CN103955980B - Human body model feature based bus passenger flow statistic device and processing method - Google Patents

Abstract

The invention discloses a bus passenger flow statistics device based on the characteristics of a human body model, which comprises a passenger flow processor, a door state detection unit and a passenger flow sensor installed on the top of the bus door; Passengers passing through the door scan the cross-sectional profile to create three-dimensional three-dimensional data; the passenger flow processor includes a door state detection input unit, a human body characteristic signal input unit, a high-speed data processing unit, a data cache unit and a data communication interface for all connected The three-dimensional three-dimensional data of the passenger flow sensor is paired and calculated, compared with the human body model feature library, and the object signal conforming to the human body model feature is filtered, and combined with the door state information to generate real-time boarding or exiting the passenger door. The passenger flow data of getting off the bus; the statistical accuracy is high, and the statistical accuracy is not affected by factors such as ambient light, vehicle vibration, and day and night differences.

Description

A bus passenger flow statistics device and processing method based on human body model features

technical field

The invention relates to the technical field of passenger flow detection equipment, in particular to a bus passenger flow statistics device and processing method based on human body model features.

Background technique

For bus managers and owners, the use of a high-precision bus passenger flow statistics system can not only prevent the loss of fares, but also provide accurate and reliable data support for route planning, vehicle scheduling, and operation management.

The Chinese invention patent application with the patent application number 201310688386.5 describes a bus passenger flow statistics method based on passenger multi-movement behavior analysis, using video processing technology to generate passenger flow data by analyzing and processing the extracted passenger head targets; the patent application number is The Chinese invention patent application of 201310731307.4 describes a bus passenger flow statistics system based on infrared ranging sensors. In the process of counting passengers, infrared ranging sensors are used to generate passenger flow data through object reflection signal processing.

Among them, in the Chinese invention patent application with patent application number 201310688386.5, the video image is affected by many factors such as ambient light, illumination changes, vehicle vibration, lens curvature, camera imaging quality, and slow processing speed of the image processor, making its statistical accuracy, The repeatability accuracy cannot meet the requirements of high-precision use; in the Chinese invention patent application with the patent application number 201310731307.4, the infrared ranging sensor is used for the peak height judgment processing of the passing objects in the collection of passenger information, and it is impossible to distinguish people and filter the arm Action errors and other common passenger movements in reality can easily cause errors in passenger flow statistics and affect the accuracy of passenger flow statistics.

Contents of the invention

Aiming at the deficiencies in the prior art, the object of the present invention is to provide a statistical method that uses infrared technology to scan the cross-sectional profile of the target, create spatial three-dimensional data, realize the separation of people and objects by judging the characteristics of the human body, and track the motion trajectory , to solve the technical problem that the existing technology cannot distinguish between people and objects through plane or simple height detection, and the statistical accuracy is easily affected by passenger movements.

To achieve the above object, the present invention provides the following technical solutions: a bus passenger flow counting device based on human body model features, including a passenger flow processor, a door state detection unit and a plurality of passenger flow sensors installed on the top of the bus door; The passenger flow sensor includes two groups of array infrared light sources, a group of CCD detection units, three lenses, a filter mirror, a data processing unit and a signal output unit, which are used to pass through the passenger door and the passenger door of the bus. Passengers scan the cross-sectional profile to create three-dimensional three-dimensional data, the three lenses are the first lens, the second lens and the third lens; the passenger flow processor includes a door state detection input unit, a plurality of human body characteristic signal input unit, a high-speed data processing unit, a data cache unit and a data communication interface, which are used to perform pairing calculations on the three-dimensional and three-dimensional data of all connected passenger flow sensors, compare with the human body model feature library, and filter to match the human body model. The object signal of model characteristics, combined with the door state information, generates real-time passenger flow data of boarding or getting off at the passenger door and passenger door; the passenger flow processing provides a communication interface to provide passenger flow data support for third-party equipment.

