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Task #3817

closed

Analyzovat metody predspracovania obrazu pre vylepsenie OCR Tesseractom - v2

Added by Hrúz Marek almost 9 years ago. Updated over 6 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Bureš Lukáš
Start date:
17.03.2016
Due date:
% Done:

100%

Estimated time:

Description

- SIFT/SURF (+dalsie KP?) - mapa hustoty KP - lokalne okolie, spocitat hustotu, ako reprezentant okolia bude centroid
- lokalne rozptyly farieb/jasov ako indikator regionu text/netext
- sobel - velkost a uhol gradientov
- MSER - vizualizacia iba negativnych/pozitivnych regionov
- MSER - test paramterov

https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuality

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 #1

Updated by Bureš Lukáš almost 9 years ago

- Pridat metody ostreni
- Zkusit CLAHE -> OTSU

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 #2

Updated by Bureš Lukáš about 8 years ago

  • Status changed from Assigned to Resolved
  • % Done changed from 0 to 100

Done

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 #3

Updated by Zajíc Zbyněk over 6 years ago

  • Status changed from Resolved to Closed
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