why should i subtract mean of image when searching for position of sub-image in image?
3 ビュー (過去 30 日間)
Dror Aizik 2020 年 5 月 14 日
回答済み: Jalaj Gambhir 2020 年 8 月 27 日
i have tried several times to find position of sub-image inside the bigger image, and i found out that i must substract the mean of the images for it.
i still couldn't understand why.
can someone help please?
回答 (1 件)
Jalaj Gambhir 2020 年 8 月 27 日
I am not sure the complete process that you are following, but subtraction with mean Image is generally done to center the image. It is a common preprocessing step for most Image Processing algorithms.
Hope this helps!
Find more on Modify Image Colors in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!Start Hunting!