The present invention is further configured as follows: the two sets of array infrared light sources of the passenger flow sensor include a first array infrared light source and a second array infrared light source, the first array infrared light source is composed of a plurality of square gallium arsenide chips arranged, and is composed of a high Purity fully transparent resin overall package, square gallium arsenide chip group spacing is less than 0.2mm, each square gallium arsenide chip can be separately applied with forward bias voltage with carrier to inject current into PN junction to excite infrared light; the second The array infrared light source is composed of a plurality of square gallium arsenide chips, which are packaged by high-purity transparent resin. The distance between the square gallium arsenide chips is less than 0.2mm. Forward bias injects current into the PN junction to excite infrared light; the first array of infrared light sources is fixed on the focal point of the first lens, and each square gallium arsenide chip excites infrared light and projects it through the lens at a distance of one meter from the first lens An elliptical light spot with a length of 15 cm in the Z-axis direction and 8 cm in the X-axis length is transmitted on the plane of the distance; the second array of infrared light sources is fixed on the focal point of the second lens, and each square gallium arsenide chip excites infrared The light is projected through the lens on a plane one meter away from the second lens to transmit an elliptical light spot with a length of 15 cm in the Z-axis direction and an 8 cm length in the X-axis; the CCD detection unit is fixed on the focal point of the third lens , A filter is set between the CCD detection unit and the third lens, the filter is used to filter more than 95% of the light with a wavelength less than 780nm, and allows the light with a wavelength greater than 780nm to pass through, reducing the interference of ambient light on the CCD detection unit. The three lenses can focus the light in the range of ±60 degrees of incident angle on the focal point.

The present invention is further set as: building three-dimensional coordinates of the space, the bus door includes the upper passenger door and the lower passenger door, which is defined as the X axis according to the direction of the vehicle body, i.e. the direction from the rear to the front of the vehicle; the direction from the ground to the roof is defined as Y-axis; according to the passenger direction, that is, the direction from the outside to the inside of the car is defined as the positive direction of the Z-axis; the direction of the passenger, that is, the direction from the inside to the outside of the car, is defined as the negative direction of the Z-axis, and the X-axis represents the data collected by the CCD detection unit The cross-sectional width of the object acquired by the infrared scanning at that time; the Y axis indicates the infrared reflected by the reflective surface with different heights at that time; the Z axis indicates the object movement trajectory collected by the CCD detection unit at that time.

The present invention is further set as: the first array of infrared light sources of the passenger flow sensor is controlled by the data processing unit, starting from the square gallium arsenide chip farthest from the CCD detection unit on the X-axis Excite infrared light; through the projection of the first lens, the infrared light excited by each gallium arsenide chip has different exit angles through the lens refraction, covering the 50cm width range centered on the passenger flow sensor; the passenger flow The second array of infrared light sources of the sensor is controlled by the data processing unit, and the infrared light is sequentially excited from the square gallium arsenide chip farthest from the CCD detection unit on the X-axis; through the second lens The infrared light excited by each gallium arsenide chip is refracted by the lens and has different exit angles, covering a 50cm wide range centered on the passenger flow sensor.

The present invention is further set as: the data processing unit of the passenger flow sensor predefines the imaging offset L and the imaging offset L and The calculation function of the relationship between the object distance Y, the data processing unit respectively controls the multiple gallium arsenide chips of the first array infrared light source and the second array infrared light source distributed on both sides of the X-axis of the CCD detection unit The excited infrared light scans different areas, and at the same time records the imaging offset of the infrared reflected by the surface of different objects received by the CCD detection unit, draws the spatial cross-sectional profile of the object through the calculation function of the position offset and the distance relationship between the object, and compiles The three-dimensional three-dimensional data is transmitted to the passenger flow processor for feature comparison of human body models.

The present invention is further set as follows: two sets of array infrared light sources are respectively arranged on both sides of the X-axis of the CCD detection unit, the purpose of which is to prevent the CCD detection unit from being unable to obtain more detection information due to the blocking of the infrared signals reflected by the planes of different heights of the target object .

