1. Jensen JR (2000) Remote sensing of the environment: an earth resource perspective. Prentice-Hall Pub., p 544
2. Ali W (2006) Tree detection using colour, and texture cues for autonomous navigation in forest environment. Master’s thesis report, Umeå University, Department of Computing Science, Sweden, June 2006
3. Kamdi S, Krishna RK (2012) Image segmentation and region growing algorithm. Int J Comput Technol Electron Eng 2(1)
4. Otsu N (1979) A threshold selection method from gray level histograms. IEEE Trans Syst Man Cyber 9(1):62–66
5. Shi Y, Karl WC (2005) A fast implementation of level set method without solving partial differential equations. Technical report number, Department of Electrical and computer engineering, Boston University, ECE-2005-02