Improved BTC Algorithm for Gray Scale Images Using K-Means Quad Clustering. - Jayamol Mathews; Madhu S. Nair; Liza Jo (ICONIP (4), 2012)

A Novel Color Image Coding Technique Using Improved BTC with k-means Quad Clustering. - Jayamol Mathews; Madhu S. Nair; Liza Jo (SIRS, 2014)

Adaptive block truncation coding technique using edge-based quantization approach. - Jayamol Mathews; Madhu S. Nair (Comput. Electr. Eng., 2015)