The present invention is further set up to: build a human body model feature library, collect a large amount of information from the actual environment, digitally process and integrate it into a human body model feature library and implant it into the high-speed data processing unit of the passenger flow processor, and the passenger flow The processor integrates and matches the three-dimensional data of all the above-mentioned passenger flow sensors in different installation positions at different times in real time, compares the three-dimensional three-dimensional data after pairing processing with the human body model feature database, filters out data that does not conform to human body characteristics, and retains and compares The three-dimensional three-dimensional data of human body characteristics is used for continuous monitoring of the motion track. When the length of the motion track is greater than the set value, the positive direction means getting on the car, and the negative direction means getting off the car. When the track length is less than the set value, it is defined as an invalid motion track.

The advantage of the present invention is that compared with the prior art, the present invention can continuously analyze the complete movement trajectory of passengers getting on and off the bus, effectively filter Statistical errors caused by non-statistical objects such as passengers' personal objects and passenger's arms have high statistical accuracy, and the statistical accuracy is not affected by factors such as ambient light, vehicle vibration, and day and night differences.

The present invention will be further described below in conjunction with accompanying drawing and specific embodiment of description

Description of drawings

Fig. 1 is the working flow chart of the passenger flow sensor of the embodiment of the present invention;

Fig. 2 is a schematic diagram of scanning the outline of a target object according to an embodiment of the present invention;

Fig. 3 is a system structural block diagram of the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a passenger flow sensor system according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of detection of a moving track of a target object according to an embodiment of the present invention.

detailed description

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, and Fig. 5, a bus passenger flow counting device based on human body model features disclosed by the present invention includes a passenger flow processor, a door state detection unit and multiple The passenger flow sensor on the top of the car door; the passenger flow sensor includes two groups of array infrared light sources, a group of CCD detection units, three lenses, a filter mirror, a data processing unit and a signal output unit, used to collect the passenger flow of the bus The body feature information of passengers passing through the passenger door and the passenger door of the bus can be used to create three-dimensional three-dimensional data, which is used to scan the cross-sectional profile of passengers passing through the passenger door and the passenger door of the bus to create three-dimensional three-dimensional data. The three lenses are respectively the first A lens, a second lens and a third lens; the passenger flow processor includes a car door state detection input unit, a plurality of human body characteristic signal input units, a high-speed data processing unit, a data buffer unit and a data communication interface, used The three-dimensional three-dimensional data of all connected passenger flow sensors is paired and calculated, and combined with the door state information to generate real-time passenger flow data of boarding or getting off at the passenger door and the passenger door; the passenger flow processing provides A communication interface that provides passenger flow data support for third-party devices.

The two arrays of infrared light sources of the passenger flow sensor include a first array of infrared light sources and a second array of infrared light sources. The first array of infrared light sources is composed of a plurality of square gallium arsenide chips arranged and packaged as a whole by high-purity fully transparent resin , the distance between the square gallium arsenide chipset is less than 0.2mm, and each square gallium arsenide chip can be separately applied with a forward bias voltage with a carrier to inject current into the PN junction to excite infrared light; the second array of infrared light sources consists of multiple Composed of square gallium arsenide chip arrays, which are integrally packaged by high-purity fully transparent resin, the spacing between square gallium arsenide chips is less than 0.2mm, and each square gallium arsenide chip can be individually applied with forward bias with carrier to PN The junction injection current excites infrared light; the first array of infrared light sources is fixed on the focal point of the first lens, and each square gallium arsenide chip excites infrared light through the lens and is projected on a plane one meter away from the first lens and transmitted An elliptical spot with a length of 15 cm in the Z-axis direction and 8 cm in the X-axis length; the second array of infrared light sources is fixed on the focal point of the second lens, and each square gallium arsenide chip excites infrared light and projects it through the lens at a distance of An elliptical Z-axis direction length of 15 cm and an elliptical spot of X-axis length of 8 cm are transmitted on the plane of the second lens at a distance of one meter; the CCD detection unit is fixed on the focal point of the third lens, and the CCD detection unit and the first A filter is set between the three lenses. The filter is used to filter more than 95% of the light with a wavelength less than 780nm, and allows the light with a wavelength greater than 780nm to pass through, reducing the interference of ambient light on the CCD detection unit. The third lens can adjust the incident angle The light in the range of ±60 degrees is focused on the focal point.

