Detection of Touchscreen-Based Urdu Braille Characters Using Machine Learning Techniques

Figure 4

(a) ROC curve for category-1 (ﺫ - ﺍ) using DT. (b) ROC curve for category-2 (ﻒ - ﺮ) using DT. (c) ROC curve for category-3 (ے - ﻕ) using DT.

(a)

(b)

(c)