考试试卷(答案)试卷编号:( )卷课程编号:课程名称:数字图像处理(双语)考试形式:适用班级:姓名:学号:班级:学院:信息工程学院专业:电子系各专业考试日期:一二三四五六七八九十总分累 分 人 签名题分202020202000000100得分考生注意事项:1、本试卷共 5 页,请查看试卷中是否有缺页或破损。如有立即举手报告以便更换。 2、考试结束后,考生不得将试卷、答题纸和草稿纸带出考场。一、 基础知识填空题(1,2 为单项选择,每空 3 分,3,4 为多项选择,每空 2 分,共 20分), 1 1、When you enter a dark room on a bright day, it takes some time to see well enough, this is the visual process or visual phenomenon of A。 (Brightness adaptation。) B. (Brightness discrimination.)C。 (Optical illusion.) D。 (Simultaneous contrast。) 2、The visible spectrum consists of electromagnetic spectrum nearly in the range of wavelength: A。 (10 – 400nm) B。 (0。01 – 10 nm)C. (400 – 700 nm) D。 (700 – 1500 nm) 3、For V= {1}, the subsets S1 and S2are A. (m-connected) B。 (8—connected )C.(4—connected) D。(None of these 3) 4、Two pixels pandqare at the locations shown in the figure, their Euclidean, city-block and chessboard distances are respectively: A. De= ( ) B。 D4 = ( 6 )C。 D8 = ( 4 ) 0 0 0 1 2 1 2 7 6 5(p) 3 4 5 6 7(q)4 5 6 7 3 得分评阅人 二、空域图像增强题 1(Image enhancement in the spatial domain) (20 分)Exponential of the form s = T(r) = 255, 0 ≤ r ≤ 255, with α beinga positive constant , are useful for constructing smooth gray—level transformation functions。 (1) Start with this basic function and construct transformation functions having the shapes shown in the above figures。 (15分 ) ( 2 ) What kind of transformation does the function of (a) approximatelycomplete for an input of a gray intensity image? (5 分) (1) so。so (...