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TW2802 Datasheet(PDF) 21 Page - Renesas Technology Corp

Part # TW2802
Description  Multiple Video Decoder for Security Applications
PDF  81 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

TW2802 Datasheet(HTML) 21 Page - Renesas Technology Corp

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TW2802, TW2804
FN7732 Rev.1.00
Page 21 of 81
May 19, 2017
Table 3 The recommended values of sensitivity parameters for a proper operation
TMPSENS
SPTSENS
LVLSENS
More Sensitive
Less Sensitive
0
0
7
~
10
1
3
~
9
2
2
~
8
3
2
~
7
1
0
3
~
9
1
2
~
8
2
2
~
7
3
2
~
6
2
0
3
~
8
1
2
~
7
2
1
~
6
3
1
~
5
3
0
3
~
7
1
1
~
6
2
1
~
5
3
1
~
4
Velocity Control
Motion has various velocities. That is, in a fast motion an object appears and disappears rapidly between
the adjacent fields while in a slow motion it is to the contrary. As the built-in motion detection algorithm uses
the luminance level difference between two adjacent fields, a slow motion is inferior in detection rate to a
fast motion. To compensate this weakness, the MDPERIOD parameter is used. MDPERIOD parameter
adjusts the field interval in which the luminance level is compared. Thus, for detection of a fast motion a
small value is needed and for a slow motion a large value is required. The parameter MDPERIOD value
should be greater than TMPSENS value.



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