CPV301-FE EXAM QUESTIONS & ANSWERS
In ... , the value of an output pixel is also computed as a weighted sum of neighboring
pixels.
A. Filter
B. Correlation
C. Kernel
D. Point - Answers - B. Correlation
Algorithms used for face detection based on what set features to recognize faces?
Choose the best correct answer
A. Eyes, eyebrows, nose, hair, jaw
B. Eyes, eyebrows, nose, neck, mouth
C. Eyes, eyebrows, nose, mouth, jaw
D. Eyes, eyebrows, jaw, neck, ear - Answers - C. Eyes, eyebrows, nose, mouth, jaw
Choose the best description of the Shearing transformations
A. Shearing an image means shifting the pixel values either horizontally or vertically.
B. It is sounding like translation, but the difference is that shifting is not done by the same
amount.
C. Basically, this shift some part of an image to a direction and other parts to some other
direction.
D. All of the others. - Answers - D. All of the others.
What do the components of a pixel include?
A. Intensity value and size of the image
B. Position address and intensity value.
C. Position address and size of the image.
D. All of the others. - Answers - B. Position address and intensity value.
Choose the best answer about homogeneous coordinates
A. Homogeneous coordinate is a system of coordinates used in projective images.
B. It is used to change the color of the original image to a new dimension.
C. It is used to perform salt and pepper noise filters.
D. It is the way to approach the projective plane analytically. - Answers - D. It is the way
to approach the projective plane analytically.
In image processing, why is the Fourier transform used?
A. The Fourier Transform is used if we want to access the geometric characteristics of a
frequency domain image.
B. Because the image in the Fourier domain is decomposed into its sinusoidal
components.
C. It is easy to examine or process certain spatial of the image, thus influencing the
geometric structure in the spatial domain.
D. All of the others. - Answers - B. Because the image in the Fourier domain is
decomposed into its sinusoidal components.
, What is a geometric primitive?
A. They work just like the blocks in a typical preschool building set.
B. Geometric primitives are represented as points and lines.
C. Geometric primitives are the basic shapes we all know and recognize.
D. All of the others. - Answers - D. All of the others.
In image processing, what is the use of the digital camera?
A. The digital camera is used to convert digital images to images stored in the computer.
B. The digital camera is a camera that captures photographs in digital memory.
C. The digital cameras use an arithmetic system, for the acquisition and representation
of images.
D. The digital camera is a device that captures input and output images. - Answers - B.
The digital camera is a camera that captures photographs in digital memory.
Choose the best description of the feature descriptors
A. Feature descriptor is an algorithm that takes an image and outputs feature vectors.
B. Feature descriptors are used to find the essential features from the given image.
C. Feature descriptors are used to convert features to other representations through
spatial transformations.
D. All of the others. - Answers -
We have source image f(x) and transformation formula x' = h(x). We can compute the
values of the pixels in the new image g(x) by using MIP-mapping. Choose the best
description about MIP-mapping:
A. A MIP-map is a standard image pyramid where each level is pre-filtered rather than a
poorer quality approximation.
B. A MIP-map are pre-calculated, optimized sequences of images, each of which is a
progressively lower resolution representation of the previous.
C. All of the others.
D. None of the others. - Answers - A. A MIP-map is a standard image pyramid where each
level is pre-filtered rather than a poorer quality approximation.
In K-means for Segmentation, what is the meaning of K value?
A. It represents the number of clusters.
B. It represents the number of images.
C. It represents the step of clusters.
D. It represents the color groups. - Answers - A. It represents the number of clusters.
It is a type of image segmentation, where we change the pixels of an image to make the
image easier to analyze. We convert an image from color or grayscale into a binary image,
i.e, one that is simply black and white. What is the exact name of this process?
A. Thresholding Segmentation
B. Edge-Based Segmentation
C. Region-Based Segmentation.
D. Watershed Segmentation. - Answers - A. Thresholding Segmentation
In ... , the value of an output pixel is also computed as a weighted sum of neighboring
pixels.
