March 2019
Intermediate to advanced
538 pages
13h 38m
English
book
Building Computer Vision Projects with OpenCV 4 and C++
by David Millan Escriva, Prateek Joshi, Vinicius G. Mendonca, Roy Shilkrot
Content preview from Building Computer Vision Projects with OpenCV 4 and C++
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Preprocessing stage
Software that identifies letters does so by comparing text with previously recorded data. Classification results can be improved greatly if the input text is clear, if the letters are in a vertical position, and if there's no other elements, such as images sent to the classification software. In this section, we'll learn how to adjust text by using preprocessing.