×

Encoder for volume data

  • US 20040208378A1
  • Filed: 09/25/2003
  • Published: 10/21/2004
  • Est. Priority Date: 09/26/2002
  • Status: Active Grant
First Claim
Patent Images

1. A volume data encoder for encoding volume data that are image data having a three-dimensional spatial pixel arrangement, the volume data encoder comprising:

  • a two-dimensional transform unit for conducting two-dimensional frequency decomposition on two-dimensional consecutive images;

    skip detection means for detecting the same data portion which can be skipped in the frequency decomposition and encoding processing, when further conducting one-dimensional frequency decomposition and subsequent encoding processing on transform coefficients obtained from the two-dimensional transform unit;

    a one-dimensional transform unit for conducting the one-dimensional frequency decomposition except the portion detected by the skip detection means which can be skipped; and

    an encoding processing unit for conducting encoding on data subjected to the frequency decomposition in the one-dimensional transform unit, except the portion which can be skipped.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×