CN105333863A - 3D footprint quantitative test and analysis system for police - Google Patents
3D footprint quantitative test and analysis system for police Download PDFInfo
- Publication number
- CN105333863A CN105333863A CN201510807500.0A CN201510807500A CN105333863A CN 105333863 A CN105333863 A CN 105333863A CN 201510807500 A CN201510807500 A CN 201510807500A CN 105333863 A CN105333863 A CN 105333863A
- Authority
- CN
- China
- Prior art keywords
- footprint
- point
- quantitative test
- police
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
Abstract
The invention relates to a 3D footprint quantitative test and analysis system for police. An electrical circuit part of the 3D footprint quantitative test and analysis system for the police mainly comprises a computer software module, a measuring controller, a stepping motor, a stepping motor driver, a high-definition camera, light boards, a laser measuring instrument, a touch screen, an auxiliary controller, a footprint specimen objective table motor and a switching power supply; a hardware mechanical part mainly comprises a base, a gantry support, X-axis and Y-axis linear guide rails and a footprint specimen objective table. The system can effectively complete collection, storage and analysis of a footprint detecting material; meanwhile, main devices of the whole system adopt an automation control system, safety and reliability are achieved, the operation is simple, convenient and easy to learn, all that is required is that an operator sits in front of a matched processing terminal computer and can complete work such as digitalized surveying and mapping, storage, analysis and the like on a whole specimen without specialized training, use threshold of the 3D footprint quantitative test and analysis system is greatly reduced, and the efficiency for evidence collection and analysis is improved.
Description
Technical field
The present invention relates to a kind of police tridimensional footprint quantitative test analytic system, judging that for assisting the police whether whether on-the-spot gypsum footprint similar to the gypsum footprint of suspect, belongs to police areas of information technology.
Background technology
In recent years, digitized processing mode is adopted to instead of the pattern of molding extraction and empirical inspection by hand always over 100 years, and tridimensional footprint quantitative test analytic system is a kind of a kind of device being applicable to carry out automatically measuring to human body stereo footprint vestige sample identification and scientific analyse process, on-the-spot important material evidence of avoiding that can be fully effective suffers a loss and destroys.
Tridimensional footprint quantitative test analytic system can efficiently, accurately, nondestructively extract the various features value of tridimensional footprint vestige, carry out the digital collection to on-site tridimensional footprint original size, original form and storage simultaneously, direct record also shows the three-dimensional data at each position of footprint, as footprint weight point position and the degree of depth, sole abrasion form and scope etc.; The footprint of the footprint vestige sample that technician can use tridimensional footprint quantitative test analytic system that scene is extracted and suspect carries out scanning analysis comparison, and gives expert result very soon and study and judge.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of tridimensional footprint quantitative test analytic system device is provided, effectively can completes the collection of footprint sample, storage and analyzing and processing; Simultaneously, the agent set of whole system adopts automation control system, safe and reliable, easy and simple to handle easy to learn, operating personnel only need be sitting in the work such as digital mapping, storage and analysis that just can complete whole sample before supporting processing terminal computing machine, without the need to professional training, greatly reduce the use threshold of tridimensional footprint quantitative test analytic system, improve the efficiency of forensics analysis.
In order to achieve the above object, the present invention proposes following technical scheme:
A kind of police tridimensional footprint quantitative test analytic system, described police tridimensional footprint quantitative test analytic system mainly comprises electric circuit part and hardware mechanical part, and wherein, described electric circuit part mainly comprises:
For the computer software module of control hardware equipment and collection analysis data;
The Mersure Controler of motor movement is handled for receiving computer control command;
For the stepper motor of mobile laser measuring apparatus;
For the stepper motor driver of Driving Stepping Motor;
Take pictures as algorithm provides the high-definition camera of image data for computer software module;
The light plate of light is provided when taking pictures for high-definition camera;
For measuring the laser measuring apparatus of the relative height of gypsum footprint;
For controlling the touch-screen of lamplight brightness and the discrepancy of footprint sample objective table;
For the subcontrol of the control command operating light tabula rasa and footprint sample objective table that receive touch-screen;
For the footprint sample stage motor that moving stage is come in and gone out;
For the Switching Power Supply of the power supply of complete machine;
Described hardware mechanical part mainly comprises:
For supporting base and the gantry support of the electromechanical equipment of whole instrument;
For the X of motor removing laser measuring apparatus, Y-axis straight-line ball lead screw guide rails;
For placing the footprint sample objective table of footprint gypsum.
