What kind of data-augmentation?

[youngwanLEE]

I wonder what kind of data-augmentation you used in training.

Thank you :)

[shicai]

scale & aspect ratio augmentation.

[408550969]

caffe how to implement centre crop? The default is random crop
would you mind share train.prototxt? Thanks!

[shicai]

in test phase, center crop is the the default setting.

[408550969]

Thanks

[408550969]

May I ask another question?
What is the use of scale?I know it can adjust the value of data to 0-4.352

[shicai]

Lots of guys asked me this question.
You can find answers here: shicai/MobileNet-Caffe#17
(If you are Chinese, you can also take a look at this link: https://www.zhihu.com/question/63649386/answer/211508137)

[408550969]

Thanks!

[miraclewkf]

You only use scale and aspect ratio augmentation in training? What is the parameter of aspect ratio you set? You don't use random_mirror in training?

[miraclewkf]

One more question, do you resize the original image to one size (for example, resize shorter side to 256) before other data argumentations during training?