10. An apparatus comprising at least one processor and at least one memory storing computer program code, wherein the at least one memory and stored computer program code are configured, with the at least one processor, to cause the apparatus to at least: calculate an alpha value associated with an image region containing a hypothesized text fragment, the alpha value being defined as a function of a curved character length distribution, a character width distribution, and an inter-character spacing distribution for the hypothesized text fragment; calculate a gamma value based at least in part on an interval length distribution determined for the hypothesized text fragment; and classify whether the image region is a text-containing region based at least in part on the calculated alpha and gamma values.
12. The apparatus of claim 10 , wherein the at least one memory and stored computer program code are configured, with the at least one processor, to cause the apparatus to calculate the alpha value based at least in part on an occupancy ratio defining a ratio of an area of the determined image region occupied by the hypothesized text fragment to a total area of the determined image region and on a stroke-width for the hypothesized text fragment.