Contrast Sensitivity

Contrast Sensitivity

• DEFININITION: the minimum constast ratio that can be detected.
  • Indicates the smallest difference between shades of gray that can be detected.
• Depends on Spatial Frequency
  • DEFINITION: how many pairs of white and black bars fit into 1 deg. of visual angle.
  • Low spatial frequency
    few bars/deg.
  • High spatial frequency
    many bars/deg.

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