diff --git a/src/image-processing-and-computer-vision/module1/sections/_local_features.tex b/src/image-processing-and-computer-vision/module1/sections/_local_features.tex index aa5ebac..3d47cff 100644 --- a/src/image-processing-and-computer-vision/module1/sections/_local_features.tex +++ b/src/image-processing-and-computer-vision/module1/sections/_local_features.tex @@ -267,7 +267,7 @@ Scale-normalized LOG allows the detection of blobs (circles) in an image. \begin{enumerate} \item Create a Gaussian scale-space by applying the scale-normalized Laplacian of Gaussian with different values of $\sigma$. \item For each pixel, find the characteristic scale and its corresponding Laplacian response across the scale-space (automatic scale selection). - \item Filter out the pixels whose response is lower than a threshold. + \item Filter out the pixels whose response is lower than a threshold and apply NMS. \item The remaining pixels are the centers of the blobs. It can be shown that the radius is given by $r = \sigma\sqrt{2}$. \end{enumerate}