Image Processing and Acquisition using Python, 2nd Edition

List of Symbols and Abbreviations

∑	summation
θ	angle
|x|	absolute value of x
e	2.718281
∗	convolution
log	logarithm base 10
⊖	morphological erosion
⊕	morphological dilation
∘	morphological open
•	morphological close
∪	union
λ	wavelength
E	energy
h	Planck’s constant
c	speed of light
μ	attentuation coefficient
γ	gyromagnetic ratio
NA	numerical aperture
ν	frequency
dx	differential
∇	gradient
∂∂x	derivative along x-axis
∇2=Δ	Laplacian
∫	integration
CDF	cumulative distribution function
CT	computed tomography
DICOM	digital imaging and communication in medicine
JPEG	joint photographic experts group
MRI	magnetic resonance imaging
PET	positron emission tomography
PNG	portable network graphics
PSF	point spread function ...