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Stereo Scan 440 - DCU

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Histogram Equalisation<br />

The histogram equalisation uses the contents of the image store to<br />

calculate a look up table to b"anSfonn the image to stretch the contrast of<br />

the image.<br />

LUT<br />

The image transformation is performed using the Output Lookup Tables,<br />

this allows the image to still be live.<br />

STORE<br />

The image transfonnation is perf~ by converting the contents of the<br />

image store so the image store has to be frozen.<br />

1.8. Gamma and Input LUT<br />

Introduction<br />

The Gamma and Input LUT licence provides control of the Input Look Up<br />

Tables.<br />

There is ODe LUT for each zone (e.g. each quadrant in quad screen mode), the<br />

LUT ttansforms the input signal according to the pattern loaded. The pattern may<br />

be transparent (no transformation), a gamma transformation or other pattern as<br />

defmed by the input LUT Window.<br />

<strong>Stereo</strong>scan <strong>440</strong> Operator Manual

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