api:dk11:delphi:gispixelfilter
Table of Contents
GisPixelFilter namespace
DK for Delphi | GisPixelFilter | Enums | Classes
Classes
| Name | Description | |
|---|---|---|
| TGIS_PixelFilterAbstract | Abstract base class for all pixel layer filters. | |
| TGIS_PixelFilterAlphaTrimmedMean | Alpha-trimmed mean filter for pixel layers - transforms the pixel value to the alpha-trimmed mean of the values within the block. | |
| TGIS_PixelFilterArithmeticMean | Arithmetic mean filter for pixel layers - transforms the pixel value to the arithmetic mean of the values within the block. | |
| TGIS_PixelFilterBlockStats | Abstract class for all pixel layer block filters. | |
| TGIS_PixelFilterBottomHat | Bottom-hat filter for pixel layers - three-stage filter, computes the difference of the closing (dilation followed by erosion) of the image with the original image. | |
| TGIS_PixelFilterClosing | Closing filter for pixel layers - two-stage filter, applies dilation followed by erosion. | |
| TGIS_PixelFilterContraHarmonicMean | Contra-harmonic mean filter for pixel layers - transforms the pixel value to the contra-harmonic mean of the values within the block. | |
| TGIS_PixelFilterConvolution | Applies mask filters to pixel layers by convolution. | |
| TGIS_PixelFilterDilation | Dilation filter for pixel layers - transforms the pixel value to the greatest sum of the value in the block and the mask value. | |
| TGIS_PixelFilterErosion | Erosion filter for pixel layers - transforms the pixel value to the smallest difference of the value in the block and the mask value. | |
| TGIS_PixelFilterGeometricMean | Geometric mean filter for pixel layers - transforms the pixel value to the geometric mean of the values within the block. | |
| TGIS_PixelFilterHarmonicMean | Harmonic mean filter for pixel layers - transforms the pixel value to the harmonic mean of the values within the block. | |
| TGIS_PixelFilterMajority | Majority filter for pixel layers - transforms the pixel value to the most frequent value in the block (if exists). | |
| TGIS_PixelFilterMaximum | Maximum filter for pixel layers - transforms the pixel value to the greatest value in the block. | |
| TGIS_PixelFilterMedian | Median filter for pixel layers - transforms the pixel value to the median of the values within the block. | |
| TGIS_PixelFilterMidpoint | Midpoint filter for pixel layers - transforms the pixel value to the average between the maximum and the minimum value in the block. | |
| TGIS_PixelFilterMinimum | Minimum filter for pixel layers - transforms the pixel value to the smallest value in the block. | |
| TGIS_PixelFilterMinority | Minority filter for pixel layers - transforms the pixel value to the least frequent value in the block (if it exists). | |
| TGIS_PixelFilterMorphological | Abstract class for all pixel layer morphological filters. | |
| TGIS_PixelFilterNoise | Abstract class for all noise pixel layer filters. | |
| TGIS_PixelFilterNoiseGaussian | Gaussian noise filter for pixel layers. | |
| TGIS_PixelFilterNoiseSaltPepper | Salt-and-pepper noise filter for pixel layers. | |
| TGIS_PixelFilterOpening | Opening filter for pixel layers - two-stage filter, applies erosion followed by dilation. | |
| TGIS_PixelFilterRange | Range filter for pixel layers - transforms the pixel value to the difference between the maximum and the minimum value in the block. | |
| TGIS_PixelFilterSobelMagnitude | Sobel magnitude filter for pixel layers - performs edge detection, the pixel value is proportional to the value difference at the edge. | |
| TGIS_PixelFilterStandardDeviation | Standard deviation filter for pixel layers - transforms the pixel value to the standard deviation of the values within the block. | |
| TGIS_PixelFilterSum | Sum filter for pixel layers - transforms the pixel value to the sum of the values within the block. | |
| TGIS_PixelFilterThreshold | Threshold filter for pixel layers that sets values below the threshold to the layer minimum and other values to the layer maximum. | |
| TGIS_PixelFilterTopHat | Top-hat filter for pixel layers - three-stage filter, computes the difference of the original image with its opening (erosion followed by dilation). | |
| TGIS_PixelFilterUniqueCount | Unique value count filter for pixel layers - transforms the pixel value to the number of unique values within the block. | |
| TGIS_PixelFilterWeightedMean | Weighted mean filter for pixel layers - transforms the pixel value to the weighted mean of the values within the block. | |
| TGIS_PixelFilterWeightedMedian | Weighted median filter for pixel layers - transforms the pixel value to the weighted median of the values within the block. | |
| TGIS_PixelFilterYpMean | Yp mean filter for pixel layers - transforms the pixel value to the Yp mean of the values within the block. | |
Enumerations
| Name | Description | |
|---|---|---|
| TGIS_PixelFilterColorSpace | Defines the color space in which the filter is to operate. | |
| TGIS_PixelFilterMaskType | Predefined mask filters. | |
| TGIS_PixelFilterStructuringElementType | Predefined structuring element types. | |
2026/07/11 00:40