and image taking speed is no less than 30FPS, and the imaging dynamic range is not less than 80dB, and can move all above-mentioned algorithms in this system and carry out real-time communication with the projector control computer.
Concrete any say: intelligent video system comprises wisdom eye hardware device 3 and intelligent video recognition system, and described wisdom eye hardware device 3 is connected with computing machine 5 by data line 4, and described intelligent video recognition system is installed on the computing machine 5.3 pairs of view fields of described wisdom eye hardware device monitor in real time, described intelligent video recognition system is carried out Intelligent Recognition to the human body that the described wisdom eye hardware device 3 that occurs in the view field monitors in real time, and control 3 pairs of human bodies of walking about of described wisdom eye hardware device and follow the tracks of, human eye or face 6 positions are determined, and will be determined that human eye or face's 6 coordinates of targets pass to projector control computer 5 in real time.Described intelligent video system is no less than 30FPS to the image taking speed that view field monitors in real time, and the imaging dynamic range is not less than 80dB, itself and 5 real-time communications of projector control computer.
● the projector control computer:
5 pairs of projector 2 project content of this computing machine are controlled, and have the real-time listening program to accept speech human eye or face's 6 coordinate signals that intelligent video system transmits, and the corresponding coordinate location overlap on project content are stamped the black square of suitable size.Whole drop shadow effect is exactly that project content remains unchanged substantially, and though just on speech human eye or face's 6 coordinate positions the original projection content why stamp the black blockage without exception.
● view field:
Projector is projected in imagery zone on the screen (as the rectangular area (M, N)) of Fig. 2.Specifying M point coordinate value in rectangular projection region is (0,0), and N point coordinate value is (32767,32767).
● human eye area
Can cover people's eyes rectangular area of (comprising eyebrow and lower eyelid) (as the rectangular area AB of Fig. 2) fully.The human eye area summit must be in view field's scope, and the apex coordinate value of human eye area is its coordinate (is its coordinate with respect to the M reference point in the MN of rectangular area as A, B point coordinate numerical value among Fig. 2) with respect to reference point M in view field.
● speechmaker's visual effect:
After the speechmaker entered into view field, its health will produce iris action to projected light, was shown as the black figure on projection screen.Just because of this, the black square of speech human eye or face can not produce the obstruct shade that surpasses speechmaker's health to the content that projects on the screen, so can not have a negative impact to normal project content.
Speech human eye or face are because of the extremely low reason of black square light intensity, so speechmaker's eyeball can not suffer the projector injury of high lumen.
Claims (4)
1. intelligent video optical projection system of protecting speechmaker's eyes; comprise projector, computing machine, data line, projector curtain; it is characterized in that: also comprise intelligent video system; described intelligent video system comprises wisdom eye hardware device and intelligent video recognition system; described wisdom eye hardware device is connected with computing machine by data line, and described intelligent video recognition system is installed on computers.
2. the intelligent video optical projection system of protection speechmaker eyes according to claim 1; it is characterized in that: described wisdom eye hardware device is monitored in real time to view field; described intelligent video recognition system is carried out Intelligent Recognition to the human body that the described wisdom eye hardware device that occurs in the view field monitors in real time; and control described wisdom eye hardware device the human body of walking about is followed the tracks of; human eye/face location is determined, and will be determined that human eye/face's coordinates of targets passes to the projector control computer in real time.
3. the intelligent video optical projection system of protection speechmaker eyes according to claim 1; it is characterized in that: described intelligent video system is no less than 30FPS to the image taking speed that view field monitors in real time; the imaging dynamic range is not less than 80dB, itself and the real-time communication of projector control computer.
4. the intelligent video optical projection system of protection speechmaker eyes according to claim 1; it is characterized in that: described computing machine is controlled described projector project content; speech human eye/face's coordinate signal that the intelligent video system of accepting real-time listening transmits; speech human eye/face's coordinate is handled the overlapping black square pattern of stamping suitable size of the corresponding speech human eye/face's coordinate position on project content.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910030593A CN101872329A (en) | 2009-04-24 | 2009-04-24 | Intelligent video projection system for protecting eyes of speechmaker |
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| CN200910030593A CN101872329A (en) | 2009-04-24 | 2009-04-24 | Intelligent video projection system for protecting eyes of speechmaker |
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| CN101872329A true CN101872329A (en) | 2010-10-27 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106162015A (en) * | 2015-03-25 | 2016-11-23 | 上海分众软件技术有限公司 | A kind of video image optimizes display packing and system and polyhedral projection display system |
| CN107424547A (en) * | 2017-05-24 | 2017-12-01 | 上海交通大学 | Projection display system based on psycho-visual modulation to the protection of speaker's human eye |
| WO2018099247A1 (en) * | 2016-11-29 | 2018-06-07 | 中兴通讯股份有限公司 | Projection control method and device |
| CN108490629A (en) * | 2018-03-12 | 2018-09-04 | 广东欧珀移动通信有限公司 | Structured light projector and its detection method and device, image acquiring device and electronic equipment |
| CN110753214A (en) * | 2018-12-14 | 2020-02-04 | 成都极米科技股份有限公司 | Projection brightness adjusting method and device |
| US11348217B2 (en) | 2018-03-12 | 2022-05-31 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Projector, detection method thereof, and electronic device |
-
2009
- 2009-04-24 CN CN200910030593A patent/CN101872329A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162015A (en) * | 2015-03-25 | 2016-11-23 | 上海分众软件技术有限公司 | A kind of video image optimizes display packing and system and polyhedral projection display 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 |
| CN107424547A (en) * | 2017-05-24 | 2017-12-01 | 上海交通大学 | Projection display system based on psycho-visual modulation to the protection of speaker's human eye |
| CN108490629A (en) * | 2018-03-12 | 2018-09-04 | 广东欧珀移动通信有限公司 | Structured light projector and its detection method and device, image acquiring device and electronic equipment |
| US11348217B2 (en) | 2018-03-12 | 2022-05-31 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Projector, detection method thereof, and electronic device |
| CN110753214A (en) * | 2018-12-14 | 2020-02-04 | 成都极米科技股份有限公司 | Projection brightness adjusting method and device |
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Open date: 20101027 |