CPC	Condensation Particle Counter
PC	Particle Counter
HPC	Holographic Particle Counter
HPCs	Holographic Particle Counters
CNM	Condensation Nucleus Magnifier
OPCs	Optical Particle Counters
PN	Particle Number
HPIV	Holography Particle Image Velocimetry
HT	Hough Transform
CHT	Circular Hough Transform
PIU	Particle Imaging Unit
APM	Aerosol Particle Model
ASM	Angular Spectrum Method
FZP	Fresnel Zone Plate
FZPs	Fresnel Zone Plates
DIH	Digital Inline Holography
3D	Three-Dimensional
2D	Two-Dimensional
SNR	Signal to Noise Ratio
DNN	Deep Neural Network
DCNN	Deep Convolutional Neural Network
LoG	Laplacian of Gaussian
DoF	Depth of Field
ReLu	Rectified Linear Unit
AI	Artificial Intelligence
RT	Real-Time
GPU	Graphics Processing Unit