AMIP Quiz 20-03-2023

What does a High pass filter do with the images?

• Sharpens the images

• Improves the contrast

• Smoothens the image

• None of the above

Average filter tries to retain _____________

• High intensity pixels

• Low intensity pixels

• Boarders

• All the above

Median filter is well suited to remove __________ noise

• Background noise

• Salt and pepper noise

• Random noise

• None of the above

Fourier transform plays an important role in ______________

• Compression

• Restoration

• Enhancement

• All the above

Segmentation is ________________

• Dividing images into subgroups

• Combining two or more images

• Enhancing the image

• De-noising the image

What is the problem with segmenting medical images?

• Medical images are mostly grayscale images so it is hard to separate regions as one organ image overlaps with other

• Medical images are mostly color images so it is hard to identify organs

• Medical images have sensitive  data of patient hence segmentation becomes complex

• All the given options are true

Region of interest means ____________

• Area of distraction

• Area of importance

• Area of least importance

• None of the above

Centroid refers to ________________

• Centre point of an image

• average vector of all vectors of the ROI-boundary

•   median vector of all vectors of the ROI-boundary

• none of the given options

Thresholding converts _______ image to_________ image

• Color , binary

• Color, Grayscale

•   Grayscale, Binary

• Binary, color

There are 2 categories in Otsu method called_________ and __________

• 1D and 2D

• 1D and 3D

• 2D and 3D

• 3D and 5D