Frequency-tuned Salient Region Detection

by Radhakrishna Achanta, Sheila Hemami, Francisco Estrada, and Sabine Su ̈sstrunk

This is a very simple paper. The idea is to blur the image a little (with Gaussian) and compare the distance of each pixel to the mean. With this saliency map, DoG can be applied to extract the edges.

This method will fail if the object has many colors or the background is complex.