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Fixed issue in ORB detection if firstLevel property is set above 0

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This commit is contained in:
Vitaly Tuzov
2018-01-25 15:23:59 +03:00
parent 12ea8477a3
commit 205022ceee
2 changed files with 11 additions and 6 deletions
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modules/features2d/include/opencv2/features2d.hpp
+3 -2
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@@ -304,10 +304,11 @@ public:
will mean that to cover certain scale range you will need more pyramid levels and so the speed
will suffer.
@param nlevels The number of pyramid levels. The smallest level will have linear size equal to
input_image_linear_size/pow(scaleFactor, nlevels).
input_image_linear_size/pow(scaleFactor, nlevels - firstLevel).
@param edgeThreshold This is size of the border where the features are not detected. It should
roughly match the patchSize parameter.
@param firstLevel It should be 0 in the current implementation.
@param firstLevel The level of pytramid to put source image to. Previous layers are filled
with upscaled source image.
@param WTA_K The number of points that produce each element of the oriented BRIEF descriptor. The
default value 2 means the BRIEF where we take a random point pair and compare their brightnesses,
so we get 0/1 response. Other possible values are 3 and 4. For example, 3 means that we take 3