Questions tagged as 'histograma'

Tagged questions
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histogram of a c ++ sentence

I made the following program to make the histogram of a sentence counting the number of letters and consonants in the same one but it is giving error because I'm trying to get it to print uppercase and lowercase letters accented or not .. #inc...
asked by 09.12.2017 / 15:25
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Bar graph with relative and accumulated frequency

I'm trying to make a bar chart with the count on the bars and the relative and accumulated frequencies of the left and right sides respectively but I'm not getting it. The data is: dput(x2) c(1L, 5L, 3L, 3L, 5L, 3L, 4L, 1L, 2L, 2L, 7L,...
asked by 27.04.2017 / 05:16
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R histogram with all apparent breaks, hist () function

I have a database with more than 8000 lines and I would like to create a histogram, but the same does not appear in all lower frequency classes, in the case of the last classes (Image). I understand that the 15th class disappears because it p...
asked by 02.08.2018 / 00:11
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Peak value of a histogram

My code reads an image and transforms the RGB color model into HSV, and then makes a frequency histogram of each channel (H, S, and V), where H varies from 0-179 and the others 0-255. By plotting the histogram, it is possible to check peaks in H...
asked by 01.11.2018 / 18:18
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Histogram Python Opencv

Hello, I would like to define a histogram of a function that I created to detect an image region. The function is this. def points (imagem, pontosFaciais): p68 =[[47, 35, False], [35, 12, False], [12, 13, False], [13, 14,...
asked by 11.09.2018 / 07:34
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Generate histogram in django

Hello, I've been trying to generate a histogram in django for a project I'm developing. The code usually generates the histogram without difficulty the first time, however, when I try again, it returns me the following error "RuntimeError: main...
asked by 04.06.2018 / 16:09
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What is the best way to use projection histograms as features in classifiers or NNs without using a resize in the image

I'm doing a digit recognition work on digital displays and I'm looking to use projection histograms as features for some classifiers, however the images are all of different sizes resulting in a different number of features for each image but I...
asked by 06.06.2017 / 19:04