Daniel Haehn PRO
Hi, I am a biomedical imaging and visualization researcher who investigates how computational methods can accelerate biological and medical research.
Assignment 1 is graded.
And Quiz 2!!
Assignment 2
Due 3/1 !
1D Signals
?
[104, 104, 104, 103, 103, 102, 101, 101, 100, 100, 99, 99, 98, 98, 98, 99, 99, 100, 100]How to represent the data?
2D Array!
Pixel
width
height
width x height
Dimensions
15 x 15
height x width ?
Shape /
g
0: minimum
....
255: maximum
grayscale
Frequency in images ~ level of detail
0
0
low pass filter
high pass filter
Low Frequency
High Frequency
Low Frequency
High Frequency
Edges!
Pixel
r g b
0: minimum
....
255: maximum
red
green
blue
All image formats (PNG, JPEG, BMP...)
3 channels
r
g
b
b
r
r g b
0: minimum
....
255: maximum
red
green
blue
0: minimum
....
1: maximum
r g b a
alpha
0: fully transparent
....
255: fully opaque
0: minimum
....
255: maximum
red
green
blue
Copy of CS480 Lecture 12
By Daniel Haehn
Copy of CS480 Lecture 12
Slides for CS80 Biomedical Signal and Image Processing at UMass Boston. See https://cs480.org!
