Keyan Cao

An adaptive density clustering algorithm for massive data

2017

In this paper, two clustering algorithms are proposed: DBSCAN Entropy-based (DBSCAN) and dynamic clustering algorithm (DBSCAN) to determine the optimal clustering results. The Optimal Number of Clusters ENDBSCAN (OP-ENDBSCAN). ENDBSCAN takes information entropy as the …

Spatio-Temporal Visual Analysis for Urban Traffic Characters Based on Video Surveillance Camera Data

2021 · ISPRS International Journal of Geo-Information

Urban road traffic spatio-temporal characters reflect how citizens move and how goods are transported, which is crucial for trip planning, traffic management, and urban design. Video surveillance camera plays an important role in intelligent transport …