Wherein, described computer software module controls the operation of whole hardware device, its flow process is: first, computer software module is carried out automatic control motor adjust laser measuring apparatus according to take pictures gained picture and the footprint coordinate-system of drawing tangent line gained of high-definition camera, Measurement accuracy key point data, realize data acquisition; Secondly, computer software module carries out the analyzing and processing of indices, stored in background data base to the data gathered; Finally carry out database comparison, the comparing result of tridimensional footprint is analyzed, judge the similarity of gypsum footprint, for police's conclusion provides foundation.
As preferably, described high-definition camera is sieve Logitech/ skill C920 high-definition camera, adopts H.264 video standard, the full HD video of 1080P; Described laser measuring apparatus adopts WenglorCP24MHT80 range laser head, working range 40-160mm; Measuring accuracy 0.1mm; Response time is less than 660us.
As preferably, the control chip of described Mersure Controler adopts STC89C52 enhancement mode 51 single-chip microcomputer, uses serial ports receiving computer USB RS 232 data, accurately controls motor accurate motion by algorithm; Described stepper motor driver be adopt be two-phase mixtures stepper motor driver TC8642, maximum output current reaches 4.2A, motor segmentation number can arrange from 400 to 12800; Two-phase 42 motor selected by described stepper motor, and coordinate slide unit screw mandrel to use, X, Y-axis slide unit screw mandrel stepping accuracy 4mm/ often turn, X-axis effective travel 25cm, Y-axis effective travel 50cm.
As preferably, described touch-screen is communicated with subcontrol by serial ports, thus controls the turnover action of footprint sample objective table and the switch of lamp plate and brightness; Described subcontrol adopts STC12C5A60S2 single-chip microcomputer as central control unit, and the state of opening the light being controlled metal-oxide-semiconductor by pwm signal regulates lamplight brightness.
As preferably, described laser measuring apparatus is fixed on gantry support, adopts and is inverted shifting axle structural design.
Further, described footprint sample objective table adopts accurate moving guide rail and Based Intelligent Control, realization automatically cut out or open.
Further, realize power supply on the touchscreen and open, stop, the turnover of footprint sample objective table controls, to unlatching quantity and the position of light plate, and the adjustment of illumination light filling intensity.
The operational scheme that the above police tridimensional footprint quantitative test analytic system is concrete is:
1) each com port and high-definition camera are configured
2) laser initial point calibration
After high-definition camera is working properly, check whether laser spots is positioned at the initial point of footprint sample stage coordinate system, if be positioned at initial point, directly next step is carried out after confirming, if not, first need input the unit length of motor removing, then use corresponding button calibration laser initial point, after confirmation, enter next step;
3) pulse pixel alignment
After confirming to start calibration, motor movement is to relevant position, and camera is taken pictures display, and zoomed image size, with red laser point on double mouse click image; Deng motor removing to after more lower, camera upgrades picture, double-clicks the red laser point again occurred in image, rear motor can automatically reply original position;
4) take pictures and cut out
After camera has been taken pictures, operating mouse left button selects footprint region, preserves;
5) levelling
Enter leveling function, click four points in picture after, laser measuring apparatus returns initial point after moving to relevant position measuring height, gathers the difference in level of gypsum footprint;
6) footprint center line is obtained
Pin left mouse button, on the left of footprint, drag straight line, adjustment linear position, ensures its accurate tangent position, after position is adjusted, double-clicks straight line, now upgrades the coordinate information of left side straight line; After the right tangent line in like manner obtains coordinate information, click and obtain footprint center line, first automatically generate footprint center; Then, click footprint heel and center line intersection point, determine and obtain heel point, after heel point obtains smoothly, automatically generate footprint coordinate line;
7) automatically measure
Carry out sole to measure and heel is measured, automatically measure 32 corresponding point coordinate, after measurement completes, revise indivedual abnormity point, first select corresponding abnormity point under artificial correction hurdle, then clicking this position for remeasuring, refreshing this point data, completing correction;
8) measurement pin length and width rise and stop over
Click tiptoe point with left mouse button, the left point of sole and the right point of sole, and confirm; Then pin left mouse button, in footprint, straight line is dragged at pin place, and adjustment linear position, double-clicks straight line, in like manner obtains line of stopping over, and finally confirms to rise and fall payment to a porter again;
9) write into Databasce
After pending data collection completes, this footprint data to data storehouse of typing, during typing, supplements on-the-spot or suspect's information;
10) database contrast
The comparing result of tridimensional footprint is analyzed, judges the similarity of gypsum footprint.
