int fpi_img_compare_print_data_to_gallery(struct fp_print_data *print,
struct fp_print_data **gallery, int match_threshold, size_t *match_offset)
{
struct xyt_struct *pstruct = (struct xyt_struct *) print->data;
struct fp_print_data *gallery_print;
int probe_len = bozorth_probe_init(pstruct);
size_t i = 0;
while ((gallery_print = gallery[i++])) {
struct xyt_struct *gstruct = (struct xyt_struct *) gallery_print->data;
int r = bozorth_to_gallery(probe_len, pstruct, gstruct);
if (r >= match_threshold) {
*match_offset = i - 1;
return FP_VERIFY_MATCH;
}
}
return FP_VERIFY_NO_MATCH;
}
int fpi_img_compare_print_data_to_gallery(struct fp_print_data *print,
struct fp_print_data **gallery, int match_threshold, size_t *match_offset)
{
struct xyt_struct *pstruct;
struct xyt_struct *gstruct;
struct fp_print_data *gallery_print;
struct fp_print_data_item *data_item;
int probe_len;
size_t i = 0;
int r;
GSList *list_item;
if (g_slist_length(print->prints) != 1) {
fp_err("new_print contains more than one sample, is it enrolled print?");
return -EINVAL;
}
data_item = print->prints->data;
pstruct = (struct xyt_struct *)data_item->data;
probe_len = bozorth_probe_init(pstruct);
while ((gallery_print = gallery[i++])) {
list_item = gallery_print->prints;
do {
data_item = list_item->data;
gstruct = (struct xyt_struct *)data_item->data;
r = bozorth_to_gallery(probe_len, pstruct, gstruct);
if (r >= match_threshold) {
*match_offset = i - 1;
return FP_VERIFY_MATCH;
}
list_item = g_slist_next(list_item);
} while (list_item);
}
return FP_VERIFY_NO_MATCH;
}
int fpi_img_compare_print_data(struct fp_print_data *enrolled_print,
struct fp_print_data *new_print)
{
int score, max_score = 0, probe_len;
struct xyt_struct *pstruct = NULL;
struct xyt_struct *gstruct = NULL;
struct fp_print_data_item *data_item;
GSList *list_item;
if (enrolled_print->type != PRINT_DATA_NBIS_MINUTIAE ||
new_print->type != PRINT_DATA_NBIS_MINUTIAE) {
fp_err("invalid print format");
return -EINVAL;
}
if (g_slist_length(new_print->prints) != 1) {
fp_err("new_print contains more than one sample, is it enrolled print?");
return -EINVAL;
}
data_item = new_print->prints->data;
pstruct = (struct xyt_struct *)data_item->data;
probe_len = bozorth_probe_init(pstruct);
list_item = enrolled_print->prints;
do {
data_item = list_item->data;
gstruct = (struct xyt_struct *)data_item->data;
score = bozorth_to_gallery(probe_len, pstruct, gstruct);
fp_dbg("score %d", score);
max_score = max(score, max_score);
list_item = g_slist_next(list_item);
} while (list_item);
return max_score;
}
