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;SPMlt;H2;SPMgt;;SPMlt;A ID=;SPMquot;SECTION000112000000000000000;SPMquot;;SPMgt; Sharpening;SPMlt;/A;SPMgt; ;SPMlt;/H2;SPMgt; Sharpening, as smoothing, is done thru a convolution with the following matrix ;SPMlt;P;SPMgt;;SPMlt;!-- MATH

#math1#

#tex2html_wrap_indisplay32##tex2html_wrap_indisplay33##tex2html_wrap_indisplay34##tex2html_wrap_indisplay35#

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