Noise Reduction in Digital Radiography Using Wavelet Packet Based on Noise Characteristics
نویسندگان
چکیده
منابع مشابه
Accurate MTF measurement in digital radiography using noise response.
PURPOSE The authors describe a new technique to determine the system presampled modulation transfer function (MTF) in digital radiography using only the detector noise response. METHODS A cascaded-linear systems analysis was used to develop an exact relationship between the two-dimensional noise power spectrum (NPS) and the presampled MTF for a generalized detector system. This relationship w...
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ژورنال
عنوان ژورنال: Journal of Signal Processing
سال: 2004
ISSN: 1342-6230,1880-1013
DOI: 10.2299/jsp.8.485