Leadtools.ImageProcessing.Core Namespace

Overview and description of enumerations, structures, classes and delegates that include filters and transforms to process images (or selected portions). It includes mostly methods for medical, document and detection transforms, like multiscale enhancement, registration mark transformation, document cleaning, etc.

Classes

	Class	Description
	AlignImagesCommand	Aligns two images (the reference and template images) based on the locations of the input points. The images are combined, creating the RegisteredImage.
	AnisotropicDiffusionCommand	Performs a 2-Dimensional Anisotropic Diffusion filter on an image for reduction of varied patterned and non-patterned noise.
	ApplyLinearModalityLookupTableCommand	Remaps the image pixels by applying a linear transformation described by a rescale slope and an intercept.
	ApplyLinearVoiLookupTableCommand	Sets up the paint or paint and image processing methods window leveling options for a specific image through a linear transformation described by the window center and width.
	ApplyModalityLookupTableCommand	Remaps the image pixels using a LookupTable (LookupTable).
	ApplyTransformationParametersCommand	Corrects the image by removing the translation, rotation, and scaling deformations that have been applied to the image.
	ApplyVoiLookupTableCommand	Sets up the paint or paint and image processing methods' window leveling options for a specific image through a lookup-table (LookupTable).
	AutoBinarizeCommand	This function applies binary segmentation to a bitmap automatically. This class is available in the Document/Medical toolkits only.
	AutoCropCommand	Trims the current image, removing blank space around the edges.
	AutoCropRectangleCommand	Gets the rectangle to be used to trim the image if AutoCropCommand were used.
	AutoDocumentBinarizationCommand	This function applies binary segmentation to a bitmap automatically.
	AutoLineRemoveCommand	This class automatically detects and removes straight lines from document images.
	AutoPageSplitterCommand	The AutoPageSplitterCommand automatically splits an image of two document pages that are side-by-side.
	AutoSegmentCommand	Performs automated segmentation of a user-specified rectangular area in an image.
	AutoZoningCommand	Detects different zones (Text, Graphic and Tables) in an image automatically. This is an important feature for OCR pre-processing to improve the recognition results. This function is useful for any application that needs to automatically separate images, tables and text within mixed raster content (MRC) images.
	BarCodeReadPreprocessCommand	Detects the type of the barcode in the image, and binarizes (makes it black and white) the image in preparation for the recognition process.
	BezierPathCommand	Returns a list of points that from a Bezier curve of the given points.
	BlankPageDetectorCommand	Detects whether an image is a blank page. This command is available in the Document/Medical Toolkits.
	BlurDetectionCommand	Determines whether an image is blurred.
	BorderRemoveCommand	Removes the black borders in a 1-bit black and white image. This command is available in the Document/Medical Toolkits.
	BorderRemoveCommandEventArgs	Handles each border found by BorderRemoveCommand.
	BrightnessDetectionCommand	Finds the brightness amount in an image.
	CLAHECommand	Adjusts the image contrast using the Contrast Limited Adaptive Histogram Equalizer (CLAHE) method, Which uses several histograms, each corresponding to a distinct section in the image, while limiting the amplification of the noise in the image.
	ColorizeGrayCommand	Colors an 8, 12 or 16-bit grayscale image. The class changes the color bits/pixel of the image from the specified formats into 24-bit RGB format.
	ColorizeGrayCommandData	The ColorizeGrayCommandData class contains information about gray color intensities (Threshold) and the associated colors (Color) used in the coloration methods of the ColorizeGrayCommand class.
	ConvertSignedToUnsignedCommand	Converts a signed image to unsigned.
	ConvertUnsignedToSignedCommand	Converts an unsigned image to signed.
	CoreUtilities	Core utility class.
	CorrelationCommand	This command compares the correlation image(or part of the correlation image) with all the areas of the same dimensions in the image to be searched (the Run method image) and finds those portions that match according to the measure of correlation. This command is available in the Document/Medical Toolkits.
	CorrelationListCommand	Compares the images in a list with all the areas of the same dimensions in an image and finds those portions that match according to the measure of correlation. This method is only available in the Document/Medical toolkits.
	DeskewCommand	Rotates the specified image to straighten it.
