is it im2double() have the same result with double()?
4 ビュー (過去 30 日間)
古いコメントを表示
i read a image name it 'lena'
is it im2double(lena) == double(lena)?
回答 (2 件)
Jan
2017 年 4 月 4 日
While double() converts the type of the data only, im2double() cares for the values also:
img = uint8([255, 127])
double(img) % >> [255, 127] as double
im2double(img) % >> [1, 0.498] as double
The values are scaled to the range [0.0, 1.0] as wanted.
0 件のコメント
参考
カテゴリ
Help Center および File Exchange で Convert Image Type についてさらに検索
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!