For : rjm Printed on : Tue , Jan 14 , 1997 08 : 14 : 50 Document : icip _ camera Last saved on : Wed , Aug 3 , 1994 10 : 56 : 09
نویسندگان
چکیده
A new progressive transmission scheme using spline biorthogonal wavelet bases is proposed in this paper. First, several wavelet bases are compared with the spline biorthogo-nal wavelet bases. By exploiting the properties of this set of wavelet bases, a fast algorithm involving only additions and subtractions is developed. Due to the multiresolutional nature of the wavelet transform, this scheme is compatible with hier-archical–structured rendering algorithms. The formula for reconstructing the functional values in a continuous volume space is given in a simple polynomial form. Lossless compression is possible, even when using floating–point numbers. When the algorithm is applied to data from a global ocean model , the lossless compression ratio is about 1.5:1. Even with a compression ratio of 50:1, the reconstructed data is still of good quality. Finally, the reconstructed data is rendered using various visualization algorithms and the results are demonstrated .
منابع مشابه
For : jrp Printed on : Tue , Oct 4 , 1994 12 : 11 : 57 Document : iee _ paper _ 10 Last saved on : Wed , Feb 9 , 1994 15 : 39 : 19
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تاریخ انتشار 1994