Digital Filter Functions

This chapter describes functions that alter frequency-related visual properties of images such as sharpness and contrast.

This chapter contains the following function definitions.

|Sharpen| |FilterBox| |FilterBoxInplace| |FilterMin| |FilterMax| |SumWindowRow| |SumWindow| |FilterMedian| |FilterMedianHoriz| |FilterMedianVert| |FilterMedianCross| |FilterMedianColor| |Filter| |Filter32f| |FilterColumn| |FilterColumn32f| |FilterRow| |FilterRow32f| |FilterPrewittHoriz| |FiltePrewittVert| |FilterScharrHoriz| |FilterScharrVert| |FilterSobelHoriz| |FilterSobelVert| |FilterSobelHorizSecond| |FilterSobelVertSecond| |FilterSobelCross| |FilterRobertsDown| |FilterRobertsUp| |FilterLaplace| |FilterGauss| |FilterHipass| |FilterLowpass|