CN105222755A - A kind of ground photography base station arranging network plan - Google Patents
A kind of ground photography base station arranging network plan Download PDFInfo
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- CN105222755A CN105222755A CN201510601699.1A CN201510601699A CN105222755A CN 105222755 A CN105222755 A CN 105222755A CN 201510601699 A CN201510601699 A CN 201510601699A CN 105222755 A CN105222755 A CN 105222755A
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- photography
- district
- base sites
- standing
- max
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of ground photography base station arranging network plan.This invention determines according to map scale demand of surveying the topography the precision m that photographs
p, by photography accuracy computation photography depth of field Y
max, lay reciprocation type photography base sites in district to be measured, with kY
maxfor radius carries out all standing photography to district to be measured.
Description
One, technical field
The present invention relates to the scheme, particularly a kind of ground photography base station arranging network plan of a kind of ground photography erection base sites.
Two, technical background
Ground photography reference mark be photogrammetric in a key link, it is that photogrammetric image space coordinate system and ground control point coordinate system are carried out the important tie that contacts, is the important evidence of photogrammetric middle absolute orientation.The acquisition at image reference mark has two kinds of modes: the distribution of all field control and sparsely to layout, the distribution of all field control to be the photogrammetric Mapping Process photo control point recovered required for stereoscopic model be all field operation layouts measurement; And sparse layouting refers at a small amount of field operation picture control point of specific point arrangement, all the other most photo tie points utilize the method for aerotriangulation principle to be encrypted acquisition in indoor.Therefore, the work of terrestrial photogrammetry topomap be met, reduce field process amount, raise the efficiency, just need a kind of scheme rationally laying ground photography base sites efficiently.
Three, summary of the invention
For the topomap field operation surveying work amount overcoming classic method is large, speed is slow, the shortcomings such as coverage rate is little, improves the efficiency of terrestrial photogrammetry topomap and covers survey district comprehensively, the invention provides a kind of ground photography base station arranging network plan.
The object of the present invention is achieved like this:
The precision m that photographs is determined according to map scale demand of surveying the topography
p, by photography accuracy computation photography depth of field Y
max, with kY
maxfor radius is photographed, to survey, district carries out all standing photography, and concrete steps are as follows:
1) landform map scale is determined, according to landform map scale determination photogrammetric accuracy m
p, utilize digital-to-analogue 1.
calculate photography picture point the maximal field depth Y
max, wherein, a is camera pixel length, and f is camera focus;
2) the selected photography base sites in district to be measured, the photography radius of any base sites is R, and the spacing of adjacent photography base sites is 2R, wherein, R=kY
max, k is the constant coefficient between 0 to 1, generally gets 0.7;
3) photograph from initial observation station of arranging net, ensure each base sites is photographed all standing, order observation between adjacent photographic observation point, form serpentine photography measuring tape, adjacent photography measuring tape spacing is 2R, ensures the photography all standing of whole survey district.
This invention has the following advantages compared with the conventional method:
(1) decrease field process amount, improve the efficiency and rationality of arranging net photogrammetric base station;
(2) improve photogrammetric coverage rate, to survey, district has carried out all standing.
Four, accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is schematic diagram of the present invention.
Five, embodiment:
A kind of ground photography base station arranging network plan is different from existing method, and decrease field process amount, improve photogrammetric coverage rate, concrete implementation step is as follows:
1) landform map scale is determined, according to landform map scale determination photogrammetric accuracy m
p, utilize digital-to-analogue 1.
calculate photography picture point depth of field Y farthest
max, wherein, a is camera pixel length, and f is camera focus;
2) as shown in Figure 1, first, the selected photography base sites A in district to be measured, secondly, determine next photography base sites B according to a certain direction, the photography radius of two base sites is R, and the spacing of adjacent photography base sites is 2R, wherein, R=kY
max, k is the constant coefficient between 0 to 1, generally gets 0.7;
3) photograph from initial observation station of arranging net, ensure each base sites is photographed all standing, order observation between adjacent photographic observation point, form serpentine photography measuring tape, adjacent photography measuring tape spacing is 2R, ensures the photography all standing of whole survey district.
