boxfilter

Contents: Description, Arguments, Usage, Examples, Images Supported Under Version: >1.69 Current Davinci Version: 2.27 64-bit Safe: Yes Description Fast convolve (average) for uniform, rectangular masks. Arguments and Return Values Arguments: a numeric array, a box size and an ignore value Return Value: a float numeric array the x and y dimensios and organization of the original with convolved data. Usage Syntax: boxfilter(obj, size, ignore, verbose) The size can be either a size in x and y defining a rectangle or a square of side length of 'size'. Pixels containing the ignore value will be filled in if they are within one half of a box length from a pixel that has a valid value. Examples dv> a 345x600x1 array of byte, bsq format [207,000 bytes] dv> bx=boxfilter(a,x=21,y=1,ignore=0) 345x600x1 array of float, bsq format [828,000 bytes] dv> by=boxfilter(a,x=1,y=21,ignore=0) 345x600x1 array of float, bsq format [828,000 bytes] dv> bboth=boxfilter(a,size=21,ignore=0) 345x600x1 array of float, bsq format [828,000 bytes] Images

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