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Aspose.OCR for .NET 23.4.0 - Release Notes
This article contains a summary of recent changes, enhancements and bug fixes in Aspose.OCR for .NET 23.4.0 (April 2023) release.
GPU version: 21.6.0
Deprecation warning
The release 23.3.1 introduced a slimmer, faster and more straightforward API. All of your existing code will continue to work and you can even make minor updates to it, but be aware that all deprecated elements are scheduled to be removed in release 23.11.0 (November 2023) in favor of the new API.
Time to deprecation: 5 months left.
What was changed
| Key | Summary | Category |
|---|---|---|
| OCRNET‑661 OCRNET‑663 | Added support for character-by-character recognition and character bounding box detection. | New feature |
Public API changes and backwards compatibility
This section lists all public API changes introduced in Aspose.OCR for .NET 23.4.0 that may affect the code of existing applications.
Added public APIs:
The following public APIs have been introduced in this release:
Aspose.OCR.AsposeOcr.RecognizeCharacters method
This method recognizes one or more files provided as an OcrInput object and returns each recognized character with its coordinates.
Aspose.OCR.CharacterRecognitionResult class
The collection of all characters detected by Aspose.OCR.AsposeOcr.RecognizeCharacters method and their bounding boxes.
Aspose.OCR.Character class
The recognized character and the coordinates of its bounding box.
Updated public APIs:
No changes.
Removed public APIs:
No changes.
Examples
The examples below illustrates the changes introduced in this release:
Character-by-character recognition
Aspose.OCR.AsposeOcr recognitionEngine = new Aspose.OCR.AsposeOcr();
// Add an image to the recognition batch
Aspose.OCR.OcrInput source = new Aspose.OCR.OcrInput(Aspose.OCR.InputType.SingleImage);
source.Add("image1.png");
// Detect and recognize characters
List<Aspose.OCR.CharacterRecognitionResult> result = recognitionEngine.RecognizeCharacters(source, Aspose.OCR.DetectAreasMode.COMBINE)
// Output recognized characters
foreach(Aspose.OCR.Character c in result[0].Characters)
{
Console.WriteLine($@"Found character ""{c.Value}"" by coordinates: left - {c.Coordinates.X} | top - {c.Coordinates.Y} | width - {c.Coordinates.Width} | height - {c.Coordinates.Height}");
}