D203 ステレオ撮影を用いた鳥の三次元軌跡計測システムの開発(風力普及,OS-2 自然エネルギー(3),一般講演,地球温暖化防止と動力エネルギー技術)

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  • D203 Development of 3-D Trajectory Measurement System for Birds using Stereoscopic Photography

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The present study aims at developing a 3-D trajectory measurement system for birds (in particular endangered species, e.g. raptorial) flying around wind turbines as a part of its complete system to be applied for prevention from bird strike. The method is based on stereoscopic photography which is similar to 3-D particle tracking velocimetry. For stabilizing the bird-image detection performance, time differential technique is proposed and examined considering the influences of hour and weather. All tests are conducted at Hokkaido University firm. For the demonstration purpose, 3-D trajectories of crows above the firm are obtained and shown in order to assess the effectiveness of stereoscopic photography.

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