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    Image interpolation with directionlets

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    Authors
    Velisavljević, Vladan
    Coquoz, Raphael
    Issue Date
    2008
    Subjects
    image processing
    interpolation
    wavelet transforms
    
    Metadata
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    Abstract
    We 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.
    Citation
    Velisavljević, 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
    Publisher
    IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
    URI
    http://hdl.handle.net/10547/292575
    DOI
    10.1109/ICASSP.2008.4517740
    Additional Links
    http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=4517740
    Type
    Conference papers, meetings and proceedings
    Language
    en
    ISBN
    9781424414840
    ae974a485f413a2113503eed53cd6c53
    10.1109/ICASSP.2008.4517740
    Scopus Count
    Collections
    Centre for Wireless Research (CWR)

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