CN103295503A - Digital bulletin system and digital bulletin method - Google Patents
Digital bulletin system and digital bulletin method Download PDFInfo
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- CN103295503A CN103295503A CN2012100527561A CN201210052756A CN103295503A CN 103295503 A CN103295503 A CN 103295503A CN 2012100527561 A CN2012100527561 A CN 2012100527561A CN 201210052756 A CN201210052756 A CN 201210052756A CN 103295503 A CN103295503 A CN 103295503A
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Abstract
The invention discloses a digital bulletin method. The method comprises the following steps: obtaining a scene image shot by a camera device, wherein the scene image contains distance information between each object in the image and the camera device; detecting whether a person is in the scene image; determining the distance between the person and the camera device if the person is detected in the scene image; determining the distance range of the distance; obtaining display content corresponding to the distance range according to a mapping table of the distance range and the display content stored in a storage device; and controlling at least one display unit to display the obtained display content. The invention further provides a digital bulletin system, which can adjust the content displayed on the bulletin according to the distance of the person.
Description
Technical field
The present invention relates to a kind of digital bulletin system and method thereof, relate in particular to a kind of digital bulletin system and method thereof of adjusting displaying contents.
Background technology
Traditional displaying billboard shows a content that is stored in the storer by at least one display, thereby helps that enterprise markets, the publicity of aspects such as service or advertisement.But traditional displaying billboard only can be according to the relevant content of showing of predefined content play, and can not determine that the distance of showing billboard people from the place ahead is far and near, thereby can not initiatively show the content that billboard is showed according to the people apart from the distance adjustment, can not attract people from distant place to browse and show the billboard content, so will influence the effect of publicity.
Summary of the invention
In view of above content, be necessary to provide a kind of digital bulletin system and method thereof, can show the content that billboard is showed apart from distance adjustment one according to the people.
A kind of digital bulletin system, this system comprises: an image acquiring module, this image acquiring module is used for obtaining the scene image of camera head picked-up, comprises the range information between article each point and the camera head in this scene image; One detecting module, this detecting module are used for this scene image of detecting and whether have the people, and when detecting the people, determine that this people is to the distance between the camera head; One execution module, determine that to the distance between the camera head this is apart from the distance range at place according to the people, and be stored in distance range in the storer and the mapping table of displaying contents obtains this distance range corresponding display content according to one, and control the displaying contents that at least one display unit shows that this obtains.
A kind of digital bulletin method, this method comprises: obtain the scene image of camera head picked-up, comprise the range information between article each point and the camera head in this scene image; Detect and whether have the people in this scene image; Detect when having the people in this scene image, determine the distance between people and the camera head; Determine this apart from the distance range at place, and be stored in distance range in the storer and the mapping table of displaying contents obtains the distance range corresponding display content according to one, and control the displaying contents that at least one display unit shows that this obtains.
The present invention is by obtaining a scene image, and when in detecting this scene image, the people being arranged, determine the distance between people and the camera head, and definite this distance range apart from the place, thereby obtain the distance range corresponding display content according to this distance range, thereby control the displaying contents that a display unit shows that this obtains, thereby can show the content that billboard is showed apart from distance adjustment one according to the people.
Description of drawings
Fig. 1 is the block diagram of a digital bulletin system of an embodiment of the present invention.
Fig. 2 is the synoptic diagram of the applied numbers show billboard of digital bulletin system as shown in Figure 1.
Fig. 3 is the principle of work synoptic diagram of the image analysing computer module of shown in Figure 1 digital bulletin system.
Fig. 4 is the application synoptic diagram of digital bulletin system as shown in Figure 1.
Fig. 5 is the process flow diagram of the digital bulletin method of an embodiment of the present invention.
The main element symbol description
| Numeral bulletin system | 10 |
| The numbers show billboard | 1 |
| Camera head | 2 |
| Display unit | 40 |
| Central processing unit | 20 |
| Storer | 30 |
| Image acquiring module | 11 |
| Detecting module | 12 |
| Execution module | 13 |
| Audio playing apparatus | 3 |
| First viewing area | 41 |
| Second viewing area | 42 |
| The image analysing computer module | 14 |
Following embodiment will further specify the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1, be the block diagram of the digital bulletin system 10 of an embodiment of the present invention.This numeral bulletin system 10 is applied on the numbers show billboard 1, this numbers show billboard 1 is connected with a camera head 2, the place ahead scene image according to these camera head 2 picked-ups determines whether the place ahead exists the distance of people and this people and this camera head 2, thereby when forwardly the people being arranged, show corresponding content according to this distance of determining.This numbers show billboard 1 also comprises a central processing unit 20, a storer 30 and at least one display unit 40.
