Signal processor determining approximate value of standard deviation

申请公布号：DE4404215(C1)

申请号：DE19944404215

申请日期：1994.02.10

申请公布日期：1995.05.24

申请人：

MB VIDEO GMBH, 31228 PEINE, DE

发明人：RAETH, DETLEF, 31249 HOHENHAMELN, DE;CHMIELEWSKI, INGO, DR., 38126 BRAUNSCHWEIG, DE

分类号：G06F17/18;G06T5/20;H04N5/21;(IPC1-7):H04N5/213;G06T5/00;H04N5/93

主分类号：G06F17/18

摘要：After summing the values of a number of pixels, an average value is generated and for each value an absolute value is determined for the difference between the value and a predetermined average. The difference values are then classified into two groups dependent upon the magnitude. The final step involves the sum of the weighted differences followed by division by a predetermined number.

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