Detecting letters with Fourier transforms
TIL from my wife in the context of checkbox detection! letters detection fourier transform – Google Suche
- Introduction to the Fourier Transform for Image Processing
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- crowoy/Letter-Recognition: Fourier Feature Analysis - Classifying letters [S,T,V] based on features in the Fourier Space
TL;DR you can use fourier transforms on letters, that then lead to differentiable results! Bright lines perpendicular to lines in the original letter etc.
Nel mezzo del deserto posso dire tutto quello che voglio.