CN101335864A - Method and system for number of outdoor video receiving people statistic - Google Patents
Method and system for number of outdoor video receiving people statistic Download PDFInfo
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- CN101335864A CN101335864A CNA2007101181019A CN200710118101A CN101335864A CN 101335864 A CN101335864 A CN 101335864A CN A2007101181019 A CNA2007101181019 A CN A2007101181019A CN 200710118101 A CN200710118101 A CN 200710118101A CN 101335864 A CN101335864 A CN 101335864A
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Abstract
The invention discloses an outdoor video receiving people number statistic method, including: acquiring image information in the prescribed scope; identifying positive human faces in the image information; according to preset conditions, counting the different positive human faces to obtain the number of people for watching outdoor video. The method provided by the invention can effectively count the outdoor video receiving people, thereby learning the attention of different video information. So that the method can, according to the different attention to different video information, correspondingly regulate the publish time and field of video information, in order to reach the users' actual demand goal of positioning more adjacent to the video information delivery site, thereby guaranteeing the effective utilization of outdoor video information publishing channel. The present invention also discloses an outdoor video receiving people number statistic system.
Description
Technical field
The present invention relates to a kind of method of adding up viewer ship, particularly relate to a kind of method and system of number of outdoor video receiving people statistic.
Background technology
The viewer ship of video information has been represented the degree that this video information is paid close attention to, it can be used as weighs the important evidence that video information is thrown in the effect quality, and can change the kind of the video information of throwing in etc. according to viewer ship, press close to the purpose that video information is thrown in the user's actual need in place more to reach.
In the past, traditional video information is issued by the indoor tv video, the statistics of video information viewer ship is generally limited to statistics to indoor tv video information viewer ship, usually the method that adopts has two kinds, be diary method and personnel's measuring instrument method, these two kinds of methods all are based on sample census.
Diary method is meant by all 4 years old and above kinsfolk in the sample family fills in the method that the diary card is collected audience information.Each kinsfolk has diary card separately in the sample family, requires them that situation about televiewing every day is recorded on oneself own the diary card at any time.
Personnel's measuring instrument method is meant that utilization " personnel's measuring instrument " collects the method for television program receiving information.This method extracts part as sample households in as overall rating family, each member of sample households has the button of oneself on hand controller, when beginning to see TV, must click the button of representative oneself on the hand controller earlier, when not seeing TV, click this button again, measuring instrument all information real-time or that the segmentation handle televiews store, and send the statistics center then to.
In recent years, development along with information science technology, risen a kind of new media information dissemination method: the outdoor media information issuing method, it makes full use of outdoor media information and transmits continuous characteristics, various information such as the advertisement of needs issues, popular science knowledge are play on the video medium out of doors, thereby in time to greatest extent, information is exposed in face of the public, has very high information propagating efficient, so more and more enterprises is issued information by the outdoor video media.
In various outdoor media information issuing methods, outdoor video information issues such as business premises video radio hookup net, sales field video radio hookup net, apartment elevator video radio hookup net are emerging in recent years media information dissemination methods, these outdoor video information circulate under scenes such as business premises, sales field, apartment elevator and uninterruptedly play, direct browsing information, the information that obtains information when the feasible specific crowd of placing oneself in the midst of wherein can even be passed by in wait, leisure rest, thus a kind of information published method of pressing close to the video information audient more formed.
The various video information dissemination methods of above-mentioned employing have different social propertys because the information of carrying out is issued the video information audient's who is faced colony, thereby can't come the issue of arrangement information by the differentiation to audient colony.In addition, because video information audient's flowability is big, so be difficult to add up viewer ship by traditional video information statistical method.For example, video information in the online issue of business premises video radio hookup, the audient of information has very big flowability, and the issue arrangement of this video information is not by video audient control, therefore can't the service diary method and personnel's measuring instrument method the viewer ship of this outdoor video information is added up.
Yet, do not have a kind of clear and definite method in the prior art viewer ship of outdoor video information added up.Lacking under the situation that the viewer ship of outdoor video information is added up, can't learn the degree of concern of audient to different video informations, even cause in certain time period some kind specific information be subjected to degree of concern higher, and some other kinds of information is subjected to degree of concern low, also can't be corresponding the content of adjustment video information issue, thereby can't guarantee effective utilization of outdoor video information publication channel.
Summary of the invention
In view of this, the problem that the present invention solves provides a kind of method and system of number of outdoor video receiving people statistic, so that the viewer ship of outdoor video information is added up, and then can adjust the input of outdoor video information according to viewer ship, guarantee effective utilization of outdoor video information publication channel.
