Figure 13. Figure 14.

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Figure 13
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Transcript of Figure 13. Figure 14.

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Figure 13

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Figure 14

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Figure 15

100% Saturation

50% Saturation

25% Saturation

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Luminance Signal Y

H and V Sync Pulses

Modulated Chrominance

Color Burst

Composite

Video Signal

Figure 16a

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Gate

Figure 16b

Color Sub-carrier: In-phase component

Color Sub-carrier: Quadrature-phase component

Video signal

Color Burst

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Raw Luminance Signal

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Add Syn Pulses

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Add Chrominance

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Add Color Burst

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64s

250ns Line frequency = 1/ 64s = 15625Hz

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-0.33

1.33

Peak White 1.0 Black Level 0.0

Figure 17

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Figure 18

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308 309 313 314 315 316 317 318 319310 311 312

1 2 3 4 5 6 7

1 2 3 4 5 6 7621 622 623 624 625

Field 1

Field 2

Field 3

Start

Figure 19

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Basic principle: Chrominance = Ucost + V(cost+90o)

In Practice:

Gamma Correction

Weighted RGB-YUV Conversion

RGB R’G’B’ YUV

Figure 20