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METHOD OF RECORDING IMAGES AND DATA FOR RETRIEVING THESE IMAGES

  • US 20110200265A1
  • Filed: 05/19/2009
  • Published: 08/18/2011
  • Est. Priority Date: 05/19/2008
  • Status: Active Grant
First Claim
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1. A method of recording images and data for retrieving said images, each of said images assuming the form of a two-dimensional array of rows and columns of pixels, wherein, to develop and record the retrieval data, the image is divided into blocks of pixels each block comprising pixels of at least two rows and two columns, retrieval data is calculated for each block from at least the image data contained in the pixels of that block and said retrieval data of the block is recorded in the form of at least one pixel having a value as a function of said retrieval data.

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