For this reason, the invention provides a kind of method of number of outdoor video receiving people statistic, may further comprise the steps:
Gather the image information in the preset range;
Discern the front face in the described image information;
According to prerequisite, different front faces is added up, obtain the number of watching outdoor video.
Wherein, described image information is analyzed, when comprising human eye feature or people's face symmetry feature in the described image information, determined to identify positive people's face.
Wherein, further comprise:
Discern in the described image information people's face and according to prerequisite, people's faces different in the described image information is added up, obtain flow of the people;
The number of outdoor video and the ratio of flow of the people are watched in calculating, obtain the audience ratings of outdoor video.
Wherein, described image information is analyzed, when comprising contouring head line feature in the described image information, determined to identify different people's faces.
Wherein, further comprise:
When from described image information, identifying front face, start the outdoor video playback equipment, play associated video;
When from described image information, not identifying front face, stop the broadcast of outdoor video playback equipment.
Wherein, described preset range comprises spatial dimension and/or time range, and the scope that described spatial dimension can cover according to image collecting device or the visual range of human eye are scheduled to; Described time range pre-sets according to video audience rating statistical person's needs.
Wherein, described prerequisite is time period and/or the spatial dimension that presets.
Based on said method, the present invention also provides a kind of system of number of outdoor video receiving people statistic, and this system comprises:
Image collecting device is used to gather the image information in the preset range, and exports this image information;
First pattern recognition device is used for the front face of the image information of recognition image harvester output, and exports the different front faces that identified; And
First counting device is used for according to prerequisite, and the different front face of first pattern recognition device output is added up, and obtains the number of watching outdoor video.
Wherein, described first pattern recognition device is used for described image information is analyzed, and when comprising human eye feature or people's face symmetry feature in the described image information, determines to identify positive people's face.
Wherein, also comprise:
Second pattern recognition device is used for discerning people's face of the image information of described image collecting device output, and different people's face of being identified of output;
Second counting device according to prerequisite, is added up different people's face in the image information of described second pattern recognition device output, obtains flow of the people; And
Arithmetic unit is used to calculate the number of watching outdoor video and the ratio of flow of the people, obtains the audience ratings of outdoor video.
Wherein, described second pattern recognition device is used for described image information is analyzed, and when comprising contouring head line feature in the described image information, determines to identify different people's faces.
Wherein, also comprise:
Broadcast control device is used for starting the outdoor video playback equipment when when described image information identifies front face, plays associated video; When from described image information, not identifying front face, stop the broadcast of outdoor video playback equipment.
Wherein, described preset range comprises spatial dimension and/or time range, and the scope that described spatial dimension can cover according to image collecting device or the visual range of human eye are scheduled to; Described time range pre-sets according to video audience rating statistical person's needs.
Wherein, described prerequisite is time period and/or the spatial dimension that presets.
Compared with prior art, the present invention has the following advantages:
1, the present invention passes through to gather the image information of preset range, and the front face that comprises in the identification institute images acquired information, different front faces is added up, thereby obtained the interior outdoor video viewer ship of preset range.
2, the outdoor video viewer ship in the preset range that is obtained according to the present invention, can learn the degree of concern that is subjected to of different video information, be subjected to the difference of degree of concern according to different video information, issuing time and occasion to video information are done corresponding the adjustment, press close to the purpose that video information is thrown in the user's actual need in place more to reach, thereby guarantee effective utilization of outdoor video information publication channel;
3, the present invention is by adding described broadcast control device, the energy resource consumption that can save the outdoor video playback equipment effectively, and the useful life that can improve the outdoor video playback equipment greatly in system.
Description of drawings
Fig. 1 is the flow chart of an embodiment of the method for number of outdoor video receiving people statistic provided by the invention;
Fig. 2 is the flow chart of another embodiment of the method for number of outdoor video receiving people statistic provided by the invention;
Fig. 3 is the structural representation of an embodiment of the system of number of outdoor video receiving people statistic provided by the invention;
Fig. 4 is the structural representation of another embodiment of the system of number of outdoor video receiving people statistic provided by the invention.
Embodiment
For making those skilled in the art understand the present invention better, specify below in conjunction with the method for specific embodiment to number of outdoor video receiving people statistic provided by the invention.
