# Contactless Fingerprint Image Enhancement Algorithm Based on Hessian Matrix and STFT

> Research article (2017 2nd International Conference on Multimedia and Image Processing (ICMIP), 2017) · cited 12× · AI/ML

**Wikidata**: [openalex:W2776131244](https://www.wikidata.org/wiki/openalex:W2776131244)  
**Source**: https://4ort.xyz/entity/contactless-fingerprint-image-enhancement-algorithm-based-on-hessian-matrix-and-stft