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opencv-wasm

gapi_RGB2I420

gapifunctionOpenCV 5.0.0
import { gapi_RGB2I420 } from '@banou/opencv-wasm'

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

ARGUMENTSsrc
FUNCTIONgapi_RGB2I420
RETURN TYPEGMat
Call structure. A void return can still write to destination arguments. The parameter descriptions define inputs, outputs and ownership.

Converts an image from RGB color space to I420 color space.

The function converts an input image from RGB color space to I420. The conventional ranges for R, G, and B channel values are 0 to 255.

Output image must be 8-bit unsigned 1-channel image. CV_8UC1. Width of I420 output image must be the same as width of input image. Height of I420 output image must be equal 3/2 from height of input image.

Note: Function textual ID is "org.opencv.imgproc.colorconvert.rgb2i420"

See: I4202RGB

gapi_RGB2I420(src: GMat): GMat;
src

input image: 8-bit unsigned 3-channel image CV_8UC3.

Returns

The GMat result. Release returned native handles with using or delete(), including handles nested in results.

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.