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[Author] Kazuhiro OKURA(1hit)

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  • Spectrum-Adaptive Band-Limiting Technique for 3-D Non-orthogonal Sampling

    Kazuhiro OKURA  Toshiyuki YOSHIDA  Yoshinori SAKAI  

     
    PAPER

      Vol:
    E79-A No:8
      Page(s):
    1202-1209

    This paper proposes a three-dimensional (3-D) band-limiting technique for a conversion of Simple Cubic Sampling into Body-Centered Cubic Sampling. Based on spectral distribution of the original signal, the proposed method adaptively varies the passband shape of a band-limiting filter in order to preserve informations of the original picture. By applying this method to 3-D moving pictures, we can preserve resolution on each axis without introducing heavy aliasing error and avoid degradation of picture quality such as ringing in still pictures or blurring in moving pictures. The examples given in this paper demonstrate these advantages.