Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123456]

▼NiText
▼NPdfocr
▼NExceptions
CPdfOcrException	Exception class for custom exceptions
CPdfOcrExceptionMessageConstant	Class that bundles all the exception message templates as constants
CPdfOcrInputException	Exception class for input related exceptions
▼NLogs
CPdfOcrLogMessageConstant	Class that bundles all the log message templates as constants
▼NStatistics
CPdfOcrOutputTypeStatisticsEvent	Class which represents an event for specifying type of an ocr processing
▼NStructuretree
CArtifactItem	This class represents artifact structure tree item
CLogicalStructureTreeItem	This class represents structure tree item of the text item put into the pdf document
CParagraphTreeItem	A convenience class to associate certain text items with the paragraph structure item
CSpanTreeItem	A convenience class to associate certain text items with the span structure item
CTableCellTreeItem	A convenience class to associate certain text items with the table cell structure item
CTableRowTreeItem	A convenience class to associate certain text items with the table row structure item
CTableTreeItem	A convenience class to associate certain text items with the table structure item
▼NTesseract4
▼NActions
▼NData
CPdfOcrTesseract4ProductData	Stores an instance of iText.Commons.Actions.Data.ProductData related to iText pdfOcr Tesseract4 module
▼NEvents
CPdfOcrTesseract4ProductEvent	Class represents events registered in iText pdfOcr Tesseract4 module
▼NExceptions
CPdfOcrInputTesseract4Exception	Exception class for Tesseract4 input related exceptions
CPdfOcrTesseract4Exception	Exception class for Tesseract4 exceptions
CPdfOcrTesseract4ExceptionMessageConstant	Class that bundles all the error message templates as constants
▼NLogs
CTesseract4LogMessageConstant	Class that bundles all the log message templates as constants
CAbstractTesseract4OcrEngine	The implementation of iText.Pdfocr.IOcrEngine
CImagePreprocessingOptions	Additional options applied on image preprocessing step
CLeptonicaImageRotationHandler	Leptonica based implementation of iText.Pdfocr.IImageRotationHandler
CTesseract4ExecutableOcrEngine	The implementation of AbstractTesseract4OcrEngine for tesseract OCR
CTesseract4LibOcrEngine	The implementation of AbstractTesseract4OcrEngine for tesseract OCR
CTesseract4OcrEngineProperties	Properties that will be used by the iText.Pdfocr.IOcrEngine
CTesseractHelper	Helper class
CAbstractPdfOcrEventHelper	Helper class for working with events
CIImageRotationHandler	Rotation information may be stored in image metadata
CIOcrEngine	IOcrEngine interface is used for instantiating new OcrReader objects
CIOcrProcessProperties	OCR properties passed to the OCR engine as part of OcrProcessContext
CIProductAware	The interface that holds information about product data and meta info
COcrEngineProperties	This class contains additional properties for ocr engine
COcrPdfCreator	OcrPdfCreator is the class that creates PDF documents containing input images and text that was recognized using provided IOcrEngine
COcrPdfCreatorProperties	Properties that will be used by the OcrPdfCreator
COcrProcessContext	Class for storing ocr processing context
CPdfOcrFontProvider	iText.Layout.Font.FontProvider extension for ocr engine
CPdfOcrMetaInfoContainer	Container to keep meta info
CTextInfo	This class describes how recognized text is positioned on the image providing bbox for each text item (could be a line or a word)
▼NVersions