Filter out small dust in image!
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I am trying to detect and count moving rocks! Below is a frame from a video. I did the following to get this frame:
- register the each frame with respect to the first frame of the video
- make a composite image from each registered frame and first frame [imfuse(frame i, and frame 1)
As can be seen, the green stuff is the result which is a combination of dust and rocks(green isolated blobs) and a bit of camera vibration! I used color threshholding followed up by filtering the obtained binary image (area, major diamameter, etc.), finding circles, ...I have not been able to filter out the dust and isolate the rocks. I would appreciate any ideas how to move forward. Attached you can see frame1, 2835,2836,2837,2838