NLP and Text Sentiment Analysis

NLP and Text Sentiment Analysis

This lecture overviews Natural Language Processing (NLP) and Text Sentiment Analysis that has many applications in Text Analytics, Opinion extraction, Opinion mining, Sentiment mining, Subjectivity analysis. It covers the following topics in detail: Baseline algorithms. Text pre-processing. Word embeddings (Word2Vec, Fast Text). Neural NLP and Sentiment Analysis for text classification (RNN, CNN). Contextual Embeddings (ELMo).… Continue reading NLP and Text Sentiment Analysis

Natural Language Processing

This lecture overviews Natural Language Processing (NLP) that has many applications in text analytics, Linguistics, Machine translation and sentiment analysis. It covers the following topics in detail: Symbolic NLP, Statistical NLP, Neural NLP. NLP methods: Rules, Statistics, Neural networks. Word Representations: Fixed (sparse), One-hot encoding, Bag-of-words, TF-IDF Distributed (dense). Classic embeddings: Word2Vec, GloVe, FastText. Contextualized embeddings: CoVe,… Continue reading Natural Language Processing

Neural Speech Recognition

This lecture overviews Neural Speech Recognition is a special case of Automatic Speech Recognition (ASR), i.e., the transcription of speech to text that has many applications e.g., in call centers, dictation, meeting minutes creation, Smart assistants (Apple’s Siri, Amazon’s Alexa, Google Assistant, Microsoft’s Cortana) and in Behavior /emotion recognition. It covers the following topics in… Continue reading Neural Speech Recognition

Music Genre Recognition

This lecture overviews Music Genre Recognition that has many applications in the music industry and in the social/broadcasted media. It covers the following topics in detail: Audio Feature Extraction. Music Spectrograms. Sound Texture Selection. Machine Learning Algorithms. Gaussian Processes. Support Vector Machines. Music Recognition using Deep Neural Networks.

Genomic Signal Analysis

This lecture overviews Genomic Signal Analysis   that has many applications in Bioinformatics, Biology and Medicine. It covers the following topics in detail: DSP Algorithms for Genomic Sequences. Numerical representation of genomic sequences. DNA string analysis: Long range correlations in DNA, Identification of protein coding DNA regions, Signal Extraction for DNA microarray, Alignment methods, Phylogenetic analysis. Machine Learning in Genomic Signal Analysis.… Continue reading Genomic Signal Analysis

ECG Signal Analysis

This lecture overviews ECG Signal Analysis as well as other cardiology imaging methods that has many applications in cardiological disorder diagnosis and treatment. It covers the following topics in detail: Background nnowledge of ECG Signals. Issues in ECG Classification. Materials and Machine Learning Methods: Datasets, Data Preprocessing, Feature Selection, Dimensionality Reduction, Machine Learning Classifiers, Validation… Continue reading ECG Signal Analysis