Detecting Water Droplets
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I need to detect water droplets on different surfaces. I have a picture of the original surface, but the lighting is slightly flickery so the shadows change slightly. I have tried many variations of tracing edges and circle detection. I have also increased the image contrast and equalized the brightness of the image by using histeq() in various combinations before using any of the previously mentioned methods.
Here is an example of my images. The first picture is before any condensation, and the second has the droplets I want to analize/isolate. http://imageshack.us/g/685/a00120110714092419.png/
Image Analyst on 15 Jul 2011
If you can change the water to quinine water you can use UV fluorescence photography, because the water will glow. Just another example of how improving or changing the image capture situation will give you an image that is easier to measure.