Sentiment analysis is the process of computationally identifying and categorizing opinions expressed in a piece of text, especially in order to determine whether the writer’s attitude towards a particular topic, product, etc. is positive, negative, or neutral. Basically, it is the interpretation and classification of emotions. Sentiment analysis aims at…

OpenCV: OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning library. This was built to give a common structure for computer vision applications and to influence the use of machine interpretation in the commercial products like facial recognition which is extensively use in today’s world…

Speech Recognition : Speech recognition is the ability of a machine or program to identify words and phrases in spoken language and convert them to a machine-readable format. Rudimentary speech recognition software has a limited vocabulary of words and phrases, and it may only identify these if they are spoken very clearly Today…

What is TF-IDF ? tf-idf stands for Term frequency-inverse document frequency. The tf-idf weight is a weight often used in information retrieval and text mining. Variations of the tf-idf weighting scheme are often used by search engines in scoring and ranking a document’s relevance given a query. This weight is…