Table 1. Database description.

No Database Details
1 Dataset 1 Collected data from 1st Factory
2 Dataset 2 Collected data from 2nd Factory
3 Dataset3 Dataset created from different font styles
4 Dataset 4 -Considering illumination variation.-Reverse color images from datasets 1 to 3
5 Dataset 5 -Considering geometric transformations.-Rotated images from datasets 1 to 4.
6 Test dataset -Collected data from 1st, 2nd and other factories-Collected in different periods of time