Introduction Human Vision Light, Color, Eyes, etc.
Introduction Human Vision Light, Color, Eyes, etc.
Introduction Human Vision Light, Color, Eyes, etc.
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<strong>Introduction</strong> to<br />
Computer <strong>Vision</strong> Contrast vs. Intensity<br />
■ We care about surface reflectance,<br />
not light intensity. Why?<br />
■ Contrast is proportional to<br />
reflectance.<br />
Intensity is reflectance*illumination<br />
Local contrast is c = (I-Imean)/Imean