CN104516968A - Geographical conditions field inspection method using automobile data recorder - Google Patents
Geographical conditions field inspection method using automobile data recorder Download PDFInfo
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- CN104516968A CN104516968A CN201410821780.6A CN201410821780A CN104516968A CN 104516968 A CN104516968 A CN 104516968A CN 201410821780 A CN201410821780 A CN 201410821780A CN 104516968 A CN104516968 A CN 104516968A
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- data
- drive recorder
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- national conditions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/7844—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using original textual content or text extracted from visual content or transcript of audio data
Abstract
The invention provides geographical conditions field inspection method using an automobile data recorder. The method comprises the steps of acquiring field video data through the automobile data recorder; acquiring screenshot of the video data to obtain the photo data; clipping the photo data to obtain the part with coordinate data only; reading the coordinate data; generating a sample file according to the photo data and the coordinate data; importing the sample file into an EPS to generate a track and a direction; then obtaining the .edb file corresponding to each photo; the video or photo recorded by the automobile data recorder can be permanently stored for conveniently inspecting at any time. According to the method, the inspecting area coverage range is wide, the photo is clear, the working efficiency is high, and manmade error judgment can be effectively prevented.
Description
Technical field
The present invention relates to geographical national conditions field operation and verify field, be specifically related to a kind of method that drive recorder is applied to the verification of geographical national conditions field operation.
Background technology
Geographical national conditions generaI investigation is the important means obtaining national conditions and strength information, is the comprehensive plinth work grasping natural resources, ecologic environment and mankind's activity basic condition.It is action very important in geographical national conditions census operations that field operation is verified, and is the key link ensureing geographical national conditions census data quality.Field operation verification type, border and attribute cannot carry out on-site inspection qualitatively to the ground mulching classification achievement and interior industry that gather geographical national conditions key element and decipher, carrying out the collection of remote sensing image sample data simultaneously, providing basis for finally forming geographical national conditions factor data, ground mulching grouped data achievement and remote sensing image interpretation Sample Storehouse.Field operation verifies the accuracy can checking interpretation, find that sentencing in interpretation process misses, instruct and revise interpretation data, and the remote Sensing Interpretation sample of representative type of ground objects can be set up, instruct automatic classification and manual interpretation, finally for the application of result stage judges that quality of data situation provides objective basis.
Because objective world is constantly changing, and remote sensing image cannot the objective world that vary of detailed description, therefore, the center of gravity of national conditions generaI investigation by interior industry Collect conversion to field operation verification, how more effectively solving field operation and verify problem, is the matter of utmost importance of pendulum in face of us.Remote sensing image should be national conditions generaI investigation important foundation data source, but due to odjective cause cause the Up-to-date state of remote sensing image difference and sharpness low, this brings larger burden just to interpretation in the industry and field operation verification, increases the production cycle of data.Traditional field operation pattern verification generally adopts rides battery truck or vehicle using motor, and handheld electronic flat board and drawing are verified, and the advantage of this mode verifies careful nothing to omit, and shortcoming is that efficiency is low, speed is slow.
Summary of the invention
A kind of method that an object of the present invention is to provide drive recorder to be applied to geographical national conditions field operation to be verified, use drive recorder to carry out field operation verification, verify area coverage high, operating efficiency is high, can prevent people from being misjudgment.
A kind of drive recorder provided by the invention is applied to the method that geographical national conditions field operation is verified, and comprises the steps:
Drive recorder is used to obtain field operation video data;
Sectional drawing is carried out to described video data and obtains picture data;
Cutting is carried out to described picture data, is only comprised the part of coordinate data;
Read coordinate data;
According to picture data and coordinate data, generate sample file.
Sample file is imported in EPS, generate track and Direction Line;
Obtain the .edb file that every width figure is corresponding.
Further, described drive recorder is with GPS module.
Further, on the camera lens of described drive recorder, black belt is pasted in the position corresponding with displaing coordinate on screen.