Advantage of the present invention and good effect:
The present invention proposes a kind of alert tridimensional footprint quantitative test analytic system, and adopt the combination of computer technology and embedded technology, stable and reliable for performance, highly effective is effective equipment of on-the-spot criming footmark analytical control; Can open at the power supply controlling touch-screen realizes instrument, stop, the turnover of sample worktable controls, area source is split and opens quantity and position, and the adjustment of illumination light filling intensity, this control module have sturdy and durable, reaction velocity fast, save space, be easy to many advantages such as interchange, thus this instrumentation is simple, convenient, very clear, achieves operation easily directly perceived.
Accompanying drawing explanation
Fig. 1 is electric circuit structure block diagram of the present invention;
The front view of Fig. 2 hardware plant equipment of the present invention and side view;
Fig. 3 is the process flow diagram of software processing module of the present invention;
Wherein, 1-base, 2-support, 3-laser measuring apparatus, 4-X, Y-axis straight-line ball lead screw guide rails, 5-footprint sample objective table, 6-light plate, 7-high-definition camera, 8-touch-screen, 9-Mersure Controler, 10-stepper motor driver, 11-stepper motor, 12-computer software module, 13-subcontrol, 14-footprint sample stage motor, 15-24V Switching Power Supply.
Embodiment
Below in conjunction with the embodiment of the present invention and accompanying drawing, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of police tridimensional footprint quantitative test analytic system, adopt the operation of the whole equipment of computer software control, software to be taken pictures the picture of gained and the footprint coordinate-system manually determined according to camera, computer controlled automatic motor, mobile laser measuring apparatus gathers the height value of key point, the full slope steepness value of footprint is calculated by algorithm, half way up the mountain steepness value, big toe steepness, heel steepness, play pin differential seat angle, to stop over differential seat angle, the indices such as the long and footprint of footprint is wide, then stored in background data base, judge for assisting the police whether the gypsum footprint of the gypsum footprint that crime scene gathers and suspect is same person, this system analyzes the phase knowledge and magnanimity of two gypsum footprints by software algorithm, for important evidence is made in police's conclusion.As the technical scheme of police tridimensional footprint quantitative test analytic system, mainly comprise electric circuit part and hardware mechanical part, wherein, described electric circuit part mainly comprises:
Computer software module 12, for control hardware equipment and collection analysis data;
Mersure Controler 9, the control command for receiving computer handles motor movement;
Stepper motor driver 10, for driving 42 two-phase stepping motors;
Stepper motor 11, for mobile laser measuring apparatus;
High-definition camera 7, takes pictures as algorithm provides image data for computer software module;
Laser measuring apparatus 3, for measuring the relative height of gypsum footprint;
Touch-screen 8, for lamplight brightness and the discrepancy of footprint sample objective table of control instrument;
Subcontrol 13, for receiving the control command of touch-screen 8 and operating light tabula rasa and footprint sample objective table;
Footprint sample stage motor 14, comes in and goes out for footprint sample objective table;
Light plate 6, provides suitable light when taking pictures for camera;
24V Switching Power Supply 15, for the power supply of complete machine.
