Data reading/writing method and system in 3D image processing, storage medium and terminal

A data reading/writing method in 3D made processing, comprising the following steps:

• dividing a 3D image horizontally based on the vertical sliding technology, wherein the 3D image is divided into at least two subimages, a processing data of each subimage is stored in a circular buffer, after the subimage is processed, an overlapping portion data required by next subimage is retained in the circular buffer;
• and
• dividing a multi-layer network of an image processing algorithm into at least two segments, the data between adjacent layers in each segment only interact through buffer, not through DDR,
• wherein the size of the circular buffer occupied by each subimage is SubimageXsize·(SubimageYsize+OverlapSize)·SubimageZSize, wherein the SubimageXsize, SubimageYsize, SubimageZSize, and OverlapSize are respectively a size in X direction, Y direction, Z direction, and an overlapping size.