Funding Statement: This work is supported by the National Natural Science Foundation of China under Grant 61772179, the Hunan Provincial Natural Science Foundation of China under Grant 2019JJ40005, the Science and Technology Plan Project of Hunan Province under Grant 2016TP1020, the Double First-Class University Project of Hunan Province under Grant Xiangjiaotong [2018]469, the Open Fund Project of Hunan Provincial Key Laboratory of Intelligent Information Processing and Application for Hengyang Normal University under Grant IIPA19K02, and the Science Foundation of Hengyang Normal University under Grant 19QD13.