how many pictures are used to train

[seeyourcell]

how many pictures are used to train? I use your code. Boss picture number: 300 other picture number: 300*10 ; (10 persons , everyone have 300 ). the model give accuracy 0.93. I think it is too low. how to improve the accuracy?

[seeyourcell]

I find if i use theano ,the accuracy is 0.99.

[Hironsan]

I used boss picture about 1200 and other is same number.