Tag - H13-321_V2.0-ENU exam

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

What is Gaussian distribution also called?A . Random distributionB . Discrete distributionC . Normal distributionD . Abnormal distributionView AnswerAnswer: C

Which of the following options does not belong to the three levels of natural language processing technology?A . Speech AnalysisB . Lexical AnalysisC . Syntactic AnalysisD . Semantic AnalysisView AnswerAnswer: A

Which of the following statements about participles is incorrect?A . Rule-based word segmentation is simple and efficient, but dictionary maintenance is difficult.B . The purpose of statistical segmentation is to perform probability calculation on the segmentation results and obtain the segmentation method with the highest probability.C . Chinese is different...

Which of the following indicators cannot be output by the classification_report in the sklearn.metrics model evaluation indicator module?A . f1-ScoreB . recallC . accuracyD . precisionView AnswerAnswer: C

In the image preprocessing filtering experiment, which of the following functions calls OpenCV's median blur API?A . cv2.GaussianBlur(im, (5, 5), 0)B . cv2.blur(im, (3, 3))C . cv2.medianBlur(im, 5)D . cv2.filter2D(im, -1, sharpen_1)View AnswerAnswer: C

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