CN102610182A - Exhibition hall image playing system with self-adaptation effect to people stream distribution - Google Patents
Exhibition hall image playing system with self-adaptation effect to people stream distribution Download PDFInfo
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- CN102610182A CN102610182A CN2012100852623A CN201210085262A CN102610182A CN 102610182 A CN102610182 A CN 102610182A CN 2012100852623 A CN2012100852623 A CN 2012100852623A CN 201210085262 A CN201210085262 A CN 201210085262A CN 102610182 A CN102610182 A CN 102610182A
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- 238000009826 distribution Methods 0.000 title claims abstract description 41
- 230000000694 effects Effects 0.000 title abstract description 12
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- 230000003044 adaptive effect Effects 0.000 claims description 18
- 238000005286 illumination Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 4
- 238000010191 image analysis Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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- 230000003993 interaction Effects 0.000 description 2
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Abstract
The invention relates to an image playing system and discloses an exhibition hall image playing system with self-adaptation effect to people stream distribution. People stream distribution data in scenes of an exhibition hall can be acquired by analyzing acquired images, images are triggered to play in corresponding display areas according to the people stream data, and accordingly the display areas can be selected to display the images about people streams in a self-adaptive manner according to people stream conditions. The exhibition hall image playing system with the self-adaptation effect to people stream distributions comprises N infrared cameras, at least one infrared light, a people stream analysis unit and image display devices. The N infrared cameras are arranged on the ceiling of the exhibition hall and used for acquiring infrared images in the scenes of the exhibition hall, the infrared light is used for infrared irradiation to the reserved areas, the people stream analysis unit is used for analyzing the people stream distribution conditions of the scenes of the exhibition hall displayed in the images so as to determine the display areas for playing video or images to people streams, and the image display devices are disposed in the display areas and used for playing videos or images to the people streams.
Description
Technical field
The present invention relates to image playing system, the museum's image play-back technology that uses in particularly a kind of museum.
Background technology
Because museum's achievement that can be used for showing sponsor's gained, and to the imagination in future, so museum mainly is to use in government's common platform or large enterprise at present.Museum's role is the information disclosure of sponsor, and the thing that in the near section time, may do is published in museum's platform, can make the transparency effect of improving of sponsor.
The image player of mutual multimedia museum is caught shooting through capture device (inductor) to target image (like the participant); Then by the image analysis system analysis; Thereby produce the action of the object that is captured; This action data combines the real-time imaging interaction systems, makes the interaction effect that generation is combined closely between participant and the screen.
At present, also do not select the robotization museum image playing system of image viewing area adaptively to stream of people's distribution situation of participant in museum.
Summary of the invention
The object of the present invention is to provide the adaptive museum of a kind of people's distributions image playing system; Obtain infrared image through a plurality of infrared cameras; This image analysis is obtained the stream of people's distribution situation in museum's scene; Play in corresponding viewing area according to people's distributions triggering video or image, stream carries out video or image is play can to select the viewing area to behave adaptively to stream of people's distribution situation again.
For solving the problems of the technologies described above, embodiment of the present invention discloses the adaptive museum of a kind of people's distributions image playing system, comprising:
N infrared camera places the museum top, and N is the positive integer more than or equal to 3, is used for gathering in real time the infrared image in museum's scene; Museum's scene is made up of a plurality of presumptive areas, and each presumptive area is covered by two infrared cameras at least.
In the present invention, each presumptive area is covered by two infrared cameras at least, be appreciated that by in museum's scene each the point covered by two infrared cameras at least, the image pickup scope of these two cameras all covers presumptive area;
At least one infrared lamp is used for presumptive area is carried out infrared radiation;
Stream of people's analytic unit is used for the image gathered according to infrared camera, analyzes the stream of people's distribution situation in museum's scene, and confirms to carry out the viewing area that video or image are play towards the stream of people according to analysis result;
Image display device places the viewing area, is used for to stream of people's displaying video or image.
Embodiment of the present invention compared with prior art, the key distinction and effect thereof are:
Obtain infrared image through a plurality of infrared cameras; This image analysis is obtained the stream of people's distribution situation in museum's scene; Play in corresponding viewing area according to people's distributions triggering video or image, stream carries out video or image is play can to select the viewing area to behave adaptively to stream of people's distribution situation again.
