Time-Limited Private Video Sharing for First Responder Access
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Solution Overview
Problem
Existing emergency notification systems do not allow secure access for first responders to private surveillance networks during emergencies, necessitating a method to bridge these systems securely.
Innovation Solution
A system that enables facility administrators to grant on-demand access to selected video streams from private surveillance networks to pre-designated first responders using authentication credentials, with real-time streaming and historical access controlled by permissions, ensuring privacy and security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If private surveillance networks are made accessible to first responders, then emergency response capability is improved, but security and privacy are compromised
Solution Approach 1:
The surveillance system segments access rights by creating distinct user roles (facility administrators, first responders, internal personnel) with different permission levels. The system divides camera access into shared cameras (available to first responders during emergencies) and private cameras (accessible only to facility administrators), allowing selective information disclosure that maintains security while enabling emergency response capability.
Solution Approach 2:
The system implements dynamic access control where camera sharing status can be changed in real-time. Facility administrators can activate or deactivate shared camera access based on emergency conditions. The system dynamically adjusts permission states through the permissions controller, allowing the surveillance network to transition between private and shared states without compromising security when not in emergency mode.
2Productivity
If real-time video access is provided to first responders, then situational awareness is improved, but system complexity increases
Solution Approach 1:
The system introduces a permissions controller as an intermediary component between the surveillance cameras and first responders. This mediator manages authentication credentials, validates user identities, and controls camera access rights. The permissions controller simplifies the overall system architecture by centralizing access control logic, allowing first responders to access video streams without directly interacting with the complex surveillance network infrastructure.
3Productivity
If camera access is shared during emergencies, then emergency response efficiency is improved, but privacy protection is reduced
Solution Approach 1:
The system applies partial action by sharing only specific cameras (shared cameras) rather than the entire surveillance network during emergencies. Facility administrators can selectively activate access to particular cameras based on the emergency situation, providing first responders with only the necessary information needed for response while leaving other private cameras inaccessible, thus minimizing privacy intrusion.
Solution Approach 2:
The system implements periodic action through time-limited access. Camera sharing is activated during emergency periods and deactivated when emergencies conclude. The system temporarily changes access permissions for the duration of the emergency response operation, maintaining normal privacy protection during non-emergency periods while enabling enhanced access when needed.
Data Source
AI summary
A method enables video surveillance service subscribers to share image streams with individual first responder agencies in the event of emergency. A customer administrator selects permissions on each camera via privileged web-browser or mobile device. Permissions enable selection by static meta data such as type, audio, location, motion, recognition, spectrum, and epoch. Setting ranges of time controls access to video streams of present and past epochs. Under control by a customer administrator, a virtual machine dedicated to each responding agency instantiates a video server. A camera is shared by a customer administrator's selection of permissions on each camera via privileged web-browser or mobile device. Video streams of present and past epochs are controlled by ranges of time. A notification is customized for each responding agency and each event by dynamically generating a link to a secure webserver which records geo-location or network identifiers for validation.