Jar­gon buster

NPhoto - - Niko Pedia -

CHROMI­NANCE AND LU­MI­NANCE

Chromi­nance (or colour) noise is es­pe­cially ugly, as it man­i­fests it­self as blotches of green and pur­ple pix­els. Lu­mi­nance noise is present in im­ages as greyscale specks.

HA­LOS

Ha­los are light or dark lines that can cling to the edge of sharp­ened de­tails. They are caused by the contrast change that sharp­en­ing pro­duces.

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