图像处理复习题new文档格式.docx
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b.6,5
c.8,9
6.Thevaluethatdenoteswhitecolorcanbecalculatedas:
whitecolor=_____
(表示白色的值可以怎样计算?
)
a.2bpp-1
b.1-2bpp
c.2bpp-1
d.2bpp
7.Thefamousgrayscaleimageisof____bpp,meansithas256shades.
(流行的灰度图像的bpp值是多少,即它有256种灰度)
a.8
b.4
c.24
d.Noneoftheabove
8.Binaryimageshaveaformatof_____
(二值图的文件格式是)
a.JPG
b.PBM
c.PNG
d.GIF
9.8bitcolorformatwasusedinitiallybyearlymodelsoftheoperatingsystems___andtheearlycolorMacintoshes.(什么操作系统早期模型和早期彩色苹果机最初开始使用8位图)
a.MicrosoftWindows
b.LINUX
c.UNIX
d.DOS
10.Thedistributionof16bithasbeendonelikethis.
(16位的分配可以这样:
a.5bitsforR,6bitsforG,5bitsforB.
b.6bitsforR,5bitsforG,5bitsforB.
c.5bitsforR,5bitsforG,6bitsforB.
d.5bitsforR,5bitsforG,5bitsforB.
11._______ComputersusedtoimprovethequalityofimagesofthemoontakenbytheRanger7probe
(哪一年计算机被用来提高7号探测器拍摄的月球图像质量)
a.1965
b.1964
c.1963
d.1960
12.p(x,y)isapixel:
whichoneisN4(p):
4neighborofP
(哪一个是像素p的4邻域)
*
P
a.
b.
c.
13.Whichstatementrepresentpath:
(下面哪个定义表示通路)
a.frompixelpwithcoordinates(x,y)topixelqwithcoordinates(s,t)isasequenceofdistinctpixelswithcoordinates(x0,y0),(x1,y1),…..,(xn,yn),where(x0,y0)=(x,y)and(xn,yn)=(s,t)and(xi,yi)adjacentto(xi-1,yi-1),1<
=i<
=n
(从坐标为(x,y)的像素p到坐标为(s,t)的像素q的通路是不同像素组成的像素系列:
(x0,y0),(x1,y1),…..,(xn,yn),这里(x0,y0)=(x,y),(xn,yn)=(s,t)并且(xi,yi)与(xi-1,yi-1)邻接,1<
=n)
b.asetofpixelinanimagewhereallcomponentpixelsareconnected.
c.4‐adjacency:
twopixelspandqwithvaluesinVare4‐adjacentifqisinthesetN4(p)
14.Theequationiscalled:
(上面这个公式表示:
a.EuclidianDistance
b.CityBlockdistance
c.Chessboarddistance
15.Whatisdigitalimage?
a.Whenx,y,andtheamplitudevaluesoffareallinfinite,discretequantities,wecalltheimageadigitalimage.(数字图像表示成f(x,y),如果x,y,f的值都是无限,离散值,则这个图像称为数字图像)
b.Whenx,y,andtheamplitudevaluesoffareallfinite(有限),discretequantities,wecalltheimageadigitalimage.
c.a&
b
d.Noneofthese
16.PGMstandfor_____(PGM表示什么)
a.PortableGrayMap
b.PermanentGrayMap
c.PrimaryGrayMap
17.Thehumaneyeismoresensitivetoerrorsin_____thanintheothertwoprimarycolors(人类眼睛对什么基色的错误比其它基色更敏感)
a.Blue
b.Red
c.Green
18.Whichstatementisusedtoenclosetheforloopbody.(matlab中下面哪个用来表示for循环体的结束)
a.}
b.:
c.END
d.;
19.WhichoneiswrongoptionforimagereadinginMATLAB.(对于读取图像,matlab中下面哪个是错误的选项)
a.imread(‘’);
b.loadimage(‘’);
c.only(a)
d.noneoftheabove
20.HowtoconvertRGBimagetogray(matlab中哪个函数可以用来将RGB图像转换成灰度图)
a.rgbgray();
b.imrgb2gray();
c.rgb2gray();
1.Pixelisthetermusedmostwidelytodenotethe_____ofadigitalimage.(像素通常是指数字图像的什么)
a.Elements
b.Array
c.Point
2.Thenumberofdistinctcolorsthatcanberepresentedbyapixeldependsonthenumberof______(一个像素能表达多少种颜色取决于什么)
a.bpv
b.bpp
c.(a)and(b)
3.Highcolor,usuallymeaning______,normallyhasfivebitsforredandblue,andsixbitsforgreen.(高彩通常指什么,它一般分别用5位来表示红和蓝,绿用6位来表示)
a.8bpp
b.18bpp
c.16bpp
4.Forapplicationsinvolvingtransparency,the16bitmaybedividedintofivebitseachofred,green,andblue,withonebitleftfor_______.(对于涉及透明的应用,16位的分配通常是红,绿,蓝各占5位,剩下1位用于什么)
a.transparency
b.power
c.grayscale
5.Shadescanberepresentedas:
Shades=Numberofcolor=___(色调可以表示为:
色调=颜色数量=?
a.bpp2
b.2bpp
c.2-bpp
6.Theformatof8bitcolorimagesare_____.(8位彩色图的格式是)
a.PBM
b.JPG
d.PGM
7.Thedistributionof16bithasbeendonelikethis.(16位的分配可以是____)
a.5bitsforR,5bitsforG,5bitsforB,1bitsforalphachannel.
b.5bitsforR,6bitsforG,4bitsforB,1bitsforalphachannel.
c.6bitsforR,3bitsforG,6bitsforB,1bitsforalphachannel.
d.4bitsforR,6bitsforG,4bitsforB,2bitsforalphachannel.
