Table 5 Summary of frame features employed in our study
From: Segmentation-free optical character recognition for printed Urdu text
Features | Description | Dimensionality |
|---|---|---|
f1 | Hu’s moments | 7 |
f2 | Horizontal projection of Zernike energy | 32 |
f3 | Vertical projection of Zernike energy | 32 |
f4 | Mean of horizontal projection of Zernike energy | 1 |
f5 | Mean of vertical projection of Zernike energy | 1 |
f6 | Horizontal projection of FFT energy | 32 |
f7 | Vertical projection of FFT energy | 9 |
f8 | Mean of horizontal projection of FFT energy | 1 |
f9 | Mean of vertical projection of FFT energy | 1 |
Total | 116 | |