H13-321_V2.0-ENU exam

Which of the following models can be used for natural language processing?A . DTB . SVMC . HMMD . Linear regressionView AnswerAnswer: C

How can the entire digital image after sampling and quantization be represented mathematically?A . ChannelB . MatrixC . CoordinatesD . PixelsView AnswerAnswer: B

What is the abbreviation of the conditional random field algorithm?A . SVMB . CRFC . HMMD . GMMView AnswerAnswer: B

Regarding CBOW and Skip-Gram algorithms, which of the following statements is incorrect?A . Both CBOW and Skip-Gram can be used to train word embeddings, but Skip-Gram is faster than CBOW.B . CBOW calculates the probability of a word appearing based on the n words preceding it or the n consecutive...

Which of the following is not a speech acoustic feature?A . DurationB . SemanticsC . FrequencyD . AmplitudeView AnswerAnswer: B

The bag-of - words model is the earliest text vectorization method that uses words as the basic processing unit. Which of the following options is not a defect of the bag-of-words model?A . Unable to preserve order informationB . Based on the distribution hypothesisC . The curse of dimensionalityD ....

If the sampling frequency is f and the number of frames is a, which of the following is the length of the sound signal?A . a/2fB . 2a/fC . a/fD . a*fView AnswerAnswer: C

Which of the following options is the algorithm used to estimate the parameters of a single Gaussian model?A . EM algorithmB . Maximum Likelihood EstimationC . Viterbi algorithmD . Forward-backward algorithmView AnswerAnswer: B

How difficult is speech recognition?A . Personal characteristicsB . ScenariosC . Geographical factorsD . All of the aboveView AnswerAnswer: D

Solve equationsA . 4-1-3-2-5B . 2-1-3-4-5C . 1-3-4-2-5D . 2-3-1-4-5View AnswerAnswer: D