	DespeckleCommand	Removes speckles from an image. Typically, this command is used to clean up scanned images (such as FAX images). This command is available in the Document/Medical Toolkits.
	DicomLookupTableDescriptor	This is used by other structures to define a LookupTable (LookupTable) descriptor.
	DigitalSubtractCommand	Subtracts the live image from the mask image to show the differences between the two images.
	DiscreteFourierTransformCommand	Computes the Discrete Fourier transform of an image or the Inverse Discrete Fourier transform as specified by the flags.
	DotRemoveCommand	Finds and removes dots and specks of various sizes. This method is available in the Document/Medical Toolkits.
	DotRemoveCommandEventArgs	Handles each dot found by DotRemoveCommand.
	ExpandContentCommand	Detects the boundaries of the document's content and expands it to fill the entire page space.
	FastFourierTransformCommand	Computes the Fast Fourier Transform of an image or the Inverse Fast Fourier Transform as specified by flags.
	FastMagicWandCommand	Updates a region through the ObjectRectangle and the ObjectData variables according to the color value at Xposition and Yposition.
	FourierTransformDisplayCommand	This command is used to display the results of a Fast Fourier Transform or a Discrete Fourier analysis as an image.
	FourierTransformInformation	The FourierTransformInformation class contains information about the complex 2D array that will hold the frequency components of the image.
	FrequencyFilterCommand	Filters the frequency harmonics data produced by a Fourier Transform method using a range rectangle.
	FrequencyFilterMaskCommand	Creates a mask filter to remove specific frequency components from the image. This command is available in the Imaging Pro and above toolkits.
	GetLinearVoiLookupTableCommand	Gets the window center and the window width, if the LookupTable stored inside the image is linear. If the LookupTable stored inside the image is not linear, the command will fail.
	GlareDetectionCommand	Automatically detects the glare zone in image.
	GWireCommand	Performs semi-automatic segmentation by creating minimal paths that follow the boundaries of the objects in the image.
	HalfToneCommand	Converts a 1-, 4-, 8-, 16-, 24-, or 32-bit image to a halftoned image, with a specified pattern rotation. A halftoned image is a 1-bit image that has been dithered for black and white printing or display.
	HalfTonePatternCommand	Creates a halftone screen effect for an image while keeping its continuous range of tones. This method is available in the Document/Medical toolkits.
	HighQualityRotateCommand	Performs high quality rotation on a black and white image.
	HolePunchRemoveCommand	Finds and removes hole punches.
	HolePunchRemoveCommandEventArgs	Handles each hole punch found by HolePunchRemoveCommand.
	ImageColorTypeCommand	This command investigate the image and return it's type whether colored, grayscale or black and white.
	InvertedPageCommand	Checks and auto-corrects an inverted image.
	InvertedTextCommand	Finds and modifies areas of inverted text in a 1-bit black and white image.
	InvertedTextCommandEventArgs	Handles each inverted text segment found by InvertedTextCommand.
	KaufmannRegionCommand	Sets a Kaufmann region based on the color value of the specified point in the enhanced image (KaufmannProcessedImage).
	KeyStoneCommand	Performs inverse perspective transformation (keystoning) on an image.
	KMeansCommand	Performs image segmentation and color reduction using the K-means algorithm.
	LambdaConnectednessCommand	Performs image segmentation using a special region-growing algorithm called Lambda Connectedness.
	LeadZone	Represents the class that is used to return the details about the detected zone.
	LeadZoneTableData	Represents the class that is used to return the details about the detected table zone.
	LeadZoneTextData	Represents the class that is used to return the details about the detected text zone.
	LevelsetCommand	Performs semi-automatic segmentation (using the Levelset algorithm) by shrinking or expanding a contour represented by a region to the objects in the image.
	LineRemoveCommand	Removes horizontal and vertical lines in a 1-bit black and white image.
	LineRemoveCommandEventArgs	Handles each line found by LineRemoveCommand.
	ManualPerspectiveDeskewCommand	Corrects the view perspective.
	MaximumCommand	Erodes dark objects by the specified amount.
	MeanShiftCommand	Performs a detail preserving noise reduction.
	MedianCommand	Changes the color of each pixel in an image to the median color of pixels in its neighborhood. This is similar to the AverageCommand command, but it is used for noise reduction, rather than a blur effect.
	MICRCodeDetectionCommand	Automatically detects a Magnetic Ink Character Recognition (MICR) zone in a document image.
	MinimumCommand	Dilates dark objects by the specified amount.This command is available in the Document/Medical Toolkits.
