參數(shù)資料
型號： SDA9255
廠商： SIEMENS AG
英文描述： SRC-Scan Rate Converter SDA9255
中文描述： 鋼骨混凝土掃描頻率轉(zhuǎn)換器SDA9255
文件頁數(shù)： 19/45頁
文件大小： 225K
代理商： SDA9255
SDA 9255
Semiconductor Group
17
1998-02-01
2.5
Motion Adaptive Temporal Noise Reduction
Figure 3
Block Diagram of Noise Reduction
The diagram above shows a block diagram of the motion adaptive noise reduction. The
noise reduction in the luminance path has the same structure as the noise reduction in
the chrominance path. Subaddresses 02
H
and 03
H
(NRKF0, NRKF1, NRKF2, NRKF3,
see description of
I
2
C Bus
) are used to align the filter coefficients of the noise
reduction IIR filter. Four different k-factors NRKF0 ... 3 can be modified which are fed to
the multiplier of the IIR filter. Depending on the output of the motion detection for noise
reduction (MDFORNR) the corresponding k-factor NRKF0 ... 3 is used for the IIR filter
(
see the table below
).
U
LUT
Address
MDFORNR
NRKF0
NRKF1
NRKF2
NRKF3
+
*
-
YIN/UVIN
Field
Memory
-
+
+
k-factor
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