CN103235932A - People counting method and device for accesses - Google Patents
People counting method and device for accesses Download PDFInfo
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- CN103235932A CN103235932A CN2013101210036A CN201310121003A CN103235932A CN 103235932 A CN103235932 A CN 103235932A CN 2013101210036 A CN2013101210036 A CN 2013101210036A CN 201310121003 A CN201310121003 A CN 201310121003A CN 103235932 A CN103235932 A CN 103235932A
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Abstract
The invention discloses people counting method and device for accesses. A shoeprint acquisition plate placed at an access bears shoeprints of a person who passing the access; the shoeprints are compared with shoeprints preset in a time window; if the shoeprints are not found in the time window, a number of people counting in the corresponding direction is added by 1 and the shoeprints are stored for the next step; if the shoeprints are found in the time window, the number of people counting in the corresponding direction is kept unchanged; the shoeprints are then compared with shoeprints stored during a people counting period; if the shoeprints are not found in the people counting period, the number of people counting is added by 1; if the shoeprints are found in the people counting period, the number of people counting is kept unchanged. The people counting method for accesses is applicable to people counting for accesses of open scenes, provides the solution to the problem in recognizing same persons among mutually blocked people, is capable of counting the number of entering and exiting people in the same time, and is well adaptive to environments.
Description
Technical field
The present invention relates to the improvement of gateway demographics technology, specifically refer to a kind of gateway demographic method and device based on footwear seal collection identification, belong to gateway demographics technical field.
Background technology
The needs that have demographics in many open scenes.The characteristics that the gateway of prologue scene has are: do not have identify label (for example: I.D., admission ticket etc.) by personnel; Quantity by personnel is bigger, may have crowded situation; The gateway does not separate, and there are the personnel that enter, leave simultaneously in same mouth, and for example: the gateway in market, school, the park that is free of charge is the open scene of this class gateway.Current solution for gateway people's counting number mainly contains following three kinds: people's counting number of gathering based on ccd image, based on ultrared people's counting number with based on people's counting number of pressure transducer.Wait the crowd's of counting number figure by the ccd video camera collection based on the number method of counting of ccd image collection, use the number in the mode identification technology statistical picture then, for example patent " a kind of counting number of people in car method and system (patent No.: 200810241953.1) ", " counter for person number at exit and entrance (patent No.: 200510025186.7) ", the shortcoming of this kind method has: can't solve occlusion issue fully, be difficult to solve the identified problems of same portrait in the multiple image, very responsive to illumination variation, stablize relatively poor.Use the crowd of red light irradiation identification counting based on ultrared number method of counting, calculate personnel's quantity according to ultrared reflection, for example: " a kind of automatic people's counter (patent No.: 201020534026.1) ", " people's counter (patent No.: 200420076313.7) ", " based on heat release infrared sensor people's counter implement device (patent No.: 201120083814.8) ", the shortcoming of this kind method has: because the characteristic of infrared ray rectilinear propagation, can't accurate counting for overlapping crowd of blocking, though patent " based on heat release infrared sensor people's counter implement device (patent No.: 201120083814.8) " " and utilize infrared ray that lens send the human body on the plane through lens imaging on straight line; utilize a plurality of heat to release the detector that infrared sensor is formed; to see at detector to form several hot spots; i.e. expression has several biosomes simultaneously by this plane ", the solution of part occlusion issue, but still can't accurate counting when crowded.Patent " people from library counter (patent No.: 201220001432.0) " adopt gravity sensing device testing staff to pass through, and two gravity sensing devices are set, the Inbound that goes out according to the sequencing testing staff who touches, the problem of this patent has: can only singlely pass through the gateway, if many people walk abreast by then can't count, this method can't be applied to people's counting number of some open scenes such as market, station.
Summary of the invention
At the prior art above shortcomings, the purpose of this invention is to provide a kind of method and apparatus that is applicable to people from gateway counting number in the open scene, the present invention can solve that the discrepancy crowd is blocked mutually, the problem of same personal identification, and can add up discrepancy personnel's quantity simultaneously, to good environmental adaptability.
