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  • Apparatus and methods for recompression of digital images
    Patent number: 9503738
    Abstract: A system and method for generating a second reduced size digital image from a first digital image, the method including iteratively compressing the first digital image to an extent determined by a quality measure comprising at least a blockiness measure quantifying added artifactual edges along coding block boundaries of the second image and/or use of a quantization matrix generated by computing a weighted average of the quantization matrix of the first digital image and a scaled second quantization matrix.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: November 22, 2016
    Assignee: BEAMR IMAGING LTD
    Inventors: Sharon Carmel, Dror Gill, Tamar Shoham