Fig. 1 is the flow chart of an embodiment of the method for number of outdoor video receiving people statistic provided by the invention, and this method may further comprise the steps:
Step S101: the image information of gathering preset range.
In this step, can gather image information by image capture device, for example can be by camera to the image information collection.Employed image capture device can be external independently image collecting device, also it can be integrated in the outdoor video playback equipment.
The image information that this step is gathered is the outdoor image information of preset range, and this preset range comprises spatial dimension and time range.
The scope that described spatial dimension can cover according to image capture device or the visual range of human eye are scheduled to, and specifically need the actual conditions of considering that outdoor video information is play.For example, the installation site of outdoor video information broadcast equipment, position and other situations that image capture device is installed.In view of the sphere of action of the general conventional images collecting device visual range greater than human eye, and general audient watches video information from the front, and this step preferred acquisition is in the visual range of human eye and be positioned at the image information in video playback apparatus front.
Described time range can pre-set according to video audience rating statistical person's needs.The time range that rush hour, section was gathered as image information of common flow of personnel for example, can be set.
Step S102: the front face in the identification institute images acquired information.
Described front face is meant when people's face faces the video information playback equipment, the human face image information that image capture device collected.
In step S102, because people are when watching video information, most people's customs face the video information playback equipment, and at this moment, front face comprises various features such as nose, lip, eyes, cheek.Therefore, one or more that can utilize above-mentioned feature defines front face, preferably, front face can be defined as the human face image information that includes human eye feature or people's face symmetry feature.Can whether include human eye feature or people's face symmetry feature by analyzing the image information that is collected, front face is discerned.
The human eye feature that different people has or people's face symmetry feature are inequality, therefore people's face in the front that they had is also different, in this step, can discern different front faces by human eye feature or the people's face symmetry feature analyzed in institute's images acquired information.
As previously described, most people custom faces the video information playback equipment and watches video information, therefore, among the present invention, the quantity and the outdoor video viewer ship of different front faces is equal to.
Step S103: according to prerequisite, add up the quantity of different front face, obtain the number of watching outdoor video.
Concrete statistical method is:
When identifying a different front face, do to add 1 operation.
Because different people's front face is inequality.Thereby this step is by adding up the quantity of the different front face that is identified, the number that can obtain to watch outdoor video.
In step S103, time period and/or the spatial dimension of described prerequisite for presetting as required.This step can obtain to watch in this time period the number of video information by the different front face in the setting-up time section is added up.Can be the reproduction time section of each video frequency program in the time period of described setting, thereby draw the viewer ship of each video frequency program.
Certainly, also can be as required the number of the front face of piece image be added up separately.
After the number of outdoor video is watched in acquisition, can preserve the statistical number of person of acquisition, then with the count results zero clearing.
More particularly, suppose to be preset at the viewer ship of 12:00-12:15 statistics outdoor video at noon;
So at 12:00-12:15, image capture device (can be a camera) will start, gather the image in video dispensing device the place ahead, then each width of cloth image that collects is all analyzed, discern the front face in each width of cloth image, then the quantity of different front faces is added up, thereby obtain 12:00-12:15 watches outdoor video in the time period number.
Adopt the method for the foregoing description, can add up the viewer ship of outdoor video information, and then can adjust the input of outdoor video information, guarantee effective utilization of outdoor video information publication channel according to viewer ship.
In actual applications, can also be based on the statistics of the described method realization of top embodiment to the audience ratings of outdoor video information.Below, in conjunction with another embodiment this method being specifically described, Fig. 2 is the method flow diagram of another embodiment.
Step S201: the image information of gathering preset range.
Step S202: the front face in the identification institute images acquired information.
Step S203: according to prerequisite, add up the quantity of different front face, obtain the number of watching outdoor video.
Step S204: the people's face in the identification institute images acquired information.
Wherein, the method for identification people face has a lot, for example, judges in the image information of being gathered whether have contouring head line feature, if there is a contouring head line feature, then thinking has people's face.
Be understandable that: when the contouring head line feature that has as different people was inequality, their people's face was also inequality.In this step, can discern different people's faces by the contouring head line feature of analyzing in institute's images acquired information.
Step S205: according to prerequisite, add up the quantity of different people's face, obtain the flow of the people that passes through before the video playback apparatus.
In image information, the face characteristic that different people has is different, and face characteristic comprises various features such as eyes, nose, lip, following Hubei Province, contouring head line.Can utilize the difference of these features to differentiate different people's faces; Preferably, when different people's contouring head line feature not simultaneously, people's face of different people is also inequality, therefore, the number of different contouring head line features also equates with the number of different people's face.
