H. B. Kekre and Kavita Patil, Standard Deviation of Mean and Variance of Rows and Columns of Images for CBIR. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2009, vol. 27(3). 570 - 573 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/6125.