References

Acea, M.J., N. Diz and A. Prieto-Fernandez, 2001. Microbial populations in heated soils inoculated with cyanobacteria. Biol. Fertil. Soils, 33: 118-125.
Direct Link  |  

Adams, D.G., 2000. Heterocyst formation in cyanobacteria. Curr. Opin. Microbiol., 3: 618-624.
Direct Link  |  

Benjamin, P., E. Pelosi, F. Juttner and B. Pushparaj, 1999. Toxicological analysis of the marine cyanobacterium Nodularia harveyana. J. Applied Phycol., 10: 527-530.

Berman-Frank, I., P. Lundgren and P. Falkowski, 2003. Nitrogen fixation and photosynthetic oxygen evolution in cyanobacteria. Res. Microbiol., 154: 157-164.
Direct Link  |  

Bohme, H., 1998. Regulation of nitrogen fixation in heterocyst-forming cyanobacteria. Trends Plant Sci., 3: 346-351.
Direct Link  |  

Boraste, A., K.K. Vamsi, A. Jhadav, Y. Khairnar and N. Gupta et al., 2009. Biofertilizers: A novel tool for agriculture. Int. J. Microbiol. Res., 1: 23-31.
Direct Link  |  

Boraste, A., K.K. Vamsi, A. Jhadav, Y. Khairnar and N. Gupta et al., 2009. Biofertilizers: A novel tool for agriculture. Int. J. Microbiol. Res., 1: 23-31.
Direct Link  |  

Choudhury, A.T.M.A. and I.R. Kennedy, 2004. Prospects and potentials for systems of biological nitrogen fixation in sustainable rice production. Biol. Fertil. Soils, 39: 219-227.
CrossRef  |  Direct Link  |  

Choudhury, A.T.M.A. and I.R. Kennedy, 2004. Prospects and potentials for systems of biological nitrogen fixation in sustainable rice production. Biol. Fertil. Soils, 39: 219-227.
CrossRef  |  Direct Link  |  

D'Orazio, T., C. Guaragnella, M. Leo and A. Distante, 2004. A new algorithm for ball recognition using circle Hough transform and neural classifier. Pattern Recogn., 37: 393-408.
Direct Link  |  

Fay, P., 1992. Oxygen relation of nitrogen fixation in cyanobacteria. Microbiol. Rev., 56: 340-373.
Direct Link  |  

Flores, E. and A. Herrero, 2005. Nitrogen assimilation and nitrogen control in cyanobacteria. Biochem. Soc. Tran., 33: 164-167.
Direct Link  |  

Gundale, M.J., M. Nilsson, S. Bansal and A. Jaderlund, 2012. The interactive effects of temperature and light on biological nitrogen fixation in boreal forests. N. Phytol., 194: 453-463.
CrossRef  |  Direct Link  |  

Joehnk, K.D., J.E.F. Huisman, J. Sharples, B.E.N. Sommeijer and P.M. Visser et al., 2008. Summer heatwaves promote blooms of harmful cyanobacteria. Global Change Biol., 14: 495-512.
CrossRef  |  

Kardinaal, W.E.A., L. Tonk, I. Janse, S. Hol and P. Slot et al., 2007. Competition for light between toxic and nontoxic strains of the harmful cyanobacterium Microcystis. Appl. Environ. Microbiol., 73: 2939-2946.
CrossRef  |  Direct Link  |  

Kawaguchi, T., D. Hidaka and M. Rizon, 2000. Detection of eyes from human faces by Hough transform and separability filter. Proceedings of the IEEE 3rd International Conference Image on Processing, Sept. 10-13, IEEE Xplore Press, Vancouver, BC., Canada, pp: 49-52.

Mosleh, M.A., H. Manssor, S. Malek, P. Milow and A. Salleh, 2012. A preliminary study on automated freshwater algae recognition and classification system. Proceedings of the 11th International Conference on Bioinformatics (InCoB2012) Volume 13, June 15-30, 2012, Springer, Berlin, Germany, pp: S25-S25.

Murry, M.A., A.J. Horne and J.R. Benemann, 1984. Physiological studies of oxygen protection mechanisms in the heterocysts of Anabaena cylindrica. Appl. Environ. Microbiol., 47: 449-454.
Direct Link  |  

Orozco, C.C., D.D. Risser and S.M. Callahan, 2006. Epistasis analysis of four genes from Anabaena sp., strain PCC 7120 suggests a connection between PatA and PatS in heterocyst pattern formation. J. Bacteriol., 188: 1808-1816.
CrossRef  |  Direct Link  |  

Pedersen, S.J.K., 2007. Circular hough transform. Master Thesis, Aalborg University, Aalborg, Denmark.

