Method for measuring aircraft flight elevation based on video images |
Title： |
| Method for measuring aircraft flight elevation based on video images |
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Application Number： |
200410003450 |
Application Date： |
2004/03/15 |
Announcement Date： |
2005/09/21 |
Pub. Date： |
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Publication Number： |
1670479 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
G01C 11/04 |
Applicant(s)： |
Tsinghua University |
Inventor(s)： |
Xiong Shenshu, Zhou Zhaoying, Bao Guiqiu, Xiao Xiao |
Key Words： |
measuring method, aircraft, flight elevation, video images |
Abstract： |
This invention discloses one aviation altitude measurement method based on images, which comprises the following steps: a, setting one shooting device on the aviator, distributed to shoot the vertical earth images parallel to the aviator, wherein the device comprises one image forming lens; b, shooting the first image at first time when in aviation and shooting the second image at second time later; c, setting one earth reference points, wherein the first and second images comprise reference points; d, separately measuring the said reference points the positions of first and second images to compute its displacement; e, finally computing the aviation altitude. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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