What search by event is (querying a metadata index built at record time, not the pixels) and how the pipeline works (camera/analytics -> ONVIF Profile M -> VMS index -> query -> ranked results); the governing principle (you can only find what was indexed; reprocessing fills gaps but is slow and needs the raw footage retained); the five search rungs (time+camera, motion region, event/object, attribute, appearance, natural language) with the metadata/compute/privacy each needs; the ONVIF boundary
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The handbook · 7 volumes
Fora Soft Video Engineering Handbook
This search by event and forensic search reference explains the metadata index built at record time, the five search rungs and why you can only find what was indexed. We wrote seven volumes on the video stack; Volume 6 covers detection, tracking and search over video archives in depth, with Volume 7 on edge serving and Volume 1 on encoding. Written by Nikolay Sapunov, CEO at Fora Soft.
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