Patent Document ID: 20170206642
Application ID: 15043280
Patent Status: 0

Claim One:
1. A method for generating an image from a plurality of images, each of the plurality of images having been captured at a different focus distance and having a unique index, the method comprising: registering each of the plurality of images relative to one another; generating, from each of the registered images, a high frequency frame, each high frequency frame being representative of the high frequency content of the corresponding image and having an index corresponding to the index of the respective image; determining, for each of a plurality of regions in each of the high frequency frames, whether or not the high frequency content in that region is valid; for each of the plurality of regions, determining the index of the high frequency frame having the greatest valid high frequency content among the plurality of high frequency frames; and generating a final image comprising, for each of the plurality of regions, the image data from the one of the plurality of images having the index corresponding to the index of the high frequency frame having the greatest valid high frequency content in that region.