Michael Best & Friedrich LLP
Apparatus and method for encoding and decoding moving picture using adaptive scanning
Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.
Electronics and Telecommunications Research Institute
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inventional inventional inventional inventional
Jin-Woo Kyu-Heon Kyeong-Ok Wook-Joong Seoung-Jun Jeong-Il Yung-Lyul Dong-Gyu Jae-Ho Ki-Hun
Hong Kim Kang Kim Oh Seo Lee Sim Hur Han