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Image Processing Applications in Medical Imaging

Description: This quiz is designed to assess your knowledge of Image Processing Applications in Medical Imaging.
Number of Questions: 15
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Tags: image processing medical imaging computer graphics
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Which of the following is NOT a common image processing technique used in medical imaging?

  1. Segmentation

  2. Denoising

  3. Edge detection

  4. Colorization

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Correct Option: D
Explanation:

Colorization is not a common image processing technique used in medical imaging, as medical images are typically grayscale.

What is the primary purpose of image segmentation in medical imaging?

  1. To identify and isolate regions of interest in an image

  2. To improve the contrast of an image

  3. To remove noise from an image

  4. To enhance the edges of an image

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Correct Option: A
Explanation:

Image segmentation is used to identify and isolate regions of interest in an image, such as organs, tissues, or lesions.

Which of the following is an example of a medical imaging modality that utilizes X-rays?

  1. Magnetic resonance imaging (MRI)

  2. Computed tomography (CT)

  3. Ultrasound

  4. Positron emission tomography (PET)

Show answer
Correct Option: B
Explanation:

Computed tomography (CT) is a medical imaging modality that utilizes X-rays to create cross-sectional images of the body.

What is the primary advantage of magnetic resonance imaging (MRI) over computed tomography (CT) in medical imaging?

  1. MRI provides better contrast between different tissues

  2. MRI does not involve exposure to ionizing radiation

  3. MRI can image the entire body in a single scan

  4. MRI is less expensive than CT

Show answer
Correct Option: B
Explanation:

MRI does not involve exposure to ionizing radiation, unlike CT, which utilizes X-rays.

Which of the following is a common image processing technique used to enhance the edges of medical images?

  1. Gaussian filtering

  2. Sobel operator

  3. Canny edge detector

  4. Median filtering

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Correct Option: C
Explanation:

The Canny edge detector is a common image processing technique used to enhance the edges of medical images.

What is the primary purpose of denoising in medical imaging?

  1. To remove unwanted noise from an image

  2. To enhance the contrast of an image

  3. To segment an image into different regions

  4. To detect edges in an image

Show answer
Correct Option: A
Explanation:

Denoising is used to remove unwanted noise from an image, such as noise caused by electronic interference or poor image acquisition conditions.

Which of the following is an example of a medical imaging modality that utilizes sound waves?

  1. Magnetic resonance imaging (MRI)

  2. Computed tomography (CT)

  3. Ultrasound

  4. Positron emission tomography (PET)

Show answer
Correct Option: C
Explanation:

Ultrasound is a medical imaging modality that utilizes sound waves to create images of the body.

What is the primary advantage of positron emission tomography (PET) over other medical imaging modalities?

  1. PET can provide information about the metabolic activity of tissues

  2. PET can image the entire body in a single scan

  3. PET does not involve exposure to ionizing radiation

  4. PET is less expensive than other medical imaging modalities

Show answer
Correct Option: A
Explanation:

PET can provide information about the metabolic activity of tissues, which is useful for diagnosing and monitoring a variety of diseases.

Which of the following is a common image processing technique used to improve the contrast of medical images?

  1. Histogram equalization

  2. Adaptive histogram equalization

  3. Contrast stretching

  4. Edge detection

Show answer
Correct Option: C
Explanation:

Contrast stretching is a common image processing technique used to improve the contrast of medical images.

What is the primary purpose of image registration in medical imaging?

  1. To align two or more images of the same patient taken at different times or using different imaging modalities

  2. To segment an image into different regions

  3. To enhance the edges of an image

  4. To remove noise from an image

Show answer
Correct Option: A
Explanation:

Image registration is used to align two or more images of the same patient taken at different times or using different imaging modalities.

Which of the following is an example of a medical imaging modality that utilizes radioisotopes?

  1. Magnetic resonance imaging (MRI)

  2. Computed tomography (CT)

  3. Ultrasound

  4. Positron emission tomography (PET)

Show answer
Correct Option: D
Explanation:

Positron emission tomography (PET) is a medical imaging modality that utilizes radioisotopes to create images of the body.

What is the primary advantage of computed tomography (CT) over magnetic resonance imaging (MRI) in medical imaging?

  1. CT provides better contrast between different tissues

  2. CT does not involve exposure to ionizing radiation

  3. CT can image the entire body in a single scan

  4. CT is less expensive than MRI

Show answer
Correct Option: C
Explanation:

CT can image the entire body in a single scan, while MRI typically requires multiple scans to cover the entire body.

Which of the following is a common image processing technique used to segment medical images?

  1. Region growing

  2. Thresholding

  3. Clustering

  4. Edge detection

Show answer
Correct Option: A
Explanation:

Region growing is a common image processing technique used to segment medical images.

What is the primary purpose of image fusion in medical imaging?

  1. To combine information from two or more images into a single image

  2. To segment an image into different regions

  3. To enhance the edges of an image

  4. To remove noise from an image

Show answer
Correct Option: A
Explanation:

Image fusion is used to combine information from two or more images into a single image.

Which of the following is an example of a medical imaging modality that utilizes magnetic fields?

  1. Magnetic resonance imaging (MRI)

  2. Computed tomography (CT)

  3. Ultrasound

  4. Positron emission tomography (PET)

Show answer
Correct Option: A
Explanation:

Magnetic resonance imaging (MRI) is a medical imaging modality that utilizes magnetic fields to create images of the body.

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