CN104077753A - Automatic distance measuring and drawing system and method for traffic accidents - Google Patents
Automatic distance measuring and drawing system and method for traffic accidents Download PDFInfo
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- CN104077753A CN104077753A CN201410301592.0A CN201410301592A CN104077753A CN 104077753 A CN104077753 A CN 104077753A CN 201410301592 A CN201410301592 A CN 201410301592A CN 104077753 A CN104077753 A CN 104077753A
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Abstract
The invention provides an automatic distance measuring and drawing system and method for traffic accidents. The automatic distance measuring and drawing system for the traffic accidents comprises a mobile terminal, a portable printer and a server. The mobile terminal comprises a camera, a GPS module and an automatic drawing module connected with the camera. The portable printer is connected with the server through wireless signals, and the mobile server is connected with the server through wireless signals. Through the mode, the automatic distance measuring and drawing system and method for the traffic accidents can automatically measure distance and draw a scale drawing according to a digital image shot in a traffic accident scene, distance measuring and drawing do not need to be carried out manually, simplicity and convenience are achieved, processing is fast, and the actual need for fast prospecting and processing of the traffic accident scene at present can be met.
Description
Technical field
The present invention relates to a kind of automated drafting system, particularly automatic range drafting system and method for a kind of traffic hazard.
Background technology
Site survey of traffic accident is analyzed most important to traffic hazard qualification and reproduction.At present domestic and international most of site survey of traffic accident is taking classic methods such as micro-judgment, tape measuring, Man Graphics as main, and easily generation information is omitted and the problem such as misjudgment; On the other hand, along with the development of highway and the growth of the magnitude of traffic flow, traditional exploration method also exists the problem that the lower easy formation of work efficiency is blocked up.Therefore, traditional site survey of traffic accident method cannot effectively meet the actual needs of current scene of a traffic accident fast prospecting processing.
Therefore for the problems referred to above, be necessary to design a traffic hazard automatic range drafting system and method and make up above-mentioned defect.
Summary of the invention
The present invention proposes a kind of traffic hazard automatic range drafting system and method, has solved the problem that needs manual ranging to draw in prior art.
Technical scheme of the present invention is achieved in that provides a kind of traffic hazard automatic range drafting system, this traffic hazard comprises mobile terminal, portable printer and server with automatic range drafting system, mobile terminal comprises camera, GPS module and connects the automatic range graphics module of camera and GPS module, portable printer is connected with server, and mobile terminal is connected with server.
Further, mobile terminal is panel computer or mobile phone.
Further, traffic hazard further comprises power supply with automatic range drafting system, power supply connection server and portable printer, and be server and portable printer power supply.
Further, server is wireless printing server.
Further, portable printer is connected by wireless signal with server, and mobile terminal is connected by wireless signal with server.
The another kind of implementation of technical scheme of the present invention is: a kind of traffic police is provided the automatic range drawing practice with automatic range drafting system, and this automatic range drawing practice comprises: obtain scene photograph; Scene photograph is carried out to geometry correction process, reduction scene photo; Obtain site road data; Draw scene of the accident scale map according to scene photo and site road data; Print.
Further, automatic range drawing practice further comprises: typing site survey of traffic accident notes.
Further, automatic range drawing practice further comprises: scene of the accident scale map is sent to printer.
The step of further, scene photograph being carried out to how much correction process comprises: receive input picture and correction model; Determine the scope of output image; Ask the mapping relations of output image to fault image; Output pixel geometric position inverse; Output pixel gray-scale value calculates; Image after output is corrected.
Further, when scene photograph is carried out to geometry correction process, how much correction process are trapezoidal distortion correction process, comprising: a, reception input picture; B, input picture is done to image enhancement processing; C, carry out rim detection; D, carry out profile extraction; E, carry out distortion correction; F, export image after treatment.
