File:Unequalized Histogram.svg

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Original file (SVG file, nominally 712 × 445 pixels, file size: 61 KB)

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Summary

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Description Greyscale frequency histogram of Unequalized Hawkes Bay NZ.jpg. X-axis shows image intensity, y-axis number of pixels with that intensity. Black curve shows cumulative histogram.
Date
Source self-made based on Image:Unequalized Histogram.gif file by Konstable
Author Jarekt
SVG development
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The SVG code is valid.
 
This diagram was created with MATLAB.
Source code
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MATLAB code

I = rgb2gray(imread('Unequalized_Hawkes_Bay_NZ.jpg'));
[h x]=hist(double(I(:)),0:255);
map = cumsum(h)/prod(size(I));
figure(1)
hold on
bar(x,h, 'r');
plot(x, 30000*map, 'k')
xlim([0 256]);
ylim([0 31000]);
plot2svg('Unequalized Histogram.svg')

Licensing

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

File history

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Date/TimeThumbnailDimensionsUserComment
current15:40, 4 April 2008Thumbnail for version as of 15:40, 4 April 2008712 × 445 (61 KB)Jarekt (talk | contribs)another attempt
15:38, 4 April 2008Thumbnail for version as of 15:38, 4 April 2008480 × 480 (61 KB)Jarekt (talk | contribs)better size
15:33, 4 April 2008Thumbnail for version as of 15:33, 4 April 2008512 × 320 (61 KB)Jarekt (talk | contribs)== Summary == {{Information |Description=Greyscale frequency histogram of Unequalized Hawkes Bay NZ.jpg. X-axis shows image intensity, y-axis number of pixels with that intensity. Black curve shows cumulative histo

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