Detail publikace

Improving Quality of Video Signals Encoded by 3D DCT Transform

FRÝZA, T.

Originální název

Improving Quality of Video Signals Encoded by 3D DCT Transform

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

angličtina

Originální abstrakt

This paper deals with the properties of a compression method based on the 3D DCT. During the video compression process with 3D DCT the image data are transformed into frequency domain and the cross-correlation between adjacent pixels and even between frames is being removed without any quality loss. By implementing the quantization and thresholding operations, the number of 3D DCT coefficients is reducing. The situation is even worse while a group of encoded frames contains several types of video sequences, i.e. the cut is presents. In decompressed sequence the disturbing cross-fade effect is perceptible. In the next text a method for removing this effect based on the 3D DCT coder modifications is described.

Klíčová slova

Compression, video signal, 3D DCT, cross-fade effect elimination, improving quality

Autoři

FRÝZA, T.

Rok RIV

2006

Vydáno

7. 6. 2006

Nakladatel

Croatian Society Electronics in Marine

Místo

Zadar (Croatia)

ISBN

953-7044-03-3

Kniha

Proceedings ELMAR-2006

Strany od

89

Strany do

93

Strany počet

5

URL

http://www.elmar-zadar.org/2006/

BibTex

@inproceedings{BUT18552,
  author="Tomáš {Frýza}",
  title="Improving Quality of Video Signals Encoded by 3D DCT Transform",
  booktitle="Proceedings ELMAR-2006",
  year="2006",
  pages="89--93",
  publisher="Croatian Society Electronics in Marine",
  address="Zadar (Croatia)",
  isbn="953-7044-03-3",
  url="http://www.elmar-zadar.org/2006/"
}