Concrete statistical method is:
When identifying a different contouring head line feature, do to add 1 operation, thereby obtain the number of different contouring head line features, with the number of the different head outline line feature of gained quantity as the different people face in institute's images acquired information.
Be understandable that the quantity of this different people face is the flow of the people that passes through before video playback apparatus.
Because the contouring head line feature difference that different people has, this step is by adding up the number of the different head outline line feature that is identified, the flow of the people that can obtain to pass through before video playback apparatus.
In this step, time period and/or the spatial dimension of described prerequisite for presetting as required.This step can obtain to appear in this time period the preceding number of video playback apparatus by the different people's face in the setting-up time section is added up.Can be the reproduction time section of each video frequency program in the time period of described setting.
Step S206: calculate the ratio of the flow of the people of watching the number of outdoor video and before video playback apparatus, passing through, obtain the audience ratings of outdoor video.
Wherein, according to number of watching outdoor video that is obtained in the random time section and the flow of the people that before video playback apparatus, passes through, can obtain the video information audience ratings in this random time section.
For example, this step can be according to number of watching outdoor video that is obtained in the Preset Time section and the flow of the people that passes through before video playback apparatus, obtain the video information audience ratings in this time period,, carry out subsequent analysis better so that add up the audience ratings of video information flexibly.
Because the viewer ship of video information has been represented the degree that this video information is paid close attention to, it can be used as weighs the important evidence that video information is thrown in the effect quality, and can change the kind of the video information of throwing in etc. according to viewer ship, press close to the purpose that video information is thrown in the user's actual need in place more to reach.Therefore, significant to the statistics of video information viewer ship.
In actual applications, can also realize the operation of outdoor video playback equipment is controlled based on the described method of top two embodiment.Have only when from the image information of being gathered, identifying positive people's face; just start the outdoor video playback equipment; carry out the broadcast of associated video image; if when from the image information of being gathered, not identifying positive people's face; then make the outdoor video playback equipment be in standby or stopped status; thereby saves energy reduces the consumption of the energy, and the useful life of having improved the outdoor video playback equipment greatly.
As shown in Figure 3, the present invention also provides a kind of system of number of outdoor video receiving people statistic, and this system comprises image collecting device 301, the first pattern recognition devices 302 and first counting device 303.
Wherein, image collecting device 301 is used to gather the image information in the preset range, and exports this image information, and this device both can be integrated in the outdoor video playback equipment, also can independently be placed on the outdoor video playback equipment.
The image information of being gathered is the outdoor image information of preset range, and this preset range comprises spatial dimension and time range.
Described spatial dimension can be scheduled to according to 301 scopes that can cover of image collecting device or the visual range of human eye, specifically needs the actual conditions of considering that outdoor video information is play.For example, the installation site of outdoor video information broadcast equipment, position and other situations that image collecting device is installed.In view of the sphere of action of the general conventional images harvester visual range greater than human eye, and general audient watches video information from the video play device front, and preferred acquisition is in the visual range of human eye and be positioned at the image information in video play device front.
In the present invention, described time range can pre-set according to video audience rating statistical person's needs.The time range that rush hour, section was gathered as image information of common flow of personnel for example, can be set.
Described first pattern recognition device 302 is used for the front face of the image information of recognition image harvester 301 outputs, and exports the different front faces that identified.
In the present invention, first pattern recognition device 302 is used for described image information is analyzed, and when comprising human eye feature or people's face symmetry feature in the described image information, determines to identify positive people's face.
In view of existing face identification device generally has people's face measuring ability and facial Feature Localization function, described people's face measuring ability is meant to judge whether there is people's face in the input picture, if have, provide the position of everyone face, size, described facial Feature Localization function is meant can be to everyone face that finds, and detects information such as the position of its major organs and shape.
First pattern recognition device 302 has the general utility functions of face identification device.
Because people are when watching video information, most people's customs face the video information playback equipment, therefore, front face can be defined as the human face image information that includes human eye feature or people's face symmetry feature.Whether first pattern recognition device 302 includes human eye feature or people's face symmetry feature by analyzing the human face image information that is collected, thereby front face is discerned.
As previously described, most people custom faces the video information playback equipment and watches video information, therefore, in the present invention, the quantity and the outdoor video viewer ship of different front faces is equal to.Because therefore different people's front face difference, adds up by 303 pairs of different front faces that identified of first counting device, can obtain to watch the number of outdoor video.
