23-3 再構成型超解像技術の限界 : 静止画と映像の違い(第23部門画像・映像処理(1))

概要

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Super Resolution (SR) has recently become a common phrase in Japan. Commercial products such as TV sets, BluRay players and digital cameras are equipped with SR function and are sold in the market. Although there are several types of SR technologies for commercial products and their details are not open, some of them are not new technologies and are just modified conventional ones. However, according to official web pages of certain manufacturers of them seem to be all new technologies. One of the new SR technologies for them is the super resolution image reconstruction (SRR). Most of SR technologies have complex algorithms such as iterations under constraint conditions and precise motion vector detections. Although SRR also has a complex algorithm, it is the only SR technology for real time equipment. However, in principle there is a limit of resolution improvement with SRR even if it works perfectly. In this paper the limit of SRR is discussed.
2012-08-29