A processing method for a bus passenger flow statistics device based on human body model features: constructing a three-dimensional space coordinate, the bus door includes the upper passenger door and the lower passenger door, and the X axis is defined according to the direction of the vehicle body, that is, the direction from the rear to the front of the vehicle; The direction from the ground to the roof of the car is defined as the Y axis; the direction of getting on the passenger, that is, the direction from the outside to the inside of the car, is defined as the positive direction of the Z axis; the direction of the passenger, that is, the direction from the inside to the outside of the car is defined as the negative direction of the Z axis. The X-axis represents the cross-sectional width of the object collected by the CCD detection unit at that time through infrared scanning; the Y-axis represents the infrared reflected by reflective surfaces of different heights at that time; the Z-axis represents the movement trajectory of the object at that time collected by the CCD detection unit.

The first array of infrared light sources of the passenger flow sensor is controlled by the data processing unit, and the infrared light is sequentially excited from the square gallium arsenide chip farthest from the CCD detection unit on the X-axis; through the The projection of the first lens, the infrared light excited by each gallium arsenide chip has different exit angles through the lens refraction, covering the 50cm width range centered on the passenger flow sensor; the second passenger flow sensor The array infrared light source is controlled by the data processing unit, and sequentially excites infrared light from the square gallium arsenide chip farthest from the CCD detection unit on the X axis; through the projection of the second lens, each arsenide The infrared light excited by the gallium chip is refracted by the lens and has different exit angles, covering a 50cm wide range centered on the passenger flow sensor.

The data processing unit of the passenger flow sensor pre-defines the calculation function of the relationship between the imaging offset L and the object distance Y of the infrared light excited by the gallium arsenide chip at each position reflected by the object on the CCD detection unit , the data processing unit respectively controls the infrared light excited by the plurality of gallium arsenide chips distributed on both sides of the X-axis of the CCD detection unit and the first array infrared light source and the second array infrared light source to carry out different regions Scan and record the infrared imaging offset of different object surfaces received by the CCD detection unit at the same time, draw the spatial cross-sectional profile of the object through the calculation function of the position offset and the object distance relationship, and compile it into three-dimensional data and transmit it to the institute The passenger flow processor is used to compare the characteristics of the human body model.

Referring to Fig. 1, the working process of the passenger flow sensor disclosed by the present invention, two sets of array infrared light sources include infrared light sources of 8 square gallium arsenide chips, and all infrared light sources use scanning mode to sequentially send infrared light with a carrier wave, and simultaneously collect each The infrared light of the carrier is reflected on the imaging position of the CCD detection unit by the target object, and the offset between the position and the reference position is calculated, and the distance between the object surface and the CCD detection unit is calculated by the principle of triangulation ranging, combined with the space of 8 scanning points The position information can obtain the three-dimensional three-dimensional data of the spatial outline of the detection target in the effective detection area of the passenger flow sensor; the time required to complete a scanning cycle is 3ms, that is, the three-dimensional three-dimensional data can be updated every 3ms, and the last three-dimensional data can be saved The continuous motion trajectory of the detection target in the effective detection area of the passenger flow sensor can be obtained.

Two arrays of infrared light sources are respectively arranged on both sides of the X-axis of the CCD detection unit, the purpose of which is to prevent the CCD detection unit from being unable to obtain more detection information due to the blocking of infrared signals reflected by different height planes of the target object.

