“…A number of works on image retrieval based on meta-data have been published recently, including image retrieval using a binary index and a signature tree (Manolopoulos et al, 2003), a similar image retrieval method based on the binary signature (Chappell and Geva, 2013), color image retrieval based on the binary signature , a color-based image retrieval technique that uses a spiral 425 bit-string representation for the color content of an image (Abdesselam et al, 2010), image retrieval based on the similarity measure EMD and the S-tree (Le and Van, 2013), color image retrieval using the Hamming distance and the S-tree ( Van and Le, 2014a), image retrieval based on the signature graph ( Van and Le, 2014c;2014b), multimedia content-based visual retrieval based on the binary signature of the SIFT (Zhou et al, 2014), image matching using a variable-length signature of the image (Liu et al, 2015), video matching using the binary signature (Li et al, 2005), content-based video using a geometric relation based on the binary signature (Ozkan et al, 2014), etc.…”