Interpolation for differential and hierarchical compression of multidimensional signals
Sergey Denisov, Mikhail V. Gashnikov · 2018
A comparative research of interpolation algorithms for hierarchical and differential methods of signal compression is performed. The hierarchical method of signal compression is based on hierarchical grid interpolation. The differential method of signal compression is based on differential pulse-code modulation (DPCM). Versions with maximum error control are used for both methods. Computational experiments are performed in natural test signals. The dependence of the compression ratio on the maximum error and on the standard error is given for both methods.