Variance of signal-estimation error minimized. Mathematical technique extracts best estimates of signal component from periodic digital samples of signal plus noise. Technique combines Kalman- and smoothingfilter algorithms to minimize mean-square estimation error based on past, present, and predicted samples of signal plus noise. Technique useful in image analysis and other applications involving processing of noisy signals.
Digital Filter Separates Signal From Noise
NASA Tech Briefs ; 10 , 3
1986-05-01
Miscellaneous
No indication
English
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