As shown in Figure 1, described computer software module 12, use LabVIEW2014 software programming, be connected by USB with hardware, being taken pictures by high-definition camera 7 obtains after picture establishes surving coordinate system, software automatic control motor moves laser measuring apparatus, Measurement accuracy key point data, with stored in database.The high-definition camera 7 used is sieve Logitech/ skill C920 high-definition camera, adopts H.264 video standard, the full HD video of 1080P; Laser measuring apparatus 3 adopts WenglorCP24MHT80 range laser head, working range 40-160mm (range finding range 120mm); Measuring accuracy 0.1mm; Response time is less than 660us.Described Mersure Controler 9 control chip adopts STC89C52 enhancement mode 51 single-chip microcomputer, uses serial ports to receive computer USB RS 232 data, accurately controls motor accurate motion by algorithm; Described stepper motor driver 10 be adopt be two-phase mixtures stepper motor driver TC8642, maximum output current reaches 4.2A, motor segmentation number can arrange from 400 to 12800; Two-phase 42 motor selected by described stepper motor 11, and coordinate slide unit screw mandrel to use, X, Y-axis slide unit screw mandrel stepping accuracy 4mm/ often turn, X-axis effective travel 25cm, Y-axis effective travel 50cm.Described touch-screen 8 is communicated with subcontrol by serial ports, thus controls the turnover action of footprint sample objective table 5 and the switch of light plate 6 and brightness; Described subcontrol 13 adopts STC12C5A60S2 single-chip microcomputer as central control unit, the state of opening the light being controlled metal-oxide-semiconductor by pwm signal regulates light plate 6 brightness, the mobile of described laser measuring apparatus 3 adopts gantry support to fix and is inverted the realization of shifting axle structural design, compact conformation, reliable and stable, layout is desirable, makes sensor moving-member and territory, instrument workspace in spatial framework fully and rationally.
Computer software module 12 is connected with Mersure Controler 9, high-definition camera 7, laser measuring apparatus 3 by USB RS 232 module, Mersure Controler 9 drives with X, y-axis stepper motor and is connected, X, y-axis stepper motor driver 10 are connected respectively at respective stepper motor, touch-screen 8 is connected with subcontrol 13 by Serial Port Line, subcontrol 13 and automatically controlled footprint sample objective table 5, four light plates 6 are connected, 12V or 24V Switching Power Supply 15 is connected with each consumer by power lead.
The control core of Mersure Controler 9 is STC89C52 single-chip microcomputer, computer is connected with Mersure Controler 9 by USB RS 232 interface, after software establishes communication, by USB line transmission control command to Mersure Controler, then make the respective response controlling electric machine rotation.
The control core of subcontrol 13 is STC12C5A60S2 single-chip microcomputer, footprint sample stage motor is controlled by L298N, the brightness of lamp plate is controlled by MOS power tube, touch-screen is connected with subcontrol by RS232 interface, after software establishes communication, subcontrol 13 can receive the touch control operation of touch-screen, and touch-screen is mainly provided with the brightness regulating button of four lamp plates and the discrepancy button of footprint sample objective table.
Be illustrated in figure 2 front view and the side view of hardware plant equipment of the present invention, hardware physical construction comprises:
Base 1 and gantry structure suspension holdfast 2, for supporting the electromechanical equipment of whole instrument;
X, Y-axis straight-line ball lead screw guide rails 4, for motor removing laser measuring apparatus 3;
Footprint sample objective table 5, for placing footprint gypsum.
Now, start general supply, use touch-screen 8 control knob, the button that delivers from godown is touched after opening switch key, footprint sample objective table 5 skids off forward, footprint sample sample is positioned in the specified value surveyed area of the elongated scanning table on footprint sample stage mechanism, touches warehouse entry button and be back to setting scanning work position; Automatic measurement can be completed on computer software.
As shown in Figure 3, the operational scheme that described police tridimensional footprint quantitative test analytic system is concrete is:
1) each com port and high-definition camera 7 are configured;
2) laser initial point calibration
After high-definition camera 7 is working properly, check whether laser spots is positioned at the initial point of footprint sample objective table 5 coordinate system, if be positioned at initial point, directly next step is carried out after confirming, if not, first need input the unit length of motor removing, then use corresponding button calibration laser initial point, after confirmation, enter next step;
3) pulse pixel alignment
After confirming to start calibration, motor movement is to relevant position, and camera is taken pictures display, and zoomed image size, with red laser point on double mouse click image; Deng motor removing to after more lower, camera upgrades picture, double-clicks the red laser point again occurred in image, rear motor can automatically reply original position;
4) take pictures and cut out
After camera has been taken pictures, pin left mouse button and select footprint region, preserve;
5) levelling
After entering leveling function, click four points in picture after, laser measuring apparatus 3 returns initial point after moving to relevant position measuring height, gathers the difference in level of gypsum footprint;
6) footprint center line is obtained