By the way, traffic hazard of the present invention can realize automatic range by automatic range drafting system and method and draw, and does not need manually to find range and draws, simple and convenient, process fast, can meet the actual needs of current scene of a traffic accident fast prospecting processing.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the traffic hazard automatic range drafting system of the first embodiment of the present invention;
Fig. 2 is the structural representation of the mobile terminal in Fig. 1;
Fig. 3 is the process flow diagram of the traffic hazard automatic range drawing practice of the second embodiment of the present invention;
Fig. 4 is the concrete steps of the step S12 in Fig. 3;
Fig. 5 is the concrete steps of another embodiment of the step S12 in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Consult Fig. 1, Fig. 1 is the structural representation of the traffic hazard automatic range drafting system of the first embodiment of the present invention.In the present embodiment, traffic hazard comprises mobile terminal 10, server 20, portable printer 30 and power supply 40 with automatic range drafting system.
Consult Fig. 2, Fig. 2 is the structural representation of the mobile terminal in Fig. 1.In the present embodiment, mobile terminal 10 comprises camera 11, automatic mapping module 12 and GPS module 13.Camera 11 and GPS module 13 are all connected with automatic mapping module 12.Camera 11 is for floor image, and image scene is sent to automatic mapping module 12.Automatic mapping module 12 is carried out geometry correction process to scene photograph, reduction scene photo.GPS module 13 is used GPS (Global Positioning System, GPS) satnav obtains road data, can automatically locate and download site road map to the scene of the accident, and foregoing is sent to automatic mapping module 12.Automatic mapping module 12 is further drawn scene of the accident scale map according to road data and site road map.Wherein, mobile terminal 10 is mobile phone or panel computer, and is preferably ipad, operation ios system.Meanwhile, in order to add some special road and icons, the manual load module being connected with automatic mapping module 12 is preferably set in mobile terminal, can manually selects or draw special road and icon, and adding in the scale map of the scene of the accident.
Mobile terminal 10 passes through wireless signal connection server 20, and the automatic more drawn scene of the accident scale map of graphics module 12 is sent to server 20.Server 20 is wireless printing server, connects portable printer 30.Portable printer 30 is controlled by server 20, and scene of the accident scale map is printed.Power supply 40 connection servers 20 and portable printer 30, and power for server 20 and portable printer 30.In addition, power supply 40 also may further be mobile terminal 10 and powers, to prevent that the situation of power shortage from use appearring in mobile terminal 10.
By the way, the automatic range that can realize the scene of a traffic accident is drawn.
Consult Fig. 3, Fig. 3 is the process flow diagram of the traffic hazard automatic range drawing practice of the second embodiment of the present invention.In the present embodiment, traffic hazard comprises the following steps: with automatic range drawing practice
In step S11, obtain photo site.For example, with reference to the first embodiment, use the camera floor picture of mobile terminal.
In step S12, scene photograph is carried out to geometry correction process, reduction scene photo.In this step, also can, according to the scene photo of reduction, automatically record the distance between accident element, obtain scale map.
In step S13, obtain site road data.For example, with reference to the first embodiment, use with the GPS module of gps satellite positioning function and obtain.
In step S14, draw scene of the accident scale map according to scale map and site road data.
In step S15, typing site survey of traffic accident notes.
In step S16, scene of the accident scale map is sent to printer.
In step S17, by scene of the accident ratio as printed with site inspection notes.
Above-mentioned steps all can combine with the system of the first embodiment, and for example, step S15 can realize on the mobile terminal of the first embodiment 10.
Consult Fig. 4, Fig. 4 is the concrete steps of the step S12 in Fig. 3.Step S12 comprises following concrete steps:
In step S121, receive input picture and correction model.Wherein, correction model can be stored in advance or design.
In step S122, determine the scope of output image.
In step S123, ask the mapping relations of output image to fault image.
In step S124, output pixel geometric position inverse.
In step S125, output pixel gray-scale value calculates.Whole pixel gray-scale values that now, need to judge whether entire image have calculated complete all.If so, enter step S126; If not, return to step S124.
In step S126, the image after output is corrected.
Consult Fig. 5, Fig. 5 is the concrete steps of another embodiment of the step S12 in Fig. 3.In another embodiment, how much correction process are trapezoidal distortion correction process, the steps include:
In step S221, receive input picture.
In step S222, input picture is done to image enhancement processing.In this step, can carry out figure image intensifying by the mode of histogram equalization.
In step S223, carry out rim detection.In this step, can first pass through Sobel operator detected image edge, then noise is removed in corrosion expansion.
