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Recognizing handwritten mathematical content is a challenging problem, and more so when such content appears in classroom videos. However, given the fact that in such videos the handwritten text and the accompanying audio refer to the same content, a combination of a video and an audio based recognizer has the potential to significantly improve the content recognition accuracy. In this paper, using...
Recognizing handwritten mathematical content in classroom videos poses a range of interesting challenges. In this paper, we focus on improving the character recognition accuracy in such videos using a combination of video and audio based text recognizers. We propose a two step assembly consisting of a video text recognizer (VTR) as the primary character recognizer and an audio text recognizer (ATR)...
In classroom videos, recognizing mathematical content, handwritten on the whiteboard presents a unique opportunity in the form of audio content spoken by the instructor. This recognized audio content can be used to improve the character recognition accuracy by providing evidence in corroboration or contradiction of the output options generated by the primary, video based recognizer. However, such...
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