Finds and recognizes text in a supplied Frame
.
Build new TextRecognizer instances using TextRecognizer.Builder
.
Recognition results are returned by
detect(Frame)
. The OCR algorithm tries to infer the text layout and organizes each
paragraph into TextBlock
instances. If any text is detected, at least one TextBlock
instance will be returned.
Adding the ocr functionality dependency to your project's AndroidManifest.xml will indicate to the installer that it should download the dependency on application install.
Nested Class Summary
class | TextRecognizer.Builder | TextRecognizer Builder. |
Public Method Summary
SparseArray<TextBlock> |
detect(Frame frame)
Detects and recognizes text in a image.
|
boolean | |
void |
release()
|
Inherited Method Summary
Public Methods
public SparseArray<TextBlock> detect (Frame frame)
Detects and recognizes text in a image. Only supports bitmap and ImageFormat.NV21
for now.
Returns
- mapping of int to
TextBlock
, where the int domain represents an opaque ID for the text block.