Using Map/Reduce To Speed Analysis of Video Surveillance

JP Morgenthal (EMC Consulting)

In video surveillance, hundreds of hours of video recordings are culled from multiple cameras. Within this video are hours of recordings that do not change from one minute to the next, one hours to the next and in some cases, one day to the next. Identifying information that is interesting and that can be shared, analyzed and viewed by a larger community from this video is a time-consuming task that often requires human intervention assisted by digital processing tools.

Using Map/Reduce we can harness parallel processing and clusters of graphical processors to identify and tag useful periods of time for faster analysis. The result is an aggregate video file that contains metadata tags that link back to the start of those scenes in the original file. In essence, creating an index into hundreds-of-thousands of hours of recording that can be reviewed, shared and analyzed by a much larger group of individuals.

This session will review examples where this is being done in the real world and discuss the process for developing a Hadoop process that can break a video down into scenes that are analyzed by maps to determine interest and then reduced into a single index file that contains 30 seconds of recording around that scene. Moreover, the file will contain the necessary metadata to jump back into the original at the start point and allow the viewer to view the scene in context of the entire recording.

JP Morgenthal

EMC Consulting

JP Morgenthal has over twenty-five years of information technology experience spread across a wide array of technology and business requirements and a demonstrated ability to design complete systems inclusive of business justifications and risk/reward analyses. Mr. Morgenthal communicates effectively with C-level, non-technical and engineering-level individuals in both written and spoken form and is a respected authority on Cloud Computing, Enterprise Architecture, and SOA/BPM. Mr. Morgenthal has authored three books, the most recent release is “EII: A Pragmatic Approach”. JP is recognized as a Top 50 blogger on Cloud Computing and Virtualization by SYS-CON.

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