A method, system and electronic device for efficient graphic processing and display of display data. The electronic device can be configured for processing source data corresponding to at least one digital image. The electronic device includes a processing portion which can be configured for receiving and processing source data in a manner so as to produce output signals associated with a portion of the at least one digital image. The portion of the at least one digital image can be associated with a region of interest. The output signals can be based upon for at least one of producing display data displayable as graphic image and salient based learning.