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opencv-wasm

img_hash_blockMeanHash

img_hashfunctionOpenCV 5.0.0
import { img_hash_blockMeanHash } from '@banou/opencv-wasm'

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

ARGUMENTSinputArr, outputArr, mode
FUNCTIONimg_hash_blockMeanHash
RETURN TYPEvoid
Call structure. A void return can still write to destination arguments. The parameter descriptions define inputs, outputs and ownership.

Computes block mean hash of the input image

img_hash_blockMeanHash(inputArr: Mat, outputArr: Mat, mode: number): void;
2 available overloads
img_hash_blockMeanHash(inputArr: Mat, outputArr: Mat): void;
img_hash_blockMeanHash(inputArr: Mat, outputArr: Mat, mode: number): void;
inputArr

input image want to compute hash value, type should be CV_8UC4, CV_8UC3 or CV_8UC1.

outputArr

Output destination, filled by the native operation. Hash value of input, it will contain 16 hex decimal number, return type is CV_8U

mode

the mode

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.