Server-Based Time Alignment for Incident Data Synchronization
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Solution Overview
Problem
Current systems for presenting information related to incidents involving electronic weapons lack the ability to effectively combine and synchronize visual and audio recordings with operational logs, making it difficult to review and analyze the circumstances and effectiveness of force applications.
Innovation Solution
A system that aligns time-stamped recordings from video devices with time-stamped logs from electronic weapons using a server-based time alignment function, allowing for the creation of a synchronized presentation that integrates visual and audio information with operational data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If visual and audio recordings are combined with electronic weapon operational logs, then the comprehensiveness of incident information is improved, but the complexity of time alignment and synchronization increases
Solution Approach 1:
The patent introduces a server as an intermediary component that receives time-stamped data from multiple independent sources (video devices, audio devices, electronic weapons) and performs centralized time alignment. This mediator handles the complex synchronization task, allowing the recording devices themselves to remain simple while achieving comprehensive and synchronized incident information presentation.
2Reliability
If multiple independent devices record incident data separately, then the reliability of individual data sources is improved, but the difficulty of synchronizing them decreases
Solution Approach 1:
The system performs preliminary time alignment by calculating time differences between devices before presenting the synchronized information. The server receives time-stamped data, determines temporal relationships in advance, and pre-synchronizes the data streams, ensuring that when incident information is reviewed, all sources are already aligned in time without requiring real-time synchronization during the incident.
3Measurement precision
If a server-based time alignment function is implemented, then the accuracy of temporal presentation is improved, but the computational resources required increase
Solution Approach 1:
The server performs time alignment calculations only for the specific time differences between devices rather than continuously processing all data streams. By calculating and storing time difference values once, and then applying these pre-computed offsets when presenting information, the system achieves high temporal precision without requiring excessive computational resources during incident review.
Data Source
AI summary
Systems and methods for presenting incident information provided by video devices and electronic weapons. Information may be selected for presentation by a machine or a human operator. Information from video devices and/or electronic weapons may be temporally aligned (e.g., synchronized) for presenting events that occurred in a temporally related manner. Information for aligning may be collected by a server and/or a video device.