diff --git a/Article/method.tex b/Article/method.tex index d38d22dea545b60d6b82b71a20169930f11b8c4d..3dbad38d6872bed954f3508b68b85ad5ebe757d9 100755 --- a/Article/method.tex +++ b/Article/method.tex @@ -72,7 +72,7 @@ from the scan strip (\RefFig{fig:escape} a). A second search is then run using another directional scan aligned on the detected segment (\RefFig{fig:escape} b). However, even in case of a correct detection, the estimated orientation -of the segment is subject to the numerization rounding, +of the segment is subject to the numerization rounding or outliers, and the longer the real segment to detect, the higher the probability to fail again on a blurred segment escape from the directional scan. @@ -116,7 +116,7 @@ thus producing a useless computational cost. Here the proposed solution is to dynamically align the scan direction on the blurred segment one all along the expansion stage. -At each iteration $i$, the scan strip is aligned on the direction of the +At each iteration $i$ of the expansion, the scan strip is aligned on the direction of the blurred segment $\mathcal{B}_{i-1}$ computed at previous iteration $i-1$. More generally, an adaptive directional scan $ADS$ is defined by: \begin{equation} @@ -276,7 +276,7 @@ Another option, called {\it multi-detection} (Algorithm 1), allows the detection of all the segments crossed by the input stroke $AB$. In order to avoid multiple detections of the same edge, an occupancy mask, initially empty, collects the dilated points of all the blurred segments, -so that these points can not be add to another segment. +so that these points can not be added to another segment. First the positions $M_j$ of the prominent local maxima of the gradient magnitude found under the stroke are sorted from the highest to the lowest.