This camera head 2 is used for picked-up the place ahead scene, and generates scene image.In the present embodiment, described camera head 2 is a kind of degree of depth video camera (Depth-sensing Camera), and (Time of Flight, TOF) video camera are used for the picked-up scene image, comprise the depth of view information of subject in this scene image as time flight.The depth of view information of described subject refers to the range information of subject each point and camera head 2.Because camera head 2 is when the photographic subjects thing, signal with the certain wavelength of emission, when running into object, signal can reflex to camera head 2, can calculate the range information between the each point and camera head 2 on the object according to signal emission and mistiming between the reception, therefore described camera head 2 can obtain the range information between the subject each point and camera head 2 in the scene image, inspired by what one seesly deeply convince breath, hereinafter referred to as the range information between subject each point in the scene image and the camera head 2.Please refer to Fig. 2, this camera head 2 is arranged on this numbers show billboard 1, is used for taking the scene image in this numbers show billboard 1 the place ahead.
This numeral bulletin system 10 comprises an image acquiring module 11, a detecting module 12 and an execution module 13.The alleged module of the present invention refers to a kind of can be by the central processing unit 20 of numbers show billboard 1 performed and can finish the series of computation machine program block of specific function, and it is stored in the storer 30 of numbers show billboard 1.
Wherein, also store a plurality of different three-dimensional human-like templates and a form in this storer 30.These a plurality of different three-dimensional human-like templates are that the type camera head 2 absorbs before carrying out the present invention, and it comprises two classes according to the posture of taking pictures: positive human-like image, the human-like image in side.Record the corresponding relation of distance range and displaying contents in this form, wherein different distance ranges are corresponding to different displaying contents.In the present embodiment, defined following corresponding relation in this form: when the distance between people and this camera head 2 during less than one first predetermined value (as 5m), corresponding display content is a detailed description, as " general merchandise 5-10 in August prescribe a time limit special price A brand minimum 5 the folding; The minimum discount of B brand; The C brand is limited the quantity of preferential; The prize drawing of D brand quota; E brand new product discount "; When the distance between people and this camera head 2 during greater than this first predetermined value (as 5m) and less than this second predetermined value (as 10m), corresponding display content is a probably explanation, as " the general merchandise special price 8/5-8/10 that prescribes a time limit, household electrical appliances, dress ornament full 5,000 be discount again; Cosmetics five are turned up "; When the distance between people and this camera head 2 during greater than this second predetermined value when (as 10m), corresponding display content is a brief description, as " general merchandise prescribe a time limit special price 2012/8/5-8/10 ".
This image acquiring module 11 is used for obtaining displaying billboard the place ahead scene image of these camera head 2 picked-ups.
This detecting module 12 be used for determining this scene image that obtains each to the zone that the distance between the camera head is formed less than the point of a preset distance (for example 15 meters), and detect in this zone of determining whether have the people.Wherein, whether this zone of determining of this detecting module 12 detectings exists people's concrete operations: the regional corresponding image that this detecting module 12 will be determined compares with a plurality of different three-dimensional human-like template in being stored in storer 30, judges in this definite zone whether have the people.If exist at least in the regional corresponding image that should determine with these a plurality of different three-dimensional human-like templates in an identical part, then have the people in these detecting module 12 definite these zones that are determined.If do not have the part identical with any one three-dimensional template in the regional corresponding image that should determine, then this detecting module 12 is determined not have the people in this zone of determining.
When this detecting module 12 detects when having the people in the zone that is determined, determine that this people is to the distance between the camera head 2 in this zone, wherein, when existing a plurality of people then to determine distance between each individual and the camera head 2 respectively in this zone of determining of this detecting module 12 detectings, and calculate mean distance conduct distance between people and the camera head 2 in this zone.As: when people A is 8m to the distance between the camera head 2, people B is 10m to the distance between the camera head 2, people C is 12m to the distance between the camera head 2, and then this detecting module 12 determines that those people are mean distance 10m to the distance between the camera head 2 in this zone.
