dlt算法matlab代码-photogrammetry:该存储库保存了我有关摄影测量基本算法的实验

上传者: 38544075 | 上传时间: 2023-01-06 05:41:14 | 文件大小: 7.57MB | 文件类型: ZIP
dlt算法matlab代码摄影测量 该存储库保存了我有关摄影测量基本任务的实验 基本单应性数学 该代码包含对线和点的单应性表示形式的基本转换 全景图 在本实验中,我将一个对象的3张图片拼接为一张全景图片。该实验包括以下步骤 围绕共同的投影中心转动相机以拍摄3张输入照片,从而使3张图像没有视差 通过选择3个图像中的特征点(它们都在同一平面上)来执行对应分析。 这些特征点将用于估计从一个图像到另一个图像的单应性变换。 使用SVD估计单应性。 最后,将图像一校正到图像2的平面,然后将校正后的图像2-3再校正一次到图像3的平面。 相机校准 此实验是关于使用直接线性变换(DLT)进行的相机校准的,该校准使用3D-2D控制点之间的对应关系估算内部和外部相机参数。 实验包括以下几个阶段。 对应分析:使用Matlab工具手动选择图像上的2D控制点。 根据我们在校准对象上绘制的图案,以代码生成相应的3D控制点。 DLT算法至少需要6个点的对应关系。 然后使用SVD分解从对应点估计投影变换。 在最后阶段,使用RQ分解对估计的投影进行分解。 RQ分解的结果包括两个矩阵:一个代表内在参数的3x3矩阵和一个代表

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