Further, infrared camera can improve the accuracy of judging position of human body greatly only through the infrared filter of the above infrared light of 850nm.The inventor finds that in practice the light source in the museum is more mixed and disorderly, uses two resulting images of infrared camera to carry out binocular vision calculating and makes mistakes through regular meeting, promptly judges the position of human body by accident.In order to improve the position of human body judging nicety rate, the inventor has carried out a large amount of experiments, in experiment, is surprised to find that, specific infrared filter has good effect.General infrared filter pass through threshold range between 750nm to 800nm; If installing the position of human body misjudgment rate of this general infrared filter additional is X; Install the infrared filter that only passes through the above infrared light of 850nm additional if change into; Then the error rate of position of human body judgement can be reduced to below the 0.3X, that is to say that error rate greatly reduces.The thresholding that passes through of infrared filter is not limited to 850nm, between near the wavelength coverage 840nm to 860nm it effect is preferably arranged all.If the thresholding that passes through of infrared filter further improves from 850nm, as brings up to 1000nm, even 1500nm, then error rate can progressively rise on the contrary.In a word, be chosen near the 850nm through the thresholding that passes through with infrared filter, the error rate of judging for position of human body reduces and has produced beyond thought remarkable result.
Further, the infrared light emergence angle of each infrared lamp all is not less than 120 degree, can further reduce the error rate that position of human body is judged.The inventor is unexpected in practice to be found; The infrared light emergence angle of infrared lamp has bigger influence for position of human body misjudgment rate; If the infrared light emergence angle of each infrared lamp all is not less than 120 degree; With respect to the less situation of infrared light emergence angle (like 60 degree), have the effect of tangible reduction position of human body misjudgment rate.
Further, select the infrared lamp of most of concentration of energy, can for infrared camera effective illumination be provided more at the above infrared band of 850nm.
Further, do not use the shot-light illumination in the coverage of two infrared cameras, can further reduce the error rate of the position judgment of human body.
Further, use simple background in the coverage of two infrared cameras, can further reduce the error rate of the position judgment of human body.
Description of drawings
Fig. 1 is the structural representation of the adaptive museum of a kind of people's distributions image playing system in the first embodiment of the invention.
Embodiment
In following narration, many ins and outs have been proposed in order to make the reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each embodiment, also can realize each claim of the application technical scheme required for protection.
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
First embodiment of the invention relates to the adaptive museum of a kind of people's distributions image playing system.Fig. 1 is the structural representation of this adaptive museum of people's distributions image playing system.This adaptive museum of people's distributions image playing system comprises:
N infrared camera places the museum top, and N is the positive integer more than or equal to 3, is used for gathering in real time the infrared image in museum's scene; Museum's scene is made up of a plurality of presumptive areas, and each presumptive area is covered by two infrared cameras at least.
At least one infrared lamp is used for presumptive area is carried out infrared radiation.
Stream of people's analytic unit is used for the image gathered according to infrared camera, analyzes the stream of people's distribution situation in museum's scene, and confirms to carry out the viewing area that video or image are play towards the stream of people according to analysis result.
Image display device places the viewing area, is used for to stream of people's displaying video or image.
Obtain infrared image through a plurality of infrared cameras; This image analysis is obtained the stream of people's distribution situation in museum's scene; Play in corresponding viewing area according to people's distributions triggering video or image, stream carries out video or image is play can to select the viewing area to behave adaptively to stream of people's distribution situation again.
In addition, being appreciated that video can be (being sound video) that corresponding audio frequency is arranged, also can be (being noiseless video) that does not have audio frequency.
Specifically:
Image display device is a projector.
Image display device is a LCD.
Image display device is a plasma display.
As a preferred embodiment of the present invention; As shown in Figure 1; The gray areas that stream of people's analytic unit carries out people's flow analysis has comprised the presumptive area 1 of infrared camera 1 and infrared camera 2; And infrared camera 2 and infrared camera 3 presumptive areas 2; In analysis, find the flow of the people of the flow of the people (being people 3 quantity) of presumptive area 1, can preferably trigger video or image and play at the image display device of 1 corresponding viewing area of presumptive area greater than presumptive area 2, also can trigger simultaneously the people presumptive area 1 and the image display device of 2 corresponding viewing areas of presumptive area play.The physical location of corresponding viewing area is not represented in the position of the image display device among this figure, but representes a kind of logical place, when the actual deployment of system, should in advance image display device be deployed in corresponding display.
