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| -rw-r--r-- | content/posts/adaptive-binarisation/index.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/content/posts/adaptive-binarisation/index.md b/content/posts/adaptive-binarisation/index.md index 7cffc6e..ffb1d16 100644 --- a/content/posts/adaptive-binarisation/index.md +++ b/content/posts/adaptive-binarisation/index.md @@ -31,7 +31,7 @@ screwed up) A popular algorithm for this adaptive binarisation technique was described in a 2000 paper by J. Sauvola -[Adaptive document image binarization](http://www.ee.oulu.fi/mvg/files/pdf/pdf_24.pdf). +[Adaptive document image binarization](http://citeseerx.ist.psu.edu/viewdoc/download;?doi=10.1.1.98.880&rep=rep1&type=pdf). The key part of the paper which is still used today is his modification of an earlier algorithm for adaptive binarisation by Niblack (1986), to add standard deviation to the calculation of a local threshold for |