FirebaseVisionText.TextBlock

public static class FirebaseVisionText.TextBlock extends Object

A block of text (think of it as a paragraph) as deemed by the OCR engine.

Public Method Summary

Rect
getBoundingBox()
Returns the axis-aligned bounding rectangle of the detected text.
Float
getConfidence()
The confidence of the recognized text.
Point[]
getCornerPoints()
Gets the four corner points in clockwise direction starting with top-left.
synchronized List<FirebaseVisionText.Line>
getLines()
Gets an unmodifiable list of FirebaseVisionText.Lines that make up this text block.
List<RecognizedLanguage>
getRecognizedLanguages()
Gets a list of recognized languages together with confidence.
String
getText()
Gets the recognized text as a string.

Inherited Method Summary

Object
clone()
boolean
equals(Object arg0)
void
finalize()
final Class<?>
getClass()
int
hashCode()
final void
notify()
final void
notifyAll()
String
toString()
final void
wait(long arg0, int arg1)
final void
wait(long arg0)
final void
wait()

Public Methods

public Rect getBoundingBox ()

Returns the axis-aligned bounding rectangle of the detected text.

public Float getConfidence ()

The confidence of the recognized text.

The value is returned only for cloud recognizers that are configured with DENSE_MODEL.

public Point[] getCornerPoints ()

Gets the four corner points in clockwise direction starting with top-left. Due to the possible perspective distortions, this is not necessarily a rectangle. Parts of the region could be outside of the image.

The value is only valid for on-device text recognition.

public synchronized List<FirebaseVisionText.Line> getLines ()

Gets an unmodifiable list of FirebaseVisionText.Lines that make up this text block.

public List<RecognizedLanguage> getRecognizedLanguages ()

Gets a list of recognized languages together with confidence. (Cloud API only.)

public String getText ()

Gets the recognized text as a string. Returned in reading order for the language. For Latin, this is top to bottom within a TextBlock, and left-to-right within a Line.

Returns an empty string if nothing is found.

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Updated Oct 3, 2024