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Leadtools.ImageProcessing.Core Namespace
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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
ClassApplyLinearModalityLookupTableCommand 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.
ClassApplyLinearVoiLookupTableCommand 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.
ClassApplyModalityLookupTableCommand Remaps the image pixels through a LookupTable (LookupTable). This class is available in the Document/Medical Toolkits only.
ClassApplyTransformationParametersCommand 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.
ClassApplyVoiLookupTableCommand 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.
ClassAutoBinarizeCommand This function applies binary segmentation to a bitmap automatically.
ClassAutoCropCommand Trims the current image, removing blank space around the edges.
ClassAutoCropRectangleCommand Gets the rectangle to be used to trim the image if AutoCropCommand were used.
ClassAutoSegmentCommand Performs automated segmentation of a rectangular area in the image specified by the user.
ClassAutoZoningCommand 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.
ClassBlankPageDetectorCommand Detects whether an image is a blank page. This command is available in the Document\Medical Toolkits.
ClassBorderRemoveCommand Removes the black borders in a 1-bit black and white image. This command is available in the Document/Medical Toolkits.
ClassBorderRemoveCommandEventArgs Handles each border found by BorderRemoveCommand.
ClassColorizeGrayCommand 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.
ClassColorizeGrayCommandData The ColorizeGrayCommandData class contains information about gray color intensities (Threshold) and the associated colors (Color) used in the coloration methods of the ColorizeGrayCommand class.
ClassConvertSignedToUnsignedCommand Converts a signed image to unsigned.
ClassConvertUnsignedToSignedCommand Converts an unsigned image to signed.
ClassCoreUtilities Core utility class.
ClassCorrelationCommand 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.
ClassCorrelationListCommand 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.
ClassDeskewCheckCommand Support for this function will be discontinued in the next major release of LEADTOOLS. Use DeskewCommand instead. Rotates the specified image to straighten it.
ClassDeskewCommand Rotates the specified image to straighten it.
ClassDeskewExtendedCommand Rotates the specified image to straighten it. This command is typically used to automatically straighten scanned images. This method is available in the Document\Medical toolkits.
ClassDespeckleCommand 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.
ClassDicomLookupTableDescriptor This is used by other structures to define a LookupTable (LookupTable) descriptor.
ClassDigitalSubtractCommand 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.
ClassDiscreteFourierTransformCommand 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.
ClassDotRemoveCommand Finds and removes dots and specks of various sizes. This method is available in the Document/Medical Toolkits.
ClassDotRemoveCommandEventArgs Handles each dot found by DotRemoveCommand.
ClassFastFourierTransformCommand 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.
ClassFastMagicWandCommand Updates a region through the ObjectRectangle and the ObjectData variables according to the color value at Xposition and Yposition.
ClassFourierTransformDisplayCommand 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.
ClassFourierTransformInformation The FourierTransformInformation class contains information about the complex 2D array that will hold the frequency components of the image.
ClassFrequencyFilterCommand Filters the frequency harmonics data produced by a Fourier Transform method using a range rectangle.
ClassFrequencyFilterMaskCommand Creates a mask filter to remove specific frequency components from the image. This command is available in the Raster Pro and above toolkits.
ClassGetLinearVoiLookupTableCommand 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.
ClassHalfToneCommand 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.
ClassHalfTonePatternCommand Creates a halftone screen effect for an image while keeping its continuous range of tones. This method is available in the Document/Medical toolkits.
ClassHighQualityRotateCommand Perform high quality rotation on a black and white image.
ClassHolePunchRemoveCommand Finds and removes hole punches. This command is available in the Document/Medical Toolkits.
ClassHolePunchRemoveCommandEventArgs Handles each hole punch found by HolePunchRemoveCommand.
ClassInvertedPageCommand Checks and auto-corrects an inverted image.
ClassInvertedTextCommand Finds and modifies areas of inverted text in a 1-bit black and white image. This command is available in the Document/Medical Toolkits.
ClassInvertedTextCommandEventArgs Handles each inverted text segment found by InvertedTextCommand.
ClassKaufmannRegionCommand 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.
ClassLeadZone Represents the class that is used to return the details about the detected zone.
ClassLeadZoneTableData Represents the class that is used to return the details about the detected table zone.
ClassLeadZoneTextData Represents the class that is used to return the details about the detected text zone.
ClassLineRemoveCommand Removes horizontal and vertical lines in a 1-bit black and white image. This command is available in the Document/Medical Toolkits.
ClassLineRemoveCommandEventArgs Handles each line found by LineRemoveCommand.
ClassMaximumCommand Erodes dark objects by the specified amount. This command is available in the Document/Medical Toolkits.
ClassMedianCommand 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.
ClassMinimumCommand Dilates dark objects by the specified amount.This command is available in the Document/Medical Toolkits.
ClassMinimumToZeroCommand 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.
ClassMinMaxBitsCommand 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.
ClassMinMaxValuesCommand 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.
ClassMultiscaleEnhancementCommand 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.
ClassObjectCounterCommand Gets the number of black objects in a binary image.
ClassObjectCounterCommandEventArgs Handles each object found by ObjectCounterCommand.
ClassRakeRemoveCommand Removes isolated Data Rakes in 1-bit black and white images.
ClassRakeRemoveCommandEventArgs Handles each rake found by RakeRemoveCommand.
ClassResizeInterpolateCommand Applies different kinds of algorithms on images to resize them into the desired size.
ClassSearchRegistrationMarksCommand Searches the image for the registration marks according to the information in SearchMarks. This command is available in the Document/Medical Toolkits.
ClassSearchRegistrationMarksCommandData Provides registration marks search information to the SearchRegistrationMarksCommand. The SearchRegistrationMarksCommand also stores information in this structure about the registration marks that it finds.
ClassSelectDataCommand 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.
ClassShiftDataCommand 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.
ClassSigmaCommand Performs an edge preserving average filter on bitmap.
ClassSliceCommand Extracts individual slices from a radiographic scanned film. This method is available in the Raster Pro and above toolkits.
ClassSliceCommandEventArgs Handles each slice segment found by SliceCommand.
ClassSmoothCommand 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.
ClassSmoothCommandEventArgs Handles each bump or nick found by the SmoothCommand.
ClassSubtractBackgroundCommand Removes the background from the image.
ClassTissueEqualizeCommand This function performs an Equalization between the Hard Tissue and the Soft Tissue in X-Ray Images.
ClassWindowLevelCommand 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.
ClassWindowLevelExtCommand 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.
ClassZeroToNegativeCommand 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
StructureComplex The Complex structure contains a complex number representing a specific frequency component in Fourier Transform methods.
StructureCountLookupTableColorsResult Structure that contains LookupTable information used by the CoreUtilities class.
StructureTransformationParameters Structure that contains the rotation angle, XY scaling, and XY translation of the transformed image with comparison to the reference image.

