Comments (4)
Thank you for your answers!
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The threshold values I used are 0.05, 0.3, 0.3.
But I did not experiment on a lot of different combinations, so it's highly possible that they're not the best parameters.
Calibration nets do not require negative samples, or do you mean the total number of training samples?
I used roughly 1 million samples evenly split into 45 categories.
I did test on AFW, and the results were also not as great as in the paper.
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Thanks! I'm sorry that I meant to ask about the negative samples in training fc24 and fc48. In my experiment, I can only get around ~50K for fc24. Another problem about training data. In the paper, the authors generate square annotations to approach the ellipse face annotations on AFLW without explaining how the rectangles are genrated. But the official dataset contains rectangles annotation and it's different from the example annotation in the paper. Do you use the annotation coming along with the dataset or generate it by yourself?
from cnn_face_detection.
Yeah, if you do hard negative mining, it's hard to get more training samples than 50K.
I directly used the annotations provided by the dataset.
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Related Issues (20)
- About the result after running HOT 4
- Number of face detected in 2002/07/19/big/img_352.jpg HOT 1
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- 3000 images without any faces (negative images) HOT 2
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