![]() In certain circumstances such as when subtitles are white and against a bright background, it may also help with accuracy. Performance impact of using higher resolution video can be reduced with croppingĪ brightness threshold can help speed up the OCR process by filtering out dark frames. Running on CPU, 'server' models take significantly more time to run. When cropping, leave a bit of buffer space above and below the text to ensure accurate readings. To shorten the amount of time it takes to perform OCR on each frame, you can use a tool such as ffmpeg to crop out only the areas of the videos where the subtitles appear. ![]() Running with paddlepaddle-gpu is recommended if you have a CUDA 9 or CUDA 10 GPU. ![]()
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