hollus wrote:Hi all,
Does anyone know of any free OCR software that can be used to extract text from an specific position in a video, possibly for each frame? Ideally it should be capable of using online videos. Maybe an OCR software that continuously scans a portion of the screen, then the relevant information can be placed in that desktop position by moving the window...
In particular I am thinking of extracting the speed data from onboard videos, so a software capable of extracting only numbers would be perfectly OK.
Thanks in advance.
Hi hollus
Probably you saw this telemetry image with a Q1 lap comparisson between Hamilton and Alonso in forocoches' F1 thread. The data is extracted from the official live timing app.
I used a free Tesseract OCR engine based software called VietOCR, which lets you to recognise text from multiple images at once and save it directly as txt files. To facilitate the recognition process I cutted the portion which contains the speed data and inverted the colours with the video editor VirtualDub.
After merging every txt file generated by the OCR software into a single one you can plot it easily taking care of any data errors first.
Greetings