Multilevel Histogram thresholding

2011 12 23
1 个回答
回答已采纳
1 次查看（30 天）

0 个投票

currently i am working on video files.Can you tell how to perform multilevel histogram thresholding on the gray scale images extracted from the video files?

请先登录，再回答此问题。

 采纳的回答

Image Analyst
Image Analyst 2011-12-23

1 个投票

binaryImage = (grayImage < upperThreshold) & (grayImage > lowerThreshold);

5 个评论
显示 3更早的评论 隐藏 3更早的评论

srikanth
srikanth 2012-6-19
Thanks, but i have to perform automatic thresholding
Image Analyst
Image Analyst 2012-6-19
So use an algorithm to pick the two thresholds.
srikanth
srikanth 2012-6-26
thanks,
i have to work on the threshold has to be updated automatically according to illumination changes to get the bright objects like vehicle headlights in a night time traffic scene efficiently. can u suggest any sample code for this.
Image Analyst
Image Analyst 2012-6-26
You can look here: http://fiji.sc/wiki/index.php/Auto_Threshold
You might look in this book: http://szeliski.org/Book/drafts/SzeliskiBook_20100818_draft.pdf

请先登录，再进行评论。

更多回答（0 个）

类别

在 帮助中心 和 File Exchange 中查找有关 Histograms 的更多信息

标签

Community Treasure Hunt

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

Start Hunting!

Translated by