# Quality lignite coal detection with discrete wavelet transform, discrete fourier transform, and ANN based on k-means clustering method

> Research article (2018 6th International Symposium on Digital Forensic and Security (ISDFS), 2018) · cited 12× · AI/ML

**Wikidata**: [openalex:W2801104487](https://www.wikidata.org/wiki/openalex:W2801104487)  
**Source**: https://4ort.xyz/entity/quality-lignite-coal-detection-with-discrete-wavelet-transform-discrete-fourier-transform-and-ann-based-on-k-means-clust