185 citations · 445 across the 25 of their papers we have counts for
5 papers · 1 filter
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…
Approximate Query Service on Autonomous IoT Cameras
Mengwei Xu, Xiwen Zhang, Yunxin Liu +3
Elf is a runtime for an energy-constrained camera to continuously summarize video scenes as approximate object counts. Elf's novelty centers on planning the camera's count actions…
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…
StreamBox-HBM: Stream Analytics on High Bandwidth Hybrid Memory
Hongyu Miao, Myeongjae Jeon, Gennady Pekhimenko +2
Stream analytics have an insatiable demand for memory and performance. Emerging hybrid memories combine commodity DDR4 DRAM with 3D-stacked High Bandwidth Memory (HBM) DRAM to meet…
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…