Haechul Choi

TL;DR: In this paper, the authors proposed an apparatus and method for encoding and decoding using alternative transform units according to the correlation of residual signals, which includes a first transforming unit for performing discrete cosine transform (DCT), first quantization, first inverse quantization and inverse DCT on a block basis onto residual coefficients generated after intra frame prediction or inter frame prediction.

TL;DR: This work extended the conventional EGM to the generalized EGM (G-EGM), which is afford to handle even globally warped faces, by enhancing the robustness of node descriptors to a global warping, and introducing warping-compensated edges in graph matching cost function.

TL;DR: In this article, an encoding apparatus using Discrete Cosine Transform (DCT) scanning is described, 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 mean, a DCT and quantization mean for performing DCT/quantization onto residual coefficients of a block outputted from the intra prediction mean, and an entropy encoding for performing entropy encoding onto DCT coefficients acquired from the DCT by using a scanning mode decided based on pixel similarity of

TL;DR: In this article, the authors present methods to cope with the spatial resolution change of the video so as to efficiently watch the video in real-time, and a codec using the methods is provided.

TL;DR: In this article, the relay selects a transmission terminal from among a plurality of terminals accessing a base station, and transmits terminal data to the relay during a first time slot, and the transmission terminal transmits the data back to the base station during a second time slot.