Optical character recognition (OCR) accuracy by combining results across video frames
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United States of America Patent
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Feb 19, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jul 25, 2016
filing date -
Jul 25, 2016
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Abstract
The present disclosure relates to optical character recognition using captured video. According to one embodiment, using a first image in stream of images depicting a document, the device extracts text data in a portion of the document depicted in the first image and determines a first confidence level regarding an accuracy of the extracted text data. If the first confidence level satisfies a threshold value, the device saves the extracted text data as recognized content of the source document. Otherwise, the device extracts the text data from the portion of the document as depicted in one or more second images in the stream and determines a second confidence level for the text data extracted from each second image until identifying one of the second images where the second confidence level associated with the text data extracted from the identified second image satisfies the threshold value.
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