This execution module 13 is used for determining that to the distance between the camera head 2 this is apart from the distance range at place according to this zone people that should determine, and obtain the corresponding displaying contents of distance range that this is determined according to the corresponding relation of the distance range of this storer 30 storages and displaying contents, and control this at least one display unit 40 these displaying contents that obtain of demonstration.Thereby according to the difference of this people to the distance between the camera head 2, show different displaying contents and control this at least one display unit 40, thereby reach better the effect of publicity.As when the people is 10m to the distance between the camera head 2,13 controls of this execution module should at least one display unit 40 show that " the general merchandise special price 8/5-8/10 that prescribes a time limit, household electrical appliances, dress ornament be 5,000 discounts more completely; Cosmetics five are turned up ".
In the present embodiment, this numbers show billboard 1 also is connected in an audio playing apparatus 3, also stores the audio file corresponding to displaying contents in this storer 30.This execution module 13 also after obtaining displaying contents, obtains the audio file corresponding to displaying contents, and controls this audio playing apparatus 3 and play this audio file that obtains.
In the present embodiment, this each at least one display unit 40 comprises one first viewing area 41 and one second viewing area 42.Also store three-dimensional model and the image of picked-up and the ratio (as 1: 100) of actual object of a dummy object in this storer 30.In the present embodiment, this dummy object is a manikin.Under original state, this dummy object face forward.This numeral bulletin system 10 also comprises an image analysing computer module 14, this image analysing computer module 14 is used for the people in definite zone that this is determined with respect to direction and the angle of this camera head 2, and control this dummy object according to this people who determines with respect to the direction of this camera head 2 and angle and rotate corresponding angle towards corresponding direction, make this manikin over against the outrunner, thereby make the people before this electronic board have manikin to face toward the sensation of oneself speaking, increase the effect of advertising.
Concrete, this image analysing computer module 14 is determined this everyone coordinate in image in this zone of determining, calculates those people's average coordinates, calculates those people's average coordinates and the distance of image center in image.As shown in Figure 3, those people's average coordinates and the distance of image center correspond in practice, in a perpendicular vertical with the camera lens extended line of camera head 2, and the distance of this camera head 2 and the formed point of the orthogonal projection of people on this perpendicular.This image analysing computer module 14 also is used for determining in practice the distance of this camera head 2 and the formed point of the orthogonal projection of people on this perpendicular (hereinafter referred to as first apart from d1) according to the image of the picked-up of these storer 30 storages and the ratio of actual object.Obviously, the length of side that the people that this is determined and the distance between the camera head 2 (hereinafter referred to as second distance d2) have constituted a hypotenuse of right-angle triangle, this first has constituted the length of side of a right-angle side of right-angle triangle apart from d1.
This image analysing computer module is determined people in this zone of determining with respect to direction and the angle of this camera head 2 according to formula angle X=arcsin (d1/d2), and controls this dummy object according to this people who determines with respect to the direction of this camera head 2 and angle and rotate corresponding angle towards corresponding direction.As: when people's the average coordinates upper right side in picture centre, people's average coordinates and the distance of picture centre are 5cm, the image of this picked-up and the ratio of actual object are 1: 100, mean distance between people and the camera head 2 is 10m, then this image analysing computer module 14 determines that the direction that this dummy object should rotate is right-hand, and the angle of rotating is 30 degree.
This execution module 13 is used for this at least one display unit 40 of control and shows this displaying contents that obtains in this first viewing area 41, dummy object (as shown in Figure 4) in this second viewing area 42 after this rotation of demonstration, thereby the dummy object in the feasible displaying billboard is constantly along with viewer's moving direction is adjusted, thereby continue to show in the face of the viewer, increase the sense of reality.
Please refer to Fig. 5, be the process flow diagram of the present invention's one digital bulletin method.This numeral bulletin method is applied in as shown in Figure 1 the digital bulletin system 10.
In step S501, this image acquiring module 11 is obtained displaying billboard the place ahead scene image of these camera head 2 picked-ups.
In step S502, each zone of forming less than the point of a preset distance (for example 15 meters) in the distance between the camera head that this detecting module 12 is determined these scene images that obtain, and detect in this zone of determining whether have the people.When not having the people in this zone of determining, flow process finishes.When having the people in this zone of determining, execution in step S503.Wherein, whether this zone of determining of this detecting module 12 detectings exists people's concrete operations to be: the regional corresponding image that this detecting module 12 will be determined compares with a plurality of different three-dimensional human-like template in being stored in storer 30, judges in this definite zone whether have the people.If exist at least in the regional corresponding image that should determine with these a plurality of different three-dimensional human-like templates in an identical part, then have the people in these detecting module 12 definite these zones that are determined.If do not have the part identical with any one three-dimensional template in the regional corresponding image that should determine, then this detecting module 12 is determined not have the people in this zone that is determined.
