resample.h

本文档包括了几何矫正的主体内容

#ifndef RESAMPLE_H
#define RESAMPLE_H
/*Standard  C header files */
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <malloc.h>
/* timer */
#define HAVE_LORES_TIMER
#ifdef HAVE_LORES_TIMER
/* use the low-resolution interval timer system call to collect timings */
#   define USE_TIMER
#   include <time.h>
#   include <sys/timeb.h>
#   define DECLARE_TIME(t)      struct timeval t
#   define GET_TIME(t)     gettimeofday(&t,NULL)
#   define STORE_TIME(code, t0, t1)        \
    timer_ticks[code] += ((t1).tv_usec < (t0).tv_usec) ? \
      (((t1).tv_sec - (t0).tv_sec)*1000000 - ((t0).tv_usec - (t1).tv_usec)):\
      (((t1).tv_sec - (t0).tv_sec)*1000000 + ((t1).tv_usec - (t0).tv_usec));
#endif

/* resampling program header files */
#include <filter.h>
#include <imgfile.h>
#include <ppmfile.h>
#include <least.h>
/* filter */
#define CUBIC_TABLE_FILTER       0
#define BILINEAR_NOTABLE_FILTER  1
#define FILTER_NUM               2
/* timer */
#define CUBIC_TABLE           0          /* compute cubic filter table */
#define RESAMPLING_TIMER      1          /* resampling timer */
#define INVERSE_FUNCTION      2          /* inverse function timer */
#define LEAST_MULT            3
#define VPTIMER_COUNT         4          /* timer number */
/* coarse grid */
#define COARSE_X              100
#define COARSE_Y              100
/* file format */
#define BMP_FORMAT
/*#define PPM_FORMAT*/
#ifndef USE_TIMER
#   define DECLARE_TIME(t)
#   define GET_TIME(t)
#   define STORE_TIME(code, t0, t1)
#endif
unsigned timer_ticks[VPTIMER_COUNT];
#endif /* RESAMPLE_H */