4 papers
SVS-JOIN: Efficient Spatial Visual Similarity Join over Multimedia Data
Chengyuan Zhang, Ruipeng Chen, Lei Zhu +3
In the big data era, massive amount of multimedia data with geo-tags has been generated and collected by mobile smart devices equipped with mobile communications module and positio…
Efficient Continuous Top- Geo-Image Search on Road Network
Chengyuan Zhang, Kesheng Cheng, Lei Zhu +3
With the rapid development of mobile Internet and cloud computing technology, large-scale multimedia data, e.g., texts, images, audio and videos have been generated, collected, sto…
Efficient Interactive Search for Geo-tagged Multimedia Data
Jun Long, Lei Zhu, Chengyuan Zhang +3
Due to the advances in mobile computing and multimedia techniques, there are vast amount of multimedia data with geographical information collected in multifarious applications. In…
Hierarchical Information Quadtree: Efficient Spatial Temporal Image Search for Multimedia Stream
Chengyuan Zhang, Ruipeng Chen, Lei Zhu +3
Massive amount of multimedia data that contain times- tamps and geographical information are being generated at an unprecedented scale in many emerging applications such as photo s…