In step S503, this detecting module 12 determines that this people is to the distance between the camera head in this zone.Wherein, when in this zone of determining a people only being arranged, distance between this people and the camera head namely is that the people is to the distance between the camera head, when having a plurality of people in this zone of determining, this detecting module is also determined the distance between each individual and the camera head 2 respectively, and calculates a mean distance as the distance between those people and the camera head 2 in this zone of determining.
In step S504, this execution module 13 determines that to the distance between the camera head this is apart from the distance range at place according to this people in this zone of determining, and obtain this distance range corresponding display content according to the distance range of this cell stores and the corresponding relation of displaying contents, and control this at least one display unit 40 and show these displaying contents that obtain.
In another embodiment, behind step S504, also comprise a step:
This execution module 13 obtains the audio file corresponding to the displaying contents that obtains, and controls this audio playing apparatus 3 and plays this audio file that obtains.
In another embodiment, this step S504 can be replaced by:
The people in the zone that this image analysing computer module 14 is used for determining that this is determined is with respect to direction and the angle of this camera head 2, and controls this manikin according to this people who determines with respect to the direction of this camera head 2 and angle and rotate corresponding angle towards corresponding direction.Be specially: this image analysing computer module 14 is determined in zone that this is determined this everyone coordinate in image, calculates those people's average coordinates, calculates those people's average coordinates and the distance of image center in image.Those people's average coordinates and the distance of image center point correspond in practice, in a perpendicular vertical with the camera lens extended line of camera head 2, and the distance of this camera head 2 and the orthogonal projection of people on this perpendicular.This image analysing computer module 14 is determined in practice the distance of this camera head 2 and the formed point of the orthogonal projection of people on this perpendicular (hereinafter referred to as first apart from d1) according to the ratio of image and the actual object of the picked-up of storage in this storer 30.Wherein, the length of side that the people that this is determined and the distance between the camera head 2 (hereinafter referred to as second distance d2) have constituted a hypotenuse of right-angle triangle, this first has constituted the length of side of a right-angle side of right-angle triangle apart from d1.This image analysing computer module determines that according to formula angle X=arcsin (d1/d2) people in this zone of determining is with respect to direction and the angle of this camera head 2, and according to direction and the angle of this people who determines with respect to this camera head 2, control this dummy object and rotate corresponding angle towards corresponding direction.
This execution module 13 is used for this at least one display unit 40 of control and shows this displaying contents that obtains in first viewing area 41, the dummy object in second viewing area 42 after this rotation of demonstration.
It should be noted that at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (12)
1. digital bulletin system is characterized in that this system comprises:
One image acquiring module, this image acquiring module is used for obtaining the scene image of camera head picked-up, comprises the range information between article each point and the camera head in this scene image;
One detecting module, this detecting module are used for this scene image of detecting and whether have the people, and when detecting the people, determine that this people is to the distance between the camera head;
One execution module, determine that to the distance between the camera head this is apart from the distance range at place according to the people, and be stored in distance range in the storer and the mapping table of displaying contents obtains this distance range corresponding display content according to one, and control the displaying contents that at least one display unit shows that this obtains.
2. digital bulletin as claimed in claim 1 system, it is characterized in that: each zone of forming less than the point of a preset distance in the distance between the camera head that this detecting module is determined scene image that this obtains, and detect in this zone of determining whether have the people.
3. digital bulletin as claimed in claim 1 system is characterized in that:
When there is a plurality of people in this detecting module in this scene image of detecting, also determines the distance between each individual and the camera head, and calculate a mean distance as the distance between people and the camera head.
4. digital bulletin as claimed in claim 1 system is characterized in that:
This detecting module compares the scene image that obtains with a plurality of different three-dimensional human-like template in being stored in storer, judge in this place ahead scene whether have the people;
If exist at least in this scene image that obtains with these a plurality of different three-dimensional human-like templates in an identical part, then this detecting module is thought and is had the people in this place ahead scene that is ingested:
If there be not the part identical with any one three-dimensional template in this scene image that obtains, then this detecting module is thought and is not had the people in this place ahead scene that is ingested.
