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Rework some image handling; add public binarization API

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I want to offer the ability for an application to view a binarized
version of a scanned print. This lead onto a few changes:

 1. Store minutiae and binarized data inside fp_img
 2. Move resize code to the capture path, it previously happened much
    later.
 3. Add fp_img_binarize() to return a new image in binarized form.
 4. Add a BINARIZED_FORM flag to prevent an image being binarized again.

In future, it would be nice to be able to binarize without detecting
minutiae, but this involves some work on the NBIS interaction.
This commit is contained in:
Daniel Drake
2007-11-17 12:46:00 +00:00
parent 72c304999a
commit ba24c0884a
8 changed files with 198 additions and 106 deletions
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libfprint/fprint.h
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@@ -212,6 +212,7 @@ int fp_img_get_width(struct fp_img *img);
unsigned char *fp_img_get_data(struct fp_img *img);
int fp_img_save_to_file(struct fp_img *img, char *path);
void fp_img_standardize(struct fp_img *img);
struct fp_img *fp_img_binarize(struct fp_img *img);
void fp_img_free(struct fp_img *img);
/* Library */