	MinimumToZeroCommand	Converts grayscale signed image to an unsigned one by shifting all the negative value of the image data, so the minimum negative value will be zero.
	MinMaxBitsCommand	Gets the low and high bits of the values present in a 12 or 16-bit grayscale or a 48 or 64-bit color image. This class is available in the Medical Toolkits.
	MinMaxValuesCommand	Gets the minimum and maximum intensity values present in a 12 or 16-bit grayscale or a 48 or 64-bit color image. This class is available in the Medical Toolkits.
	MRZCodeDetectionCommand	Automatically detects a machine-readable passport (MRZ) zone in a document image.
	MultiscaleEnhancementCommand	Enhances an image's contrast, edges, and density range for use in Computed Radiography (CR), in a way that all relevant image features are rendered with an appropriate level of visibility. This command is available in the Medical toolkits.
	ObjectCounterCommand	Gets the number of black objects in a binary image.
	ObjectCounterCommandEventArgs	Handles each object found by the ObjectCounterCommand.
	OmrCommand	This class represents the OMR detection engine, which detects OMR marks and returns a value indicating whether the OMR is filled.
	OtsuThresholdCommand	Performs image segmentation and color reduction using Otsu clustering on grayscale images.
	PerspectiveDeskewCommand	Detects and automatically deskews a 3D document.
	RakeRemoveCommand	Removes isolated Data Rakes in 1-bit black and white images.
	RakeRemoveCommandEventArgs	Handles each rake found by RakeRemoveCommand.
	RemoveSaltPepperCommand	Removes the salt and pepper noise from the specified image.
	ResizeInterpolateCommand	Applies different kinds of algorithms on images to resize them into the desired size.
	SearchRegistrationMarksCommand	Searches the image for the registration marks according to the information in SearchMarks. This command is available in the Document/Medical Toolkits.
	SearchRegistrationMarksCommandData	Provides registration mark search information to the SearchRegistrationMarksCommand. The SearchRegistrationMarksCommand also stores information in this structure about the registration marks that it finds.
	SelectDataCommand	Selects a specific number of bits of an 8, 12 or 16-bit grayscale image and puts them into a mask, then colors the image depending on the mask. This can show image variances depending on user-defined conditions. This command is available in the Medical toolkits.
	ShiftDataCommand	Selects a specific number of bits from an 8, 12 or 16-bit grayscale image to create a mask and places the mask in a new 8, 12 or 16-bit grayscale image. This command is available in the Medical toolkits.
	ShrinkWrapCommand	Performs automated segmentation of a rectangular or circular area in the specified image using the specified threshold.
	SigmaCommand	Performs an edge preserving average filter on bitmap.
	SignalToNoiseRatioCommand	Finds the signal to noise ratio (SNR) in an image.
	SliceCommand	Extracts individual slices from a radiographic scanned film. This method is available in the Imaging Pro and above toolkits.
	SliceCommandEventArgs	Handles each slice segment found by SliceCommand.
	SmoothCommand	Smooths the bumps and fills in the nicks of a 1-bit black and white image. This command is available in the Document/Medical Toolkits.
	SmoothCommandEventArgs	Handles each bump or nick found by the SmoothCommand.
	SRADAnisotropicDiffusionCommand	Applies a 2-Dimensional Anisotropic Diffusion filter on an image in order to reduce noise and speckling.
	StentEnhancementCommand	Performs a digital stent enhancement on a sequence of X-Ray frames. This enhances the visibility of the stent device in X-Ray angiography sequence of the coronary arteries.
	SubtractBackgroundCommand	Removes the background from the image.
	TADAnisotropicDiffusionCommand	An iterative filter that performs tensor-guided anisotropic diffusion in order to reduce noise while preserving the edges in the image.
	TextBlurDetectorCommand	Finds in-focus and out-of-focus blocks in any image.
	TissueEqualizeCommand	This function performs an Equalization between the Hard Tissue and the Soft Tissue in X-Ray Images.
	UnWarpCommand	Removes the distortion in an image of a cylindrical object, as if removing a label from off of the cylinder and flattening it out.
	WatershedCommand	Separates the image into different segments using the Watershed algorithm.
	WindowLevelCommand	Converts a 12 or 16-bit grayscale image to an 8-bit grayscale or a 24-bit RGB image. This class is available in Medical toolkits only.
	WindowLevelExtCommand	Converts a 12 or 16-bit grayscale image to an 16-bit grayscale or a 48-bit RGB image. This class is available in Document/Medical toolkits only.
	ZeroToNegativeCommand	Converts a grayscale unsigned image to a signed image by shifting the image data to the negative side by the amount specified by the user.

