大学MOOC Digital Image Processing(Wuhan University)1458263168 最新慕课完整章节测试答案

Unit test1

1、多选题：
‌1. According to the number of bands, digital images can be categorized into (     ).​
选项：
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、多选题：
‌2. Based on the degree of abstraction, digital image processing can be categorized into three levels, namely (  )​‌​
选项：
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】

Unit 2 test

1、多选题：
‌1.Image digitization includes the following two processes (     ).‏
选项：
A: A. Discretization
B: B. Enhancement
C: C. Quantization
D: D. Sampling
答案: 【 C. Quantization;
D. Sampling】

2、多选题：
‍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(     )‎‍‎
选项：
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】

Unit3 test

1、多选题：
‏1.The two-dimensional Fourier tra