题目内容

If a digital image covers a broad range of the gray scale, then it has low contrast.

查看答案

搜索结果不匹配？点我反馈

更多问题

Which one belongs to point operations?

A. direct gray scale transform
B. sobel operators
C. fourier transform
D. median filters

For the smoothing filters in spatial domain, which of the following statements is true?

A. The principle is mask convolution.
B. The sign of each coefficient of the mask is positive.
C. The sum of all coefficients of the mask is 0.
D. The function is to denoise image.

查看答案

If the gray levels of an image are coded in a way that uses more code symbols than absolutely necessary to represent each gray level, the resulting image is said to contain （）.

A. spatial redundancy
B. code redundancy
C. interpixel redundancy
D. psychovisually redundancy

查看答案

The mapping relationship between images and gray-level histograms is （ ).

A. one to one
B. many to one
C. one to many
D. none of them

查看答案

If a digital image covers a broad range of the gray scale, then it has low contrast.

Which one belongs to point operations?

For the smoothing filters in spatial domain, which of the following statements is true?

If the gray levels of an image are coded in a way that uses more code symbols than absolutely necessary to represent each gray level, the resulting image is said to contain （ ）.

The mapping relationship between images and gray-level histograms is （ ).

If the gray levels of an image are coded in a way that uses more code symbols than absolutely necessary to represent each gray level, the resulting image is said to contain （）.