1) pixel brightness
![点击朗读](/dictall/images/read.gif)
象元亮度
2) brightness of Image
![点击朗读](/dictall/images/read.gif)
象亮,图象亮度
3) image brightness
![点击朗读](/dictall/images/read.gif)
象亮度<光>
4) image brightness
![点击朗读](/dictall/images/read.gif)
图象亮度
5) Luminance element
![点击朗读](/dictall/images/read.gif)
亮度元
6) low-luminosity image
![点击朗读](/dictall/images/read.gif)
低亮度图象
补充资料:鲍德温氏图象