Claims (1)
1. a ground photography base station arranging network plan, is characterized in that: determine according to map scale demand of surveying the topography the precision m that photographs
p, by the maximum photography depth of field Ymax of photography accuracy computation, take kYmax as photography radius, to survey, district carries out all standing photography, and concrete steps are as follows:
1) landform map scale is determined, according to landform map scale determination photogrammetric accuracy m
p, utilize digital-to-analogue 1.
calculate photography picture point the maximal field depth Y
max, wherein, a is camera pixel length, and f is camera focus;
2) the selected photography base sites in district to be measured, the photography radius of any base sites is R, and the spacing of adjacent photography base sites is 2R, wherein, R=kY
max, k is the constant coefficient between 0 to 1, generally gets 0.7;
3) photograph from initial observation station of arranging net, ensure each base sites is photographed all standing, order observation between adjacent photographic observation point, form serpentine photography measuring tape, adjacent photography measuring tape spacing is 2R, ensures the photography all standing of whole survey district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510601699.1A CN105222755B (en) | 2015-09-18 | 2015-09-18 | A kind of ground photography base station cloth network method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510601699.1A CN105222755B (en) | 2015-09-18 | 2015-09-18 | A kind of ground photography base station cloth network method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105222755A true CN105222755A (en) | 2016-01-06 |
| CN105222755B CN105222755B (en) | 2018-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510601699.1A Active CN105222755B (en) | 2015-09-18 | 2015-09-18 | A kind of ground photography base station cloth network method |
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| CN (1) | CN105222755B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871287A (en) * | 2018-06-01 | 2018-11-23 | 广州中科云图智能科技有限公司 | A kind of band-like orthography airborne survey method of unmanned plane and system |
| CN108871288A (en) * | 2018-06-01 | 2018-11-23 | 广州中科云图智能科技有限公司 | A kind of band-like inclination image airborne survey method of unmanned plane and system |
Citations (4)
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|---|---|---|---|---|
| WO2003004969A1 (en) * | 2001-07-02 | 2003-01-16 | Telia Ab (Publ) | System and method for position marking/stamping of digital pictures in real time |
| CN102589529A (en) * | 2012-02-13 | 2012-07-18 | 武汉大学 | Scanning close-range photogrammetry method |
| CN104089577A (en) * | 2014-07-11 | 2014-10-08 | 北京林业大学 | Photo total station and forest mensuration method thereof |
| CN104596483A (en) * | 2015-01-30 | 2015-05-06 | 北京林业大学 | Layout scheme for terrestrial photogrammetric survey camera stations |
-
2015
- 2015-09-18 CN CN201510601699.1A patent/CN105222755B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003004969A1 (en) * | 2001-07-02 | 2003-01-16 | Telia Ab (Publ) | System and method for position marking/stamping of digital pictures in real time |
| CN102589529A (en) * | 2012-02-13 | 2012-07-18 | 武汉大学 | Scanning close-range photogrammetry method |
| CN104089577A (en) * | 2014-07-11 | 2014-10-08 | 北京林业大学 | Photo total station and forest mensuration method thereof |
| CN104596483A (en) * | 2015-01-30 | 2015-05-06 | 北京林业大学 | Layout scheme for terrestrial photogrammetric survey camera stations |
Non-Patent Citations (1)
| Title |
|---|
| 刘云伟: "全站仪在林业数字化工程上的应用", 《北京林业大学学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871287A (en) * | 2018-06-01 | 2018-11-23 | 广州中科云图智能科技有限公司 | A kind of band-like orthography airborne survey method of unmanned plane and system |
| CN108871288A (en) * | 2018-06-01 | 2018-11-23 | 广州中科云图智能科技有限公司 | A kind of band-like inclination image airborne survey method of unmanned plane and system |
| CN108871287B (en) * | 2018-06-01 | 2021-01-12 | 广州中科云图智能科技有限公司 | Unmanned aerial vehicle belt-shaped orthographic image aerial surveying method and system |
| CN108871288B (en) * | 2018-06-01 | 2021-01-12 | 广州中科云图智能科技有限公司 | Unmanned aerial vehicle belt-shaped oblique image aerial surveying method and system |
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| Publication number | Publication date |
|---|---|
| CN105222755B (en) | 2018-09-21 |
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