不同视点海底图像拼接算法

对于深海水下摄影,由于相机平移和旋转,图像对应关系很难自动生成,因此需对应点映射来求解图像间的变换。本文通过摄像机自身所带仪器,测量摄像机焦点和任意物点所在位置,得出不同图像中相同物点所对应的像点。对于两幅图像的映射关系,原理上讲,一般输入三组对应点即可,但考虑到误差和相关性等因素,输入较多的对应点,对所求结果进行优化。将一幅图像映射到另一幅图像所在平面,对两幅图像进行平滑拼接。最后给出计算机实验结果。

Multi-perspective marine terrain image mosaic

For underwater photographs , image mosaic is hard to be built automatically due to the move and the rotation of the camera . So the alignment between two images is achieved by matching corresponding points .The position of the camera focus and a point on marine floor is located by using the equipments in the underwater vehicle .Then the points on the images can be induced . Points in one image are found to correspond with points in the other image. In principle three pairs of points are needed .But considering of error more points are inquired to op- timize the result. After transforming one image to the plane an- other image in , we aligning two images smoothly . The result of trial on computer is finally given.