【单选题】有关下列matlab程序或函数说法正确的是____。 f=imread('Fig0627(a)(jupitermoon_original).tif'); imshow(f) mask=roipoly(f); red=immultiply(mask,f(:,:,1)); imshow(red) green=immultiply(mask,f(:,:,2)); close all; imshow(gr...
A.
mask=roipoly(f); %利用鼠标选择多边形区域
C.
red=immultiply(mask,f(:,:,1));%实现蒙版效果,得的图像f的红通道的mask标识的区域
D.
g=cat(3,red,green,blue); %得的mask标识区域的图像
【单选题】FC-SAN与IP-SAN比较哪项是错误的()。
A.
FC-SAN受到传输距离的限制,IP-SAN理论上不受限制
C.
FC-SAN容灾的硬件、软件成本高,IP-SAN本身可以实现本地和异地容灾且成本低
D.
FC-SAN要单独建设光纤网络和HBA卡,IP-SAN可使用现有IP网络
【单选题】Either a low injection pressure or a leakage of piston rings is able to lead _____.
A.
a high exhaust temperature
【判断题】It is not necessary to write an annotated bibliography in small research projects.
【单选题】No matter how low you consider yourself , there is always someone ___ you wishing they were that high.
【单选题】The underlined word annotated in the second paragraph most probably means ______.
【多选题】对下列matlab函数或语句解释正确的是____。 f_average = fspecial('average',[3 3]); f_sobel = fspecial('sobel'); f_laplacian = fspecial('laplacian',0); A = mat2gray(imread('moon.tif')); B1 = imfilter(A,f_average); B2 = ...
B.
mat2gray(imread('moon.tif'));转换图像数据(0~255)至灰度图像数据,范围为0~1