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worked on report, starting on SVM

Richard Torenvliet 14 лет назад
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76b417c48b
1 измененных файлов с 22 добавлено и 5 удалено
  1. 22 5
      docs/verslag.tex

+ 22 - 5
docs/verslag.tex

@@ -124,7 +124,13 @@ straight lines and simple curves, LBP should be suited to identify these.
 \subsubsection{LBP Algorithm}
 \subsubsection{LBP Algorithm}
 The LBP algorithm that we implemented is a square variant of LBP, the same
 The LBP algorithm that we implemented is a square variant of LBP, the same
 that is introduced by Ojala et al (1994). Wikipedia presents a different
 that is introduced by Ojala et al (1994). Wikipedia presents a different
-form where the pattern is circular. 
+form where the pattern is circular, this form is convenient because with
+interpolation you can choose the size of the circle \textbf{and} to how many
+neighbours the circle has. That means how many times the center pixel
+has to be evaluated against a neighbour.
+
+In the literature there are lots of examples where LBP is used for surface
+recognition, facial recognition, human face emotion recoqnition ((Pietik\"ainen, Hadid, Zhao \& Ahonen (2011))) 
 \begin{itemize}
 \begin{itemize}
 \item Determine the size of the square where the local patterns are being
 \item Determine the size of the square where the local patterns are being
 registered. For explanation purposes let the square be 3 x 3. \\
 registered. For explanation purposes let the square be 3 x 3. \\
@@ -135,7 +141,7 @@ than the threshold it will be become a one else a zero.
 \begin{figure}[h!]
 \begin{figure}[h!]
 \center
 \center
 \includegraphics[scale=0.5]{lbp.png}
 \includegraphics[scale=0.5]{lbp.png}
-\caption{LBP 3 x 3 (Pietik\"ainen, Hadid, Zhao \& Ahonen (2011))}
+\caption{LBP 3 x 3 (Pietik\"ainen et all (2011))}
 \end{figure}
 \end{figure}
 
 
 Notice that the pattern will be come of the form 01001110. This is done when a
 Notice that the pattern will be come of the form 01001110. This is done when a
@@ -169,7 +175,7 @@ order. Starting with dividing the pattern in to cells of size 16.
 \begin{figure}[h!]
 \begin{figure}[h!]
 \center
 \center
 \includegraphics[scale=0.7]{cells.png}
 \includegraphics[scale=0.7]{cells.png}
-\caption{Divide in cells(Pietik\"ainen et all (2011))}
+\caption{Divide in cells(Pietik\"ainen et al. (2011))}
 \end{figure}
 \end{figure}
 
 
 \item Consider every histogram as a vector element and concatenate these. The
 \item Consider every histogram as a vector element and concatenate these. The
@@ -200,6 +206,8 @@ subsection of the given dataset called the ''Learning set''. Once trained, the
 entire classifier can be saved as a Pickle object\footnote{See
 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.
 
 
+
+
 \section{Implementation}
 \section{Implementation}
 
 
 In this section we will describe our implementations in more detail, explaining
 In this section we will describe our implementations in more detail, explaining
@@ -314,9 +322,8 @@ dividing the \textbf{pattern} in to cells and create a histogram of that. So mul
 cells are related to one histogram. All the histograms are concatenated and
 cells are related to one histogram. All the histograms are concatenated and
 feeded to the SVM that will be discussed in the next section, Classification.
 feeded to the SVM that will be discussed in the next section, Classification.
 
 
-
 \subsection{Classification}
 \subsection{Classification}
-
+The SVM used in our project is a Gaussian radial based function. Where the kernel is 
 
 
 
 
 \section{Finding parameters}
 \section{Finding parameters}
@@ -474,5 +481,15 @@ were instantaneous! A crew to remember.
 
 
 Awesome
 Awesome
 
 
+\begin{thebibliography}{9}
+\bibitem{lbp1}
+  Matti Pietik\"ainen, Guoyin Zhao, Abdenour hadid,
+  Timo Ahonen.
+  \emph{Computational Imaging and Vision}.
+  Springer-Verlag, London,
+  1nd Edition,
+  2011.
+\end{thebibliography}
+
 
 
 \end{document}
 \end{document}