48 citations · 50 across the 4 of their papers we have counts for
Showing cs.DBShow all
3 papers · 1 filter
cs.DB2020
Clique: Spatiotemporal Object Re-identification at the City Scale
Tiantu Xu, Kaiwen Shen, Yang Fu +2
Object re-identification (ReID) is a key application of city-scale cameras. While classic ReID tasks are often considered as image retrieval, we treat them as spatiotemporal querie…
cs.DB2019★ 2 cited
Video Analytics with Zero-streaming Cameras
Mengwei Xu, Tiantu Xu, Yunxin Liu +1
Low-cost cameras enable powerful analytics. An unexploited opportunity is that most captured videos remain "cold" without being queried. For efficiency, we advocate for these camer…
cs.DB2018★ 48 cited
VStore: A Data Store for Analytics on Large Videos
Tiantu Xu, Luis Materon Botelho, Felix Xiaozhu Lin
We present VStore, a data store for supporting fast, resource-efficient analytics over large archival videos. VStore manages video ingestion, storage, retrieval, and consumption. I…