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C# Class Algorithmix.Preprocessing.Preprocessing

Show file Open project: Algorithmix/Papyrus

Public Properties

Property	Type	Description
DOUBLE_ROTATE	bool
MaskColor	Color
MaxAspectRatio	int
MinAspectRatio	int
MinDimension	int
MinTransparencyRatio	double
log	Logger

Public Methods

Method	Description
AspectRatioFilter ( Bitmap shred ) : bool	Simple helper function test to filter extracted images based on their aspect ratio height/width
ExtractImages ( Bitmap Source, Bitmap Mask ) : List	Extracts all objects from the source image
FindBottomTransparent ( Byte>.Image myImg ) : int	Find the bottow row with non-transparent pixels
FindLeftTransparent ( Byte>.Image myImg ) : int	Find the leftmost column with non-transparent pixels
FindRightTransparent ( Byte>.Image myImg ) : int	Find the rightmost column with non-transparent pixels
FindTopTransparent ( Byte>.Image myImg ) : int	Find the top row of non-transparent pixels
FloodFill ( Bitmap image, int xpixel, int ypixel, double threshold, Bgr myColor ) : Bitmap	Flood fill in a BFS manner, so as not to overwhelm the stack
LabelConnectedComponents ( Bitmap &image ) : int	Lable Connected Components of the scan, Identify unique objects
Orient ( Bitmap blob ) : Bitmap	Rotates the blobs to be vertical
Orient_Hough ( Bitmap blob ) : Bitmap
Orient_Step2 ( Bitmap blob ) : Bitmap
RotateImg ( Bitmap bmp, float angle, Color bkColor ) : Bitmap	Rotate the image by angle degrees, with bkColor as new background Uses some magic with the translatetransform and pixel2d :P WOW!
TransparencyFilter ( Bitmap shred ) : bool	Simple helper function that will test to make sure that more than a certain percentage of the shred is non a transparent color.

Private Methods

Method	Description
ApplyBlobExtractor ( Bitmap Mask, Bitmap Source ) : Bitmap>>.List	Applies the blob extraction feature of Aforge
ExtractSingleImage ( Bitmap TheBlob, Bitmap Source ) : Bitmap	Extracts a single object given the corresponding mask and rectangle
FilterBlob ( Bitmap mask ) : bool	Simple helper function to filter blobs. Currently works solely on size.
GetCropZone ( Byte>.Image myImg ) : Rectangle	Simple helper function for cropping the image after rotation

Method Details

Property Details