Second embodiment of the invention relates to the adaptive museum of a kind of people's distributions image playing system.
Second embodiment improves on the basis of first embodiment, and main improvements are: infrared camera can improve the accuracy of judging position of human body greatly only through the infrared filter of the above infrared light of 850nm.The inventor finds that in practice the light source in the museum is more mixed and disorderly, uses two resulting images of infrared camera to carry out binocular vision calculating and makes mistakes through regular meeting, promptly judges the position of human body by accident.In order to improve the position of human body judging nicety rate, the inventor has carried out a large amount of experiments, in experiment, is surprised to find that, specific infrared filter has good effect.General infrared filter pass through threshold range between 750nm to 800nm; If installing the position of human body misjudgment rate of this general infrared filter additional is X; Install the infrared filter that only passes through the above infrared light of 850nm additional if change into; Then the error rate of position of human body judgement can be reduced to below the 0.3X, that is to say that error rate greatly reduces.The thresholding that passes through of infrared filter is not limited to 850nm, between near the wavelength coverage 840nm to 860nm it effect is preferably arranged all.If the thresholding that passes through of infrared filter further improves from 850nm, as brings up to 1000nm, even 1500nm, then error rate can progressively rise on the contrary.In a word, be chosen near the 850nm through the thresholding that passes through with infrared filter, the error rate of judging for position of human body reduces and has produced beyond thought remarkable result.The infrared light emergence angle of each infrared lamp all is not less than 120 degree, can further reduce the error rate that position of human body is judged.The inventor is unexpected in practice to be found; The infrared light emergence angle of infrared lamp has bigger influence for position of human body misjudgment rate; If the infrared light emergence angle of each infrared lamp all is not less than 120 degree; With respect to the less situation of infrared light emergence angle (like 60 degree), have the effect of tangible reduction position of human body misjudgment rate.
Select the infrared lamp of most of concentration of energy, can for infrared camera effective illumination be provided more at the above infrared band of 850nm.Do not use the shot-light illumination in the coverage of two infrared cameras, can further reduce the error rate of the position judgment of human body.Use simple background in the coverage of two infrared cameras, can further reduce the error rate of the position judgment of human body.Specifically:
Stream of people's analytic unit is analyzed the stream of people's distribution situation in museum's scene, carries out in the following manner:
According to two images that infrared camera is captured, and the positional information of two infrared cameras, calculate the position at people place in the presumptive area, thus the number in the statistics presumptive area, to confirm that stream of people's distribution situation in museum's scene is as analysis result.
In addition; Be appreciated that in stream of people's analytic unit that image that two infrared cameras obtain can obtain the position at people place through the algorithm computation of binocular vision, the binocular vision algorithm is a prior art; Itself be not innovation part of the present invention, so just do not detailed here.
In an instance of the present invention, stream of people's analytic unit can carry out difference operation with corresponding background respectively with two captured images of infrared camera earlier, obtains foreground picture.Again foreground picture is carried out morphology and handle, comprising dimension reduction, with speed up processing figure.Carry out the statistic histogram analysis by gray scale again, filter, obtain commissarial agglomerate according to threshold value.Get the center of gravity of this agglomerate, obtain the relative position relation of this center of gravity and two infrared cameras, combine the location fix of two infrared cameras again, can calculate the location fix of center of gravity, be i.e. the position at people place in the presumptive area according to the position of center of gravity.
Install the infrared filter that only passes through the above infrared light of specific wavelength before each infrared camera additional, the scope of this specific wavelength is between 840nm to 860nm.
In addition, be appreciated that in some other instance of the present invention, also can infrared filter, or use other to pass through the infrared filter of wave band.
The infrared light emergence angle of each infrared lamp all is not less than 120 degree.
In addition, be appreciated that in some other instance of the present invention, also can use the greater or lesser infrared lamp of infrared light emergence angle.
The energy of each infrared lamp is distributed in the above infrared band of 850nm more than 80%.
In addition, be appreciated that in some other instance of the present invention, also can be not the energy distribution of infrared lamp do not limited.
Do not use the shot-light illumination in the coverage of two infrared cameras.
In addition, be appreciated that in some other instance of the present invention, also can use shot-light.
Use simple background in the coverage of two infrared cameras.
In addition, be appreciated that preferably grey scale change homogeneous background slowly of simple background, not outstanding especially geometric configuration.
