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#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <math.h>
#include <string.h>
#include <unistd.h>
#include <ppm.h>
//#include "extract_features.proto"
int main(int argc, char *argv[]) {
FILE *ppm_file;
PPM *im_hsv, *im_quant;
int *colmap, colmap_size;
enum file_types ppm_type;
enum ppm_error the_error;
int numH, numS, numV, numGrey;
switch(argc) {
case 5:
numH = atoi(argv[1]);
numS = atoi(argv[2]);
numV = atoi(argv[3]);
numGrey = atoi(argv[4]);
break;
case 1:
numH = 18;
numS = 3;
numV = 3;
numGrey = 4;
break;
default:
fprintf(stderr, "Usage: %s [numH, numS, numV, numGrey] < ppm_file \n\n", argv[0]);
exit(1);
break;
}
ppm_file = stdin;
/* read the hsv image from we are going to extract features */
switch(ppm_type = read_magic_no(ppm_file)) {
case PGM_ASC: case PPM_ASC: case PGM_RAW: case PPM_RAW:
if ((the_error = read_ppm(ppm_file, &im_hsv, ppm_type)) != PPM_OK) {
ppm_handle_error(the_error);
exit(1);
}
break;
default:
fprintf(stderr, "Unrecognized file type.\n");
exit(1);
break;
}
/* quantize the image */
colmap_size = numH*numS*numV + numGrey;
if ((the_error = hsv_quantize_ppm(im_hsv, &im_quant, &colmap, numH, numS, numV, numGrey)) != PPM_OK) {
ppm_handle_error(the_error);
exit(1);
}
/* initialise the variables required for the feature extraction */
init_feature_variables(colmap_size);
/* write them to the file */
if ((the_error = write_feature_descriptions(stdout, colmap, colmap_size)) != PPM_OK) {
ppm_handle_error(the_error);
exit(1);
}
/* everything is OK */
destroy_ppm(&im_hsv);
destroy_ppm(&im_quant);
free(colmap);
exit(0);
}
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