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MGR897

VIDEO DEPENDENT

CORING

LUMINANCE TRANSIENT

IMPROVEMENT

SMART PEAKING

COLOUR DEPENDENT

SHARPNESS

COLOUR

PROCESSING

SATURATION

CORRECTION

LUMINANCE

PROCESSING

OUTPUT

STAGE

COLOUR TRANSIENT

IMPROVEMENT

DELAY

CONTROL

YOUT

UOUT

VOUT

19

SOUT

21

CF

22

17

16

NOISE

MEASURING

FEATURE

MODE

DETECTION

INPUT

STAGE

YIN

UIN

VIN

6

n.c.

12

n.c.

13

8

9

WINDOW

GENERATION

SC

1

SUPPLY

VCC

VEE

20

15

18

SDA

14

ADR

7

SCL

11

ANALOG

TO

DIGITAL

CONVERTER

ADEXT1

ADEXT2

ADEXT3

3

n.c.

2

n.c.

23

n.c.

24

4

5

spectral processing

luminance vector processing

colour vector

processing

black stretch

histogram processing

gamma control

skin tone correction

green enhancement

blue stretch

Y

U, V

cue flash

DECDIG

CALIBRATE

TP

10

+

Fig.1 Block diagram.