This class contains the shape of a single ROI. In the current implementation only rectangles and circles are supported.

This abstract class describes the ROI mask for a single subband. Each object of the class contains the mask for a particular subband and also has references to the masks of the children subbands of the subband corresponding to this mask.

This class describes the ROI mask for a single subband. Each object of the class contains the mask for a particular subband and also has references to the masks of the children subbands of the subband corresponding to this mask. This class describes subband masks for images containing only rectangular ROIS