imfilter: Image filtering package
- boxcar: Boxcar smooth a list of 1 or 2-D images
- convolve: Convolve a list of 1 or 2-D images with a rectangular filter
- fmedian: Quantize and box median filter a list of 1D or 2D images
- fmode: Quantize and box modal filter a list of 1D or 2D images
- frmedian: Quantize and ring median filter a list of 1D or 2D images
- frmode: Quantize and ring modal filter a list of 1D or 2D images
- gauss: Convolve a list of 1 or 2-D images with an elliptical Gaussian
- gradient: Convolve a list of 1 or 2-D images with a gradient operator
- laplace: Laplacian filter a list of 1 or 2-D images
- median: Median box filter a list of 1D or 2D images
- mode: Modal box filter a list of 1D or 2D images
- rmedian: Ring median filter a list of 1D or 2D images
- rmode: Ring modal filter a list of 1D or 2D images
- runmed: Running median a list of images at each pixel position