ASV	Autonomous Surface Vehicle
UAV	Unmanned Aerial Vehicle
DOF	Degree of Freedom
RL	Reinforcement Learning
EA	Evolutionary Algorithm
GA	Genetic Algorithm
DRL	Deep Reinforcement Learning
DQL	Deep Q-Learning
DDQL	Double Deep Q-Learning
NHPP	Non-Homogeneous Patrolling Problem
MUTPB	Mutation Probability
CXPB	Crossover Probability
CNN	Convolutional Neural Network
AER	Accumulated Episodic Reward
ISER	Inverse Sample-Efficiency Rate
CT	Computation Time
GPU	Graphic Processing Unit
CPU	Computer Processing Unit