calculation of first order histogram

3 ビュー (過去 30 日間)
kash
kash 2013 年 8 月 17 日
how to find first order histogram by
The first-order histogram P(I) is defined as: number of pixels with gray level I/total number of pixels in the region
from this i have to find mean ,standard deviation etc,
i can find those ,but plz tell how to calculate first order histogram

サインインしてこの質問に回答する。

採用された回答

Image Analyst
Image Analyst 2013 年 8 月 18 日
I know it sounds obvious, but did you try hist()?
[counts, binCenters] = hist(data);
P = counts/sum(counts);
meanValue = (counts .* binCenters) / sum(counts);
I presume you know how to get SD from the histogram.

その他の回答 (0 件)

カテゴリ

Help Center および File Exchange で Histograms についてさらに検索

タグ

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by