Fig. 4

Still images from inference results of four representative cases in the testing set. The EfficentNet_b7+LSTM with memory length of 20 is used for the inference. (a) Case14 (Supplementary Video case14.mp4). (b) Case19 (Supplementary Video case19.mp4). (c) Case20 (Supplementary Video case20.mp4). (d) Case24 (Supplementary Video case24.mp4).