Delegates

 DelegateDescription
DelegateHolePunchRemoveCommandEventHandler Represents the method that will handles each hole punch found by HolePunchRemoveCommand.

Enumerations

 EnumerationDescription
EnumerationApplyTransformationParametersCommandFlags Enumeration that specifies the behavior when resizing the image.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

EnumerationAutoBinarizeCommandFlags Flags that determine the behavior of the Auto Binarize process.
EnumerationAutoZoningOptions Flags that determine the behavior of the auto zoning process.
EnumerationBlankPageDetectorCommandFlags Flags that determine the behavior of blank page detection process.
EnumerationBorderRemoveBorderFlags Indicates which border to remove
EnumerationBorderRemoveCommandFlags Enumerated values that determine the behavior of the border removal process.
EnumerationConvertSignedToUnsignedCommandType Flag that indicates how the shift will be done when converting images.
EnumerationConvertUnsignedToSignedCommandType Flag that indicates how to process bits outside the low bit to high bit range.
EnumerationCountLookupTableColorsType Flag that indicates whether the LookupTable contains signed or unsigned data.
EnumerationDeskewCheckCommandFlags Support for this function will be discontinued in the next major release of LEADTOOLS. Use DeskewCommand instead. Flags that indicate whether to deskew the image and which background color to use.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

EnumerationDeskewCommandFlags 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.

EnumerationDeskewExtendedCommandFlags 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 is to be used, whether the image is mostly text or text and pictures, and whether to use normal or fast rotation.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

EnumerationDigitalSubtractCommandFlags 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.

EnumerationDiscreteFourierTransformCommandFlags 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.

EnumerationDotRemoveCommandFlags Flags that determine the behavior of the dot removal process.
EnumerationFastFourierTransformCommandFlags 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.

EnumerationFourierTransformDisplayCommandFlags 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.

EnumerationFrequencyFilterCommandFlags 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 FlagsAttribute attribute that allows a bitwise combination of its member values.

EnumerationGetLinearVoiLookupTableCommandFlags Reserved for future use. Use 0 for now.
EnumerationHalfToneCommandType Enumeration that indicates the type of halftoning to perform.
EnumerationHalfTonePatternCommandType This enumeration contains the possible halftone patterns.
EnumerationHighQualityRotateCommandFlags Options for the HighQualityRotateCommand class.
EnumerationHolePunchRemoveCommandFlags Values that determine the behavior of the hole punch removal process.
EnumerationHolePunchRemoveCommandLocation Flag that indicates the location within the document of the hole punches to remove.
EnumerationInvertedPageCommandFlags Options for the InvertedPageCommand class.
EnumerationInvertedPageCommandFlagsHelper  
EnumerationInvertedTextCommandFlags Flags that determine the behavior of the inverted text removal process.
EnumerationLeadZoneType Flags that determine the type of the zone that the auto zoning command will detect.
EnumerationLineRemoveCommandFlags Flgas that determine the behavior of the line removal process.
EnumerationLineRemoveCommandType Flag that indicates which lines to remove.
EnumerationModalityLookupTableCommandFlags Contains all Types needed to indicate which color space is selected.
EnumerationMultiscaleEnhancementCommandFlags Flags that determine method behavior.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

EnumerationMultiscaleEnhancementCommandType Values that determine the type of filter used.
EnumerationRegistrationMarkCommandType Value that specifies the type of registration mark for which to look.
EnumerationRemoveStatus Indicates the action to take during the removal process.
EnumerationResizeInterpolateCommandType Represents the algorithm type used in resizing the image.
EnumerationSliceCommandFlags Flags that indicate whether to deskew the sliced image, which type of interpolation to use when roating, and whether to cut the slice from the original image.
EnumerationSmoothCommandBumpNickType Enumerated values that indicate whether to remove bumps or fill in nicks.
EnumerationSmoothCommandDirectionType Enumerated values that indicate whether the element being smoothed is vertical or horizontal.
EnumerationSmoothCommandFlags Enumerated values that determine the behavior of the smoothing process.
EnumerationSubtractBackgroundCommandFlags 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.

EnumerationSubtractBackgroundCommandType 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.
EnumerationTissueEqualizeCommandFlags This enumeration contains the options for performing Tissue Equalization on an image
EnumerationVoiLookupTableCommandFlags This enumeration contains all Types needed to indicate which color space is selected.

See Also