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Obtain the images Suzi 1 . bin and ct _ scan. bin from the course web site. Each image has 2 5 6 2 5
Obtain the images Suzibin and ctscan. bin from the course web site. Each image has
pixels and each pixel has bits.
In this assignment you will perform object extraction target extraction by using simple thresh
olding followed by connected components labeling blob coloring with minor region removal. This
is a special case of two classical image processing problems known as image segmentation and clas
sification. Throughout the assignment, including the printing of your results, use a value of
Hex xFF for LOGIC ONE and a value of zero Hex x for LOGIC ZERO.
Objectives:
Suzil: the first objective is to produce a binary image that is LOGIC ONE at pixels
contained in the "girl" object of the original image and LOGIC ZERO at pixels contained in
the background of the original image. The second objective is to produce a grayscale image
of the segmented "girl" object. At pixels where is LOGIC ONE, should be equal to
the original Suzif image. At pixels where J is LOGIC ZERO, K should be to make a
"white background" for the segmented object image
ctscan: the first objective is to produce a binary image that is LOGIC ONE at pixels
contained in the "torso section" object of the original image and that is LOGIC ZERO at
pixels contained in the background of the original image. The second objective is to produce
a grayscale image of the segmented "torso section" object. This should be done exactly
the same way it was for the Suzil image.
For each image, use the following procedure:
A Study the image and select an appropriate threshold that will discriminate between the desired
object and the background.
B Form a binary image by applying the threshold so that pixels likely to be part of the desired
object are assigned the value LOGIC ONE, while those likely to be part of the background
are assigned the value LOGIC ZERO.
Hint: for the Suzi image, this means that should be LOGIC ONE if the corresponding
input pixel is below threshold. For the scan image the opposite is true: you should set
LOGIC ONE if the corresponding input pixel is above threshold. This is because
the object of interest in the Suzil image is darker than the background, whereas the object
of interest in the ctscun image is brighter than the background.
C Apply connected components labeling with minor region removal as described at pp
of the course notes to refine the segmentation in
D Construct the segmented object grayscale image
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