Further, described comparison film data carry out cutting, and the step only being comprised the part of coordinate data comprises BetterJPEG software comparison film data can be used to carry out cutting, is only comprised the part of coordinate data.
Further, the step of described reading coordinate data comprise can use Abbyy software read coordinate data.
Further, described sample file is imported in EPS, after the step generating track and Direction Line comprises and imports sample file, first perform drive recorder point and import .vbs script, perform drive recorder again and generate track and Direction Line .vbs script, generate track and Direction Line.
Beneficial effect of the present invention is, the video of drive recorder record or photo can persistences, conveniently verifies at any time; It is high that field operation check method provided by the invention verifies area coverage, and picture is clear, and operating efficiency is high, can effectively prevent artificial error in judgement.
Accompanying drawing explanation
Figure 1 shows that embodiment of the present invention method flow diagram.
Embodiment
Hereafter will describe the present invention in detail in conjunction with specific embodiments.It should be noted that the combination of technical characteristic or the technical characteristic described in following embodiment should not be considered to isolated, they can mutually be combined thus be reached better technique effect.
Figure 1 shows that embodiment of the present invention method flow diagram.
Be illustrated in figure 1 the method that a kind of drive recorder provided by the invention is applied to the verification of geographical national conditions field operation, comprise the steps:
Step S1: use drive recorder to obtain field operation video data.
The drive recorder model that the present invention uses is DOD LS330W, and with GPS module, can record coordinate and trace information, large aperture, image quality is clear, and photo not virtualization under high speed dither state, stability is high.
In order to reading coordinate data that can be complete from photo, the camera lens of drive recorder shows corresponding position with coordinate on screen and pastes black belt, so just can obtain coordinate data clearly.The time of drive recorder store video is preferably set to 30 minutes.Drive recorder is fixed in automobile, motorcycle or battery truck, and each one of left and right, can obtain the data on traffic route both sides so simultaneously.
Step S2: sectional drawing is carried out to described video data and obtains picture data.
Use Potplayer software to play capturing picture, arrange the time interval of an intercepting photo, the speed according to the car when obtaining data sets up an office the suitable time interval, ensures that photo has overlapping part.If the video data time, the shorter vide clip combiner that can first use merged video data, and then carried out sectional drawing to video data.
Step S3: carry out cutting to described picture data, is only comprised the part of coordinate data;
Use the part comprising coordinate data in BetterJPEG software comparison film to cut out, and preserve.
Step S4: read coordinate data.
Use Abbyy software, be set using language, only retain the numeral occurred in coordinate, letter, the symbols such as degree every minute and second, forbid other characters.The coordinate of reading is saved as txt document.
Step S5: according to picture data and coordinate data, generates sample file.
Utilize the txt document comprising coordinate data obtained in step S40 of picture and its correspondence intercepted in step S20, obtain sample file, sample file is .xlsx form.
Step S6: imported by sample file in EPS, generates track and Direction Line.
In the script manager of EPS software, add drive recorder point import .vbs and drive recorder and generate track and Direction Line .vbs two scripts.After importing sample file, first perform drive recorder point and import .vbs script, then perform drive recorder generation track and Direction Line .vbs script, generate track and Direction Line.
Step S7: obtain the .edb file that every width figure is corresponding.
The point data of first derived graph width, performs script according to the data derived and selects corresponding photo, then machine plotting in EPS, add image data, finally save as .edb file.Should be noted that the file at photo files place must be identical with the position that this .edb file stores, just can open the photo corresponding to each point.
The video of drive recorder record or photo can persistences, conveniently verify at any time; It is high that field operation check method provided by the invention verifies area coverage, and picture is clear, and operating efficiency is high, can effectively prevent artificial error in judgement.
Although give some embodiments of the present invention, it will be understood by those of skill in the art that without departing from the spirit of the invention herein, can change embodiment herein.Above-described embodiment is exemplary, should using embodiment herein as the restriction of interest field of the present invention.
