OcrAnalyzer Class

Namespace:
GemBox.Pdf.Ocr
Assembly:
GemBox.Pdf.Ocr.dll

A static class that analyzes images using OCR.

public static class OcrAnalyzer
Public Module OcrAnalyzer
Inheritance:
System.Object
OcrAnalyzer

Methods

DetectTextRotation(Stream)

Detects the rotation of text in an image.

public static double DetectTextRotation(Stream stream)
Public Shared Function DetectTextRotation(stream As Stream) As Double
Parameters
stream
System.IO.Stream

The stream from which to load the image.

Returns
System.Double

The counterclockwise rotation of the text in degrees.

Remarks

The returned value ranges from -180 to 180. For example, 0 means the text is not rotated, and 90 means the text is rotated counterclockwise by 90 degrees (to read the text, your head would tilt to the left).

DetectTextRotation(Stream, OcrReadOptions)

Detects the rotation of text in an image.

public static double DetectTextRotation(Stream stream, OcrReadOptions readOptions)
Public Shared Function DetectTextRotation(stream As Stream, readOptions As OcrReadOptions) As Double
Parameters
stream
System.IO.Stream

The stream from which to load the image.

readOptions
OcrReadOptions

The reading options which can be used to define settings for OCR.

Returns
System.Double

The counterclockwise rotation of the text in degrees.

Remarks

The returned value ranges from -180 to 180. For example, 0 means the text is not rotated, and 90 means the text is rotated counterclockwise by 90 degrees (to read the text, your head would tilt to the left).

DetectTextRotation(String)

Detects the rotation of text in an image.

public static double DetectTextRotation(string path)
Public Shared Function DetectTextRotation(path As String) As Double
Parameters
path
System.String

The file path to the image

Returns
System.Double

The counterclockwise rotation of the text in degrees.

Remarks

The returned value ranges from -180 to 180. For example, 0 means the text is not rotated, and 90 means the text is rotated counterclockwise by 90 degrees (to read the text, your head would tilt to the left).

DetectTextRotation(String, OcrReadOptions)

Detects the rotation of text in an image.

public static double DetectTextRotation(string path, OcrReadOptions readOptions)
Public Shared Function DetectTextRotation(path As String, readOptions As OcrReadOptions) As Double
Parameters
path
System.String

The file path to the image

readOptions
OcrReadOptions

The reading options which can be used to define settings for OCR.

Returns
System.Double

The counterclockwise rotation of the text in degrees.

Remarks

The returned value ranges from -180 to 180. For example, 0 means the text is not rotated, and 90 means the text is rotated counterclockwise by 90 degrees (to read the text, your head would tilt to the left).