In step S224, carry out profile extraction.In this step, can carry out profile extraction by the mode of Radon conversion.
In step S225, carry out distortion correction.In this step, can first select input point and calculate corresponding output point, then proofread and correct according to tie point coordinate.
In step S226, export image after treatment.
In the present invention, trapezoidal distortion correction process is the best a kind of processing mode of effect in how much correction process, therefore preferably uses trapezoidal distortion correction process.
By the way, traffic hazard of the present invention can realize automatic range by automatic range drafting system and method and draw, and does not need manually to find range and draws, simple and convenient, process fast, can meet the actual needs of current scene of a traffic accident fast prospecting processing.
These are only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a traffic hazard automatic range drafting system, it is characterized in that, described traffic hazard comprises mobile terminal, portable printer and server with automatic range drafting system, described mobile terminal comprises camera, GPS module and connects described camera and the automatic mapping module of described GPS module, described portable printer is connected with described server, and described mobile terminal is connected with described server.
2. traffic hazard as claimed in claim 1 automatic range drafting system, is characterized in that, described mobile terminal is panel computer or mobile phone.
3. traffic hazard as claimed in claim 1 automatic range drafting system, it is characterized in that, described traffic hazard further comprises power supply with automatic range drafting system, described power supply connects described server and described portable printer, and is described server and the power supply of described portable printer.
4. traffic hazard as claimed in claim 1 automatic range drafting system, is characterized in that, described server is wireless printing server.
5. traffic hazard as claimed in claim 1 automatic range drafting system, is characterized in that, described portable printer is connected by wireless signal with described server, and described mobile terminal is connected by wireless signal with described server.
6. a traffic hazard automatic range drawing practice, is characterized in that, described automatic mapping method comprises:
Obtain scene photograph;
Described scene photograph is carried out to geometry correction process, reduction scene photo;
Obtain site road data;
Draw scene of the accident scale map according to described scene photo and described site road data;
Print.
7. traffic hazard as claimed in claim 6 automatic range drawing practice, is characterized in that, described automatic mapping method further comprises:
Typing site survey of traffic accident notes.
8. traffic hazard as claimed in claim 6 automatic range drawing practice, is characterized in that, described automatic range drawing practice further comprises:
Described scene of the accident scale map is sent to printer.
9. traffic hazard as claimed in claim 6 automatic range drawing practice, is characterized in that, the described step that described scene photograph is carried out to how much correction process comprises:
Receive input picture and correction model;
Determine the scope of output image;
Ask the mapping relations of output image to fault image;
Output pixel geometric position inverse;
Output pixel gray-scale value calculates;
Image after output is corrected.
10. traffic hazard as claimed in claim 6 automatic range drawing practice, is characterized in that, when described scene photograph is carried out to geometry correction process, described how much correction process are trapezoidal distortion correction process, comprising:
A, reception input picture;
B, input picture is done to image enhancement processing;
C, carry out rim detection;
D, carry out profile extraction;
E, carry out distortion correction;
F, export image after treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301592.0A CN104077753A (en) | 2014-06-26 | 2014-06-26 | Automatic distance measuring and drawing system and method for traffic accidents |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301592.0A CN104077753A (en) | 2014-06-26 | 2014-06-26 | Automatic distance measuring and drawing system and method for traffic accidents |
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| Publication Number | Publication Date |
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| CN104077753A true CN104077753A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410301592.0A Pending CN104077753A (en) | 2014-06-26 | 2014-06-26 | Automatic distance measuring and drawing system and method for traffic accidents |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371825A (en) * | 2015-12-04 | 2016-03-02 | 天津振国信息科技有限公司 | Mapping system for traffic accident scene |
| CN109740201A (en) * | 2018-12-17 | 2019-05-10 | 广州天越电子科技有限公司 | A method of automatically generating CAD diagram paper |
-
2014
- 2014-06-26 CN CN201410301592.0A patent/CN104077753A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371825A (en) * | 2015-12-04 | 2016-03-02 | 天津振国信息科技有限公司 | Mapping system for traffic accident scene |
| CN109740201A (en) * | 2018-12-17 | 2019-05-10 | 广州天越电子科技有限公司 | A method of automatically generating CAD diagram paper |
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Application publication date: 20141001 |