All of the photos in the paper, both "criminals" and "non-criminals" are from government ids. Though as the article mentions, in the pictured example all the "non-criminals" are wearing collared shirts.
This reeks real hard of overfitting. 2000 images for training a CNN feels so tiny. The paper should have included a learning curve.
This reeks real hard of overfitting. 2000 images for training a CNN feels so tiny. The paper should have included a learning curve.
The paper shouldn't have been written at all.