1. A depth processing method for an electronic device, the depth processing method comprising: obtaining a color image and a depth map corresponding to the color image; extracting a plurality of regions from at least one of the depth map and the color image; obtaining region information of the regions, and classifying the regions into at least one of a region-of-interest and a non-region-of-interest according to the region information, wherein the region information comprises area information and edge information; and adjusting a plurality of depth values in the depth map according to the region information.