diff options
Diffstat (limited to 'libfprint/fpi-print.c')
| -rw-r--r-- | libfprint/fpi-print.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/libfprint/fpi-print.c b/libfprint/fpi-print.c index 16877b8..fa1a185 100644 --- a/libfprint/fpi-print.c +++ b/libfprint/fpi-print.c @@ -154,11 +154,14 @@ minutiae_to_xyt (struct fp_minutiae *minutiae, gboolean fpi_print_add_from_image (FpPrint *print, FpImage *image, + gint bz3_threshold, GError **error) { + g_autofree struct xyt_struct *xyt = NULL; GPtrArray *minutiae; struct fp_minutiae _minutiae; - struct xyt_struct *xyt; + gint probe_len; + gint score; if (print->type != FPI_PRINT_NBIS || !image) { @@ -173,8 +176,8 @@ fpi_print_add_from_image (FpPrint *print, if (!minutiae || minutiae->len == 0) { g_set_error (error, - G_IO_ERROR, - G_IO_ERROR_INVALID_DATA, + FP_DEVICE_RETRY, + FP_DEVICE_RETRY_GENERAL, "No minutiae found in image or not yet detected!"); return FALSE; } @@ -185,7 +188,20 @@ fpi_print_add_from_image (FpPrint *print, xyt = g_new0 (struct xyt_struct, 1); minutiae_to_xyt (&_minutiae, image->width, image->height, xyt); - g_ptr_array_add (print->prints, xyt); + + probe_len = bozorth_probe_init (xyt); + score = bozorth_to_gallery (probe_len, xyt, xyt); + fp_dbg ("self-match score %d/%d", score, bz3_threshold); + if (score <= bz3_threshold) + { + g_set_error (error, + FP_DEVICE_RETRY, + FP_DEVICE_RETRY_GENERAL, + "Not enough minutiae to generate a match!"); + return FPI_MATCH_SUCCESS; + } + + g_ptr_array_add (print->prints, g_steal_pointer (&xyt)); g_clear_object (&print->image); print->image = g_object_ref (image); |