aruco_getPredefinedDictionary

objdetectfunctionOpenCV 5.0.0

import { aruco_getPredefinedDictionary } from '@banou/opencv-wasm'

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

Explore visually: ArUco markers →

Detect square coded markers and recover their identities and ordered corners.

VISUAL WALKTHROUGHDetection

REFERENCE INPUTA code seen in perspective

The illustrative module grid is a schematic, not a valid encoded marker.

→

RESULTValidate and decode

A candidate must pass the dictionary or code validity checks before it yields a payload. The schematic grid above is not decoded.

Illustrative example. The stages explain the method; they are not a live OpenCV execution.

Returns one of the predefined dictionaries referenced by DICT_*.

aruco_getPredefinedDictionary(dict: number): aruco_Dictionary;

dict

dict argument (number).

Returns

The aruco_Dictionary result.

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.