EQUI-VOCAL Demonstration: Synthesizing Video Queries from User Interactions

Author:

Zhang Enhao1,Daum Maureen1,He Dong1,Ganti Manasi1,Haynes Brandon2,Krishna Ranjay1,Balazinska Magdalena1

Affiliation:

1. University of Washington

2. Microsoft Gray Systems Lab

Abstract

We demonstrate EQUI-VOCAL, a system that synthesizes compositional queries over videos from user feedback. EQUI-VOCAL enables users to query a video database for complex events by providing a few positive and negative examples of what they are looking for and labeling a small number of additional system-selected examples. Using those user inputs, EQUI-VOCAL synthesizes declarative queries that can then retrieve additional instances of the desired events. The demonstration makes two contributions: it introduces EQUI-VOCAL's graphical user interface and enables conference attendees to experiment with EQUI-VOCAL on a variety of queries. Both enable users to gain a better understanding of EQUI-VOCAL's query synthesis approach and to explore the impact of hyperparameters and label noise on system performance.

Publisher

Association for Computing Machinery (ACM)

Subject

General Earth and Planetary Sciences,Water Science and Technology,Geography, Planning and Development

Reference13 articles.

1. Daren Chao et al. 2020. SVQ++: Querying for Object Interactions in Video Streams. In SIGMOD. 2769--2772. Daren Chao et al. 2020. SVQ++: Querying for Object Interactions in Video Streams. In SIGMOD. 2769--2772.

2. Spatial and Temporal Constrained Ranked Retrieval over Videos;Yueting Chen;PVLDB,2022

3. Maureen Daum et al. 2022 . VOCAL: Video Organization and Interactive Compositional AnaLytics. In CIDR. Maureen Daum et al. 2022. VOCAL: Video Organization and Interactive Compositional AnaLytics. In CIDR.

4. Maureen Daum et al. 2023. VOCALExplore: Pay-as-You-Go Video Data Exploration and Model Building [Technical Report]. arXiv preprint arXiv:2303.04068 (2023). Maureen Daum et al. 2023. VOCALExplore: Pay-as-You-Go Video Data Exploration and Model Building [Technical Report]. arXiv preprint arXiv:2303.04068 (2023).

5. Daniel Y. Fu et al . 2019 . Rekall : Specifying Video Events using Compositions of Spatiotemporal Labels . arXiv preprint arXiv:1910.02993 (2019). Daniel Y. Fu et al. 2019. Rekall: Specifying Video Events using Compositions of Spatiotemporal Labels. arXiv preprint arXiv:1910.02993 (2019).

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