ml87v2105 Oki Semiconductor, ml87v2105 Datasheet - Page 32
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ml87v2105
Manufacturer Part Number
ml87v2105
Description
Video Signal Noise Reduction Ic With A Built-in 5.6 Mbit Frame Memory
Manufacturer
Oki Semiconductor
Datasheet
1.ML87V2105.pdf
(103 pages)
- Current page: 32 of 103
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1.3.4 Motion Compensation
OKI Semiconductor
This IC performs the motion compensation described below in
It does this by creating the motion compensation flags YMA[3:0] and CMA[4:0] from the motion flags (YMT,
YMT3, YMT4, YMT5, and CMT) detected in Section 1.3.3, the motion compensation stop settings
YMOFF[3:0] (SUB:51h-bit[3:0]) and CMOFF[4:0](SUB:52h-bit[4:0]), and the luminance linked color
difference motion compensation setting CMY (SUB:52h-bit[7]).
This feature performs motion compensation for the detected noise using the motion compensation flag
YMA[3:0].
As the method of motion compensation , you can select the reduction mode (YNRM = 0) or the noise 0 mode
with YNRM(SUB:4Ah-bit[0]).
In the reduction mode, you can choose the normal reduction mode (YABN = 0) or the absolute noise reduction
mode (YABN = 1) in register YABN(SUB:4Ah-bit[2]).
YMA[0]
YMA[1]
YMA[2]
YMA[3]
CMA[0]
CMA[1]
CMA[2]
CMA[3]
CMA[4]
Luminance Signal Noise Motion Compensation
compensation flag
Motion
YNRM
X
Table F1-3-4 (2) Luminance Motion Compensation Modes
0
0
1
YMT&YMOFF[0]
YMT&YMOFF[1]
YMT&YMOFF[2]
YMT&YMOFF[3]
CMT&CMOFF[0]
YMT&CMOFF[1]&CMY
YMT3&CMOFF[2]&CMY
YMT4&CMOFF[3]&CMY
YMT5&CMOFF[4]&CMY
Table F1-3-4 (1) Motion Compensation Flags
YABN
X
X
0
1
Composite signal
Absolute noise reduction
Motion compensation
Normal reduction
Noise 0
mode
None
Luminance adjacent pixel level luminance
motion compensation
Luminance 3 continuous codes luminance
motion compensation
Luminance 4 continuous codes luminance
motion compensation
Luminance 5 continuous codes luminance
motion compensation
Color difference adjacent pixel level color
difference motion compensation
Luminance adjacent pixel level color difference
motion compensation
Luminance 3 continuous codes color difference
motion compensation
Luminance 4 continuous codes color difference
motion compensation
Luminance 5 continuous codes color difference
motion compensation
and
(Reduction coefficient)
(Reduction coefficient)
Detected noise as is
(Detected noise) x
(Detected noise) x
Noise 0 judgment
(NROFF)
Remarks
for the noise detected in Section 1.3.2
Remarks
PEDL87V2105-02
ML87V2105
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