Natural language is a symbolic system with speech as its material shell, consisting of vocabulary and grammar. It is a natural language like Java, C++ and other languages..

• A.True
• B.False

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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.medianBlur(im, 5)
• C.cv2.blur(im, (3, 3))
• D.cv2.filter2D(im, -1, sharpen_1)

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The larger the template size, the better the denoising effect of the mean filter. When performing denoising, a large-sized template should be selected for mean filtering.

• A.False
• B.True

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GMM-HMM need label data when completing speech recognition.

• A.True
• B.False

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Language models can be used to solve problems such as predicting the next word based on context.

• A.True
• B.False

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