Registered
Method of encoding and decoding using adaptive scanning of DCT coefficients according to the pixel similarity, and apparatus thereof
- Inventors
-
이영렬, 심동규, 김동균, 김대연, 안창범, 오승준, Jeongil Seo, Beack Seung Kwon, Hong Jin Woo, Haechul Choi, Jang Inseon, Moon Kyung Ae, Kim Jae Gon, Jeong Se Yoon, Jang Dae Young, Jin Woong Kim, Sung-Chang Lim, Kim Hui Yong, Choi Jin Soo, Jinho Lee
- Application No.
-
13975251 (2013.08.23)
- Publication No.
-
20140037000 (2014.02.06)
- Registration No.
- 9225982 (2015.12.29)
- Country
- UNITED STATES
- Project Code
-
06MR1100, Development of Super-intelligent Multimedia Anytime-anywhere Realistic TV(SmarTV) Technology,
Chieteuk Ahn
- Abstract
- The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
- KSP Keywords
- An encoding, DCT coefficients, Discrete cosine, Discrete cosine Transform, Encoding and decoding, Intra-prediction, Mode Selection, Residual coefficients, Scanning mode, adaptive scanning, cosine transform, pixel similarity
- Family
-