Structures

	Structure	Description
	Complex	The Complex structure contains a complex number representing a specific frequency component in Fourier Transform methods.
	CountLookupTableColorsResult	Structure that contains LookupTable information used by the CoreUtilities class.
	OmrZone	This class contains the detected OMR zone results.
	StentEnhancementMarkers	A class that contains the locations of the detected stent markers in a frame of the sequence.
	TransformationParameters	Structure that contains the rotation angle, XY scaling, and XY translation of the transformed image with comparison to the reference image.

Delegates

	Delegate	Description
	BarCodeReadPreprocessCallback	A callback method that is used to process deblurred images generated by BarCodeReadPreprocessCommand object.
	HolePunchRemoveCommandEventHandler	Represents the method that will handles each hole punch found by HolePunchRemoveCommand.

Enumerations

	Enumeration	Description
	ApplyTransformationParametersCommandFlags	Enumeration that specifies the behavior when resizing the image. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	AutoBinarizeCommandFlags	Flags that determine the behavior of the Auto Binarize process.
	AutoZoningOptions	Flags that determine the behavior of the auto zoning process.
	BarCodeReadPreprocessOptions	Indicates the binarization method used for converting the image to black and white.
	BarcodeTypes	Indicates the type of detected barcode in an image.
	BlankPageDetectorCommandFlags	Flags that determine the behavior of blank page detection process.
	BorderRemoveBorderFlags	Indicates which border to remove
	BorderRemoveCommandFlags	Enumerated values that determine the behavior of the border removal process.
	CLAHECommandFlags	Flags specifying the desired histogram shape for the image tiles.
	ConvertSignedToUnsignedCommandType	Flag that indicates how the shift will be done when converting images.
	ConvertUnsignedToSignedCommandType	Flag that indicates how to process bits outside the low bit to high bit range.
	CountLookupTableColorsType	Flag that indicates whether the LookupTable contains signed or unsigned data.
	DeskewCommandFlags	Flags that indicate whether to deskew the image, which background color to use, whether to deskew the image if the skew angle is very small, which type of interpolation to use, whether the image contains mostly text, and whether to use normal or fast rotation. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	DigitalSubtractCommandFlags	Flags that indicate the action to take after subtraction has occurred. These flags have a FlagsAttribute attribute that allows a bitwise combination of member values.
	DiscreteFourierTransformCommandFlags	Flags that indicate the transformation type, operation channel, frequency data type used to reconstruct the image, the clipping type, the used or computed frequencies range, the operation on the specified X harmonics range , and the operation on the specified Y harmonics range. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	DitheringType	Represents the type of dithering in the image.
	DotMatrixType	Represents the flag that determines whether a document image is dot matrix image or not.
	DotRemoveCommandFlags	Flags that determine the behavior of the dot removal process.
	FastFourierTransformCommandFlags	Flags that indicate the transformation type, operation channel, frequency data type used to reconstruct the image, and the clipping type. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	FourierTransformDisplayCommandFlags	Flags that indicate the data to be shown and the plotting scale. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	FrequencyFilterCommandFlags	Flags that indicate the operation to be performed on the specified X and Y harmonics ranges. This command is available in the Imaging Pro and above toolkits. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	GetLinearVoiLookupTableCommandFlags	Reserved for future use. Use 0 for now.
