Top "Histogram" questions

In statistics, a histogram is a graphical representation, showing a visual impression of the distribution of data.

How to compute "EMD" for 2 numpy arrays i.e "histogram" using opencv?

Since I'm new to opencv, I don't know how to use the cv.CalcEMD2 function with numpy arrays. I have …

python opencv numpy histogram earthdistance
Finding the local maxima/peaks and minima/valleys of histograms

Ok, so I have a histogram (represented by an array of ints), and I'm looking for the best way to …

c#-4.0 image-processing histogram mathematical-optimization image-segmentation
Tricks to get reverse-order cumulative histogram in matplotlib

I am wondering if there is a (better) trick to reverse a cumulative histogram in matplotlib. Let's say I have …

python matplotlib histogram cumulative-frequency
NumPy Histogram - ValueError range parameter must be finite - input array is okay

I'm struggling to understand this error, since I'll give you an example that's working and the one I'm interested in …

python python-3.x numpy histogram valueerror
How to make a CDF from a histogram in MATLAB

I am trying to create function that takes a histogram and makes a CDF from it. However I cannot use …

matlab statistics histogram probability cdf
Similar image search using an image

I am working on a project in which the two images will be checked for similarity like 'Google Image Search …

java image-processing histogram sift image-comparison
fit a function to a histogram created with frequency in gnuplot

Intro In gnuplot there's a solution to create histogram from file named hist.dat what likes 1 2 2 2 3 by using commands binwidth=1 …

plot gnuplot histogram data-fitting binning
Am I using histc wrong, or is this MATLAB's fault?

Ok, here's some code in MATLAB: data = [1 1.5 2 3 4 4.5 5 6 7 7 7 0 0 0]; histc(data, [1:1:5]) histc(data, [1:1:5, inf]) histc(data, [-inf, 1:1:5]) which outputs the following: ans = 2 1 1 2 1 …

matlab histogram bins
Increasing space between bins in seaborn distplot

So I have this, probably, simple question. I created a histogram from data out of an excel file with seaborn. …

python matplotlib histogram seaborn bins
How to create the histogram of an array with masked values, in Numpy?

In Numpy 1.4.1, what is the simplest or most efficient way of calculating the histogram of a masked array? numpy.histogram …

python arrays numpy histogram