[IEEE 2018 IEEE 10th International Conference on Humanoid, Nanotechnology, Information Technology,Communication and Control, Environment and Management (HNICEM) - Baguio City, Philippines (2018.11.29-2018.12.2)] 2018 IEEE 10th International Conference on Humanoid, Nanotechnology, Information Technology,Communication and Control, Environment and Management (HNICEM) - Optimization of Vehicle Speed Calculation on Raspberry Pi Using Sparse Random Projection