	HalfToneCommandType	Enumeration that indicates the type of halftoning to perform.
	HalfTonePatternCommandType	This enumeration contains the possible halftone patterns.
	HighQualityRotateCommandFlags	Options for the HighQualityRotateCommand class.
	HolePunchRemoveCommandFlags	Values that determine the behavior of the hole punch removal process.
	HolePunchRemoveCommandLocation	Flag that indicates the location within the document of the hole punches to remove.
	ImageColorType	This enumeration contains the various types that can be returned as a result to the image color type.
	ImageColorTypeCommandFlags	Options for manipulating the behavior of image type detection.
	InvertedPageCommandFlags	Options for the InvertedPageCommand class.
	InvertedTextCommandFlags	Flags that determine the behavior of the inverted text removal process.
	KMeansCommandFlags	Represents which initialization algorithm to use for the KMeansCommand.
	LeadZoneType	Flags that determine the type of zone that the auto zoning command will detect.
	LineRemoveCommandFlags	Flags that determine the behavior of the line removal process.
	LineRemoveCommandType	Flag that indicates which lines to remove.
	ModalityLookupTableCommandFlags	Indicates which color space is selected.
	MultiscaleEnhancementCommandFlags	Flags that determine method behavior. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	MultiscaleEnhancementCommandType	Values that determine the type of filter used.
	OmrFrameDetectionMethod	This enumeration represents the detection method used by the OMR engine.
	OmrSensitivity	This enumeration represents the OMR detection sensitivity.
	OmrZoneState	This enumeration represents the whether the zone is filled or not.
	RegistrationMarkCommandType	Value that specifies the type of registration mark for which to look.
	RegistrationOptions	Represents the type of transformation to be performed during registration.
	RemoveStatus	Indicates the action to take during the removal process.
	ResizeInterpolateCommandType	Represents the algorithm type used in resizing the image.
	ShrinkWrapFlags	Represents the flags used in the shrink wrap tool.
	SliceCommandFlags	Flags that indicate whether to deskew the sliced image, which type of interpolation to use when rotating, and whether to cut the slice from the original image.
	SmoothCommandBumpNickType	Enumerated values that indicate whether to remove bumps or fill in nicks.
	SmoothCommandDirectionType	Enumerated values that indicate whether the element being smoothed is vertical or horizontal.
	SmoothCommandFlags	Enumerated values that determine the behavior of the smoothing process.
	SubtractBackgroundCommandFlags	Flags that indicate whether the background is darker than the foreground, and whether to show the objects without the background. You must select one from each group. This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
	SubtractBackgroundCommandType	Enumerated values that represent the shrink size ratio used to minimize the image internally in order to increase the speed with little loss of accuracy.
	TADAnisotropicDiffusionFlags	Represents which type of flux to use when applying the Tensor-guided Anisotropic Diffusion filter.
	TextType	Flags that determine the orientation type of the text inside the table zone.
	TissueEqualizeCommandFlags	This enumeration contains the options for performing Tissue Equalization on an image
	VoiLookupTableCommandFlags	This enumeration contains all Types needed to indicate which color space is selected.

Reference

Leadtools.ImageProcessing.Core Assembly