Patent Number: 6,310,962

Title: MPEG2 moving picture encoding/decoding system

Abstract: An MPEG2 moving picture and encoding/decoding system to provide digitalcopy protection of digital moving picture data. The MPEG2 moving pictureencoder discrete cosine transforms a video input signal and uses a digitalwatermark inserter to embed digital watermark information on a frequencydomain of the discrete cosine transformed video input signal. The MPEG2moving picture decoder receives the encoded video output signal from theMPEG2 moving picture encoder and removes the embedded visual watermarkinformation to locally decode the encoded video signal.

Inventors: Chung; Tae-yun (Kwachun, KR), Oh; Young-nam (Sungman, KR)


International Classification:

Expiration Date: 10/32013