Medical image data compression employing image descriptive...

Details Medical image data compression employing image descriptive... Medical image data compression employing image descriptive...

2005-06-28

2005-06-28

Couso, Yon J. (Department: 2623)

Image analysis

Image compression or coding

Adaptive coding

C382S232000

Reexamination Certificate

active

06912317

ABSTRACT:
An image data compression technique is disclosed in which image data compression is based at least partially upon information encoded in a descriptive portion of an image data file. The descriptive portion may be a header appended to image data. In medical diagnostic applications the descriptive data may include DICOM compliant data specifying imaging modality, anatomy or other features viewable in the reconstructed images, image matrix size, and so forth. Based upon the descriptive data, the image data files are analyzed and optimal compression algorithms are identified and selected. The image data files are then compressed in accordance with the selected algorithms. The algorithms may include appropriate compression code tables, desired lengths of subregions into which the image data stream is divided for compression, predictor algorithms used to determine relative entropy levels within the image data, and so forth.

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