Reading Note: S^3FD: Single Shot Scale-invariant Face Detector
TITLE:$S^3FD$:SingleShotScale-invariantFaceDetectorAUTHOR:ShifengZhang,XiangyuZhu,ZhenLei,HailinShi,XiaoboWang,StanZ.LiASSOCIATION:ChineseAcademyofSciencesFROM:arXiv:1708.05237CONTRIBUTIONProposingasc