C# Class OcrLibrary.Helpers.Screenshot

Screenshot class to do some pre-processing before running the OCR algorithm

Inheritance: IDisposable

显示文件 Open project: sealuzh/PersonalAnalytics Class Usage Examples

Public Properties

Property	Type	Description
Image	System.Drawing.Bitmap

Public Methods

Method	Description
Crop ( ) : void	Crops the image (removes some toolbars)
Dispose ( ) : void	try to free up memory garbage collector
Resize ( ) : void	need to resize the image to 300dpi, otherwise tesseract will not be able to recognize anything TODO: often fails due to some memory problems (invalid parameter)
Save ( string name = "screenshot", bool forced = false ) : void	Helper function to save an image to the desktop
Screenshot ( Bitmap image ) : System
SubtractMedianBlur ( ) : void	Filter: Median Blur Subtract the medium blur (block size ~letter size) from the image
ToBinary ( ) : void	Filter: Threshold (Binary) Binarize the image (threshold)
ToGrayscale ( ) : void	Filter: Grayscale convert to grayscale

Method Details

Crop() public method

Crops the image (removes some toolbars)

public Crop ( ) : void
return	void

Dispose() public method

try to free up memory garbage collector

public Dispose ( ) : void
return	void

Resize() public method

need to resize the image to 300dpi, otherwise tesseract will not be able to recognize anything TODO: often fails due to some memory problems (invalid parameter)

public Resize ( ) : void
return	void

Save() public method

Helper function to save an image to the desktop

public Save ( string name = "screenshot", bool forced = false ) : void
name	string
forced	bool
return	void

Screenshot() public method

public Screenshot ( Bitmap image ) : System
image	System.Drawing.Bitmap
return	System

SubtractMedianBlur() public method

Filter: Median Blur Subtract the medium blur (block size ~letter size) from the image

public SubtractMedianBlur ( ) : void
return	void

ToBinary() public method

Filter: Threshold (Binary) Binarize the image (threshold)

public ToBinary ( ) : void
return	void

ToGrayscale() public method

Filter: Grayscale convert to grayscale

public ToGrayscale ( ) : void
return	void

Property Details

Image public_oe property

public Bitmap,System.Drawing Image
return	System.Drawing.Bitmap