Enhancing the Power of CNN Using Data Augmentation Techniques for Odia Handwritten Character Recognition

Table 6

Effect of elastic deformation on performance. s and a are sigma and alpha, the parameters of elastic deformation.

Model	NITROHCSv1.0 Odia character database				ISI image Odia numeral database
	Original	s = 4, a = 34	s = 4, a = 32	s = 3, a = 32	Original	s = 4, a = 34	s = 4, a = 32	s = 3, a = 32
M1	97.76	97.78	98.14	97.69	97.10	97.29	97.20	97.10
M2	97.65	97.51	98.02	97.98	96.89	97.60	97.79	96.89
M3	97.76	97.73	98.87	97.96	96.79	97.20	97.39	96.79
M4	97.43	97.56	97.78	97.45	97.20	97.50	97.10	97.20
M5	97.83	97.98	98.89	98.04	97.20	97.69	97.50	97.20