The invention provides a medical image
data storing method. The method comprises the following steps of storing all the information of original images of a medical image file in an image
library file; adopting an SIFT (
Scale Invariant Feature Transform) to detect and describe local characteristics; adopting a K mean cluster to build a vocabulary; adopting
a weighting vector to express an image; building an sorting index file; accessing to offset of
single image data in the image
library file to realize random reading and search of the image data . According to a method for
processing the image data in a PACS (
picture archiving and communication system) on the basis of cloud calculation, the image storing efficiency and the search speed are increased.