High-performance wavelet compression for mammography: localization response operating characteristic evaluation.
作者： Maria Kallergi , Bradley J. Lucier , Claudia G. Berman , Marla R. Hersh , Jihai J. Kim
DOI: 10.1148/RADIOL.2381040896
关键词:
摘要: Purpose: To evaluate the accuracy of a visually lossless, image-adaptive, wavelet-based compression method for achievement high rates at mammography. Materials and Methods: The study was approved by institutional review board University South Florida as research with existing medical records exempt from individual patient consent requirements. Patient identifiers were obliterated all images. HIPAA compliant. An algorithm based on scale-specific quantization biorthogonal wavelet coefficients developed digitized mammograms spatial dynamic resolution. applied to 500 normal abnormal 278 patients who 32–85 years old, 85 whom had biopsy-proved cancer. Film images charge-coupled device–based digitizer. original compressed reconstructed evaluated in localization response operating characteristic experiment involving three...
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