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opencv-wasm

decolor

Computational photographyfunctionOpenCV 5.0.0
import { decolor } from '@banou/opencv-wasm'

Use after await initOpenCV(). See the initialization and named imports guide.

ARGUMENTSsrc, grayscale, color_boost
FUNCTIONdecolor
RETURN TYPEvoid
Call structure. A void return can still write to destination arguments. The parameter descriptions define inputs, outputs and ownership.

photo_hdr

Transforms a color image to a grayscale image. It is a basic tool in digital printing, stylized black-and-white photograph rendering, and in many single channel image processing applications [CL12] .

decolor(src: Mat, grayscale: Mat, color_boost: Mat): void;
src

Input 8-bit 3-channel image.

grayscale

Output destination, filled by the native operation. Output 8-bit 1-channel image.

color_boost

Output destination, filled by the native operation. Output 8-bit 3-channel image.

This function is to be applied on color images.

Upstream declaration ↗

These signatures describe this package. Upstream documentation can mention optional backends that are absent from this build. Check runtime compatibility before choosing a backend or file format.