Compression method and apparatus for seismic data

Details Compression method and apparatus for seismic data Compression method and apparatus for seismic data

G - Physics

01

V

G01V 1/22 (2006.01)

Patent

CA 2239128

Methods and apparatus for seismic data compression are described, making use of a local discrete sine/cosine transform of the type IV applied to a data set which is limited by a stationary window function which reduces the overlap to the adjoining windows.

L'invention porte sur des procédés et un appareil, permettant de réaliser une compression de données sismiques. Ces procédés font intervenir une transformée discrète sinus/cosinus au niveau local du type IV, appliquée à un ensemble de données qui est limité par une fonction fenêtre stationnaire réduisant le chevauchement sur les fenêtres contiguës.

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