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METHOD AND DEVICE FOR ENCODING AN ORIENTATION VECTOR OF A CONNECTED COMPONENT, CORRESPONDING DECODING METHOD AND DEVICE AND STORAGE MEDIUM CARRYING SUCH ENCODED DATA

  • US 20140146043A1
  • Filed: 07/17/2012
  • Published: 05/29/2014
  • Est. Priority Date: 07/18/2011
  • Status: Abandoned Application
First Claim
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1. Method for encoding an orientation vector of a connected component, said vector having a pre-determined length and comprising three components, said method comprisingQuantizing and de-quantizing a first and a second component of the vector, and encoding the quantized first and second component and a bit signalling the sign of a third component of said vector,using the pre-determined length and the de-quantized first and second component for determining whether a calculated absolute of an approximation of the third component of said vector is smaller than a first threshold,and if the calculated absolute is smaller than the first threshold, determining, quantizing and encoding a residual between the calculated absolute of the third component and the absolute of the third component.

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