Overlapping block discrete cosine transform coding and its fast algorithm

The discrete cosine transform (DCT) method is well known for a highly efficient coding for still images. A problem in this method is that the block distortion is observed in low‐rate coding. The overlapping block transform (OBT) has recently been proposed, aiming at the reduction of the block distor...

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Veröffentlicht in:	Electronics & communications in Japan. Part 1, Communications Communications, 1992, Vol.75 (4), p.59-73
Hauptverfasser:	Sawami, Hideo, Morikawa, Yoshitaka, Hamada, Hiroshi
Format:	Artikel
Sprache:	eng
Schlagworte:	discrete cosine transform fast algorithm Frequency analysis/synthesis image data compression lapped orthogonal transform overlapping block transform subband/transform coding transform coding
Online-Zugang:	Volltext
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