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OBJECTIVES 1. Define “point operation” 2. Overview of applications ...

OBJECTIVES 1. Define “point operation” 2. Overview of applications ...

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Linear Point Operation<br />

a affects contrast as well as<br />

brightness.<br />

E.g., a = <strong>1.</strong>14 = 255/224, b = 0<br />

Before After<br />

Q: What is effect <strong>of</strong> 0 < |a| < 1?<br />

Q: What is effect <strong>of</strong> a < 0?<br />

10

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