correct covariation matrix formula in Harris corner detector

ywscr · Jun 3, 2015 · 9eaac61 · 9eaac61
1 parent 83ace8d
commit 9eaac61
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/modules/imgproc/doc/feature_detection.rst b/modules/imgproc/doc/feature_detection.rst
@@ -66,7 +66,7 @@ For every pixel
 
 .. 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
 :ocv:func:`Sobel` operator.