image/svg+xml Atrain Ltrain+ Ltrain- Ltest Atrain 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 ... 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 1101001001 Ltrain+ Ltrain- 01010100 cross-entropy training Lval+ Lval- 01010100 cross-entropy gradient stop criterion Ltest+ Ltest- 01010100 METRICS