Which of the following statements about image texture is correct: refers to which characteristics of the image? ( ) A: Image texture is the relative brightness of objects in the image B: Image texture is the apparent roughness of an image region C: Image texture is the apparent smoothness of an image region D: Image texture is the frequency of tonal change on an image

在下列的 HTML 中，______可以产生超链接 A: EDU B: EDU C: http:// www.edu.cn D: EDU

设矩阵http://edu-image.nosdn.127....的秩是3，则A中所有的5阶子式都等于零。

信噪比http://edu-image.nosdn.127....制系统的抗高斯白噪声的误码性能优劣顺序为

设A是http://edu-image.nosdn.127....若Ax=0仅有零解，则Ax=b有惟一解.

8位有符号整数可以表示的数的范围是() A: 0~-127 B: -127~-127 C: -127~128 D: -128~127

Which of the following is not a description of image texture? （ ） A: the frequency of tonal change on an image B: the apparent roughness of an image region C: the apparent smoothness of an image region D: relative brightness of objects in the image

8位二进制有符号数补码能够表示的十进制数范围是（） A: 0～+127 B: -128～+127 C: -127～+127 D: -127～+12

8位整数补码的表示范围是____。 A: -127~+127 B: -128~+128 C: -127~+128 D: -128~+127

原码-127的反码是 _____。 A: 127 B: +0 C: –0 D: +127