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Article : bugounets

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...@@ -217,10 +217,10 @@ in urban imagery}, ...@@ -217,10 +217,10 @@ in urban imagery},
@book{DesolneuxAl08, @book{DesolneuxAl08,
author = {Desolneux, Agn\`es and Moisan, Lionel and Morel, Jean-Michel}, author = {Desolneux, Agn\`es and Moisan, Lionel and Morel, Jean-Michel},
year = {2008}, year = {2008},
month = {January}, optmonth = {January},
pages = {273}, pages = {273},
title = {From {G}estalt Theory to Image Analysis: A Probabilistic Approach}, title = {From {G}estalt Theory to Image Analysis: A Probabilistic Approach},
series= {Interdisciplinary Applied Mathematics}, series= {Interdisciplinary Applied Mathematics},
volume = {34}, volume = {34},
doi = {10.1007/978-0-387-74378-3} optdoi = {10.1007/978-0-387-74378-3}
} }
...@@ -171,7 +171,7 @@ visually non-meaningful. The other detectors eliminates them by a ...@@ -171,7 +171,7 @@ visually non-meaningful. The other detectors eliminates them by a
validation test based on Helmholtz principle \cite{DesolneuxAl08}. validation test based on Helmholtz principle \cite{DesolneuxAl08}.
Such test is not yet integrated into the new detector. Such test is not yet integrated into the new detector.
But even so, the mean length of output lines is greater. But even so, the mean length of output lines is greater.
Except for execution time for ED-Lines performs best, Except for execution time where ED-Lines performs best,
global performance of the new detector is pretty similar and global performance of the new detector is pretty similar and
competitive to the other ones. competitive to the other ones.
Furthermore, it provides additional information Furthermore, it provides additional information
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...@@ -55,9 +55,11 @@ But the segment thickness was initially fixed by the user and not estimated, ...@@ -55,9 +55,11 @@ But the segment thickness was initially fixed by the user and not estimated,
leading to erroneous orientations of the detected lines. leading to erroneous orientations of the detected lines.
Here, the limitations of this first detector are solved Here, the limitations of this first detector are solved
by the introduction of two new concepts: by the introduction of two new concepts:
(i) adaptive directional scans (ADS) designed to better track the detected line; (i) adaptive directional scans %(ADS)
designed to better track the detected line;
%get some compliance to the unpredictable orientation problem; %get some compliance to the unpredictable orientation problem;
(ii) control of assigned thickness (CAT) to bound its scattering. (ii) control of assigned thickness %(CAT)
to bound its scattering.
% intended to derive more reliable information on the % intended to derive more reliable information on the
%line orientation and quality. %line orientation and quality.
As a side effect, these two major evolutions also led to a noticeable As a side effect, these two major evolutions also led to a noticeable
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...@@ -95,7 +95,7 @@ assigned thickness $\varepsilon_0$. ...@@ -95,7 +95,7 @@ assigned thickness $\varepsilon_0$.
The blurred segment is searched within a directional scan with position The blurred segment is searched within a directional scan with position
and orientation approximately drawn by the user, or blindly defined and orientation approximately drawn by the user, or blindly defined
in unsupervised mode. in unsupervised mode.
Most of the time, the detection stops where the segment escapes sideways In most cases, the detection stops where the segment escapes sideways
from the scan strip (\RefFig{fig:escape} a). from the scan strip (\RefFig{fig:escape} a).
A second search is then run using another directional scan aligned A second search is then run using another directional scan aligned
on the detected segment (\RefFig{fig:escape} b). on the detected segment (\RefFig{fig:escape} b).
......
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