Coding apparatus and method for orientation interpolator node

Details Coding apparatus and method for orientation interpolator node Coding apparatus and method for orientation interpolator node

H - Electricity

04

N

H04N 13/02 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01) H04N 7/50 (2006.01)

Patent

CA 2359260

An encoding apparatus and method for an orientation-interpolator node are provided. The encoding apparatus for an orientation interpolator node, which provides information on the rotation of an object in a 3-dimensional space, includes a field data input unit for extracting field data to be encoded at present from a key which indicates information on a position on a time axis where a change of a rotational movement on a time axis occurs and key values which indicate rotation information corresponding to the position information, by parsing the orientation interpolator node; an adaptive differential pulse code modulation (ADPCM) processing unit for converting the key value data into a quaternion, and then ADPCM processing the quaternion using a rotation differential converting matrix, and differential pulse code modulation (DPCM) processing the key data ; and a quantizing unit for quantizing the key data and key value data and outputting the quantized data.

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