Build a human body model feature library, collect a large amount of information from the actual environment, digitally process and integrate it into a human body model feature library and implant it into the high-speed data processing unit of the passenger flow processor, and the passenger flow processor performs real-time processing of all the The three-dimensional data of the passenger flow sensor at different times and different installation locations are integrated and paired, and the three-dimensional three-dimensional data after pairing processing are compared with the human body model feature database, and the data that does not conform to the human body characteristics are filtered and retained, and the three-dimensional three-dimensional data that conforms to the human body characteristics are moved. Continuous monitoring of the trajectory. When the length of the trajectory is greater than the set value, the positive direction means getting on the car, and the negative direction means getting off the car. When the trajectory length is less than the set value, it is defined as an invalid motion trajectory.

Referring to Fig. 2, the target object contour scanning principle disclosed in the present invention, the two sets of array infrared light sources of the passenger flow sensor are respectively arranged on both sides of the X-axis of the CCD detection unit, the purpose of which is to prevent the infrared signals reflected by the different height planes of the target object from being blocked As a result, the CCD detection unit cannot obtain more detection information; after this setting, when passengers enter the detection area of the passenger flow sensor, according to the L1 or L4 imaging offset of the CCD detection unit, the object surface of the scanning point and the CCD detection are calculated by the principle of triangulation distance measurement. The distance between the units, so as to obtain the distance Y2 between the shoulder of the passenger and the passenger flow sensor; according to the L2 or L3 imaging offset of the CCD detection unit, the distance between the object surface of the scanning point and the CCD detection unit is calculated by the principle of triangulation ranging, In order to obtain the distance Y1 between the head of the passenger and the passenger flow sensor; according to the L1 and L4 imaging offsets of the CCD detection unit, the width XT of the head of the passenger can be calculated through the principle of triangular distance measurement and the relationship of trigonometric functions, and the creation of a complete three-dimensional three-dimensional data.

According to the width of the car door, multiple passenger flow sensors are evenly distributed on the X-axis with a distance of 20cm, and the detection areas of two adjacent passenger flow sensors are overlapped; Passenger flow data can be generated by comparing the human body model features of the passenger flow processor; if passengers pass between the two passenger flow sensors, the two passenger flow sensors collect incomplete three-dimensional 3D data of the passengers, one left and one right, respectively. Through the pairing operation of the passenger flow processor, the incomplete three-dimensional three-dimensional data collected by the two passenger flow sensors, one left and one right, respectively, can be integrated into a complete three-dimensional three-dimensional data, and the passenger flow data can be generated by comparing the characteristics of the human body model.

Referring to Fig. 5 , according to the detection principle of the target object movement trajectory disclosed by the present invention, after the first array infrared light source and the first array infrared light source of the passenger flow sensor scan and project through the first lens and the second lens, they are equivalent on a plane with a distance of one meter. To project a square light spot with a length of 15cm on the Z axis and a length of 50cm on the X axis, passengers need to pass through the light spot in the direction of the Z axis when getting on and off the bus, and the travel distance is ZL; from the starting position of entering the light spot area to leaving At the end position of the spot area, the reflected light produces an imaging offset with a distance of LZ in the Z-axis direction of the CCD detection unit. By offsetting the direction of LZ, the passenger running direction and the direction of boarding or disembarking can be obtained.

The specific description of the present invention in the above-mentioned embodiments is only used to further illustrate the present invention, and can not be interpreted as limiting the protection scope of the present invention. Technical engineers in the field make some non-essential improvements and adjustments to the present invention according to the content of the above-mentioned invention. Into the protection scope of the present invention.

