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-rw-r--r--src/calibrate-detector.c121
1 files changed, 93 insertions, 28 deletions
diff --git a/src/calibrate-detector.c b/src/calibrate-detector.c
index 2e704758..3dc57e4b 100644
--- a/src/calibrate-detector.c
+++ b/src/calibrate-detector.c
@@ -33,6 +33,13 @@
#define INTEGRATION_RADIUS (10)
#define MAX_THREADS (96)
+
+typedef enum
+{
+ SUM_THRESHOLD,
+ SUM_PEAKS
+} SumMethod;
+
struct process_args
{
char *filename;
@@ -42,6 +49,7 @@ struct process_args
double *sum;
int w;
int h;
+ SumMethod sum_method;
};
@@ -58,6 +66,9 @@ static void show_help(const char *s)
" -o, --output=<filename> Output filename for summed image in HDF5 format.\n"
" Default: summed.h5.\n"
"\n"
+" -s, --sum=<method> Use this method for summation. Choose from:\n"
+" peaks : sum 10px radius circles around peaks.\n"
+" threshold : sum thresholded images.\n"
" --filter-cm Perform common-mode noise subtraction on images\n"
" before proceeding.\n"
" --filter-noise Apply an aggressive noise filter which sets all\n"
@@ -67,12 +78,64 @@ static void show_help(const char *s)
}
+static void sum_peaks(struct image *image, double *sum)
+{
+ int x, y, i;
+ int w = image->width;
+ const int lim = INTEGRATION_RADIUS * INTEGRATION_RADIUS;
+
+ search_peaks(image);
+
+ for ( i=0; i<image_feature_count(image->features); i++ ) {
+
+ struct imagefeature *f = image_get_feature(image->features, i);
+ int xp, yp;
+
+ /* This is not an error. */
+ if ( f == NULL ) continue;
+
+ xp = f->x;
+ yp = f->y;
+
+ for ( x=-INTEGRATION_RADIUS; x<+INTEGRATION_RADIUS; x++ ) {
+ for ( y=-INTEGRATION_RADIUS; y<+INTEGRATION_RADIUS; y++ ) {
+
+ /* Circular mask */
+ if ( x*x + y*y > lim ) continue;
+
+ if ( ((x+xp)>=image->width) || ((x+xp)<0) ) continue;
+ if ( ((y+yp)>=image->height) || ((y+yp)<0) ) continue;
+
+ float val = image->data[(x+xp)+w*(y+yp)];
+ sum[(x+xp)+w*(y+yp)] += val;
+
+ }
+ }
+
+ }
+}
+
+
+static void sum_threshold(struct image *image, double *sum)
+{
+ int x, y;
+
+ for ( x=0; x<image->width; x++ ) {
+ for ( y=0; y<image->height; y++ ) {
+ float val = image->data[x+image->width*y];
+ if ( val > 400.0 ) {
+ sum[x+image->width*y] += val;
+ }
+ }
+ }
+}
+
+
static void *process_image(void *pargsv)
{
struct process_args *pargs = pargsv;
struct hdfile *hdfile;
struct image image;
- int x, y, i;
image.features = NULL;
image.data = NULL;
@@ -116,35 +179,15 @@ static void *process_image(void *pargsv)
goto out;
}
- search_peaks(&image);
+ switch ( pargs->sum_method ) {
- const int lim = INTEGRATION_RADIUS * INTEGRATION_RADIUS;
+ case SUM_THRESHOLD :
+ sum_threshold(&image, pargs->sum);
+ break;
- for ( i=0; i<image_feature_count(image.features); i++ ) {
-
- struct imagefeature *f = image_get_feature(image.features, i);
- int xp, yp;
-
- /* This is not an error. */
- if ( f == NULL ) continue;
-
- xp = f->x;
- yp = f->y;
-
- for ( x=-INTEGRATION_RADIUS; x<+INTEGRATION_RADIUS; x++ ) {
- for ( y=-INTEGRATION_RADIUS; y<+INTEGRATION_RADIUS; y++ ) {
-
- /* Circular mask */
- if ( x*x + y*y > lim ) continue;
-
- if ( ((x+xp)>=image.width) || ((x+xp)<0) ) continue;
- if ( ((y+yp)>=image.height) || ((y+yp)<0) ) continue;
-
- float val = image.data[(x+xp)+image.width*(y+yp)];
- pargs->sum[(x+xp)+pargs->w*(y+yp)] += val;
-
- }
- }
+ case SUM_PEAKS :
+ sum_peaks(&image, pargs->sum);
+ break;
}
@@ -197,6 +240,8 @@ int main(int argc, char *argv[])
int config_cmfilter = 0;
int config_noisefilter = 0;
char *prefix = NULL;
+ char *sum_str = NULL;
+ SumMethod sum;
int nthreads = 1;
pthread_t workers[MAX_THREADS];
struct process_args *worker_args[MAX_THREADS];
@@ -213,6 +258,7 @@ int main(int argc, char *argv[])
{"filter-cm", 0, &config_cmfilter, 1},
{"filter-noise", 0, &config_noisefilter, 1},
{"prefix", 1, NULL, 'x'},
+ {"sum", 1, NULL, 's'},
{0, 0, NULL, 0}
};
@@ -241,6 +287,10 @@ int main(int argc, char *argv[])
nthreads = atoi(optarg);
break;
+ case 's' :
+ sum_str = strdup(optarg);
+ break;
+
case 0 :
break;
@@ -264,6 +314,20 @@ int main(int argc, char *argv[])
}
free(filename);
+ if ( sum_str == NULL ) {
+ STATUS("You didn't specify a summation method, so I'm using"
+ " the 'peaks' method, which gives the best results.\n");
+ sum = SUM_PEAKS;
+ } else if ( strcmp(sum_str, "peaks") == 0 ) {
+ sum = SUM_PEAKS;
+ } else if ( strcmp(sum_str, "threshold") == 0) {
+ sum = SUM_THRESHOLD;
+ } else {
+ ERROR("Unrecognised summation method '%s'\n", sum_str);
+ return 1;
+ }
+ free(sum_str);
+
if ( prefix == NULL ) {
prefix = strdup("");
}
@@ -287,6 +351,7 @@ int main(int argc, char *argv[])
worker_args[i]->w = w;
worker_args[i]->h = h;
+ worker_args[i]->sum_method = sum;
}