H13-321-ENU Online Training Archives

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1. The status sequence of HMM can neither be obtained directly nor through observation sequence.

TRUE

FALSE

2. Image target detection algorithm needs to be completed?

Judgment of target category

Calculation of confidence

Calculation of target edge

Calculation of the target position

3. Which of the following steps in the MFC extraction process?

Add window

Framing

Fourier transform

Cepstrum analysis

4. Which of the following options is not a method in the development of natural language processing?

Methods based on deep learning

Statistical-based methods

Method based on recursion

Rule-based approach

5. In image processing tasks, what is the true label of the data set?

Great Trurh

Great Target

Ground Truth

Ground Target

6. Which network structure does the convolutional neural network include?

Output layer

Convolutional layer

Fully connected layer

Pooling layer

7. What is the difficulty of speech recognition?

Dialect recognition

Multiplayer scene recognition

High noise field identification

Recognition of far-field gram wind

8. In the N-gram model, N refers to ignoring the effect of the above words with a distance greater than N. The larger the N, the richer the sequence information contained in the model, and the amount of calculation increases.

TRUE

FALSE

9. A model in which several linear models are mixed together is called a linear mixed model.

TRUE

FALSE

10. There are a lot of small noises in a photo during storage.

Which operation is the best for noise reduction?

Laplace filter

Gaussian filtering

Median filtering

Mean filtering

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11. In natural language processing, the most commonly used deep learning algorithm is CNN, because of its memory function?

TRUE

FALSE

12. Which of the following options is the method of automatically calculating the gradient.

Automatic differentiation

Multivariate function differentiation

Numerical differentiation

Symbolic differentiation

13. Which of the following options is not a commonly used algorithm for keyword extraction? (Single choice)

TF-IDF

TextRank

SSA

LDA

14. What is the correct description about the Gaussian distribution curve?

The Gaussian curve is bell-shaped, with both ends high and the middle low

The smaller the standard deviation, the flatter the curve

The larger the standard deviation, the thinner and taller the curve

The Gaussian curve is bell-shaped, with both ends low and the middle high

15. Which of the following is pretreatment?

Single channel change

Increased contrast

Affine changes

Straight main picture

16. Modifying the H component of the HSV color space will change the image? (Single choice)

Hue

Brightness

Saturation

Contrast

17. When taking light, the face is relatively dark. Use gamma correction to enhance the image to achieve a clear light effect.

Which of the Y limit can be selected. (Single choice)

0.5

18. When photographing a document with a mobile phone, the document in the image is distorted due to the shooting angle. You can find () coordinates of the corresponding key points, () transform the image, and correct the document image.

4, Affine

4, perspective

3, perspective

3, Affine

19. Which of the following templates can achieve the sharpness of the image?

010 111 010

010 131 010

0-10 -14-1 0-10

0-10 -16-1 0-10

20. The accuracy of the target detection position can be evaluated by the IOD value. The iout calculation method is to find the ratio of the union and intersection of the true annotations of the detection results.

TRUE

FALSE

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21. Markov chain is a discrete event stochastic process with Markov properties in exponential science.

TRUE

FALSE

22. The request/response of HUAWEI CAI API in accordance with the design of RESTful API includes the following.

Response message header

Request URL

Request message header

Response message body

Request message body

23. Image recognition tasks can be divided into three levels, according to the abstraction of the processing content, from low to high?

Image processing, image analysis, image understanding

Image analysis, image understanding, image processing

Image understanding. Image analysis. Image Processing

Image analysis, image processing, image understanding

24. Use a 3*3 convolution kernel to convolve a three-channel color image.

What is the number of parameters to be learned?

25. An APP that can display plant names and breeding methods after taking photos of plants in pots. Its core is the use of image classification technology.

TRUE

FALSE

26. What is the word segmentation method in the jieba framework?

cut

lcut_for_search

lcut

cut_for_search

27. (Judgment) Back propagation is a common method used to train artificial neural networks.

TRUE

FALSE

28. In the Gaussian mixture model, since the distribution of each sample point is unknown, it is impossible to use the maximum function to solve the parameters.

TRUE

FALSE

29. Dropout is to randomly discard a certain proportion of sample data during model training.

TRUE

FALSE

30. Convolve a pair of three-channel color images with two 3x3 convolution kernels.

How many channels does the resulting feature map have? (Single choice)