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High-speed surface reconstruction of a flying bird using structured light
Birds fly effectively and maneuver nimbly by dynamically changing the shape of their wings during each wingbeat. These shape changes have yet to be quantified automatically at high temporal and spatial resolution. Therefore, we developed a custom 3D surface reconstruction method, which uses a high-speed camera to identify spatially encoded binary striped patterns that are projected on a flying bird. This non-invasive structured-light method allows automated 3D reconstruction of each stand-alone frame and can be extended to multiple views. We demonstrate this new technique by automatically reconstructing the dorsal surface of a parrotlet wing at 3200 fps during flapping flight. From this shape we analyze key parameters such as wing twist and angle of attack distribution. While our binary ‘single-shot’ algorithm is demonstrated by quantifying dynamic shape changes of a flying bird, it is generally applicable to moving animals, plants and deforming objects.Organismic and Evolutionary Biolog
ステレオ視方式三次元距離センサーLSIの高性能化に関する研究
九州工業大学博士学位論文 学位記番号:情工博甲第302号 学位授与年月日:平成27年3月25日第1章 序論|第2章 三次元センサーによる距離検知技術|第3章 三次元距離センサーLSIの高集積化|第4章 相関信号鮮明化機能搭載三次元距離センサーLSI|第5章 広ダイナミックレンジイメージセンサー搭載三次元距離センサーLSI|第6章 距離検知精度向上三次元距離センサーLSI|第7章 総括九州工業大学平成26年