Try to look for some papers on this. There's an algorithm to find the poincare index, then from the poincare index, you can locate the core points.
Briefly is as following,
- Compute directional field on the fingerprint image
- Compute poincare index of every pixel from the directional field info
- Poincare Index with 180 degree will be the core point
hi plz help mee am making a simple finger print matching project, can you tell me what algo are used for simple, and how it code translate in c language