All Questions
Tagged with signal-processing image
6 questions
1
vote
1
answer
135
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Track the location of of dot from noisy image
https://i.sstatic.net/QDXKL.jpg (subtraction between the image)
https://i.sstatic.net/9zqWV.jpg (orignal image)
From the original image, since my CCD camera is bad, I cannot really see anything.
...
- 1,830
15
votes
3
answers
885
views
Deleting noisy data from a plot (manually) and export the best remaining data
I have the following temperature time-series. As you can see it contains very very noisy points in some periods (Fig.A). I tried to approach the best data(the black one in the center) based on the ...
- 587
18
votes
2
answers
1k
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Processing images from NASA's Juno Jupiter Orbiter
Question
Can you help me improve what I’ve done to create an enhanced-color picture from an image provided by NASA’s JunoCam? [My work is shown in the penultimate image of Jupiter in this post.]
I’...
- 3,643
3
votes
0
answers
162
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Challenge: Calulating The Resulting 2D Image Behind A Lens [closed]
This is a tough question!
I would like to calculate how an image (a real 2D photograph) looks if I place a lens at a certain distance d1 from it and I observe it at a certain distance d2.
It is ...
- 2,510
4
votes
1
answer
174
views
Experimental Data Overlay/Fit
I have two different sets of data represented in Contourplots:
As you can see, in different positions of space, both have these very characteristic sets of four peaks (2 blue and 2 yellow). What I ...
- 543
8
votes
2
answers
404
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How to detect discolorations in an image?
I'm evaluating the technical quality of an images and I'd like to scan it for defects from dirty sensors. Are there any filters to quickly detect a blob of discoloration? Here are a few examples:
- 31.8k