Automatic Foreground Extraction Based on Difference of Gaussian

<table>Basic procedure of the keypoints filter. (a) Initial result of difference of Gaussian (DoG). (b) Candidate points we get through the 5 × 5 filter. (c) Information of edges. (d) Information of edges on the original image. (e) Result of candidate points rebuild.</table>

The Scientific World Journal

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Figure 2

Figure 2: Automatic Foreground Extraction Based on Difference of Gaussian 