24h-Naver2018AIHack-Vision

"24시간이모자라" 팀의 Naver AI Hackathon 2018 코드 및 기록입니다.

Results

#2

Logs

1차

• 1000 classification : 0.65

2차

• 1383 classification : 0.28
• siamese network, triplet loss metric learning : 0.53
• euclidean distance & l2_norm : 0.72
• semi hard sampling : 0.823

결선

• train classification & metric fine tuning : 0.858
• base change/densenet169 : 0.869
• euclidean -> cossim : 0.889
• query expansion(step 2) : 0.890
• query expansion(step 5, n 5) + cossim : 0.918
• query expansion(step 10, n 5) + cossim : 0.9201
• ensemblem : 0.9380