Journal of University of Science and Technology of China ›› 2017, Vol. 47 ›› Issue (7): 556-568.DOI: 10.3969/j.issn.0253-2778.2017.07.003

• Original Paper • Previous Articles     Next Articles

Visualization of multi-dimensional sparse spatial-temporal data

ZHAO Fan, JIANG Tonghai, ZHOU Xi, MA Bo, CHENG Li,   

  1. 1. Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumchi 830011, China;
    2. University of Chinese Academy of Sciences, Beijing 100049, China;
    3. Xinjiang Laboratory of Minority Speech and Language Information Processing, Urumchi 830011, China
  • Received:2016-08-28 Revised:2016-12-08 Online:2017-07-31 Published:2017-07-31

Abstract: Multi-dimensionality and sparseness of spatial-temporal data are major challenges for data analysis. Data visualization can effectively address certain data analysis challenges and has increasingly drawn attention from both industry and academia. A hybrid approach for the visualization of multi-dimensional sparse spatial-temporal data was proposed. The method combined multiple data view models and human-machine interaction mechanisms in order to intuitively express the multi-dimensional features, statistical group features, as well as typical individual behavior patterns. Furthermore, a visual analysis method was introduced for the identification and detection of abnormal individual behaviors. A data visualization system based on gas filling data gathered from gas stations in Xinjiang Province was implemented. By using different view models (parallel coordinates, map view, calendar matrix, Sankey

Key words: visualization, spatial-temporal data, multi-dimensional data, sparse data

CLC Number: