If you use any of these circuits please cite the article
VASICEK Zdenek and MRAZEK Vojtech. Trading between Quality and Non-functional Properties of Median Filter in Embedded Systems. Genetic Programming and Evolvable Machines. Berlin: Springer Verlag, 2017, vol. 2017, no. 1, pp. 45-82. ISSN 1389-2576.
doi:10.1007/s10710-016-9275-7
doi:10.1007/s10710-016-9275-7
Authors:
Vojtech Mrazek and Zdenek VasicekQuality:
Measured quality is detaily described in the paper. Basicly it is comparator network with reduced size. Quality can be measured as a histogram of distance errors d, i.e. probability that we get (n+d)th smallest value from the sequence.
Header:
Global header that looks like this one with specification of min, max operations and variable length must be used.#ifndef MEDIAN_H #define MEDIAN_H #ifdef __cplusplus extern "C" { #endif #include <stdint.h> typedef int16_t med_type; #define MED_SIZE 25 #define min(a,b) ((a>b)?b:a) #define max(a,b) ((a>b)?a:b) med_type median(med_type * din); #ifdef __cplusplus } #endif #endif /* MEDIAN_H */
C codes:
9-input median:
11-input median:
13-input median:
- median.000.c (C)
- median.017.c (C)
- median.018.c (C)
- median.024.c (C)
- median.025.c (C)
- median.026.c (C)
- median.031.c (C)
- median.032.c (C)
- median.033.c (C)
- median.034.c (C)
- median.035.c (C)
- median.038.c (C)
- median.040.c (C)
- median.041.c (C)
- median.047.c (C)
- median.048.c (C)
- median.050.c (C)
- median.058.c (C)
- median.066.c (C)