stereocamb (a1)
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STEREOCAM consists of three pairs of stereo camera setups that aim to provide synchronized and stereo-calibrated time series of images that can be used for 3D cloud mask reconstruction. Each camera pair is positioned at approximately 120 degrees from the other pair, with a 17°-19° pitch angle from the ground, and at 5-6 km distance from the ARM Southern Great Plains observatory to cover the region from northeast, northwest, and southern views. Images from both cameras of the same stereo setup can be paired together to obtain 3D reconstruction by triangulation. 3D reconstructions from the ring of three stereo pairs can be combined together to generate a 3D mask from surrounding views. A pair of ARM cloud digital cameras is being used for mobile deployments.
立体相机数据集(STEREOCAM)由三组立体相机装置组成,旨在提供经过同步校准与立体标定的图像时间序列,可用于三维云掩码(cloud mask)重建。每组相机对与其余两组相机对的夹角约为120°,相机相对地面的俯仰角为17°至19°,部署位置距ARM大平原南部观测站5至6千米,以覆盖东北、西北及南向的观测视野。同一立体相机装置的两台相机所拍摄的图像可进行配对,通过三角测量法完成三维重建。由三组立体相机构成的环形布局所生成的三维重建结果可相互融合,从而基于环绕视野生成三维云掩码。目前已采用一对ARM云数码相机开展移动部署作业。



