Abstract
A new multirate DDWT (Double Density Wavelet Transform) matched filter ROI (region of interest) processor for the ICARUS (Imaging Cosmic And Rare Underground Signals) particle detector [Amerio(2004)] has been designed. The ROI extraction engine is based on matched and unmatched Wiener filtering using coupled DWT and DDWT processing. High through-put image-like ICARUS detector data (160MBps data rate per crate) is able to be compressed 600 times using multi-stage compression with ROI extraction. The 32-channel (160MBps data rate) processor has been fully implemented in a low cost FPGA device thanks to Fast Integer Arithmetic Wavelet Transform (FIAWT) [Pólchlopek(2006)] algorithm implementation.
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