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#ifndef _GIFT_FEATURES
#define _GIFT_FEATURES
/* feature classes */
#define COL_POS 0 /* a colour in a specific position (and at a
specific scale) */
#define COL_HST 1 /* the proportion of a given colour */
#define GABOR_POS 2 /* the value of a Gabor filter in a particular
position */
#define GABOR_HST 3 /* the proportion of a particular value of a Gabor
filter in the image */
#define FREQ_MAX 0xff /* since we will use FLOATS to store frequencies we want high resolution (WM) */
typedef unsigned int freq_type;
typedef struct _FEATURE_DATA {
int id;
freq_type frequency; /* i.e. f = frequency/FREQ_MAX */
} FEATURE_DATA;
/* use primitive hacks by Wolfgang for
adapting to Wolfgang's code */
#define WOLFGANG_HACK
#endif
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