8.______s:
Digitalimageprocessingbeginstobeusedinmedicalapplications(哪一年代,数字图像处理开始应用于医学)
a.1960
b.1956
c.1970
d.1920
9.p(x,y)isapixel.whichoneisND(p):
DiagonalneighborofP(哪一个是像素p的对角邻域)
a.
b.
c.
10.Theequationiscalled:
(下面这个公式表示像素p,q间的距离,请问是哪种距离)
11.s=c*log(1+r),isusefor.
a.Imagescaling
b.Powerlawtransformation
c.Imagenegative
d.Logtransformation
12.Thefieldofdigitalimageprocessingreferstoprocessingdigitalimagesbymeans:
(数字图像处理指用什么来处理数字图像)
a.Digitalcomputer
b.Supercomputer
c.mini-computer
13.Thisisa:
(下面这个模板是什么滤波器模板)
-1
8
a.PointDetectionmask(点检测模板)
b.Linedetectionmask(Horizontal)(水平线检测模板)
c.Linedetectionmask(vertical)(垂直线检测模板)
d.noneofabove
14.Directmanipulationofpixelinanimage(ontheimageplane)methodiscalled.(直接对图像像素进行操作的方法称为什么)
a.Spatialdomain(空域)
b.Frequencydomain(频域)
c.Fouriertransform(傅里叶变换)
15.Digitizingthe______valuesiscalledsampling.(数字化什么称为采样)
a.Amplitude
b.coordinate
c.frequency
16.Inwhichtechniquewhichisusedtodeterminechangesbetweentwoimages?
(下面哪种方法可以用来计算两副图像间的变化)
a.Segmentation
b.skintextureanalysis
c.imageaddition
d.Imagedifferencing
17.Whichistheimageprocessingtechniqueusedtoimprovethequalityofimageforhumanviewing?
(下面哪种图像处理技术可以用来提高图像视觉质量)
a.compression
b.enhancement
c.restoration
d.analysis
18.Whichofthefollowingiscorrectcommandforimagereading?
(下面哪个matlab函数是用来读图像的)
a.Imageread(“”);
b.read(“”):
c.Fread(‘’);
d.imread(‘’);
19.Whichofthefollowingiscorrectcommandtofindresizeofimage?
(下面哪个matlab函数是用来调整图像大小的)
a.imresize();
b.resize():
c.size();
d.findesize(‘’);
20.Whichofthefollowingcommandisusedtofindsizeofimage?
(下面哪个matlab函数可以得到图像大小)
a.imsize(“”);
d.findsize(‘’);
21.Adigitalimageisarepresentationofatwodimensional___(数字图像用二维什么来表示)
a.Float
b.Array
c.String
22._____isthetermusedmostwidelytodenotetheElementsofadigitalimage.(什么术语用于指代数字图像的元素)
a.Pixel
b.intensity
c.graylevel
23.____Valuestypicallyrepresentgraylevels,colors,heights,Opacitiesetc.(什么值一般用来表示灰度级,颜色,高度和透明度等)
a.Digitalimage
b.Intensity
c.pixel
24.2bppimagecanhave____colors(2bpp图像可以有多少种颜色)
a.4
b.6
c.8
d.2
25.The____ismoresensitivetoerrorsingreenthanintheothertwoprimarycolors(什么对绿色错误比其它二个基色的错误更敏感)
a.Camera
b.Scanner
c.MRI
d.HumanEyes
26.BWColor:
(0black,1white)it’salsocalled____color(黑白色也叫什么色)
a.Gray
b.Secondary
c.Binary
27.16bitcolorformatimagehas___differentcolorsinit.(16位彩色格式图像有多少种不同的颜色)
a.65536
b.256
c.65540
28.Samplingandquantizationwillconvertacontinuousimagesignalftoadiscrete____form.(采样和量化把一个连续图像信号转化成一个离散什么形式)
a.Digital
b.Analog
c.Picture
29.WhichstatementrepresentRegion:
:
(下面哪个定义表示区域)
=n(从坐标为(x,y)的像素p到坐标为(s,t)的像素q的通路是不同像素组成的像素系列:
b.Asetofpixelinanimagewhereallcomponentpixelsareconnected.(所有相互连接的像素的集合)
30.TworegionsRiandRjaresaidtobeadjacentiftheir_____formsaconnectedset;
otherwise,theyaredisjoint(两个区域Ri和Rj定义成是邻接的,如果它们的什么形成一个连接集,否则它们不相连)
a.Union
b.Intersection
c.Both(a)and(b)
31.Theequationiscalled:
(下面这个公式是什么公式)
D4(p,q)=|x-s|+|y-1|
b.Chessboarddistance
c.CityBlockdistance
32.s=T(r)=a*r(‘a’isaconstant)isusefor.(s=T(r)=a*r起什么作用)
a.Powerlawtransformation
b.Imagenegative
c.Logtransformation
d.Imagescaling
33.Thisisa:
2
a.PointDetectionmask
b.Linedetectionmask(+450)
c.Linedetectionmask(vertical)
d.noneofabove
34.An........isaplacewherethereisarapidchangeinthebrightness(orotherproperty)ofanimage.(图像中的什么有亮度或其它属性的快速变化)
a.edge
b.point
c.line
35.Imageneg