Photoshop Curve

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File Format
Name Photoshop Curve
Ontology
Extension(s) .acv, .crv
PRONOM fmt/667

Photoshop Curve is a Photoshop format that describes one or more mathematical functions most likely used as transfer functions, i.e. ways to adjust the brightness, contrast, etc. of an image.

It is distinct from Photoshop Transfer Function (ATF) format, though the formats appear to be used for roughly the same purposes.

Contents

Identification

A Curve file begins with bytes 00 01 or 00 04, and is usually under 100 bytes in size.

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Format description

Metaformat files

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