MATLAB: Histcounts() function but for polarhistogram()

MATLABpolar histogram

Hi.

I'm using polarhistogram() to plot points distribution on polar coordinate. How do I calculate the distribution without plotting? If histogram() has its histcounts() to do just that, what about polarhistogram() ? There's such function called polarhistcounts() right?

Best Answer

polarhistogram() configures a polar axes and then invokes histogram().

histogram() sets up properties and calls @Histogram/Histogram.p which we cannot see the source of.

How Histogram.p works is a mystery.

There does not appear to be any polarhistogram()

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MATLAB: For texture classification i have taken lbp as a feature..after applying lbp i have taken histogram..how to normalise the bins of histogram..and what is meant by normalise bins of histogram

Normalization would mean that you either divide by the max value of the counts, or that you divide by the sum of all the counts.

[pixelCounts grayLevels] = imhist(lbpImage, 256);
normalizedHist1 = pixelCounts / max(pixelCounts(:));
normalizedHist2 = pixelCounts / sum(pixelCounts(:));

It means that either the max value of any count will be 1.0, or that the sum of all counts would now be 1.0, depending on which method you use.

MATLAB: How to plot normalised histogram with specific number of bins

Try this:

figure
histogram(class_1, 500, 'Normalization','probability')

Best Answer

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MATLAB: For texture classification i have taken lbp as a feature..after applying lbp i have taken histogram..how to normalise the bins of histogram..and what is meant by normalise bins of histogram

MATLAB: How to plot normalised histogram with specific number of bins

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