Tesseract, Ocr, Computer Vision, Open Source, Bash.
images in this guide was Vivaldi so I changed ocrb 0 0 1 0 0 to vivaldi 1 0 0 0 0 since my font, Vivaldi, was Italics only and was not in bold or monospace or serif or fraktur. Similarly in 17th line, in the last part I had to change pol.ocrb.exp to eng.vivaldi.exp. And in 18th line, I changed