Recognize single line

If an image contains a single line of text, it can be recognized in the fastest possible mode, without automated corrections, areas detection, and other resource-consuming steps.

To extract text from such images, use RecognizeLine method of of AsposeOCR class or use setRecognizeSingleLine(true) method of recognition settings.

Recognize image from path

AsposeOCR api = new AsposeOCR();
String result = RecognizeLine("source.png");
System.out.println("Recognition result:\n" + result + "\n\n");

Recognize image from memory

AsposeOCR api = new AsposeOCR();
BufferedImage source = ImageIO.read(new File("source.png"));
String result = RecognizeLine(source);
System.out.println("Recognition result:\n" + result + "\n\n");

Recognition settings

AsposeOCR api = new AsposeOCR();
// Activate single-line recognition mode
RecognitionSettings recognitionSettings = new RecognitionSettings();
recognitionSettings.setRecognizeSingleLine(true);
// Extract text from image
RecognitionResult result = api.RecognizePage("source.png", recognitionSettings);
// Show recognition result
System.out.println("Recognition result:\n" + result.recognitionText + "\n\n");

Please note that this method only works for images containing a single line of text! Using it on multi-line images will lead to incorrect recognition results.

Performance impact

This method is about 7 times faster than normal OCR and is highly recommended for batch processing large numbers of very simple images.

Drawbacks

This recognition method only supports images in the following formats:

• GIF,
• 24-bit PNG,
• JPEG,
• BMP,
• WBMP.

It also does not work with skewed images and does not support recognition settings. However, you can preprocess an image before sending it to the OCR engine.