The technological means of technical solution problem of the present invention is achieved in that
The gateway demographic method the steps include:
1) footwear seals collection plate at first is set in the gateway, so that the crowd must step down on the footwear seal collection plate during by the gateway, this footwear seal collection plate can record the servant and step down in the footwear seal that stays above and the direction that can identify the footwear seal;
2) when the people passes through the gateway, namely stay this people's footwear seal on the footwear seal collection plate; Printing to identical footwear with this footwear India side in this footwear seal and the predefined time window compared, if this footwear seal not in this time window, then be effective counting once, the counterparty to stream of people's statistical number add 1, simultaneously this footwear seal is preserved and enters the 3rd) go on foot; Otherwise the counterparty to stream of people's statistical number constant;
3) the footwear seal that this footwear seal and demographics were preserved in the time period compares, if demographics this footwear seal not in the time period, then the demographics number adds 1; Otherwise the demographics number is constant.
Further, the described the 2nd) step and the 3rd) going on foot footwear seal comparative approach is, the footwear seal is divided into four comparison elements by length, width, outline and texture, has only when two footwear seal four elements similarity reaches the setting degree respectively, just think same footwear seal, otherwise be different footwear seals.
By matrix arrangements some thin film switches of often opening are arranged on the described footwear seal collection plate, the centre distance of adjacent two thin film switches is less than two millimeters, when the people steps down on the footwear seal collection plate, can make part thin film switch closure, the coordinate of the thin film switch correspondence that all are closed namely constitutes the footwear seal that formation is trampled in this time; The quantity of trampling the thin film switch closure when single then is invalid trampling during less than assign thresholds, and this footwear seal does not carry out follow-up comparison.
Gateway demographics device, it comprises footwear seal collection plate, signals collecting and processing unit and analytic statistics unit, by matrix arrangements some thin film switches of often opening are arranged on the described footwear seal collection plate, thin film switch can be closed under pressurized, signals collecting and processing unit are made of poll sweep circuit, single-chip microcomputer and output interface three parts, the output cock wheel of all thin film switches is ask sweep circuit, and poll sweep circuit, single-chip microcomputer, output interface and analytic statistics sequence of unit are connected; The poll sweep circuit scans the closure state of the thin film switch on the footwear seal collection plate successively and is transferred to single-chip microcomputer, noted the coordinate of closed thin film switch by single-chip microcomputer, after treating that all thin film switch scannings are finished on the footwear seal collection plate, form a complete packet and send the analytic statistics unit to by output interface.
The centre distance of described adjacent two thin film switches is less than two millimeters.
The present invention can be applicable to that by gathering footwear seal statistician quantity statistics is opened to the personnel amount that entrance passes through.Compared to existing technology, the present invention has following advantage:
1, the present invention can the statistician side by side, the number under the congested conditions, can effectively solve the problem of blocking.
2, the invention solves the problem of same personnel's sign.Personnel stay a plurality of continuous footwear by footwear seal collection plate and print to identify same individual, and the picture quality of footwear seal is higher, and whether can identify comparatively exactly is same individual, can avoid repeat count preferably or leak meter.
3, the invention solves out the problem of Inbound identification.Gateway open all exists though go out, go into personnel, and the same set of equipment of the present invention can be easy to the personnel's that identify the Inbound that goes out by the fore-and-aft direction of footwear seal, so the quantity that can add up the discrepancy personnel simultaneously.
4, the present invention has adaptability preferably to environment.Collection plate uses the switch sensor based on pressure, insensitive to illumination, temperature, personnel's weight, therefore can effectively overcome illumination, temperature, personnel's weight to the influence of counting, can adapt to various environment preferably, higher robustness is arranged, accurately statistician's quantity.
Description of drawings
Fig. 1-systematic square frame synoptic diagram of the present invention.
Fig. 2-footwear seal acquisition circuit board schematic diagram.
Fig. 3-thin film switch array element circuit theory synoptic diagram of the present invention.
Fig. 4-footwear seal collection plate of the present invention stays footwear seal synoptic diagram.
Fig. 5-overall workflow figure of the present invention.
Fig. 6-analytic statistics cell operation process flow diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Purpose of the present invention is passed through flow for the personnel that count entrance, by gathering the footwear seal by personnel, then in footwear seals and the system the footwear seal by personnel compare, to identify the personnel that newly enter, by the personnel that newly enter are counted, to reach the purpose of statistician's flow.The present invention is specially adapted to gateway number enumeration problem in the open scene, the quantity of passing through of for example adding up subway station gateway or doorway, market personnel.
