Systems and methods for recursive 3D wavelet packet transforms
AssigneeSaudi Arabian Oil Company
InventorsJinsong Wang, Saleh A. Dossary
Life of this patent
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Abstract
In certain embodiments, a system includes a processor and a memory storing machine readable instructions executable by the processor, the machine readable instructions including a seismic image analysis tool having a wavelet packet transformer to generate sub-images of a received seismic image, a sub-image filter to perform noise suppression and edge detection on each sub-image, an inverse wavelet packet transformer to reconstruct higher level sub-images or seismic image from filtered sub-images, and a sub-image merger to recursively merge a sub-image and a reconstructed sub-image.
Claims15
A system comprising:
- a processor;
- and
- a memory storing machine readable instructions executable by the processor, the machine readable instructions comprising:
- a seismic image analysis tool comprising:
- a wavelet packet transformer to generate sub-images of a received, three-dimensional seismic image;
- a sub-image filter to perform noise suppression and edge detection on each sub-image;
- an inverse wavelet packet transformer to reconstruct higher level sub-images or seismic image from filtered sub-images;
- and
- a sub-image merger to recursively merge a sub-image and a reconstructed sub-image to generate a reconstructed and filtered three-dimensional seismic image.
A method comprising:
- performing a plurality of wavelet packet transforms on a three-dimensional seismic image and original sub-images;
- filtering a plurality of lowest-level sub-images;
- performing a plurality of inverse wavelet packet transforms on the plurality of lowest-level sub-images and subsequent reconstructed sub-images;
- merging the subsequent reconstructed sub-images with the original sub-images of a same wavelet packet transform level to recursively generate merged sub-images;
- and
- generating a reconstructed three-dimensional seismic image.
Dependencies are inferred from the claim text.