Visual representation of image shading or color change
Tone refers to the visual expression of the change of light and shade or color depth of an image.
- Chinese name
- Step tone
- Foreign name
- tone
- Features
- The degree of reflection density express
- Meaning
- An optical representation of an area of uniform brightness.
Step tone
In image information restoration, the optical representation of an area with uniform brightness. Step value A measure of step. stay Printing technology The degree of transmission and reflection commonly used in density express. The part of the high profile picture that receives more light is bright and white, which is called high profile. Low key refers to the dark part of the picture, or dark key. 