Gateway of the present invention demographic method the steps include:
1) footwear seals collection plate at first is set in the gateway, so that the crowd must step down on the footwear seal collection plate during by the gateway, this footwear seal collection plate can record the servant and step down in the footwear seal that stays above and the direction that can identify the footwear seal;
2) when the people passes through the gateway, namely stay this people's footwear seal on the footwear seal collection plate; Printing to identical footwear with this footwear India side in this footwear seal and the predefined time window compared, if this footwear seal not in this time window, then be effective counting once, the counterparty to stream of people's statistical number add 1, simultaneously this footwear seal is preserved and enters the 3rd) go on foot; Otherwise the counterparty to stream of people's statistical number constant; In the time of relatively, except printing to identical footwear with this footwear India side in footwear seals and the predefined time window compared, also need the relatively mirror image footwear seal of this footwear seal, if this footwear seal is left foot, mirror image footwear seal is right crus of diaphragm so, so just can be classified as same footwear seal to same individual left and right sides pin footwear seal and handle, avoid counting number twice.Perhaps also can relatively count respectively left right shoe seal, half of statistics is the actual count result.
3) the footwear seal that this footwear seal and demographics were preserved in the time period compares, if demographics this footwear seal not in the time period, then the demographics number adds 1; Otherwise the demographics number is constant.
The 2nd) step and the 3rd) going on foot footwear seal comparative approach is, the footwear seal is divided into four comparison elements by length, width, outline and texture, have only when two footwear seal four elements similarity reaches setting degree (value) respectively, just think same footwear seal, otherwise be different footwear seals.
By matrix arrangements some thin film switches of often opening are arranged on the described footwear seal collection plate, the centre distance of adjacent two thin film switches is less than two millimeters, when the people steps down on the footwear seal collection plate, can make part thin film switch closure, the coordinate of the thin film switch correspondence that all are closed namely constitutes the footwear seal that formation is trampled in this time; The quantity of trampling the thin film switch closure when single then is invalid trampling during less than assign thresholds, and this footwear seal does not carry out follow-up comparison.Usually threshold value is determined by the quantity of the switch closure of minimum footwear seal covering, can avoid switch to damage like this and produce the unnecessary data transmission.
Gateway demographics device, referring to Fig. 1, it comprises footwear seal collection plate, signals collecting and processing unit and analytic statistics unit, by matrix arrangements some thin film switches of often opening are arranged on the described footwear seal collection plate, thin film switch can be closed under pressurized, and the centre distance of adjacent two thin film switches is less than two millimeters.Signals collecting and processing unit are made of poll sweep circuit, single-chip microcomputer and output interface three parts, and the output cock wheel of all thin film switches is ask sweep circuit, and poll sweep circuit, single-chip microcomputer, output interface and analytic statistics sequence of unit are connected.The poll sweep circuit scans the closure state of the thin film switch on the footwear seal collection plate line by line successively and is transferred to single-chip microcomputer, the single pass time (referring to scan the time of taking turns) is not more than 16 milliseconds, noted the coordinate of closed thin film switch by single-chip microcomputer, after having scanned all switches on the footwear seal collection plate, single-chip microcomputer is combined into a packet to the result of single pass and changes the analytic statistics unit over to, by the quantity of analytic statistics element analysis switch closure data, the different footwear seals of stored count, this quantity is exactly the number of passing through.Overall workflow of the present invention is seen Fig. 6.
In order to guarantee the resolution of footwear watermark image, print discernible purpose to reach footwear, the centre distance of adjacent two thin film switches is less than two millimeters, the length of footwear seal collection plate can not be less than 3 times by the possible maximum step-length of personnel, suggestion is no less than 3 meters, like this someone by the time to stay three footwear seal at least in the above, even wherein indivedual footwear seals can not effectively be identified, also can guarantee to have at least one can be identified, thereby reach accurate identifying purpose.The width of footwear seal collection plate is not less than by the possible maximum step of personnel wide.The footwear seal is gathered and is made up of a plurality of thin film switch array elements, Fig. 2 has showed the footwear seal collection plate beginning status scan circuit (being the poll sweep circuit) that is made of 6 thin film switch array elements, and beginning status scan circuit scans each thin film switch array element successively under the control of MCU.Thin film switch array element of the present invention is seen Fig. 3, thin film switch is formed two-dimentional switch arrays by row connecting line, row connecting line, each thin film switch connects a capable connecting line and a root row connecting line respectively, and the function of ZLG7289 chip is to read the closure state of each thin film switch.The footprint collecting flowchart as shown in Figure 5.Fig. 4 stays footwear seal synoptic diagram for footwear seal collection plate, and the arrow indication is thin film switch among the figure.
