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In: AI, NLP

Definitions: Phoneme – Distinct sounds in a language Grapheme – Distinct unit written in a language Lexicon – Dictionary that maps phoneme to graph(i.e. Arpabet) Architecture design choices of the above for ASR : 1. Target audio straight to Grapheme(without lexicon) – so basically extract features to Graphemes(words) – usedContinue Reading

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In: AI, Algorithms, Computer Vision

In order to compute Optical Flow there are two assumptions/constraints: Image moves in u(x cord) and v(y cord): The brightness(grayscale)/color consistency is same between the original image I ( x, y,t),  and the image in I ( x+u, y+v,t+1). The change in motion is almost zero(smooth), which means that the original IContinue Reading