LEADTOOLS Image Processing (Leadtools.ImageProcessing.Core assembly)

Leadtools.ImageProcessing.Core Namespace

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Inheritance Hierarchy
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
 ClassDescription
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. This class is available in the Document/Medical toolkits only.
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. This class is available in the Document/Medical toolkits only.
ApplyModalityLookupTableCommand Remaps the image pixels through a LookupTable (LookupTable). This class is available in the Document/Medical Toolkits only.
ApplyTransformationParametersCommand Corrects the image by removing the translation, rotation, and scaling deformations that have been applied on the image. This command is available in the Document/Medical Toolkits.
ApplyVoiLookupTableCommand Sets up the paint or paint and image processing methods' window leveling options for a specific image through a lookup-table (LookupTable). This class is available in the Document/Medical Toolkits only.
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 remove strait lines from the document images.
AutoSegmentCommand Performs automated segmentation of a rectangular area in the image specified by the user.
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 (make it black and white) the image in preparation for the recognition process.
BlankPageDetectorCommand Detects whether an image is a blank page. This command is available in the Document\Medical Toolkits.
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.
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. This class is available in the Raster Pro and above toolkits.
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. This method is available in the Medical and above.
DiscreteFourierTransformCommand Computes the Discrete Fourier transform of an image or the Inverse Discrete Fourier transform as specified by the flags. This command is available in the Raster Pro and above toolkits.
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.
FastFourierTransformCommand Computes the Fast Fourier transform of an image or the Inverse Fast Fourier transform as specified by flags. This command is available in the Raster Pro and above toolkits.
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. This command is available in the Raster Pro and above toolkits.
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 Raster 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.
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 Perform high quality rotation on a black and white image.
HolePunchRemoveCommand Finds and removes hole punches. This command is available in the Document/Medical Toolkits.
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. This command is available in the Document/Medical Toolkits.
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). This command is available in the Raster Pro and above toolkits.
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.
LineRemoveCommand Removes horizontal and vertical lines in a 1-bit black and white image. This command is available in the Document/Medical Toolkits.
LineRemoveCommandEventArgs Handles each line found by LineRemoveCommand.
MaximumCommand Erodes dark objects by the specified amount. This command is available in the Document/Medical Toolkits.
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 Leadtools.ImageProcessing.Effects.AverageCommand command, but it is used for noise reduction, rather than a blur effect.
MICRCodeDetectionCommand Magnetic ink character recognition (MICR) is a character-recognition technology used mainly by the banking industry to ease the processing and clearance of cheques and other documents.
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.
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 ObjectCounterCommand.
RakeRemoveCommand Removes isolated Data Rakes in 1-bit black and white images.
RakeRemoveCommandEventArgs Handles each rake found by RakeRemoveCommand.
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.
SigmaCommand Performs an edge preserving average filter on bitmap.
SliceCommand Extracts individual slices from a radiographic scanned film. This method is available in the Raster 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.
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.
TissueEqualizeCommand This function performs an Equalization between the Hard Tissue and the Soft Tissue in X-Ray Images.
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 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
 StructureDescription
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.
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
 DelegateDescription
HolePunchRemoveCommandEventHandler Represents the method that will handles each hole punch found by HolePunchRemoveCommand.
Enumerations
 EnumerationDescription
ApplyTransformationParametersCommandFlags Enumeration that specifies the behavior when resizing the image.

This enumeration has a System.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.

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 System.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 System.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 System.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 System.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 System.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 Raster Pro and above toolkits.

This enumeration has a System.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.

LeadZoneType

Flags that determine the type of the 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 System.FlagsAttribute attribute that allows a bitwise combination of its member values.

MultiscaleEnhancementCommandType Values that determine the type of filter used.
RegistrationMarkCommandType Value that specifies the type of registration mark for which to look.
RemoveStatus Indicates the action to take during the removal process.
ResizeInterpolateCommandType Represents the algorithm type used in resizing the image.
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 System.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.
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.
See Also

Reference

Leadtools.ImageProcessing.Core Assembly

 

 


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