Synchronous positioning and mapping mainly realize the functions of self-positioning and environment map construction for intelligent navigation technology. In order to solve the problems of low positioning accuracy and poor mapping effect of existing SLAM (simultaneous localization and mapping) systems in indoor dynamic environments and to improve the positioning accuracy. timeliness... https://ysjtqyku18wvv.timeblog.net/70683022/an-improved-convolutional-neural-network-cnn-for-disease-detection-and-diagnosis-for-multi-crop-plants