Edge Detection
- Using EdgeDetector 1.0
These are the results of edge detection obtained by using EdgeDetector 1.0 with various combinations of the two parameters: Edge contrast lower limit (LL) and edge strength (ES). Images in each section correspond to the ES parameter list at the top of the section in the order of from left to right in each row, and from top to bottom row.

The head image was downloaded from Dave Eberly's page. No pre-processing was applied to the original image before the EdgeDetector was used to obtain the results below. When Gaussian smoothing was applied first, the results may be quite different, and the edges tend to be more connected.

Improved results are obtained by using EdgeDetector 1.1 from the same image and from synthetic test images.

The original image

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LL=100.0; ES=100.0, 80.0, 60.0, 40.0 and 20.0

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LL=90.0; ES=100.0, 80.0, 60.0, 40.0 and 20.0

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LL=80.0; ES=100.0, 80.0, 60.0, 40.0 and 20.0

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LL=70.0; ES=100.0, 80.0, 60.0, 40.0 and 20.0

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Edge Detection Home Page
Results from the head image || Results from the Lena image
Download EdgeDetector || Download Synthetic Test Images


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