In this answer about detecting the color of an image olooney said that \"loop over the histogram and take the average of pixel color weighed by the pixel count\".
Today I want to learn a little bit about the R statistical programming language. I\'m not finding the tutorials to be helpful yet.
Given a list of dates dates <- data.frame(foo = c开发者_JAVA技巧( \"2009-03-15\", \"2010-04-15\",
I\'m now gonna plot a 10-category histogram wit开发者_StackOverflowh GNUPLOT. Since number of categories is relative large, I want to specify patterns for different categories myself instead of applyi
I have a large, square sparse matrix in R (about 30M real numbers), and I\'d like to see the distribution of its values.
I am drawing histograms using hist command as below: hist(plikTVDI, ylab开发者_运维问答=\'częstość występowania\',
I need a histogram class for a project. I am not interested in the graphical representation, only in the \"book keeping\". Ideally, it should be able to also give me cutoffs( for example, 80% cutoff s
What is the most effective way to create an image (QImage) histogram in PySide? My test image is 1,9MB, 3648x2736px, jpeg photo
I am trying to get black and white histogram data from acolor image. How开发者_如何学Cever the current setup I have with my histogram only shows me color data I\'m sure that it\'s something that I hav
I have a greyscale 200x200 image and I would like to compute the histogram of the intensity for each 8x8 window in the image. How can I compute that fast? I use for loops n开发者_如何学JAVAow but it i
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