Analytic statistics cell operation flow process is seen Fig. 6, and the closed data of thin film switch that processing signals collection and processing unit import into are responsible in the analytic statistics unit, are partitioned into single footwear seal, then extracts complete footwear seal (filtering incomplete footwear seal).Characteristic when will consider when extracting complete footwear seal that switch is pressed, if two independently the footwear seal is regional at a distance of nearer (within the possible length of predefined maximum footwear seal), and the formation time in zone is more approaching, can think that then two isolated areas belong to same footwear seal.Because the design feature of present many footwear has determined that its footwear seal heel that stays is to separate two independent parts (particularly this feature of high-heeled shoes is very obvious) with forefoot, but itself belong to same footwear seal again, these footwear seals can be extracted by this method, and can not think invalid or incomplete footwear seal.Extract the feature of each footwear seal then, footwear Yin Tezheng comprises: footwear seals length, footwear seal width, outline, texture etc., then with the fixed time window in the footwear seal compare, if the footwear seal is emerging footwear seal, then stream of people's statistical number adds 1, otherwise stream of people's statistical number is constant; If emerging footwear seal then with the fixed time section in the footwear seals (history library) preserved of system relatively, if history library is not deposited this footwear seal, then the demographics number adds 1, otherwise the demographics number is constant.Time window is slightly larger than the people that walks the slowest by the time of footwear seal collection plate, can also can be arranged by system's automatic dynamic by artificial appointment.Stream of people's statistical number refers to the number passed through, if a people by twice, also repeat count.The people's that the demographics number passes through in referring at the appointed time number, at the appointed time in repeat count not.
Explanation is 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 breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. the gateway demographic method is characterized in that, the steps include:
1) footwear seals collection plate at first is set in the gateway, so that the crowd must step down on the footwear seal collection plate during by the gateway, this footwear seal collection plate can record the servant and step down in the footwear seal that stays above and the direction that can identify the footwear seal;
2) when the people passes through the gateway, namely stay this people's footwear seal on the footwear seal collection plate; Printing to identical footwear with this footwear India side in this footwear seal and the predefined time window compared, if this footwear seal not in this time window, then be effective counting once, the counterparty to stream of people's statistical number add 1, simultaneously this footwear seal is preserved and enters the 3rd) go on foot; Otherwise the counterparty to stream of people's statistical number constant;
3) the footwear seal that this footwear seal and demographics were preserved in the time period compares, if demographics this footwear seal not in the time period, then the demographics number adds 1; Otherwise the demographics number is constant.
2. gateway according to claim 1 demographic method, it is characterized in that: the described the 2nd) step and the 3rd) going on foot footwear seal comparative approach is, the footwear seal is divided into four comparison elements by length, width, outline and texture, have only when two footwear seal four elements similarity reaches the setting degree respectively, just think same footwear seal, otherwise be different footwear seals.
3. gateway according to claim 1 demographic method, it is characterized in that: by matrix arrangements some thin film switches of often opening are arranged on the described footwear seal collection plate, the centre distance of adjacent two thin film switches is less than two millimeters, when the people steps down on the footwear seal collection plate, can make part thin film switch closure, the coordinate of the thin film switch correspondence that all are closed namely constitutes the footwear seal that formation is trampled in this time; The quantity of trampling the thin film switch closure when single then is invalid trampling during less than assign thresholds, and this footwear seal does not carry out follow-up comparison.
