“…Most of used features are statistical such as connected component width, height, aspect ratio, area and density and separator length between two successive connected components [13], connected component profiles analysis [10], loop aspect ratio [1], pixel distribution and upper lower profile by [3], baseline profile features, word physical sizes, overlapping areas, crossing count histogram [2], bi-level co-occurrence [9], run-length histogram [4], Gabor filters [6] and [38], steerable pyramids transform [7] or structural (ascenders, descenders, loops, diacritic signs, etc. ).…”