This repository is hosting the solutions of the exercises for the course Pattern Recognition of National Technical University of Athens for the academic year 2021-2022. The score of these excersices was the highest (10/10) .

• Handwritten Digit Recognition Euclidean Classifier, Bayesian Classifier, Naive Bayes Classifier, k-nearest neighbors, SVM, Ensembling, VotingClassifier, Bagging, Decision Tree Classifier, Random Forest, Introduction to Pytorch, Neural Networks, NN pipeline, Feed-Forward and Backpropagation

• Digit Speech Recognition Hidden Markov Models (HMM), Gaussian Mixture Models (GMM), Recurrent Neural Networks (RNN), Long short-term memory (LSTM)

• Multitask Affective Music Long short-term memory (LSTM), Convolutional Neural Networks (CNN), Transfer Learning, Multitasking (Kaggle competition)