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sfzhang15 / FaceBoxes

FaceBoxes: A CPU Real-time Face Detector with High Accuracy, IJCB, 2017
Apache License 2.0
591 stars 171 forks source link

Expand image augmentation #57

Closed yuanli12139 closed 4 years ago

yuanli12139 commented 4 years ago

Hi @sfzhang15, is there any reason why you didn't use expand_param{} in training like what SSD and RefineDet did?

sfzhang15 commented 4 years ago

@yuanli12139 Expanding is to increase small objects, but FaceBoxes does not detect small faces (<20). Using expanding does not improve the performance.

yuanli12139 commented 4 years ago

@sfzhang15 Understood, thanks!