Need to prove; Each unit of mentioning in each equipment embodiment of the present invention all is a logical block, and physically, a logical block can be a physical location; It also can be the part of a physical location; Can also realize that the physics realization mode of these logical blocks itself is not most important with the combination of a plurality of physical locations, the combination of the function that these logical blocks realized is the key that just solves technical matters proposed by the invention.In addition, for outstanding innovation part of the present invention, above-mentioned each the equipment embodiment of the present invention will not introduced with solving the not too close unit of technical matters relation proposed by the invention, and this does not show that there is not other unit in the said equipment embodiment.
Though through reference some preferred implementation of the present invention; The present invention is illustrated and describes; But those of ordinary skill in the art should be understood that and can do various changes to it in form with on the details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. the adaptive museum of a people's distributions image playing system is characterized in that, comprising:
N infrared camera places the museum top, and N is the positive integer more than or equal to 3, is used for gathering in real time the infrared image in museum's scene; Said museum scene is made up of a plurality of presumptive areas, and each presumptive area is covered by two infrared cameras at least;
At least one infrared lamp is used for said presumptive area is carried out infrared radiation;
Stream of people's analytic unit is used for the image gathered according to said infrared camera, analyzes the stream of people's distribution situation in museum's scene, and confirms to carry out the viewing area that video or image are play towards the stream of people according to analysis result;
Image display device places said viewing area, is used for to said stream of people's displaying video or image.
2. the adaptive museum of people's distributions according to claim 1 image playing system is characterized in that, said stream of people's analytic unit is analyzed the stream of people's distribution situation in museum's scene, carries out in the following manner:
According to said two images that infrared camera is captured; And the positional information of two infrared cameras; Calculate the position at the place of people in the said presumptive area, thereby add up the number in the said presumptive area, to confirm that stream of people's distribution situation in museum's scene is as analysis result.
3. the adaptive museum of people's distributions according to claim 2 image playing system; It is characterized in that; Installing additional before said each infrared camera only can be through the infrared filter of the above infrared light of specific wavelength, and the scope of this specific wavelength is between 840nm to 860nm.
4. the adaptive museum of people's distributions according to claim 3 image playing system is characterized in that, the infrared light emergence angle of each said infrared lamp all is not less than 120 degree.
5. the adaptive museum of people's distributions according to claim 4 image playing system is characterized in that, the energy of each said infrared lamp is distributed in the above infrared band of 850nm more than 80%.
6. the adaptive museum of people's distributions according to claim 5 image playing system is characterized in that, does not use the shot-light illumination in the coverage of said two infrared cameras.
7. the adaptive museum of people's distributions according to claim 6 image playing system is characterized in that, uses simple background in the coverage of said two infrared cameras.
8. according to each adaptive museum of described people's distributions image playing system in the claim 1 to 7, it is characterized in that said image display device is a projector.
9. according to each adaptive museum of described people's distributions image playing system in the claim 1 to 7, it is characterized in that said image display device is a LCD.
10. according to each adaptive museum of described people's distributions image playing system in the claim 1 to 7, it is characterized in that said image display device is a plasma display.
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| CN2012100852623A CN102610182A (en) | 2012-03-27 | 2012-03-27 | Exhibition hall image playing system with self-adaptation effect to people stream distribution |
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| CN2012100852623A CN102610182A (en) | 2012-03-27 | 2012-03-27 | Exhibition hall image playing system with self-adaptation effect to people stream distribution |
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Cited By (5)
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| CN104101342A (en) * | 2013-04-10 | 2014-10-15 | 苏州金螳螂展览设计工程有限公司 | Bluetooth technology-based exhibition hall autonomous navigation system |
| CN105321090A (en) * | 2014-07-29 | 2016-02-10 | 中华电信股份有限公司 | Visitor Group Analysis and People Flow Information System and Its Application Method |
| CN110634427A (en) * | 2019-09-12 | 2019-12-31 | 夏培涛 | Public place electronic information collection display device based on big data |
| CN110998644A (en) * | 2017-05-26 | 2020-04-10 | 株式会社OPTiM | Computer system, method and procedure for changing the contents of the exhibition hall |
| CN119376673A (en) * | 2025-01-02 | 2025-01-28 | 北京点意空间展览展示有限公司 | Intelligent interaction method and system for digital exhibition hall |
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Application publication date: 20120725 |