AI	artificial intelligence
FPGA	field-programmable gate array
IoT	Internet of Things
DB	database
k-NN	k-nearest neighbor
AR	activity recognition
ADL	activities of daily living
PIR	passive infrared sensor
SURF	speed-up robust features
MFCC	Mel-frequency cepstral coefficient
SVM	support vector machine
DCNN	deep convolutional neural networks
DNN	deep neural network
RRAM	resistive RAM
BNN	binarized neural network
MCU	microcontroller unit
SPI	serial peripheral interface
GPIO	general-purpose input/output