The status sequence of HMM can neither be obtained directly nor through observation sequence.
- A . TRUE
- B . FALSE
Image target detection algorithm needs to be completed?
- A . Judgment of target category
- B . Calculation of confidence
- C . Calculation of target edge
- D . Calculation of the target position
Which of the following steps in the MFC extraction process?
- A . Add window
- B . Framing
- C . Fourier transform
- D . Cepstrum analysis
Which of the following options is not a method in the development of natural language processing?
- A . Methods based on deep learning
- B . Statistical-based methods
- C . Method based on recursion
- D . Rule-based approach
In image processing tasks, what is the true label of the data set?
- A . Great Trurh
- B . Great Target
- C . Ground Truth
- D . Ground Target
Which network structure does the convolutional neural network include?
- A . Output layer
- B . Convolutional layer
- C . Fully connected layer
- D . Pooling layer
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
In the N-gram model, N refers to ignoring the effect of the above words with a distance greater than N. The larger the N, the richer the sequence information contained in the model, and the amount of calculation increases.
- A . TRUE
- B . FALSE
A model in which several linear models are mixed together is called a linear mixed model.
- A . TRUE
- B . FALSE
There are a lot of small noises in a photo during storage.
Which operation is the best for noise reduction?
- A . Laplace filter
- B . Gaussian filtering
- C . Median filtering
- D . Mean filtering
In natural language processing, the most commonly used deep learning algorithm is CNN, because of its memory function?
- A . TRUE
- B . FALSE
Which of the following options is the method of automatically calculating the gradient.
- A . Automatic differentiation
- B . Multivariate function differentiation
- C . Numerical differentiation
- D . Symbolic differentiation
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
What is the correct description about the Gaussian distribution curve?
- A . The Gaussian curve is bell-shaped, with both ends high and the middle low
- B . The smaller the standard deviation, the flatter the curve
- C . The larger the standard deviation, the thinner and taller the curve
- D . The Gaussian curve is bell-shaped, with both ends low and the middle high
Which of the following is pretreatment?
- A . Single channel change
- B . Increased contrast
- C . Affine changes
- D . Straight main picture
Modifying the H component of the HSV color space will change the image? (Single choice)
- A . Hue
- B . Brightness
- C . Saturation
- D . Contrast
When taking light, the face is relatively dark. Use gamma correction to enhance the image to achieve a clear light effect.
Which of the Y limit can be selected. (Single choice)
- A . 1
- B . 0
- C . 0.5
- D . 2
When photographing a document with a mobile phone, the document in the image is distorted due to the shooting angle. You can find () coordinates of the corresponding key points, () transform the image, and correct the document image.
- A . 4, Affine
- B . 4, perspective
- C . 3, perspective
- D . 3, Affine
Which of the following templates can achieve the sharpness of the image?
- A . 010
111
010 - B . 010
131
010 - C . 0-10
-14-1
0-10 - D . 0-10
-16-1
0-10
The accuracy of the target detection position can be evaluated by the IOD value. The iout calculation method is to find the ratio of the union and intersection of the true annotations of the detection results.
- A . TRUE
- B . FALSE
Markov chain is a discrete event stochastic process with Markov properties in exponential science.
- A . TRUE
- B . FALSE
The request/response of HUAWEI CAI API in accordance with the design of RESTful API includes the following.
- A . Response message header
- B . Request URL
- C . Request message header
- D . Response message body
- E . Request message body
Image recognition tasks can be divided into three levels, according to the abstraction of the processing content, from low to high?
- A . Image processing, image analysis, image understanding
- B . Image analysis, image understanding, image processing
- C . Image understanding. Image analysis. Image Processing
- D . Image analysis, image processing, image understanding
Use a 3*3 convolution kernel to convolve a three-channel color image.
What is the number of parameters to be learned?
- A . 27
- B . 9
- C . 28
- D . 10
An APP that can display plant names and breeding methods after taking photos of plants in pots. Its core is the use of image classification technology.
- A . TRUE
- B . FALSE
What is the word segmentation method in the jieba framework?
- A . cut
- B . lcut_for_search
- C . lcut
- D . cut_for_search
(Judgment) Back propagation is a common method used to train artificial neural networks.
- A . TRUE
- B . FALSE
In the Gaussian mixture model, since the distribution of each sample point is unknown, it is impossible to use the maximum function to solve the parameters.
- A . TRUE
- B . FALSE
Dropout is to randomly discard a certain proportion of sample data during model training.
- A . TRUE
- B . FALSE
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