A. Filter
B. Correlation
C. Kernel
D. Point - Answers - B. Correlation
Algorithms used for face detection based on what set features to recognize faces?
Choose the best correct answer
A. Eyes, eyebrows, nose, hair, jaw
B. Eyes, eyebrows, nose, neck, mouth
C. Eyes, eyebrows, nose, mouth, jaw
D. Eyes, eyebrows, jaw, neck, ear - Answers - C. Eyes, eyebrows, nose, mouth, jaw
Choose the best description of the Shearing transformations
A. Shearing an image means shifting the pixel values either horizontally or vertically.
B. It is sounding like translation, but the difference is that shifting is not done by the same
amount.
C. Basically, this shift some part of an image to a direction and other parts to some other
direction.
D. All of the others. - Answers - D. All of the others.
What do the components of a pixel include?
A. Intensity value and size of the image
B. Position address and intensity value.
C. Position address and size of the image.
D. All of the others. - Answers - B. Position address and intensity value.
Choose the best answer about homogeneous coordinates
A. Homogeneous coordinate is a system of coordinates used in projective images.
B. It is used to change the color of the original image to a new dimension.
C. It is used to perform salt and pepper noise filters.
D. It is the way to approach the projective plane analytically. - Answers - D. It is the way
to approach the projective plane analytically.
In image processing, why is the Fourier transform used?
A. The Fourier Transform is used if we want to access the geometric characteristics of a
frequency domain image.
B. Because the image in the Fourier domain is decomposed into its sinusoidal
components.
C. It is easy to examine or process certain spatial of the image, thus influencing the
geometric structure in the spatial domain.
D. All of the others. - Answers - B. Because the image in the Fourier domain is
decomposed into its sinusoidal components.
, What is a geometric primitive?
A. They work just like the blocks in a typical preschool building set.
B. Geometric primitives are represented as points and lines.
C. Geometric primitives are the basic shapes we all know and recognize.
D. All of the others. - Answers - D. All of the others.
In image processing, what is the use of the digital camera?
A. The digital camera is used to convert digital images to images stored in the computer.
B. The digital camera is a camera that captures photographs in digital memory.
C. The digital cameras use an arithmetic system, for the acquisition and representation
of images.
D. The digital camera is a device that captures input and output images. - Answers - B.
The digital camera is a camera that captures photographs in digital memory.
Choose the best description of the feature descriptors
A. Feature descriptor is an algorithm that takes an image and outputs feature vectors.
B. Feature descriptors are used to find the essential features from the given image.
C. Feature descriptors are used to convert features to other representations through
spatial transformations.
D. All of the others. - Answers -
We have source image f(x) and transformation formula x' = h(x). We can compute the
values of the pixels in the new image g(x) by using MIP-mapping. Choose the best
description about MIP-mapping:
A. A MIP-map is a standard image pyramid where each level is pre-filtered rather than a
poorer quality approximation.
B. A MIP-map are pre-calculated, optimized sequences of images, each of which is a
progressively lower resolution representation of the previous.
C. All of the others.
D. None of the others. - Answers - A. A MIP-map is a standard image pyramid where each
level is pre-filtered rather than a poorer quality approximation.
In K-means for Segmentation, what is the meaning of K value?
A. It represents the number of clusters.
B. It represents the number of images.
C. It represents the step of clusters.
D. It represents the color groups. - Answers - A. It represents the number of clusters.
It is a type of image segmentation, where we change the pixels of an image to make the
image easier to analyze. We convert an image from color or grayscale into a binary image,
i.e, one that is simply black and white. What is the exact name of this process?
A. Thresholding Segmentation
B. Edge-Based Segmentation
C. Region-Based Segmentation.
D. Watershed Segmentation. - Answers - A. Thresholding Segmentation
