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Updated LBP section in plan.tex.

Taddeüs Kroes vor 14 Jahren
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1 geänderte Dateien mit 17 neuen und 20 gelöschten Zeilen
  1. 17 20
      docs/plan.tex

+ 17 - 20
docs/plan.tex

@@ -99,33 +99,30 @@ at either the left of right side of the image.
 
 
 \subsection{Local binary patterns}
 \subsection{Local binary patterns}
 
 
-Once we have separate digits and characters, we intend to use Local Binary
+Once we have separate digits and characters, we intent to use Local Binary
 Patterns to determine what character or digit we are dealing with. Local Binary
 Patterns to determine what character or digit we are dealing with. Local Binary
-Patters are a way to classify a texture, because it can create a histogram
-which describes the distribution of line directions in the image. Since letters
-on a license plate are mainly build up of straight lines and simple curves, it
-should theoretically be possible to identify these using Local Binary Patterns.
+Patters are a way to classify a texture based on the distribution of edge
+directions in the image. Since letters on a license plate consist mainly of
+straight lines and simple curves, LBP should be suited to identify these.
 
 
-This will actually be the first thing to implement, since it is not known if it
-will give the desired results. Our first goal is therefore a proof of concept
-that using LBP's is a good way to determine which character we are dealing
-with.
+To our knowledge, LBP has yet not been used in this manner before. Therefore,
+it will be the first thing to implement, to see if it lives up to the
+expectations. When the proof of concept is there, it can be used in the final
+program.
 
 
-Important to note is that by now, we have transformed this letter to a standard
-size, which eliminates the need to normalize the histograms generated by the
-algorithm.
+Important to note is that due to the normalization of characters before
+applying LBP. Therefore, no further normalization is needed on the histograms.
 
 
-Once we have a Local Binary Pattern of the character, we use a Support Vector
-Machine to determine what letter we are dealing with. For this, the feature
-vector of the image will be a concatenation of the histograms of the cells in
-the image.
+Given the LBP of a character, a Support Vector Machine can be used to classify
+the character to a character in a learning set. The SVM uses
 
 
 \subsection{Matching the database}
 \subsection{Matching the database}
 
 
-In order to recognize what character we are dealing with, we use a Support
-Vector Machine. The SVM can be trained with a subsection of the given dataset
-called the ''Learning set''. Once trained, the entire classifier can be saved
-as a Pickle object\footnote{See
+Given the LBP of a character, a Support Vector Machine can be used to classify
+the character to a character in a learning set. The SVM uses the collection of
+histograms of an image as a feature vector.  The SVM can be trained with a
+subsection of the given dataset called the ''Learning set''. Once trained, the
+entire classifier can be saved as a Pickle object\footnote{See
 \url{http://docs.python.org/library/pickle.html}} for later usage.
 \url{http://docs.python.org/library/pickle.html}} for later usage.
 
 
 \end{document}
 \end{document}