An Improved Self-Training Model with Fine-Tuning Teacher/Student Exchange Strategy to Detect Computer-Generated Images

Table 1

Comparison of three datasets implemented in our experiment.

Dataset	Natural image number	CG image number	Image size
Columbia [5]	1600	1600	276 ^∗ 421∼1398 ^∗ 1404
DSTok [37]	4850	4850	609 ^∗ 603∼3507 ^∗ 2737
SPL2018 [23]	6800	6800	266 ^∗ 199∼2048 ^∗ 3200