Pin left mouse button, on the left of footprint, drag straight line, adjustment linear position, ensures its accurate tangent position, and after position is adjusted, double-click straight line, now right side can upgrade the coordinate information of left side straight line; After the right tangent line in like manner obtains coordinate information, click and obtain footprint center line, footprint center first can generate automatically; Then, click footprint heel and center line intersection point, obtain heel point, determine heel point, after heel point obtains smoothly, system can generate footprint coordinate line automatically;
7) automatically measure
Carry out sole to measure and heel is measured, automatically measure 32 corresponding point coordinate, after measurement completes, revise indivedual abnormity point, first click corresponding abnormity point under artificial correction hurdle, then click this position for remeasuring, refresh this point data, correction completes;
8) measurement pin length and width rise and stop over
Click tiptoe point with left mouse button, the left point of sole and the right point of sole, and confirm; Then pin left mouse button, in footprint, straight line is dragged at pin place, and adjustment linear position, double-clicks straight line, in like manner obtains line of stopping over, and finally confirms to rise and fall payment to a porter again;
9) write into Databasce
After pending data collection completes, this footprint data to data storehouse of typing, when typing, fills according to on-the-spot or suspect's information;
10) database contrast
The comparing result of tridimensional footprint is analyzed, judges the phase knowledge and magnanimity of gypsum footprint.Mainly for tridimensional footprint contrast work, comparing function chooses corresponding on-the-spot footprint and suspect, clicks contrast, can draw the comparing result of each tridimensional footprint.Query function, input corresponding conditions, just can find out the information satisfied condition.Delete function, chooses corresponding footprint information, clicks and deletes, just can delete corresponding information from database.
The invention provides a kind of tridimensional footprint quantitative test analytic system device, effectively can complete the collection of footprint sample, storage and analyzing and processing; Simultaneously, whole system, agent set adopt automation control system, safe and reliable, easy and simple to handle easy to learn, operating personnel only need be sitting in the work such as digital mapping, storage and analysis that just can complete whole sample before supporting processing terminal computing machine, without the need to professional training, greatly reduce the use threshold of tridimensional footprint quantitative test analytic system, improve the efficiency of forensics analysis.
Finally, above embodiment and accompanying drawing are only in order to illustrate technical scheme of the present invention and unrestricted, although by above-described embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (9)
1. a police tridimensional footprint quantitative test analytic system, is characterized in that, described police tridimensional footprint quantitative test analytic system mainly comprises electric circuit part and hardware mechanical part, and wherein, described electric circuit part mainly comprises:
For the computer software module of control hardware equipment and collection analysis data;
The Mersure Controler of motor movement is handled for receiving computer control command;
For the stepper motor of mobile laser measuring apparatus;
For the stepper motor driver of Driving Stepping Motor;
For providing the high-definition camera of image data for the algorithm of taking pictures of computer software module;
The light plate of light is provided when taking pictures for high-definition camera;
For measuring the laser measuring apparatus of the relative height of gypsum footprint;
For controlling the touch-screen of lamplight brightness and the discrepancy of footprint sample objective table;
For the subcontrol of the control command operating light tabula rasa and footprint sample objective table that receive touch-screen;
For the footprint sample stage motor that moving stage is come in and gone out;
For the Switching Power Supply of the power supply of complete machine;
Described hardware mechanical part mainly comprises:
For supporting base and the gantry support of the electromechanical equipment of whole instrument;
For the X of motor removing laser measuring apparatus, Y-axis straight-line ball lead screw guide rails;
For placing the footprint sample objective table of footprint gypsum.
2. one according to claim 1 police tridimensional footprint quantitative test analytic system, it is characterized in that: described computer software module controls the operation of whole hardware device, its flow process is: first, computer software module is carried out automatic control motor adjust laser measuring apparatus according to take pictures gained picture and the footprint coordinate-system of drawing tangent line gained of high-definition camera, Measurement accuracy key point data, realize automatic data collection; Secondly, computer software module carries out the analyzing and processing of indices, stored in background data base to the data gathered; Finally carry out database comparison, the comparing result of tridimensional footprint is analyzed, judge the phase knowledge and magnanimity of gypsum footprint, for police's conclusion provides foundation.
3. one according to claim 1 police tridimensional footprint quantitative test analytic system, is characterized in that: described high-definition camera is sieve Logitech/ skill C920 high-definition camera, adopts H.264 video standard, the full HD video of 1080P; Described laser measuring apparatus adopts WenglorCP24MHT80 range laser head, working range 40-160mm; Measuring accuracy 0.1mm; Response time is less than 660us.
