Table 3 Comparison of proposed method and manual observation for estimation of heading stage
From: Automatic estimation of heading date of paddy rice using deep learning
Dataset | Transplanting dates | 1st panicle appearance (field observed) | 50%flowering dates (field observed) | 50%flowering dates (estimated) | Estimation error (days) |
|---|---|---|---|---|---|
Kinmaze | 05/31/2013 | 08/21/2013 | 08/24/2013 | 08/26/2013 | +2 |
day 0 | day 83 | day 86 | day 88 | ||
Kamenoo | 05/31/2013 | 08/20/2013 | 08/23/2013, | 08/24/2013, | +1 |
day 0 | day 82 | day 85 | day 86 | ||
Koshihikari-1 | 05/29/2014 | 08/02/2014 | 08/05/2014, | 08/06/2014, | +1 |
day 0 | day 67 | day 70 | day 71 | ||
Koshihikari-2 | 05/29/2014 | 08/03/2014 | 08/06/2014 | 08/06/2014 | 0 |
day 0 | day 68 | day 71 | day 71 | ||
Koshihikari-3 | 05/29/2014 | 08/04/2014 | 08/07/2014, | 08/07/2014, | 0 |
day 0 | day 69 | day 72 | day 72 | ||
Mean absolute error (days) | 0.8 | ||||