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Article 7 — Appendix A.1

Alpha-trimmed mean filter source code

Category. Digital signal and image processing (DSP and DIP) software development.

Description. Alpha-trimmed mean filter C++ source code — header file.

Reference. Alpha-trimmed mean filter C++ source code — implementation file.

Download alpha-trimmed mean filter C++ source code (zip, 2 Kb)

alphatrimmedmeanfilter.h

//   alphatrimmedmeanfilter.h - declarations for 
//   1D and 2D alpha-trimmed mean filter routines
//
//   The code is property of LIBROW
//   You can use it on your own
//   When utilizing credit LIBROW site

#ifndef _ALPHATRIMMEDMEANFILTER_H_
#define _ALPHATRIMMEDMEANFILTER_H_

//   Signal/image element type
typedef double element;

//   1D ALPHA-TRIMMED MEAN FILTER, window size 5
//     signal - input signal
//     result - output signal, NULL for inplace processing
//     N      - length of the signal
//     alpha  - filter alpha parameter
void alphatrimmedmeanfilter(element* signal, element* result, int N, int alpha);

//   2D ALPHA-TRIMMED MEAN FILTER, window size 3x3
//     image  - input image
//     result - output image, NULL for inplace processing
//     N      - width of the image
//     M      - height of the image
//     alpha  - filter alpha parameter
void alphatrimmedmeanfilter(element* image, element* result, int N, int M, int alpha);

#endif