Deep Learning for Computer Vision A-Classification LeNet AlexNet VGG GoogLeNet ResNet ResNeXt DenseNet MobileNet ShuffleNet EfficientNet EfficientNetV2 RegNet ConvNeXt B-Detection SSD Faster_RCNN Mask_RCNN RetinaNet train_coco_dataset yolov3 Yolov3_spp yolov5 ultralytics