ENCODING VIDEO DATA USING REVERSIBLE INTEGER APPROXIMATIONS OF ORTHONORMAL TRANSFORMS

摘要

An apparatus and method for lossless encoding of video data is provided, including a reversible transform, connected to a plurality of inputs, having a same plurality of orthonormal outputs, wherein the reversible transform comprises rotations combined with internally cancelled scalings that are connected to said orthonormal outputs.

主权项

1. A method for lossless encoding of data, comprising:
receiving the data; and applying a reversible transform having orthonormal outputs to the received data, wherein the reversible transform combines rotations with internally cancelled scalings to achieve said orthonormal outputs.