CN2740999Y - Video measuring instrument - Google Patents
Video measuring instrument Download PDFInfo
- Publication number
- CN2740999Y CN2740999Y CN 200420112647 CN200420112647U CN2740999Y CN 2740999 Y CN2740999 Y CN 2740999Y CN 200420112647 CN200420112647 CN 200420112647 CN 200420112647 U CN200420112647 U CN 200420112647U CN 2740999 Y CN2740999 Y CN 2740999Y
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- CN
- China
- Prior art keywords
- digital camera
- station
- total station
- electronic total
- gps
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- Expired - Fee Related
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a video measuring apparatus, which is integrated by an area array digital camera (5), an electronic measuring apparatus (3), a GPS (1), and a PDA (9). Thereby, the automatic, real-time and rapid measurement, calculation and storage of the space three-dimensional coordinate of a target area to be measured can be realized. The living stumpage in the forest resource can be observed by the video measuring apparatus, comprising the measurement of diameter breast height, the diameters of the trees of any height, the canopy structure, etc. The measurement of the alive stumpage can be precisely and quickly solved, and using the video measuring apparatus is the best method for dynamically monitoring the growing status of the forest.
Description
Technical field
The utility model is a kind of novel device that is used for three-dimensional close-range target information acquisition, be characterized in: integrate digital CCD area array cameras, GPS, electronic total station, can be quick, resolve and store the space three-dimensional coordinate of target area to be measured automatically, in real time.With this equipment is core, be equipped with digital picture three-dimensional information extraction and objective model and generate software, formation has the close-range target fast imaging three-dimension measuring system of location, accurate some position measurement, close-range target imaging, automatic or semi-automatic three-dimensional measurement, three-dimensional model generation jointly.Especially measure for stem analysis in the forest resource monitoring, comprise the diameter of a cross-section of a tree trunk 1.3 meters above the ground, any height of tree diameter, the height of tree, canopy structure etc.
Technical background
In urban ground measurement and all kinds of engineering survey, the general some acquisition mode (total powerstation, GPS receiver etc.) that adopts, though the characteristics that this mode has flexibly, precision is high, picking rate is slow, efficient is low, inconvenience generation three-dimensional model; Close-range photogrammetry has then overcome the shortcoming of single-point acquiring pattern, but needs at object space survey mark to be set, and resolves the elements of exterior orientation of camera station by object space control, and for can't contact target and danger can not measure.
In photogrammetric field, the photo of camera is used to the structure of resolving of space three-dimensional coordinate and various ground models already, but depend on the acquisition methods that resolves parameter (elements of interior orientation and elements of exterior orientation) is a problem always, particularly for close-range photogrammetry.On the other hand, appearing on the market of digital CCD area array cameras, and development of computer, make the target three-dimensional information extraction adopt the digital close range photogrammetry technology and method to become necessary, corresponding air coordinates resolves also to become and trends towards robotization, real time implementation, and the utility model provides a kind of concrete, practical method for this application.
In the tree surveying field, the measurement of standing tree is a problem that is difficult to solve always, traditional method is to adopt stem analysis to carry out, promptly cut down tree, round log is got in segmentation, the annual ring of respectively growing on the disk is measured, structure stem analysis curve, and then resolve the index (height of tree, the volume of timber, figurate number and increment) of each single tree; Pierce trunk with growth cone exactly in addition, get the brill bar of bark, measure the increment of each annual ring in the above to medulla.These methods all can not well be done well monitoring to the growing state of single tree, and error is bigger, and the utility model can solve this problem.
Summary of the invention
The purpose of this utility model provides a kind of video super-station instrument that integrates face battle array digital camera (5), electronic total station (3), GPS (1) and PDA (9), and it has overcome the deficiency that prior art exists.
The purpose of this utility model is achieved in that 1. video super-station instruments are integrated by face battle array digital camera (5), electronic total station (3), GPS (1) and PDA (9), it is characterized in that: the upper end of described electronic total station is provided with handle (2), the upside of handle is equipped with GPS (1) by bolt (4), the inboard of handle is provided with face battle array digital camera, and the bottom of described electronic total station is connected with PDA (9) with cable (10) by data transmission interface.2. described handle is a U type structure, face battle array digital camera is arranged on the inboard and the telescopical upside of electronic total station of handle, the primary optical axis direction of face battle array digital camera is parallel with the telescopical primary optical axis of electronic total station, face battle array digital camera cross the electronic total station transverse axis as the plane; Described gps antenna is arranged on the handle of electronic total station, and is coaxial with the vertical pivot of electronic total station.3. described battle array digital camera (1), electronic total station and GPS are dismantled and assembled, connect by bolt (4), (6) during use.4. video super-station instrument Survey Software is housed in the described PDA, carries out data acquisition control by Survey Software logarithmic code camera, GPS, electronic total station, and to the data of gathering store, analyze, processing, computing.
