Digital Image Processing(Wuhan University) 中国大学慕课答案2024完整版100分

对应课程:点击查看
起止时间:2020-12-09到2021-06-30
更新状态:每5天更新一次

1.Introduce Unit test1

1、 1. According to the number of bands, digital images can be categorized into ( ).

A:A. Multi-band images
B:B. Super-band images
C:C. Color images
D:D. Single-band images
答案: A. Multi-band images;
B. Super-band images;
D. Single-band images

2、 2. Based on the degree of abstraction, digital image processing can be categorized into three levels, namely ( )

A:A. Image analysis
B:B. Image interpretation
C:C. Image processing in a narrow sense
D:D. Image understanding
答案: A. Image analysis;
C. Image processing in a narrow sense;
D. Image understanding

2.Basic concepts Unit 2 test

1、 1.Image digitization includes the following two processes ( ).

A:A. Discretization
B:B. Enhancement
C:C. Quantization
D:D. Sampling
答案: C. Quantization;
D. Sampling

2、 2.Image features are an important basis for image analysis and can be divided into two types: natural features and artificial features. Which of the followings are natural features( )

A:A. Temporal features
B:B. Spectral features
C:C. Edge features
D:D. Geometric features
答案: A. Temporal features;
B. Spectral features;
D. Geometric features

3.Image transformation Unit3 test

1、 1.The two-dimensional Fourier transform has several properties and conversion laws . Which of the following properties belong Fourier transform ( ).

A:A. Separability
B:B. Derivability
C:C. Symmetry
D:D. Conjugate symmetry
答案: A. Separability;
B. Derivability;
D. Conjugate symmetry

2、 2.In the digital image processing, the purpose of the image orthogonal transform is to ( ).

A:A. facilitate the image feature extraction
B:B. assist to conceptually enhance the understanding of image information
C:C. Convert the image into a form more conducive for automatic analysis
D:D. Simplify image processing problems
答案: A. facilitate the image feature extraction;
B. assist to conceptually enhance the understanding of image information;
D. Simplify image processing problems

4.Image enhancement Unit 4 test

1、 Image enhancement can be categorized into ( ) enhancement according to the action domain.

A:frequency domain
B:time domain
C: spatial domain
D:Spectral domain
答案: frequency domain;
spatial domain

2、 2.Histogram correction mainly includes ( ) and ( ).

A:histogram standardization