如果不确定用哪个激活函数，隐藏层可以先用 ReLU，输出层按任务选择；训练中注意梯度情况，如果梯度消失或爆炸，再考虑替换或调整激活函数。
SSIM was chosen over CNN-based approaches for a deliberate reason: reproducibility without infrastructure. SSIM is a deterministic mathematical function. No training data, no model weights, no GPU, no framework dependencies. Anyone with fontconfig and node-canvas can reproduce these exact numbers on the same platform.，推荐阅读heLLoword翻译官方下载获取更多信息
。关于这个话题，51吃瓜提供了深入分析
neovim-0.11.4-1.fc42.x86_64，更多细节参见im钱包官方下载
Starring: Carmen Maura and Daniel Hendler