Cross-Dissolving

• Blend images with “over” operator

  • alpha of bottom image is 1.0
  • alpha of top image varies from 0.0 to 1.0

blend(i,j) = (1-t) src(i,j) + t dst(i,j) (0 ? t ? 1)

t = 0.0

t = 1.0

t = 0.5

src

dst

blend

t

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