| The Contrast Sensitivity
Function |
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| u | Our
sensitivity to |
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| contrast
depends on |
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| this
spatial frequency. |
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| l | Peak
sensitivity is 4-6 |
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| cycles/degree. |
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| l | The
highest spatial |
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| frequency
we can see at |
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| any
contrast is limited by |
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| our
acuity. |
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