Time period and/or the spatial dimension of described prerequisite for presetting as required.
Need to prove: described image collecting device 301, first pattern recognition device 302, first counting device 303 can be discrete devices; Perhaps at least two devices integrate.
Need to prove: in the time period of setting, can utilize image collecting device 301, first pattern recognition device 302 and 303 pairs of first counting devices to add up by the different front face in the time period, obtain to watch in this time period the number of video information.Can be the reproduction time section of each video frequency program in the time period of described setting, thereby draw the viewer ship of each video frequency program.
Certainly, in the present invention, also can add up the front face in the piece image.
More particularly, suppose to be preset at the viewer ship of 12:00-12:15 statistics outdoor video at noon; So at 12:00-12:15, image collecting device 301 (can be a camera) will start, gather the image in video dispensing device the place ahead, each width of cloth image of being gathered of 302 pairs of image collecting devices 301 of first pattern recognition device is all analyzed then, discern the front face in each width of cloth image, utilize the quantity of 303 pairs of different front faces of first counting device to add up, thereby obtain 12:00-12:15 watches outdoor video in the time period number.
Adopt the system of the foregoing description, can add up the viewer ship of outdoor video information, and then can adjust the input of outdoor video information, guarantee effective utilization of outdoor video information publication channel according to viewer ship.
In actual applications, can also be based on the statistics of the described system of the foregoing description realization to the audience ratings of outdoor video information.Below, being specifically described in conjunction with another embodiment, Fig. 4 is the structure chart of system among another embodiment.
As shown in Figure 4, the system of number of outdoor video receiving people statistic provided by the invention can also comprise second pattern recognition device, 304, the second counting devices 305 and arithmetic unit 306.
Described second pattern recognition device 304 is used for discerning people's face of the image information of described image collecting device 301 outputs, and different people's face of being identified of output.
Described second pattern recognition device is used for described image information is analyzed, and when comprising contouring head line feature in the described image information, determines to identify different people's faces.
Described second counting device 305 according to prerequisite, is added up different people's face in the image information of described second pattern recognition device 304 outputs, obtains the flow of the people that passes through before the video playback apparatus.
Described arithmetic unit 306 is used to calculate the number of watching outdoor video and the ratio of flow of the people, obtains the audience ratings of outdoor video.
Wherein, time period and/or the spatial dimension of described prerequisite for presetting as required.
The image information that 304 pairs of image collecting devices 301 of second pattern recognition device are gathered is discerned, if there is a contouring head line feature, then thinking has people's face.
In the present invention, second pattern recognition device 304 has the general utility functions of face identification device.
In image information, when the contouring head line feature that has as different people was inequality, their people's face was also inequality, and therefore, the number of different contouring head line features equates with the number of different people's faces.In the present invention, second pattern recognition device 304 can be discerned people's face by the contouring head line feature of analyzing in institute's images acquired information.
Among the present invention, when second pattern recognition device 304 identifies a different contouring head line feature, second counting device does to add 1 operation, thereby obtain the number of different contouring head line features, with the quantity of this different head outline line number as different people face in the image information of being gathered.
Be understandable that the quantity of people's face that these are different is the flow of the people that passes through before video playback apparatus.
Need to prove: because the contouring head line feature difference that different people has, the present invention utilizes the number of the different head outline line feature that second counting device 305 statistics, second pattern recognition device 304 identified, thereby obtains the flow of the people that passes through before video playback apparatus.
Among the present invention, utilize arithmetic unit 306 to calculate the number of watching outdoor video of first counting device, 303 acquisitions and the ratio of the flow of the people that second counting device 305 obtains, thereby obtain the audience ratings of outdoor video.
Be understandable that: according to number of watching outdoor video that is obtained in the random time section and the flow of the people that passes through before video playback apparatus, arithmetic unit 306 can obtain the video information audience ratings in this random time section.
For example, can utilize arithmetic unit 306 to calculate the ratio of number of watching outdoor video that in the Preset Time section, is obtained and the flow of the people that before video playback apparatus, passes through, obtain the video information audience ratings in this time period, so that add up the audience ratings of video information flexibly, carry out subsequent analysis better.
In actual applications, based on above-mentioned two system embodiments, system provided by the invention may further include broadcast control device.
Described broadcast control device is used for starting the outdoor video playback equipment when when described image information identifies front face, plays associated video; When from described image information, not identifying front face, stop the broadcast of outdoor video playback equipment.