Claims (7)
1. drive recorder is applied to the method that geographical national conditions field operation is verified, and it is characterized in that, comprises the steps:
Drive recorder is used to obtain field operation video data;
Sectional drawing is carried out to described video data and obtains picture data;
Cutting is carried out to described picture data, is only comprised the part of coordinate data;
Read coordinate data;
According to picture data and coordinate data, generate sample file;
Sample file is imported in EPS, generate track and Direction Line;
Obtain the .edb file that every width figure is corresponding.
2. a kind of drive recorder as claimed in claim 1 is applied to the method that geographical national conditions field operation is verified, and it is characterized in that, described drive recorder is with GPS module.
3. a kind of drive recorder as claimed in claim 1 is applied to the method that geographical national conditions field operation is verified, and it is characterized in that, black belt is pasted in position corresponding with displaing coordinate on screen on the camera lens of described drive recorder.
4. a kind of drive recorder as claimed in claim 1 is applied to the method that geographical national conditions field operation is verified, it is characterized in that, describedly step that sectional drawing obtains picture data is carried out to video data comprise and Potplayer software can be used to carry out sectional drawing to video data obtain picture data.
5. a kind of drive recorder as claimed in claim 1 is applied to the method that geographical national conditions field operation is verified, it is characterized in that, described comparison film data carry out cutting, the step only being comprised the part of coordinate data comprises BetterJPEG software comparison film data can be used to carry out cutting, is only comprised the part of coordinate data.
6. a kind of drive recorder as claimed in claim 1 is applied to the method that geographical national conditions field operation is verified, and it is characterized in that, the step of described reading coordinate data comprises can use Abbyy software reading coordinate data.
7. a kind of drive recorder as claimed in claim 1 is applied to the method that geographical national conditions field operation is verified, it is characterized in that, described imports in EPS by sample file, after the step generating track and Direction Line comprises and imports sample file, first perform drive recorder point and import .vbs script, perform drive recorder again and generate track and Direction Line .vbs script, generate track and Direction Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821780.6A CN104516968B (en) | 2014-12-25 | 2014-12-25 | A kind of automobile data recorder is applied to the method for geographical national conditions field operation verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821780.6A CN104516968B (en) | 2014-12-25 | 2014-12-25 | A kind of automobile data recorder is applied to the method for geographical national conditions field operation verification |
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| Publication Number | Publication Date |
|---|---|
| CN104516968A true CN104516968A (en) | 2015-04-15 |
| CN104516968B CN104516968B (en) | 2018-10-23 |
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| CN201410821780.6A Active CN104516968B (en) | 2014-12-25 | 2014-12-25 | A kind of automobile data recorder is applied to the method for geographical national conditions field operation verification |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5978804A (en) * | 1996-04-11 | 1999-11-02 | Dietzman; Gregg R. | Natural products information system |
| CN101510941A (en) * | 2008-02-14 | 2009-08-19 | 华晶科技股份有限公司 | Photographic device with image track record and method for generating image track record |
| CN102804905A (en) * | 2009-08-05 | 2012-11-28 | 惠普发展公司，有限责任合伙企业 | Displaying image data and geographic element data |
-
2014
- 2014-12-25 CN CN201410821780.6A patent/CN104516968B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5978804A (en) * | 1996-04-11 | 1999-11-02 | Dietzman; Gregg R. | Natural products information system |
| CN101510941A (en) * | 2008-02-14 | 2009-08-19 | 华晶科技股份有限公司 | Photographic device with image track record and method for generating image track record |
| CN102804905A (en) * | 2009-08-05 | 2012-11-28 | 惠普发展公司，有限责任合伙企业 | Displaying image data and geographic element data |
Non-Patent Citations (1)
| Title |
|---|
| 孔云峰: "地理视频数据模型及其应用开发研究", 《地理与地理信息科学》 * |
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| CN104516968B (en) | 2018-10-23 |
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