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opencv-wasm

text_ERFilter

textclassOpenCV 5.0.0
import { text_ERFilter } from '@banou/opencv-wasm'

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

ARGUMENTSConstructor or factory
CLASStext_ERFilter
RETURN TYPEOwned native handle
Call structure. A void return can still write to destination arguments. The parameter descriptions define inputs, outputs and ownership.

Native object: release it with using or delete(). Factories can return null; check before calling methods. Inherits Algorithm.

Base class for 1st and 2nd stages of Neumann and Matas scene text detection algorithm [Neumann12]. :

Extracts the component tree (if needed) and filter the extremal regions (ER's) by using a given classifier.

Upstream declaration ↗

Constructors and members

clone

Create another handle to the same native object. This retains the object without copying its pixels or algorithm state; dispose both handles separately.

clone(): this;
Returns

The this result.

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.