Features and parameters of a digital image

What is the purpose of image analysis in medicine?

• To bore the students

• Medical research

• Diagnostics

• There is no purpose

What is the resolution of an image?

• Image's decision on the New Year's eve

• The number of pixels that make up the image

• Number of color channels of an image

• Political document

Why do we use RED, GREEN and BLUE colors to make up the pixels?

• There is no other combination to make all the other colors

• Those are the prettiest colors

• Because of the color receptors in the human eye

• No particular reason

Choose an MRI image

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How do we call the number of bits used to represent the color of an individual pixel?

• Brightness

• Contrast

• Dynamic range

• Color depth

Choose the image with the lowest contrast

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How many channels does a grayscale image have?

• 0

• 1
  (Pixel brightness)

• 2

  (Black, White)

• 3

  (Red, Green, Blue)

What type of compression do these two types of files have?

• Lossless

• Lossy