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FS450, FS451
PRELIMINARY PRODUCT DESCRIPTION
JUNE, 2000, VERSION 1.2
22
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© 1999, 2000 FOCUS ENHANCEMENTS, INC.
PRELIMINARY INFORM ATION
6.2.5 HDSC, HUSC – Horizontal Down/Up Scaling Coefficients
Horizontal Down Coefficient (8)
7
6
5
4
3
2
1
0
HDSC7
HDSC6
HDSC5
HDSC4
HDSC3
HDSC2
HDSC1
HDSC0
Horizontal Up Coefficient (9)
7
6
5
4
3
2
1
0
HUSC7
HUSC6
HUSC5
HUSC4
HUSC3
HUSC2
HUSC1
HUSC0
Reg
Bit#
Bit Name
Description
8
7-0
HDSC7-0
Horizontal down scaling coefficient bits [7:0]. Horizontal down
scaling factor = (1 + VSC/128). HDSC is a two's complement
number. If HDSC => 0, then the image is not effected.
9
7-0
HUSC7-0
Horizontal up scaling coefficient bits [7:0]. Horizontal up
scaling factor = (1 + VSC/128). HDSC is a two's complement
number. If HDSC <= 0, then the image is not effected.
HDSC Range: { [-63]:0 }
HUSC Range: { 0:127 }
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