(crop out non-subtitle regions to improve OCR accuracy).
Subtitles can be white with black outlines, yellow, italic, stylized, or even overlapping the background. If the font is unusual or the background is noisy, OCR accuracy drops significantly. extract hardsub from video
→ Import → Import subtitle from Blu-ray (.sup) / image file(s) / video . (crop out non-subtitle regions to improve OCR accuracy)
How to Extract Hardsubs From Video: The Ultimate Technical Guide extract hardsub from video
An all-in-one subtitle editor that has a powerful "Import subtitles from video" feature using Tesseract OCR.