4. gateway demographics device, it is characterized in that: it comprises footwear seal collection plate, signals collecting and processing unit and analytic statistics unit, by matrix arrangements some thin film switches of often opening are arranged on the described footwear seal collection plate, thin film switch can be closed under pressurized, signals collecting and processing unit are made of poll sweep circuit, single-chip microcomputer and output interface three parts, the output cock wheel of all thin film switches is ask sweep circuit, and poll sweep circuit, single-chip microcomputer, output interface and analytic statistics sequence of unit are connected; The poll sweep circuit scans the closure state of the thin film switch on the footwear seal collection plate successively and is transferred to single-chip microcomputer, noted the coordinate of closed thin film switch by single-chip microcomputer, after treating that all thin film switch scannings are finished on the footwear seal collection plate, form a complete packet and send the analytic statistics unit to by output interface.
5. gateway according to claim 4 demographics device, it is characterized in that: the centre distance of described adjacent two thin film switches is less than two millimeters.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103743948A (en) * | 2013-10-29 | 2014-04-23 | 国家电网公司 | Implementation method capable of improving accuracy of per-capita energy consumption of building |
| CN104978782A (en) * | 2014-04-11 | 2015-10-14 | 南京视察者信息技术有限公司 | Passenger-flow analytic method based on touch screen technology |
| CN105469485A (en) * | 2015-11-24 | 2016-04-06 | 清华大学苏州汽车研究院（吴江） | Bus guest flow statistical system based on photosensitive sensor array |
| CN105844234A (en) * | 2016-03-21 | 2016-08-10 | 商汤集团有限公司 | People counting method and device based on head shoulder detection |
| CN106568439A (en) * | 2016-04-08 | 2017-04-19 | 中国人民解放军理工大学 | Placing guiding method based on shoeprint recognition |
| CN107376149A (en) * | 2017-08-31 | 2017-11-24 | 合肥康东福双信息科技有限公司 | A kind of skyscraper security protection survival capsule supplies oxygen control system |
| CN109598327A (en) * | 2018-12-21 | 2019-04-09 | 浙江口碑网络技术有限公司 | To the real-time perception method and device of shop number |
| CN110853200A (en) * | 2019-11-29 | 2020-02-28 | 河南职业技术学院 | Device for limiting number of people in closed occasions |
| CN110992397A (en) * | 2019-10-21 | 2020-04-10 | 浙江大华技术股份有限公司 | Personnel entrance and exit trajectory tracking method and system, computer equipment and storage medium |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743948A (en) * | 2013-10-29 | 2014-04-23 | 国家电网公司 | Implementation method capable of improving accuracy of per-capita energy consumption of building |
| CN103743948B (en) * | 2013-10-29 | 2016-06-01 | 国家电网公司 | A kind of implementation method that can improve building building energy consumption accuracy per capita |
| CN104978782A (en) * | 2014-04-11 | 2015-10-14 | 南京视察者信息技术有限公司 | Passenger-flow analytic method based on touch screen technology |
| CN105469485A (en) * | 2015-11-24 | 2016-04-06 | 清华大学苏州汽车研究院（吴江） | Bus guest flow statistical system based on photosensitive sensor array |
| CN105844234A (en) * | 2016-03-21 | 2016-08-10 | 商汤集团有限公司 | People counting method and device based on head shoulder detection |
| CN105844234B (en) * | 2016-03-21 | 2020-07-31 | 商汤集团有限公司 | Method and equipment for counting people based on head and shoulder detection |
| CN106568439A (en) * | 2016-04-08 | 2017-04-19 | 中国人民解放军理工大学 | Placing guiding method based on shoeprint recognition |
| CN106568439B (en) * | 2016-04-08 | 2022-03-18 | 中国人民解放军理工大学 | Location guiding method based on shoe print recognition |
| CN107376149A (en) * | 2017-08-31 | 2017-11-24 | 合肥康东福双信息科技有限公司 | A kind of skyscraper security protection survival capsule supplies oxygen control system |
| CN109598327A (en) * | 2018-12-21 | 2019-04-09 | 浙江口碑网络技术有限公司 | To the real-time perception method and device of shop number |
| CN110992397A (en) * | 2019-10-21 | 2020-04-10 | 浙江大华技术股份有限公司 | Personnel entrance and exit trajectory tracking method and system, computer equipment and storage medium |
| CN110853200A (en) * | 2019-11-29 | 2020-02-28 | 河南职业技术学院 | Device for limiting number of people in closed occasions |
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| CN103235932B (en) | 2016-06-08 |
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