Research Article
Proposing Algorithm Using YOLOV4 and VGG-16 for Smart-Education
Table 2
Number of images of each letter to be prepared for training.
| No. | Characters | Number of images |
| 1 | — | 2177 | 2 | + | 2199 | 3 | = | 2142 | 4 | 0 | 2159 | 5 | 1 | 2255 | 6 | 2 | 2249 | 7 | 3 | 2248 | 8 | 4 | 2233 | 9 | 5 | 2270 | 10 | 6 | 2233 | 11 | 7 | 2174 | 12 | 8 | 2221 | 13 | 9 | 2179 | 14 | a | 2068 | 15 | b | 2220 | 16 | c | 2168 | 18 | d | 2145 | 19 | x | 2177 | 20 | y | 2212 | 21 | z | 1891 |
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