Described broadcast control device comes video playback apparatus is controlled by enabling signal and stop signal are provided to video playback apparatus.Concrete control mode is: when identifying front face from described image information, broadcast control device sends enabling signal to video playback apparatus, starts the outdoor video playback equipment, plays associated video; When unidentified when going out front face from described image information, broadcast control device sends stop signal to video playback apparatus, stops the broadcast of outdoor video playback equipment.
Described enabling signal and described stop signal can be power supply signal or control signal.
By in system, adding described broadcast control device, the energy resource consumption that can save the outdoor video playback equipment effectively, and the useful life that can improve the outdoor video playback equipment greatly.
Need to prove: first pattern recognition device 302 and second pattern recognition device 304 can be discrete devices, perhaps integrate, and perhaps their function unification is finished by a pattern recognition device.
Certainly, described first counting device 303 and second counting device 305 can be discrete devices also, perhaps integrate, and perhaps their function unification is finished by a counting device.
The above only is a preferred implementation of the present invention, not in order to restriction the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some modifications, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1, a kind of method of number of outdoor video receiving people statistic is characterized in that, comprising:
Gather the image information in the preset range;
Discern the front face in the described image information;
According to prerequisite, different front faces is added up, obtain the number of watching outdoor video.
2, the method for claim 1 is characterized in that, described image information is analyzed, and when comprising human eye feature or people's face symmetry feature in the described image information, determines to identify positive people's face.
3, the method for claim 1 is characterized in that, further comprises:
Discern in the described image information people's face and according to prerequisite, people's faces different in the described image information is added up, obtain flow of the people;
The number of outdoor video and the ratio of flow of the people are watched in calculating, obtain the audience ratings of outdoor video.
4, method as claimed in claim 3 is characterized in that, described image information is analyzed, and when comprising contouring head line feature in the described image information, determines to identify different people's faces.
5, the method for claim 1 is characterized in that, further comprises:
When from described image information, identifying front face, start the outdoor video playback equipment, play associated video;
When from described image information, not identifying front face, stop the broadcast of outdoor video playback equipment.
6, as any described method of claim 1 to 5, it is characterized in that described preset range comprises spatial dimension and/or time range, the scope that described spatial dimension can cover according to image collecting device or the visual range of human eye are scheduled to; Described time range pre-sets according to video audience rating statistical person's needs.
As claim 1 or 3 described methods, it is characterized in that 7, described prerequisite is time period and/or the spatial dimension that presets.
8, a kind of system of number of outdoor video receiving people statistic is characterized in that, comprising:
Image collecting device is used to gather the image information in the preset range, and exports this image information;
First pattern recognition device is used for the front face of the image information of recognition image harvester output, and exports the different front faces that identified; And
First counting device is used for according to prerequisite, and the different front face of first pattern recognition device output is added up, and obtains the number of watching outdoor video.
9, system as claimed in claim 8 is characterized in that, described first pattern recognition device is used for described image information is analyzed, and when comprising human eye feature or people's face symmetry feature in the described image information, determines to identify positive people's face.
10, system as claimed in claim 8 is characterized in that, also comprises:
Second pattern recognition device is used for discerning people's face of the image information of described image collecting device output, and different people's face of being identified of output;
Second counting device according to prerequisite, is added up different people's face in the image information of described second pattern recognition device output, obtains flow of the people; And
Arithmetic unit is used to calculate the number of watching outdoor video and the ratio of flow of the people, obtains the audience ratings of outdoor video.
11, system as claimed in claim 10 is characterized in that, described second pattern recognition device is used for described image information is analyzed, and when comprising contouring head line feature in the described image information, determines to identify different people's faces.
12, system as claimed in claim 8 is characterized in that, also comprises:
Broadcast control device is used for starting the outdoor video playback equipment when when described image information identifies front face, plays associated video; When from described image information, not identifying front face, stop the broadcast of outdoor video playback equipment.
13, as any described system of claim 8 to 12, it is characterized in that described preset range comprises spatial dimension and/or time range, the scope that described spatial dimension can cover according to image collecting device or the visual range of human eye are scheduled to; Described time range pre-sets according to video audience rating statistical person's needs.
As claim 8 or 10 described systems, it is characterized in that 14, described prerequisite is time period and/or the spatial dimension that presets.
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| CN102147855A (en) * | 2011-01-20 | 2011-08-10 | 叶尔肯·拜山 | Method and device for counting outdoor advertisement audience rating |
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