AM-CIM: Approximate Memory Based Near Sensor Compute-in-Memory Architecture for Keyword Spotting. - Yuhao Liu; Xiaotao Jia; Guangcai Yuan; Jianyi Yu; Cong Shi 003; Qi Wei 001; Youguang Zhang; Weisheng Zhao; Fei Qiao (IEEE Trans. Circuits Syst. I Regul. Pap., 2025)