Build a Pushup counter app with OpenCV and Deep learning

| | ResNeSt backbone | 0.818 | 0.028 | 10,563,989 | | ShuffleNet backbone | 0.766 | 0.032 | 1,557,443 | | MobileNet backbone | 0.786 | 0.029 | 1,910,437 | | BlazePose - Heatmap branch | 0.760 | 0.032