The image need not pretreatment and the accuracy of registration can reach as high a level as sub-pixel if you registrate image by mutual information method.

互信息的使用使得待配准图像不需要进行预处理，并且配准的精度可以达到亚像素级。

youdao

The image need not pretreatment and the accuracy of registration can reach as high a level as sub-pixel if you registrate image by mutual information method.

互信息的使用使得待配准图像不需要进行预处理，并且配准的精度可以达到亚像素级。

youdao