Enhanced the official YOLOv7 pose source code by fixing bugs to enable multi-class detection functionality

Covn2d, Maxpool2D, Flatten layer, Network, Convolutinal neural network(CNN)

A fragrance classification model based on a multiclass classification framework from scikit-learn, where I use my own handcrafted fragrance family and fragrance note dataset to predict which of the four fragrance families (Fougères, Orientals, Chypres, and Gourmands) a scent belongs to, based on its notes.