TY - Smart Agriculture A1 - LONG Jiehua, GUO Wenzhong, LIN Sen, WEN Chaowu, ZHANG Yu, ZHAO Chunjiang T1 - Strawberry Growth Period Recognition Method Under Greenhouse Environment Based on Improved YOLOv4 Y1 - 2021-12-30 JF - Smart Agriculture JO - Smart Agriculture SP - 99 EP - 110 VL - 3 IS - 4 UR - http://www.smartag.net.cn N1 - 10.12133/j.smartag.2021.3.4.202109-SA006 ER -