Cnn

Optical Character Recognition (or optical character reader, aka OCR) is a technology that used for the last two decades to identify and digitize alphabetical and numerical characters presented in images. In the industry, this technology can help us to avoid entering data manually by a human.

Factor analysis is a statistical method used to search for some unobserved variables called factors from observed variables called factors.

A convolutional neural network (CNN or ConvNet) is a specific kind of deep learning architecture.