\relax \@writefile{toc}{\contentsline {section}{\numberline {1}Abstract}{1}} \@writefile{toc}{\contentsline {section}{\numberline {2}Introduction}{1}} \citation{LEE96} \@writefile{toc}{\contentsline {section}{\numberline {3}Gabor filters}{2}} \citation{GABOR46} \@writefile{lof}{\contentsline {figure}{\numberline {1}{\ignorespaces Real and imaginary parts of the Gabor function g(x,y).}}{3}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{1(a)}{\ignorespaces Real part of g(x,y)}}{3}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{1(b)}{\ignorespaces Imaginary part of g(x,y)}}{3}} \newlabel{fig:gabor_wavelet}{{1}{3}} \newlabel{eqn:wavelet}{{1}{3}} \newlabel{eqn:fftwavelet}{{2}{3}} \newlabel{eqn:filterbank}{{3}{4}} \citation{DAUGMAN88} \citation{MA96} \citation{FIELD87} \newlabel{eqn:energy}{{4}{5}} \@writefile{toc}{\contentsline {section}{\numberline {4}The filter parameters}{5}} \@writefile{lof}{\contentsline {figure}{\numberline {2}{\ignorespaces Halfwidth of filters in the spatial frequency domain. 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(c) After thresholding.}}{18}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{10(a)}{\ignorespaces }}{18}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{10(b)}{\ignorespaces }}{18}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{10(c)}{\ignorespaces }}{18}} \newlabel{fig:trees}{{10}{18}} \@writefile{lof}{\contentsline {figure}{\numberline {11}{\ignorespaces Looking for buildings. (a) Region of interest. (b) Result of the Chi-square test. Darker points correspond to more similar textures. (c) After thresholding.}}{18}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{11(a)}{\ignorespaces }}{18}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{11(b)}{\ignorespaces }}{18}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{11(c)}{\ignorespaces }}{18}} \newlabel{fig:buildings}{{11}{18}} \@writefile{lof}{\contentsline {figure}{\numberline {12}{\ignorespaces Using blocksize=15. (a) Region of interest. (b) Result of the Chi-square test. Darker points correspond to more similar textures. (c) After thresholding.}}{19}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{12(a)}{\ignorespaces }}{19}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{12(b)}{\ignorespaces }}{19}} \@writefile{lof}{\contentsline {subfigure}{\string\numberline{12(c)}{\ignorespaces }}{19}} \newlabel{fig:buildings-blocksize15}{{12}{19}} \@writefile{toc}{\contentsline {section}{\numberline {8}Further improvement and Conclusion}{19}} \@writefile{lof}{\contentsline {figure}{\numberline {13}{\ignorespaces Half-amplitude contours of different scales of filters.}}{20}} \newlabel{fig:elli}{{13}{20}} \@writefile{toc}{\contentsline {section}{\numberline {9}Appendix A}{20}} \@writefile{lof}{\contentsline {figure}{\numberline {14}{\ignorespaces Half-amplitude contours of two neighboring Gaussians for different orientations.}}{21}} \newlabel{fig:angle}{{14}{21}} \bibstyle{plain} \bibdata{bib} \bibcite{DAUGMAN88}{1} \bibcite{FIELD87}{2} \bibcite{GABOR46}{3} \newlabel{eqn:ellipse}{{7}{22}} \bibcite{LEE96}{4} \bibcite{MA96}{5}