text_detectRegions

textfunctionOpenCV 5.0.0

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

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

Explore visually: Text-region detection →

Find candidate text regions before character recognition.

VISUAL WALKTHROUGHText

REFERENCE INPUTText in an image

Characters are pixels before a recognizer assigns text to them.

→

RESULTReturn a text region

Detection returns geometry. Recognition is a separate operation.

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

Utility funtion for scripting

text_detectRegions(image: Mat, er_filter1: text_ERFilter | null, er_filter2: text_ERFilter | null, regions: PointVectorVector): void;

image

image argument (Mat).

er_filter1

er filter1 argument (text_ERFilter | null).

er_filter2

er filter2 argument (text_ERFilter | null).

regions

Output destination, filled by the native operation. regions argument (PointVectorVector).

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.