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The library interface is awfully abstract, because it strives to efficiently, and very accurately, support several pixel types. It also allows replacing some parts of the algorithm with different implementations (if you need higher accuracy or higher speed).

Structs

Configuration for the comparison
Abstract wrapper for images. See Dssim::create_image()
L*a*b*b, but using float units (values are 100× smaller than in usual integer representation)
Detailed comparison result
Result of comparison as f64

Traits

Convert image to L*a*b* planar
RGBA Premultiplied Linear-light Unit scale

Functions

Create new context for a comparison

Type Definitions

RGBA, but: premultiplied alpha, linear (using sRGB primaries, but not its gamma curve), f32 unit scale 0..1
RGB, but: linear (using sRGB primaries, but not its gamma curve), f32 unit scale 0..1