Because the utility model has adopted said structure, compare with prior art and to have the following advantages: utilize controller, storer, the processor of PDA as the video super-station instrument, help the effective integration of GPS, digital CCD area array cameras, total powerstation, and give full play to its function alone, realize automatically, in real time, measure fast, make that this instrument is more practical, application surface is wideer.Utilize the video super-station instrument to measure the diameter of a cross-section of a tree trunk 1.3 meters above the ground of sample tree, the diameter of trunk arbitrary height, tree crown volume and surface area have fast, accurately, characteristics such as make things convenient for.Arbitrary height diameter measurement precision can reach the millimeter level, volume of timber measuring accuracy can be better than 1%, and the precision of tree crown volume and surface area is determined by many factors such as accuracy of model, digital camera resolution, camera lens quality, focal length determination mainly, the results showed, precision can reach 5% requirement.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a theory diagram of the present utility model.
Among the figure: the 1.GPS antenna; 2. total powerstation handle; 3. total powerstation alidade; 4.GPS antenna coupling bolt; 5.CCD face battle array digital camera; 6. digital camera coupling bolt; 7. total powerstation shows supervisory keyboard; 8. pedestal; 9. palm PC PDA; 10. be communication cable.
Embodiment
(1) is gps antenna among the figure, is used for receiving satellite signal, location; (2) be the total powerstation handle, be used for fixing gps antenna; (3) be the total powerstation alidade, be used for run-home, find range, survey horizontal angle, vertical angle; (4) be the gps antenna coupling bolt, be used for fixing antenna; (5) be CCD face battle array digital camera, be used for zone to be measured photography; (6) be the digital camera coupling bolt, be used for fixing digital camera; (7), be used to control total station survey result and control total station survey for total powerstation shows supervisory keyboard; (8) being pedestal, is the carrying platform of video super-station instrument, and is connected with tripod by it, and regulates the instrument level by the pedestal adjustable screw on it; (9) be palm PC PDA, be used for the measurement of control of video super-station instrument, scanning photograph, reception data, deal with data, storage data etc.; (10) be communication cable, connect PDA and digital camera, GPS, each parts of total powerstation, make PDA can sending controling instruction with carry out data transmission.
The video super-station instrument is integrated by CCD (Charge-Coupled Device) face battle array digital camera (5), electronic total station (3), GPS (1) and PDA (9), wherein: the upper end of electronic total station is provided with handle (2), the upside of handle is equipped with GPS (1) by bolt (4), the inboard of handle is provided with face battle array digital camera, and the bottom of described electronic total station is connected with PDA (9) with cable (10) by data transmission interface.Handle is the inverted U structure, be arranged on the electronic total station upside, the inboard that face battle array digital camera is arranged on handle links to each other with electronic total station alidade upside by bolt, the primary optical axis direction of face battle array digital camera is parallel with the telescopical primary optical axis of electronic total station, face battle array digital camera cross the electronic total station transverse axis as the plane; Described gps antenna links to each other with handle by the gps antenna coupling bolt, and antenna is coaxial with the vertical pivot of electronic total station.Face battle array digital camera, electronic total station, GPS and PDA in the video super-station instrument are dismantled and assembled, connect each parts by bolt (4), (6) and communication cable (10) during use.Video super-station instrument Survey Software is housed in PDA, the video super-station instrument is carried out data acquisition control by Survey Software, and to the data of gathering analyze, computing, processing, storage.
