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AbstractWe present a novel directionally adaptive image interpolation based on a multiple-direction wavelet transform, called directionlets. The algorithm uses directionlets to efficiently capture directional features and to extract edge information along different directions from the low-resolution image. Then, the high-resolution image is generated using this information to preserve sharpness of details. Our interpolation algorithm outperforms the state-of-the-art methods in terms of both numeric and visual quality of the interpolated image.
CitationVelisavljević, V. and Coquoz, R. (2008) 'Image interpolation with directionlets', IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2008), Las Vegas, NV, March 31-April 4 2008. Las Vegas: IEEE, pp.837-840
TypeConference papers, meetings and proceedings