4. one according to claim 1 police tridimensional footprint quantitative test analytic system, it is characterized in that: the control chip of described Mersure Controler adopts STC89C52 enhancement mode 51 single-chip microcomputer, use serial ports receiving computer USB RS 232 data, accurately control motor accurate motion by algorithm; Described stepper motor driver be adopt be two-phase mixtures stepper motor driver TC8642, maximum output current reaches 4.2A, motor segmentation number can arrange from 400 to 12800; Two-phase 42 motor selected by described stepper motor, and coordinate slide unit screw mandrel to use, X, Y-axis slide unit screw mandrel stepping accuracy 4mm/ often turn, X-axis effective travel 25cm, Y-axis effective travel 50cm.
5. one according to claim 1 police tridimensional footprint quantitative test analytic system, is characterized in that: described touch-screen is communicated with subcontrol by serial ports, thus controls the turnover action of footprint sample objective table and the switch of lamp plate and brightness; Described subcontrol adopts STC12C5A60S2 single-chip microcomputer as central control unit, and the state of opening the light being controlled metal-oxide-semiconductor by pwm signal regulates lamplight brightness.
6. one according to claim 1 police tridimensional footprint quantitative test analytic system, is characterized in that: described laser measuring apparatus is fixed on gantry support, adopts and is inverted shifting axle structural design.
7. one according to claim 1 alert tridimensional footprint quantitative test analytic system, is characterized in that: described footprint sample objective table adopts accurate moving guide rail and Based Intelligent Control, realization automatically cut out or open.
8. one according to claim 1 alert tridimensional footprint quantitative test analytic system, it is characterized in that: realize power supply on the touchscreen and open, stop, the turnover of footprint sample objective table, to unlatching quantity and the position of light plate, and the control of the adjustment of illumination light filling intensity.
9. one according to claim 2 police tridimensional footprint quantitative test analytic system, is characterized in that: the operational scheme that described police tridimensional footprint quantitative test analytic system is concrete is:
1) each com port and high-definition camera are configured
2) laser initial point calibration
After high-definition camera is working properly, check whether laser spots is positioned at the initial point of footprint sample stage coordinate system, if be positioned at initial point, directly next step is carried out after confirming, if not, first need input the unit length of motor removing, then use corresponding button calibration laser initial point, after confirmation, enter next step;
3) pulse pixel alignment
After confirming to start calibration, motor movement is to relevant position, and camera is taken pictures display, and zoomed image size, with red laser point on double mouse click image; Deng motor removing to after more lower, camera upgrades picture, double-clicks the red laser point again occurred in image, rear motor can automatically reply original position;
4) take pictures and cut out
After camera has been taken pictures, operating mouse left button selects footprint region, preserves;
5) levelling
Enter leveling function, click four points in picture after, laser measuring apparatus returns initial point after moving to relevant position measuring height, gathers the difference in level of gypsum footprint;
6) footprint center line is obtained
Pin left mouse button, on the left of footprint, drag straight line, adjustment linear position, ensures its accurate tangent position, after position is adjusted, double-clicks straight line, now upgrades the coordinate information of left side straight line; After the right tangent line in like manner obtains coordinate information, click and obtain footprint center line, first automatically generate footprint center; Then, click footprint heel and center line intersection point, determine and obtain heel point, after heel point obtains smoothly, automatically generate footprint coordinate line;
7) automatically measure
Carry out sole to measure and heel is measured, automatically measure 32 corresponding point coordinate, after measurement completes, revise indivedual abnormity point, first select corresponding abnormity point under artificial correction hurdle, then clicking this position for remeasuring, refreshing this point data, completing correction;
8) measurement pin length and width rise and stop over
Click tiptoe point with left mouse button, the left point of sole and the right point of sole, and confirm; Then pin left mouse button, in footprint, straight line is dragged at pin place, and adjustment linear position, double-clicks straight line, in like manner obtains line of stopping over, and finally confirms to rise and fall payment to a porter again;
9) write into Databasce
