NSIP Law
Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor
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.
Industry-Academia Cooperation Group of Sejong University Electronics and Telecommunications Research Institute Kwangwoon University Research Institute for Industry Cooperation
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Hae-Chul Kyung-Ae Dae-Young Jeong-Il Chang-Beom Dong-Gyu Yung-Lyul Dong-Kyun Jin-Woo Jin-Woong In-Seon Dae-Yeon Seung-Kwon Jae-Gon Seoung-Jun Se-Yoon
Choi Moon Jang Seo Ahn Sim Lee Kim Hong Kim Jang Kim Beack Kim Oh Jeong