Videoedge: Processing camera streams using hierarchical clusters

CC Hung, G Ananthanarayanan… - 2018 IEEE/ACM …, 2018 - ieeexplore.ieee.org
Organizations deploy a hierarchy of clusters-cameras, private clusters, public clouds-for
analyzing live video feeds from their cameras. Video analytics queries have many …

Live video analytics at scale with approximation and {Delay-Tolerance}

H Zhang, G Ananthanarayanan, P Bodik… - … USENIX Symposium on …, 2017 - usenix.org
Video cameras are pervasively deployed for security and smart city scenarios, with millions
of them in large cities worldwide. Achieving the potential of these cameras requires …

Optasia: A relational platform for efficient large-scale video analytics

Y Lu, A Chowdhery, S Kandula - … of the Seventh ACM Symposium on …, 2016 - dl.acm.org
Camera deployments are ubiquitous, but existing methods to analyze video feeds do not
scale and are error-prone. We describe Optasia, a dataflow system that employs relational …

Focus: Querying large video datasets with low latency and low cost

K Hsieh, G Ananthanarayanan, P Bodik… - … USENIX Symposium on …, 2018 - usenix.org
Large volumes of videos are continuously recorded from cameras deployed for traffic control
and surveillance with the goal of answering “after the fact” queries: identify video frames with …

Figo: Fine-grained query optimization in video analytics

J Cao, K Sarkar, R Hadidi, J Arulraj, H Kim - Proceedings of the 2022 …, 2022 - dl.acm.org
Video database management systems (VDBMSs) enable automated analysis of videos at
scale using computationally-intensive deep learning models. To reduce the computational …

Distream: scaling live video analytics with workload-adaptive distributed edge intelligence

X Zeng, B Fang, H Shen, M Zhang - Proceedings of the 18th Conference …, 2020 - dl.acm.org
Video cameras have been deployed at scale today. Driven by the breakthrough in deep
learning (DL), organizations that have deployed these cameras start to use DL-based …

CrossRoI: cross-camera region of interest optimization for efficient real time video analytics at scale

H Guo, S Yao, Z Yang, Q Zhou… - Proceedings of the 12th …, 2021 - dl.acm.org
Video cameras are pervasively deployed in city scale for public good or community safety (ie
traffic monitoring or suspected person tracking). However, analyzing large scale video feeds …

Spatula: Efficient cross-camera video analytics on large camera networks

S Jain, X Zhang, Y Zhou… - 2020 IEEE/ACM …, 2020 - ieeexplore.ieee.org
Cameras are deployed at scale with the purpose of searching and tracking objects of
interest (eg, a suspected person) through the camera network on live videos. Such cross …

Reducto: On-camera filtering for resource-efficient real-time video analytics

Y Li, A Padmanabhan, P Zhao, Y Wang… - Proceedings of the …, 2020 - dl.acm.org
To cope with the high resource (network and compute) demands of real-time video analytics
pipelines, recent systems have relied on frame filtering. However, filtering has typically been …

EVA: A symbolic approach to accelerating exploratory video analytics with materialized views

Z Xu, GT Kakkar, J Arulraj… - Proceedings of the 2022 …, 2022 - dl.acm.org
Advances in deep learning have led to a resurgence of interest in video analytics. In an
exploratory video analytics pipeline, a data scientist often starts by searching for a global …