-
Give examples of typical
analog images and describe their general characteristics.
-
Explain why analog images are useful.
-
Describe the general
structure of a digital image in terms of pixels and bits.
-
Briefly describe as many functions as possible
that can be performed with digital medical images that are not possible with
analog images.
-
Explain the structural characteristic of a
digital image that introduces blurring and limits
visibility of detail.
-
Explain and illustrate how
pixel size is affected by the size of the image
matrix.
-
Explain and illustrate how
pixel size is affected by the size of the imaged
area (field of view).
-
Explain and illustrate how computers write
numbers and the concept of bits.
-
Illustrate how the range of
values that can be written is related to the number of bits being used.
-
Briefly compare the methods used by both humans
and computers to write numbers and some general advantages and disadvantages of
each.
-
Describe and illustrate the concept of
bit depth of a pixel.
-
Identify and describe the characteristic of an
image that is affected by the bit depth.
-
Illustrate and describe how bit depth is
represented by both bits and bytes.
-
Identify the factors that determine the
numerical size of a digital image.
-
When you are given the appropriate factor values,
calculate the numerical size of an image in: bits,
bytes, kilobytes, and megabytes.
-
Explain how the numerical
size of a digital image relates to image quality.
-
Explain why the numerical size of a digital image
is a limiting factor in some applications.
-
Briefly describe the concept of
digital image compression.
-
Explain what is meant by "lossless"
compression.
-
Explain what is meant by "lossy"
compression and what must be considered in clinical applications.
