Research of Two-media Underwater Reefs Depth Measurement Experiment Based on Low-altitude UAV

doi:10.11947/j.AGCS.2015.20140259

Acta Geodaetica et Cartographica Sinica ›› 2015, Vol. 44 ›› Issue (5): 548-554.doi: 10.11947/j.AGCS.2015.20140259

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Research of Two-media Underwater Reefs Depth Measurement Experiment Based on Low-altitude UAV

ZHOU Gaowei^1,2, LI Yingcheng^1,2, REN Yanxü^1,2, SHENG Lin³, YE Dongmei², FAN Fengyun², BAI Jie²

1. Chinese Academy of Surveying & Mapping, Beijing 100830, China;
2. China TopRS Technology Co.Ltd, Beijing 100039, China;
3. Henan Polytechnic University, Jiaozuo 454000, China

Received:2014-05-26 Revised:2014-11-14 Online:2015-05-20 Published:2015-05-27
Supported by:
The National Key Technology Research and Development Program of the Ministry of Science and Technology of China(No.2012BAB16B01);Chinese Academy of Surveying & Mapping Special Fund(No.7771506);The Key Laboratory for Aerial Remote Sensing Technology of NASG Funding Program

Abstract

Abstract: Based on the principle of two-media photogrammetry and with islands UAV images, a test of two-media photogrammetry is carried out. Firstly, there is an introduction of the principle of two-media photogrammetry. In the following step, the two-media photogrammetry requirements on the accuracy of the refractive index of sea water is discussed. Then, a new method for calculating the elevation correction coefficient is developed. The test procedure of two-media underwater reefs depth measurement based on low-altitude UAV images of underwater reefs surrounding the islands is designed. The test shows that aerial two-media photogrammetry is feasible in practical application, but relatively high requirements for aerial photography conditions.

Key words: two-media photogrammetry, low-altitude UAV, elevation correction coefficient, underwater reefs

CLC Number:

P234.2

ZHOU Gaowei, LI Yingcheng, REN Yanxü, SHENG Lin, YE Dongmei, FAN Fengyun, BAI Jie. Research of Two-media Underwater Reefs Depth Measurement Experiment Based on Low-altitude UAV[J]. Acta Geodaetica et Cartographica Sinica, 2015, 44(5): 548-554.

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Research of Two-media Underwater Reefs Depth Measurement Experiment Based on Low-altitude UAV

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