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5
votes
1answer
131 views

Coloring a waveform with spectral centroid or by other means

Update 5 Some gradient using harmonic series The color smoothing is ratio-sensitive otherwise it looks bad, will need some adjustment. Update 4 Rewrote the coloring to happen at source and ...
8
votes
1answer
145 views

How do I calculate the color temperature of the light source illuminating an image?

How can I calculate the (black body equivalent) color temperature of the light source illuminating a given image? Below are screenshots of Adobe Lightroom manipulating color temperature and a shift in ...
1
vote
1answer
98 views

Is the mean of visible color in CIELab color space can be non visible color?

I am converting color from RGB to CIELab to train a GMM. When I get back the mean of clusters of the GMM I have sometimes negatives values in RGB space. I was wondering if the mean of only visible ...
1
vote
1answer
51 views

Object Tracing with Particular Color

I started working on a autonomous robot project in my spare time. Everything is finished except the image proccessing part. I want my robot to follow an object with particular properties. For the ...
0
votes
1answer
199 views

FFT of color images incorporated into an Object Recognition method?

Is there any instance where Fourier transforms of color images have been used in conjunction with other object recognition method? Any instance of usage of Fourier transforms in color images? I ...
2
votes
1answer
142 views

How to Generate False Color Palette

How to convert grayscale intensity input to something like the following image? It seems that no response (0, black) is converted to dark blue, then it goes through other colors to red. How are ...
0
votes
1answer
192 views

Converting Gamut3D from RGB colorspace to LAB colorspace

I have this code for Gamut3D in RGB, but I'm looking to convert it into LAB colorspace but I'm not really sure what changes I ...