如果验证集缺失或测试集缺失应该怎么办?比如Kinetics-400, Kinetics-400 数据划分说明(官方)推荐方案:发布论文时写法建议: We train our model on the official training split of Kinetics-400 and evaluate on the validation split, following standard practice [1,2]. 附参考资料: [1] Kinetics Dataset 官网 (DeepMind) [2]Kinetics GitHub