Shivakumara, P., B. S. Anami, and G. H. Kumar. “A New Structural No-Reference Rule Based Blur Metric for Classification of Blurred Home Photos”. ECTI Transactions on Electrical Engineering, Electronics, and Communications, vol. 7, no. 1, Feb. 2007, pp. 73-81, doi:10.37936/ecti-eec.200971.171812.