set pixel as candidate[seed]
FT Edit: Access on iOS and web
，详情可参考搜狗输入法2026
常用于： 自归一化神经网络（Self-Normalizing NN）。。业内人士推荐搜狗输入法2026作为进阶阅读
This moves confusable detection from “is this character in confusables.txt?” to “how confusable is this character, in which fonts, and at what threshold should we act?”