Lecture #4

1/28/99


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Table of Contents

Lecture #4

Photometric Measurements

Relationship of Photometric Units

Photometric Units (English)

Photometric Units (SI)

Range of Luminances Encountered in Daily Life

The Human Eye

Rods and Cones

Threshold Curves

Distribution of Rods and Cones

Distribution of Rods and Cones (cont’d.)

Spatial Vision

Spatial Vision (cont’d.)

Threshold Contrast vs. Spatial Frequency

Effect of Viewing Distance

Threshold Contrast vs. Frequency

Temporal Vision

Author: Tsu-Jae King