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Question 1:

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

A. TRUE

B. FALSE

Correct Answer: A


Question 2:

What are the processing procedures included in image digitization? (Multiple choices)

A. Binarization

B. Quantification

C. Grayscale transformation

D. Sampling

Correct Answer: ABCD


Question 3:

How many brightness changes can a 4-bit image distinguish? (Single choice)

A. 8

B. 16

C. 128

D. 256

Correct Answer: A


Question 4:

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

A. Hue

B. Brightness

C. Saturation

D. Contrast

Correct Answer: D


Question 5:

(Judgment) The background difference method is to use the current frame in the image sequence and the background reference model for subtraction, which can realize the detection of moving objects in the image.

A. TRUE

B. FALSE

Correct Answer: A


Question 6:

(Judgment) The image filter operation is also called template operation. The commonly used template operations include template convolution and template sorting.

A. TRUE

B. FALSE

Correct Answer: B


Question 7:

What is the use process of ModelArts automatic learning? (Single choice)

A. Deploy online -> Model training -> Data annotation

B. Model training -> data annotation -> deployment online

C. Data annotation -> model training -> deployment online

D. Data annotation -> deployment online -> model training

Correct Answer: C


Question 8:

The image target detection algorithm needs to be completed? (Multiple choice)

A. Calculation of target position

B. Judgment of target category

C. Calculation of confidence

D. Calculation of target edge

Correct Answer: ABCD


Question 9:

(Judgment) Image feature extraction is a dimensionality reduction idea, which can effectively reduce the amount of image data.

A. TRUE

B. FALSE

Correct Answer: A


Question 10:

Convolve a pair of three-channel color images with two 3×3 convolution kernels. How many channels does the resulting feature map have? (Single choice)

A. 1

B. 2

C. 3

D. 4

Correct Answer: C


Question 11:

What are the speech synthesis methods? (Multiple Choice)

A. Formant synthesizer

B. Series formant synthesizer

C. Parallel formant synthesizer

D. PSOLA method

Correct Answer: ABCD


Question 12:

What algorithm engines are supported by ModelArts training assignments? (Multiple Choice)

A. PyTorch

B. MXNet

C. Spark MLlib

D. TensorFlow

Correct Answer: ABCD


Question 13:

Named entity recognition refers to recognizing entities with specific meanings in the text. Which ones are mainly included? (Multiple Choice)

A. Name

B. Place name

C. Organization name

D. Time

E. Date

Correct Answer: ABCDE


Question 14:

(Judgment) TF-IDF is a calculation method based on statistics, which is often used to evaluate the importance of a word in a document set to all documents.

A. TRUE

B. FALSE

Correct Answer: A


Question 15:

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

A. TF-IDF

B. TextRank

C. SSA

D. LDA

Correct Answer: C