Weakness: - One drawback is that the idea of dropping a spatial region in training is not new. Cutout [22] and [a] have been explored this direction. The difference towards previous dropout variants is marginal. [a] CVPR'17. A-Fast-RCNN: Hard Positive Generation via Adversary for Object Detection. - The improvement over previous methods is small, about 0.2%-1%. Also the results in Table 1 and Fig.5 don't report the mean and standard deviation, and whether the difference is statistically significant is hard to know. I will suggest to repeat the experiments and conduct statistical significance analysis on the numbers. Thus, due to the limited novelty and marginal improvement, I suggest to reject the paper.
- The improvement over previous methods is small, about 0.2%-1%. Also the results in Table 1 and Fig.5 don't report the mean and standard deviation, and whether the difference is statistically significant is hard to know. I will suggest to repeat the experiments and conduct statistical significance analysis on the numbers. Thus, due to the limited novelty and marginal improvement, I suggest to reject the paper.