Face Detection
Object Dectection
Tracking Paths
Image Processing Steps (Thresholding, Filtering, Smoothening, etc.)
Contours
Image Editing
Along with OpenCV I am familiar with these also.
ANN, CNN
Regression (Linear, Logistic, Polynomial)
SVM
Decesion Tress
Overfitting and Underfitting
Optimizers (Adam, Rmsprop)
Gradient Descent
Metrics - ( Precision, Recall , F1, Accuracy , R2)