Claims (7)

1. a kind of bus passenger flow statistic device based on manikin feature it is characterised in that：Including a passenger flow processor, One vehicle door status detector unit and multiple passenger flow sensor being arranged on bus door top；Described passenger flow sensor includes Two group pattern infrared light supplies, one group of CCD detector unit, three lens, an optical filtering, a data processing unit and a letter Number output unit, the passenger for passing through to door objective on bus and get-off door carries out cross section profile scanning, creates stereoscopic three-dimensional Data, described three lens are respectively the first lens, the second lens and the 3rd lens；Described passenger flow processor includes a car Door state detection input block, multiple characteristics of human body's signal input unit, high-speed data processing unit, a data buffer storage Unit and a data communication interface, for matching to the stereoscopic three-dimensional data of the passenger flow sensor described in all connections Computing, is compared with manikin feature database, filters the object signal meeting manikin feature, and combines vehicle door status letter Breath produces goes up the passenger flow data that objective door and get-off door are got on the bus or got off in real time；Described passenger flow processor provides a data Communication interface, provides passenger flow data to support for third party device；Build 3 d space coordinate, bus door include objective door and Get-off door, is that the tailstock is defined as X-axis to headstock direction by vehicle body direction；It is that ground is defined as Y to roof direction by overall height direction Axle；It is to be defined as Z axis positive direction to in-car direction outside car by upper visitor direction, pressing objective direction is that the in-car direction to outside car is fixed Justice is Z axis negative direction, and X-axis represents the object section width that the infrared scan at that time that CCD detector unit is collected obtains, Y-axis Represent the infrared of differing heights reflective surface at that time, Z axis represent the object of which movement rail at that time that CCD detector unit is collected Mark, the first array infrared source is fixed in the first lens focus, and the second array infrared source is fixed on the second lens and hands over focus On, CCD detector unit is fixed in the 3rd lens focus；Data processing unit controls respectively and is distributed in CCD detector unit X-axis First array infrared source of both sides and the second array infrared source；It is provided with optical filtering between CCD detector unit and the 3rd lens Mirror.

2. a kind of bus passenger flow statistic device based on manikin feature according to claim 1 it is characterised in that： Two group pattern infrared light supplies of described passenger flow sensor include the first array infrared source and the second array infrared source, and described An array infrared light supply is rearranged by multiple square gallium arsenide chips, by high-purity all-transparent resin overall package, square arsenic Change gallium chipset and be smaller than 0.2mm, each square gallium arsenide chips can individually the additional forward bias with carrier wave be noted to PN junction Enter electric current and excite infrared light；Described second array infrared source is rearranged by multiple square gallium arsenide chips, complete by high-purity Transparent resin overall package, square gallium arsenide chips group is smaller than 0.2mm, and each square gallium arsenide chips can independent additional band The forward bias of carrier wave excites infrared light to PN junction Injection Current；It is burnt that the first described array infrared source is fixed on the first lens On point, it is saturating in the plane of distance one meter of distance of the first lens that each square gallium arsenide chips excites infrared light to pass through lens projects Project Z-direction length 15cm, the ellipse hot spot of X-axis length 8cm；The second described array infrared source is fixed on In two lens focus, each square gallium arsenide chips excites infrared light to pass through lens projects in distance one meter of distance of the second lens One Z-direction length 15cm, the ellipse hot spot of X-axis length 8cm are transmitted on plane；Described CCD detector unit is fixed On being fixed on the 3rd lens focus, between CCD detector unit and the 3rd lens, it is provided with optical filtering, optical filtering is used for filtering More than 95% wavelength is less than 780nm light, allows the light that wavelength is more than 780nm to pass through, and lowers ambient light and CCD is detected Unit interference effect, the 3rd lens can be by the light focusing of incident angle ± 60 degree scope in focus.

