Questions tagged [histogram]

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4
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1answer
621 views

How to detect whether a signal is unimodal or bimodal?

I have to kinds of signals. The first type of signals are such that their histograms are unimodal (one-peaked). The second type of signals are such that their histograms are bimodal (two-peaked). How ...
2
votes
1answer
1k views

Lesser bins histogram looks more equalised than higher bins histogram after histogram equalisation?

I tried to do a histogram equalisation on an image, and then display its histogram. I realise that when I show the histogram with 10 bins, it looks more "equalised" than when I show the histogram with ...
0
votes
1answer
2k views

Histogram and binary image in opencv? [closed]

I would like to compute how many zeros and ones (e.i. 255) in a binary image. The following code to generate a binary image by using Matlab. ...