Batch recognition

Aspose.OCR for Java can read up to 20 images in a single call. Images are be provided as a list of files, a folder, or a ZIP archive. Use RecognizeMultiplePages method of AsposeOCR class. This method supports JPEG, PNG, BMP, GIF, and WBMP images.

Subfolders and nested archives are not supported.

This method allows you to optionally customize recognition accuracy, performance, and other settings.

The method returns a list of RecognitionResult objects, corresponding to each recognized page.

Read multiple images

AsposeOCR api = new AsposeOCR();
// Files list
ArrayList<String> images = new ArrayList<String>();
images.add("page1.png");
images.add("page2.png");
images.add("page3.png");
// Extract text from images
ArrayList<RecognitionResult> results = api.RecognizeMultiplePages(images, new RecognitionSettings());
// Save all pages as PDF
api.SaveMultipageDocument("result.pdf", Format.Pdf, results);

Read images from ZIP achive

AsposeOCR api = new AsposeOCR();
// Extract text from ZIP archive
ArrayList<RecognitionResult> results = api.RecognizeMultiplePages("images.zip", new RecognitionSettings());
// Save all pages as PDF
api.SaveMultipageDocument("result.pdf", Format.Pdf, results);

Read images from folder

AsposeOCR api = new AsposeOCR();
// Extract text from ZIP archive
ArrayList<RecognitionResult> results = api.RecognizeMultiplePages("/images/", new RecognitionSettings());
// Save all pages as PDF
api.SaveMultipageDocument("result.pdf", Format.Pdf, results);