3. a kind of processing method of the bus passenger flow statistic device based on manikin feature as claimed in claim 1 or 2, It is characterized in that：Build 3 d space coordinate, bus door includes objective door and get-off door, is the tailstock to car by vehicle body direction Head direction is defined as X-axis；It is that ground is defined as Y-axis to roof direction by overall height direction；It is outside car, to arrive in-car by upper visitor direction Direction is defined as Z axis positive direction；Pressing objective direction is that the in-car direction to outside car is defined as Z axis negative direction, and X-axis represents that CCD examines Survey the object section width of the acquisition of infrared scan at that time that unit is collected；Y-axis represents differing heights reflective surface at that time Infrared；Z axis then represent the movement locus of object at that time that CCD detector unit is collected；Two group pattern infrared light supplies cloth respectively Put the both sides in CCD detector unit X-axis；Carry out zones of different scanning, the different objects table that record CCD detector unit receives simultaneously The infrared migration imagery amount of face reflection, draws out the sky of object by the operation function of position offset and object distance relation Between cross section profile, and be depicted as stereoscopic three-dimensional data and be transferred to described passenger flow processor carrying out manikin aspect ratio pair；Filter The wavelength that mirror is used for filtering more than 95% is less than 780nm light it is allowed to the light that wavelength is more than 780nm passes through.

4. the processing method of a kind of bus passenger flow statistic device based on manikin feature according to claim 3, It is characterized in that：The first described array infrared source of described passenger flow sensor is controlled by described data processing unit System, starts to excite successively infrared light from the square gallium arsenide chips farthest with CCD detector unit in X-axis；By described The projection of one lens, the infrared light that each gallium arsenide chips excites passes through the first lens refraction and has different shooting angles, covers 50cm width range centered on described passenger flow sensor；The second described array infrared light of described passenger flow sensor Source is controlled by described data processing unit, in X-axis from the square gallium arsenide chips farthest with CCD detector unit start according to Secondary excite infrared light；By the projection of the second described lens, the infrared light that each gallium arsenide chips excites passes through the second lens Refraction has different shooting angles, covers the 50cm width range centered on described passenger flow sensor；First array is infrared Light source passes through the hot spot scope of the first lens projects and the second array infrared source passes through the hot spot scope weight of the second lens projects Folded.

5. the processing method of a kind of bus passenger flow statistic device based on manikin feature according to claim 4, It is characterized in that：The described data processing unit of described passenger flow sensor has pre-defined the gallium arsenide chips of each position The infrared light exciting is reflected in migration imagery amount L of described CCD detector unit and the computing letter of object distance Y relation by object Number, described data processing unit controls the first described array infrared source being distributed in CCD detector unit X-axis both sides respectively The infrared light exciting with multiple gallium arsenide chips of the second described array infrared source carries out zones of different scanning, records simultaneously The infrared migration imagery amount of the different objects surface reflection that CCD detector unit receives, by position offset and object distance The operation function of relation draws out the aerial cross sectional profile of object, and is compiled into stereoscopic three-dimensional data and is transferred to described passenger flow and process Device carries out manikin aspect ratio pair.

6. the processing method of a kind of bus passenger flow statistic device based on manikin feature according to claim 5, It is characterized in that：Two group pattern infrared light supplies are arranged in the both sides of CCD detector unit X-axis, its object is to avoid due to The infrared signal of target object differing heights plane reflection is blocked and leads to CCD detector unit cannot obtain more detection informations.

7. the processing method of a kind of bus passenger flow statistic device based on manikin feature according to claim 6, It is characterized in that：Build manikin feature database, by the information gathering of a large amount of actual environments, through digitized processing and integrate In the described high-speed data processing unit of passenger flow processor of adult body aspect of model storehouse implantation, described passenger flow processor is real-time To all described passenger flow sensors not in the same time the three-dimensional data of different installation sites carry out integrating pairing, after pairing is processed Stereoscopic three-dimensional data compare with manikin feature database, filter and do not meet the data of characteristics of human body and retain and to meeting people The stereoscopic three-dimensional data of body characteristicses carries out the continuous monitoring of movement locus, after movement locus length is more than arranges value, positive direction table Show and get on the bus, negative direction represents gets off, when path length is less than arranges value, be then defined as invalid action movement locus.