Computer Vision, Pattern Recognition, Image Processing, and Graphics 6th National Conference, NCVPRIPG 2017, Mandi, India, December 16-19, 2017, Revised Selected Papers - Rameshan, Renu; Rameshan, Renu; Arora, Chetan; Arora, Chetan; Dutta Roy, Sumantra; Dutta Roy, Sumantra (Springer Singapore : Imprint: Springer, 2018)