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correct covariation matrix formula in Harris corner detector

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howtobeahacker 2015-06-03 17:33:40 +08:00
parent 83ace8d580
commit 9eaac6105f
1 changed files with 1 additions and 1 deletions
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modules/imgproc/doc/feature_detection.rst
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@ -66,7 +66,7 @@ For every pixel
.. math:: .. math::
M = \begin{bmatrix} \sum _{S(p)}(dI/dx)^2 & \sum _{S(p)}(dI/dx dI/dy)^2 \\ \sum _{S(p)}(dI/dx dI/dy)^2 & \sum _{S(p)}(dI/dy)^2 \end{bmatrix} M = \begin{bmatrix} \sum _{S(p)}(dI/dx)^2 & \sum _{S(p)}(dI/dx dI/dy) \\ \sum _{S(p)}(dI/dx dI/dy) & \sum _{S(p)}(dI/dy)^2 \end{bmatrix}
where the derivatives are computed using the where the derivatives are computed using the
:ocv:func:`Sobel` operator. :ocv:func:`Sobel` operator.