The following sources provided great help with understanding SVD:
Hopcroft, J. and Kannan, R. (2012). Computer Science Theory for the Information Age. 1st ed. [ebook] pp.110 – 141. Available at: https://www.cs.cmu.edu/~venkatg/teaching/CStheory-infoage/hopcroft-kannan-feb2012.pdf [Accessed 15 Nov. 2017].
Krishnasree, V. and Divija, T. (2017). Suitable Image Retrieval for IOT Application. International Journal of Recent Innovation in Engineering and Research, [online] 2(8), pp.100 – 106. Available at: https://ijrier.com/published-papers/volume-2/issue-8/suitable-image-retrieval-for-iot-application.pdf [Accessed 17 Nov. 2017].
Staff.imsa.edu. (2017). [online] Available at: https://staff.imsa.edu/~fogel/LinAlg/PDF/50%20Application%20of%20the%20SVD.pdf [Accessed 17 Nov. 2017].
Image Compression 