H13-321 Online Practice Questions and Answers

When taking a selfie, what kind of transformation does the picture displayed on the front lens of the mobile phone need to pass before it can be a real scene image.

A. Direct mirror

B. Horizontal mirroring

C. Spin

D. Pan

The histogram specification can adjust the histogram of the image to the specified distribution according to experience, so as to enhance the region of interest in the image.

A. TRUE

B. FALSE

Histogram equalization can enhance the visual effect of the image. This technique can automatically calculate the transformation function without artificially setting parameters. The operation is simple and suitable for all situations.

A. TRUE

B. FALSE

The character recognition of the scanned documents is because the scanned documents are not placed well, and the text has angles, which makes recognition difficult. Which of the following technical methods can be used for correction? (Multiple choices)

A. Grayscale transformation

B. Rotation transformation

C. Affine transformation

D. Perspective transformation

What types of phonetics include?

A. Acoustic phonetics

B. phonological phonetics

C. Phonological Phonetics

D. Auditory phonetics

What is not an acoustic feature of speech?

A. Frequency

B. Duration

C. Amplitude

D. Semantics

What is the difficulty of speech recognition?

A. Dialect recognition

B. Multiplayer scene recognition

C. High noise field identification

D. Recognition of far-field gram wind

Word2vce uses the cosine value to calculate the similarity, the distance range is between 0-1, the larger the value, the higher the correlation between the two words.

A. TRUE

B. FALSE

When the parameter sg=1 of word2vce in the gensim package represents the selection of the CBOW algorithm.

A. TRUE

B. FALSE

In the Huawei cloud content detection service, which of the following parameters is not a public request message header.

A. X-Sdlk-Date

B. Authorization

C. Post

D. Host