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Is that related to Google's lens blur that's now in most modern Android phones? http://googleresearch.blogspot.de/2014/04/lens-blur-in-new-google-camera-app.htm

• rdb 12y ago
  Google's approach requires multiple images to be captured of the same subject from different angles in order to triangulate depth - our SIFT flow based approach can achieve similar performance using only a single image. This makes it as simple as capturing a normal image to capture one with an editable depth of field.
  • jacquesm 12y ago
    I assume that only goes for those situations where you are reducing depth of field. As in, sharper backgrounds or foregrounds can become blurry but not the other way around.
    • rdb 12y ago
      We've only looked at reducing the depth of field as the narrow aperture on smartphone cameras leads to an extended depth of field (meaning that everything is usually in focus within the frame).