Persoon, E. and K.S. Fu, 1977. Shape discrimination using Fourier descriptors. IEEE. Trans. Syst. Man Cybern., 7: 170-179.
CrossRef  |  Direct Link  |  

Platt, J., 1999. Fast Training of Support Vector Machines Using Sequential Minimal Optimization Advances in Kernel Methods, Support Vector Learning. 1st Edn., MIT Press, Cambridge, ISBN: 0-262-19416-3.

Rao, C.S.V., 1994. Antimicrobial activity of cyanobacteria. Intl. J. Mar. Sc., 23: 55-56.

Richard, O.D., E.H. Peter and G.S. David, 2000. Pattern Classification. 2nd Edn., Wiley, Hoboken, New Jersey, USA., ISBN:9780471056690, Pages:654.

Rizon, M., H. Yazid, P. Saad, A.Y.M. Shakaff and A.R. Saad et al., 2005. Object detection using circular hough transform. Am. J. Applied Sci., 2: 1606-1609.
CrossRef  |  Direct Link  |  

Rulaningtyas, R., A.B. Suksmono and T.L. Mengko, 2011. Automatic classification of tuberculosis bacteria using neural network. Proceedings of the 2011 International Conference on Electrical Engineering and Informatics (ICEEI), July 17-19, 2011, IEEE, Bandung, Indonesia, ISBN:978-1-4577-0753-7, pp: 1-4.

Ruusuvuori, P., J. Seppala, T. Erkkila, A. Lehmussola and J.A. Puhakka, 2008. Efficient automated method for image-based classification of microbial cells. Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), December 8-11, 2008, IEEE, Tampa, Florida, USA., ISBN:978-1-4244-2174-9, pp: 1-4.

Schlegel, I., N.T. Doan, N. De Chazol, G.D. Smith, 1999. Antibiotic activity of new cyanobacterial isolates from Australia and Asia against green algae and cyanobacteria. J. Applied Phycol., 10: 471-479.
Direct Link  |  

Sharifi, M., M. Fathy and M.T. Mahmoudi, 2002. A classified and comparative study of edge detection algorithms. Proceeding of the International Conference on Information Technology: Coding and Computing, April 8-10, IEEE Computer Society, Washington DC. USA., pp: 117-120.

Tao, W., H. Jin and Y. Zhang, 2007. Color image segmentation based on mean shift and normalized cuts. Syst. Man Cybern. Part B IEEE. Trans., 37: 1382-1389.
CrossRef  |  PubMed  |  Direct Link  |  

Varshney, S.S., N. Rajpa and R. Purwar, 2009. Comparative study of image segmentation techniques and object matching using segmentation. Proceeding of the International Conference on Methods and Models in Computer Science, December 14-15, 2009, Delhi, India, pp: 1-6.

Whitton, B.A. and M. Potts., 2000. The ecology of Cyanobacteria: Their Diversity in Time and Space. Kluwer Academic Publishers, Dordrecht, The Netherlands, Pages: 668.

Wolk, C.P., 2000. Heterocyst Formation in Anabaena. In: Prokaryotic Development, Brun, Y.V. and L.J. Shimkets (Eds.). American Society for Microbiology, Washington, DC., pp: 83-104.

Yang, H., W. Liu, K. Xing, J. Qiao and X. Wang et al., 2010. Research on insect identification based on pattern recognition technology. Proceedings of the 2010 6th International Conference on Natural Computation (ICNC) Vol. 2, August 10-12, 2010, IEEE, Yantai, China, ISBN:978-1-4244-5958-2, pp: 545-548.

Zanchett, G. and E.C. Oliveira-Filho, 2013. Cyanobacteria and cyanotoxins: From impacts on aquatic ecosystems and human health to anticarcinogenic effects. Toxins, 5: 1896-1917.
CrossRef  |  Direct Link  |  

Zhang, C.C., S. Laurent, S. Sakr, L. Peng and S. Bedu, 2006. Heterocyst differentiation and pattern formation in cyanobacteria: A chorus of signals. Mol. Microbiol., 59: 367-375.
CrossRef  |  Direct Link  |