Viseme set identification from Malayalam phonemes and allophones. - K. T. Bibish Kumar; R. K. Sunil Kumar; E. P. A. Sandesh; S. Sourabh; V. L. Lajish (Int. J. Speech Technol., 2019)

Reconstruction of Phase Space and Eigenvalue Decomposition from a Biological Time Series: A Malayalam Speech Signal Case Study. - K. M. Muraleedharan; K. T. Bibish Kumar; Sunil Kumar; R. K. Sunil John (J. Interconnect. Networks, 2022)

Combined Use of Nonlinear Measures for Analyzing Pathological Voices. - K. M. Muraleedharan; K. T. Bibish Kumar; Sunil John; R. K. Sunil Kumar (Int. J. Image Graph., 2024)