5. digital bulletin as claimed in claim 1 system is characterized in that:
This image analysing computer module is used for determining this scene image people who obtains with respect to direction and the angle of camera head, and with respect to direction and the angle of camera head this dummy object is rotated corresponding angle towards corresponding direction according to this people who determines;
This execution module is used for this display unit of control and shows this displaying contents that obtains in one first viewing area, the dummy object in one second viewing area after this rotation of demonstration.
6. digital bulletin as claimed in claim 5 system is characterized in that the concrete operations of this image analysing computer module are:
Determine this everyone coordinate in image, calculate those people's average coordinates, calculating those people's in image average coordinates and the distance of image center, wherein, those people's average coordinates and the distance of image center correspond in practice, in the vertical perpendicular of the camera lens extended line of camera head, the distance of the formed point of this camera head and the people orthogonal projection on this perpendicular;
Determine the distance of this camera head and people's formed point of orthogonal projection on this perpendicular in practice according to the ratio of the image of the picked-up of storing in this storer and actual object, wherein, the camera head that should determine and the distance of people's formed point of orthogonal projection on this perpendicular have constituted the length of side of a right-angle side of right-angle triangle, the length of side of the hypotenuse that the people that this is determined and the distance between the camera head have constituted right-angle triangle;
The people is with respect to direction and the angle of camera head in the scene image of determining to obtain according to formula angle X=arcsin (d1/d2), and controls this dummy object and rotate corresponding angle towards corresponding direction.
7. digital bulletin method is characterized in that this method comprises:
Obtain the scene image of camera head picked-up, comprise the range information between article each point and the camera head in this scene image;
Detect and whether have the people in this scene image;
Detect when having the people in this scene image, determine the distance between people and the camera head;
Determine this apart from the distance range at place, and be stored in distance range in the storer and the mapping table of displaying contents obtains the distance range corresponding display content according to one, and control the displaying contents that at least one display unit shows that this obtains.
8. digital bulletin method as claimed in claim 7 is characterized in that this method also comprises:
The zone that each that determine scene image that this obtains formed less than the point of a preset distance in the distance between the camera head, and detect in this zone of determining whether have the people.
9. digital bulletin method as claimed in claim 7 is characterized in that this method also comprises:
Detect when having a plurality of people in this scene image, also determine the distance between each individual and the camera head, and calculate a mean distance as the distance between people and the camera head.
10. digital bulletin method as claimed in claim 7 is characterized in that, this step " is detected and whether had the people in this scene image " and comprising:
The scene image that obtains is compared with a plurality of different three-dimensional human-like template in being stored in storer, judge in this place ahead scene whether have the people;
If exist at least in this scene image that obtains with these a plurality of different three-dimensional human-like templates in an identical part, determine to have the people in this place ahead scene that is ingested;
If there be not the part identical with any one three-dimensional template in this scene image that obtains, determine not have the people in this place ahead scene that is ingested.
11. digital bulletin method as claimed in claim 7 is characterized in that this method also comprises:
Determine in this scene image that obtains the people with respect to direction and the angle of camera head, and control this dummy object according to this people who determines with respect to the direction of camera head and angle and rotate corresponding angle towards corresponding direction;
Control this display unit and in one first viewing area, show this displaying contents that obtains, the dummy object in one second viewing area after this rotation of demonstration.
12. digital bulletin method as claimed in claim 11 is characterized in that this method also comprises:
Determine this everyone coordinate in image, calculate those people's average coordinates, calculating those people's in image average coordinates and the distance of image center, wherein, those people's average coordinates and the distance of image center correspond in practice, in the vertical perpendicular of the camera lens extended line of camera head, the distance of the formed point of this camera head and the people orthogonal projection on this perpendicular;
Determine the distance of this camera head and people's formed point of orthogonal projection on this perpendicular in practice according to the ratio of the image of the picked-up of storing in this storer and actual object, wherein, the camera head that should determine and the distance of people's formed point of orthogonal projection on this perpendicular have constituted the length of side of a right-angle side of right-angle triangle, the length of side of the hypotenuse that the people that this is determined and the distance between the camera head have constituted right-angle triangle;
The people is with respect to direction and the angle of camera head in the scene image of determining to obtain according to formula angle X=arcsin (d1/d2), and controls this dummy object and rotate corresponding angle towards corresponding direction.
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| CN2012100527561A CN103295503A (en) | 2012-03-02 | 2012-03-02 | Digital bulletin system and digital bulletin method |
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| CN2012100527561A CN103295503A (en) | 2012-03-02 | 2012-03-02 | Digital bulletin system and digital bulletin method |
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Application publication date: 20130911 |