Proposing Algorithm Using YOLOV4 and VGG-16 for Smart-Education

Table 4

Number of images of each letter to be prepared for training.

No. input image	Total equations	Total number of characters	Correct number of characters	Number of correct equations	Correct character ratio	Rate equations correct
Image 1	2	16	16	2	1	1
Image 2	3	21	20	3	0.95	1
Image 3	3	21	21	3	1	1
Image 4 21	3	23	22	3	0.95	1
Image 22	2	30	25	0	0.83	0
Image 23	1	14	13	2	0.92	1