After pending data collection completes, this footprint data to data storehouse of typing, during typing, supplements on-the-spot or suspect's information;
10) database contrast
The comparing result of tridimensional footprint is analyzed, judges the similarity of gypsum footprint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807500.0A CN105333863A (en) | 2015-11-19 | 2015-11-19 | 3D footprint quantitative test and analysis system for police |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807500.0A CN105333863A (en) | 2015-11-19 | 2015-11-19 | 3D footprint quantitative test and analysis system for police |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105333863A true CN105333863A (en) | 2016-02-17 |
Family
ID=55284522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510807500.0A Pending CN105333863A (en) | 2015-11-19 | 2015-11-19 | 3D footprint quantitative test and analysis system for police |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105333863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913343A (en) * | 2017-03-24 | 2017-07-04 | 刘力 | A kind of tridimensional footprint extraction element |
| CN108694405A (en) * | 2017-04-08 | 2018-10-23 | 钟少童 | Body trace intelligent identifying system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20207634U1 (en) * | 2002-05-14 | 2002-08-22 | Inst Innovative Technologien T | Device for determining relevant dimensions for the representation of foot shapes of a person |
| CN203882346U (en) * | 2014-03-31 | 2014-10-15 | 蔡国元 | Criminal footprint image acquisition analyzer |
| CN204465744U (en) * | 2015-03-19 | 2015-07-08 | 昆明信诺莱伯科技有限公司 | A kind of tridimensional footprint automation Quick Acquisition instrument |
-
2015
- 2015-11-19 CN CN201510807500.0A patent/CN105333863A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20207634U1 (en) * | 2002-05-14 | 2002-08-22 | Inst Innovative Technologien T | Device for determining relevant dimensions for the representation of foot shapes of a person |
| CN203882346U (en) * | 2014-03-31 | 2014-10-15 | 蔡国元 | Criminal footprint image acquisition analyzer |
| CN204465744U (en) * | 2015-03-19 | 2015-07-08 | 昆明信诺莱伯科技有限公司 | A kind of tridimensional footprint automation Quick Acquisition instrument |
Non-Patent Citations (1)
| Title |
|---|
| PENG JIN ET AL: "Study of 3D Footprint Analysis Testing System", 《ATLANTIS PRESS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913343A (en) * | 2017-03-24 | 2017-07-04 | 刘力 | A kind of tridimensional footprint extraction element |
| CN106913343B (en) * | 2017-03-24 | 2019-07-05 | 刘力 | A kind of tridimensional footprint extraction element |
| CN108694405A (en) * | 2017-04-08 | 2018-10-23 | 钟少童 | Body trace intelligent identifying system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100512385C (en) | Industrial intelligent camera | |
| CN103712555B (en) | Automotive frame pilot hole vision on-line measurement system and method thereof | |
| US7394926B2 (en) | Magnified machine vision user interface | |
| EP1734477B1 (en) | Image Processing Apparatus | |
| JP4933785B2 (en) | Video tool control method for image inspection system | |
| CN101145201A (en) | Quick target identification and positioning system and method | |
| CN102692347A (en) | Camera automatic regulating image acquisition device and method for fatigue crack propagation test | |
| CN201839391U (en) | Embedded camera equipment for detecting product quality | |
| CN105300854A (en) | Fog drop parameter measurement device and fog drop parameter measurement analysis method using device | |
| CN105157607B (en) | Three-dimensional scanner and its scan method | |
| CN206160962U (en) | Three -dimensional spatial digitizer who builds pattern of plant's house | |
| CN105516688B (en) | Resolution-transforming type eagle eye-mimic visual imaging device and imaging method thereof | |
| CN105333863A (en) | 3D footprint quantitative test and analysis system for police | |
| CN104614803A (en) | ARM-based integrated polarization maintaining fiber axis positioning instrument | |
| CN100462672C (en) | Image measuring system and method | |
| CN203298744U (en) | Hand-held 3D scanner | |
| Yan et al. | Multi-line laser structured light fast visual positioning system with assist of TOF and CAD | |
| CN113124797A (en) | Hydraulic support group pose simulation system based on adjustable bottom plate | |
| CN201522265U (en) | VCM magnetic steel vision detecting system | |
| CN205945903U (en) | Touch screen terminal testing arrangement | |
| CN102798382B (en) | Embedded vision positioning system | |
| CN201107280Y (en) | Automatic X ray real time imaging testing apparatus | |
| CN107330938A (en) | A kind of visible detection method and its system for multiple measurands | |
| Lin et al. | A positioning model of a two CCD camera coordinate system with an alternate-four-matrix look-up table algorithm | |
| CN205138483U (en) | It is alert with three -dimensional footprint ration test analytic system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |
|
| RJ01 | Rejection of invention patent application after publication |