格雷斯也在空中进行拍摄，依靠“B-25轰炸机”、“湾流III和IV”及“李尔王35”这些有特殊光学仪器的追逐机，捕捉目标飞机外部的图像。
Gleis also photographs on air-to-air assignments, capturing exterior images of subject aircraft by using chase airplanes such B-25 Bombers, Gulfstream IIIs and IVs and Lear 35s with special optics.
在论述了几种方式的人体运动捕捉的基础上，介绍了光学运动捕捉的关键技术，包括摄像机标定、标记点跟踪和三维重建技术。
On the basis of discussion of human body motion capture, the key techniques of optical motion capture are introduced, including camera calibration, marker tracking and 3d reconstruction.
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