In the video super-station instrument, the function of digital camera is to obtain the photographs of target area to be measured, enters PDA by data cable then; GPS is used to obtain survey station point three-dimensional coordinate, waits to clap each reference mark relevant parameter of zone with the place ahead that total powerstation obtains, and resolves each reference mark three-dimensional coordinate in PDA, for the digital camera shot digital images provides corresponding elements of interior orientation and elements of exterior orientation; In PDA, realize resolving in real time, automatically, fast the three-dimensional coordinate of target area.Super-station instrument digital close range photogrammetry mode of operation is provided with two stations to obtain stereogram, and for face battle array digital camera, the photo center is a center pixel.The principal point offset X
0, Y
0And lens focus f need obtain by detecting; Three corners of elements of exterior orientation are α+α
0, ω
0, κ+κ
0, wherein: α
0, ω
0, κ
0The constant that obtains when detecting by super-station instrument, α, κ are tried to achieve by the horizontal angle reading and the vertical angle calculating of total powerstation; Take the photograph the base length between the station and take the photograph the station discrepancy in elevation and join the total reflection prism measurement by total powerstation and obtain; Digital image is found the solution according to analytic space forward intersection principle the three-dimensional coordinate that carries out required position after semi-automatic three-dimensional coupling; Each diameter of the height of sample tree can directly be measured in stereoscopic model.
Claims (4)
1. video super-station instrument, include face battle array digital camera (5), electronic total station (3), GPS (1) and PDA (9), it is characterized in that: the upper end of described electronic total station is provided with handle (2), the upside of handle is equipped with GPS (1) by bolt (4), the inboard of handle is provided with face battle array digital camera, and the bottom of described electronic total station is connected with PDA (9) by communication cable (10).
2. video super-station instrument according to claim 1, it is characterized in that: described handle (2) is the inverted U structure, described battle array digital camera is arranged on the inboard of handle and the upside of electronic total station alidade, the primary optical axis direction of face battle array digital camera is parallel with the telescopical primary optical axis of electronic total station alidade, face battle array digital camera cross the electronic total station transverse axis as the plane; Described gps antenna is arranged on the handle of electronic total station, and is coaxial with the vertical pivot of electronic total station.
3. video super-station instrument according to claim 1 and 2 is characterized in that: described battle array digital camera, electronic total station, GPS and PDA are dismantled and assembled, connect by bolt (4), (6) and communication cable (10) during use.
4. video super-station instrument according to claim 1, it is characterized in that: video super-station instrument Survey Software is housed in the described PDA, by Survey Software described digital camera, GPS, electronic total station are carried out data acquisition control, and to the data of gathering store, analyze, processing, computing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420112647 CN2740999Y (en) | 2004-11-10 | 2004-11-10 | Video measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420112647 CN2740999Y (en) | 2004-11-10 | 2004-11-10 | Video measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2740999Y true CN2740999Y (en) | 2005-11-16 |
Family
ID=35351287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420112647 Expired - Fee Related CN2740999Y (en) | 2004-11-10 | 2004-11-10 | Video measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2740999Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809371A (en) * | 2011-06-01 | 2012-12-05 | 华东师范大学 | Method for obtaining three-dimensional information by using field depth of planar picture and application of method |
| CN103185556A (en) * | 2012-04-24 | 2013-07-03 | 北京林业大学 | Tree crown competition factor calculating and measuring method taking prism-free full-station instrument as tool |
| CN103591889A (en) * | 2013-11-11 | 2014-02-19 | 北京林业大学 | Stereoscopic image total station and calculating and measuring method thereof |
| CN105371827A (en) * | 2015-10-13 | 2016-03-02 | 同创智慧空间（北京）科技有限公司 | Full-functional GNSS stereo camera surveying instrument |
| CN111707241A (en) * | 2020-05-18 | 2020-09-25 | 广州南方卫星导航仪器有限公司 | Integral type tall and erect appearance of super standing of ann |
-
2004
- 2004-11-10 CN CN 200420112647 patent/CN2740999Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809371A (en) * | 2011-06-01 | 2012-12-05 | 华东师范大学 | Method for obtaining three-dimensional information by using field depth of planar picture and application of method |
| CN103185556A (en) * | 2012-04-24 | 2013-07-03 | 北京林业大学 | Tree crown competition factor calculating and measuring method taking prism-free full-station instrument as tool |
| CN103591889A (en) * | 2013-11-11 | 2014-02-19 | 北京林业大学 | Stereoscopic image total station and calculating and measuring method thereof |
| CN105371827A (en) * | 2015-10-13 | 2016-03-02 | 同创智慧空间（北京）科技有限公司 | Full-functional GNSS stereo camera surveying instrument |
| CN111707241A (en) * | 2020-05-18 | 2020-09-25 | 广州南方卫星导航仪器有限公司 | Integral type tall and erect appearance of super standing of ann |
| CN111707241B (en) * | 2020-05-18 | 2022-07-05 | 广州南方卫星导航仪器有限公司 | Integral type tall and erect appearance of super standing of ann |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |