Forensic Video Recording with Proximity Tag Authentication

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Solution Overview

Problem

Video recordings in law enforcement settings lack verifiable authentication and cannot trace specific recording devices or identify objects within the scene, posing challenges in calibration and identification.

Innovation Solution

A video recording system that incorporates a camera, wireless proximity tag reader, and control circuitry to encode video data with proximity tag identifiers as metadata, generating an augmented encoded frame and digital signature for authentication and object identification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If video recordings are used in law enforcement activities, then documentation of events is improved, but authentication and traceability to specific recording devices deteriorate

Engineering Contradiction:
Improveauthentication informationVSAvoidverifiable authentication
Core Design Contradiction:
Loss of informationVSReliability

Solution Approach 1:

The patent introduces proximity tags as intermediary objects that carry identification information. These tags are placed on or near objects of interest in the scene, and the recording device detects and records their identifiers. This intermediary mechanism bridges the gap between the video recording and the physical objects, enabling verification of what was present during recording without compromising the core video evidence.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system creates a digital copy of the presence information by recording proximity tag identifiers alongside the video data. This copied information (tag IDs) serves as verifiable metadata that can be separately authenticated and traced back to specific physical objects, thereby enhancing the reliability of the recording without altering the original video content.

Inventive Principle:
Principle #26Copying

2Measurement precision

If proximity tag readers and encoding circuitry are added to the video recording system, then object identification capability is improved, but device complexity increases

Engineering Contradiction:
Improveobject identificationVSAvoidsystem components
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The recording device is designed to perform multiple functions: traditional video recording plus proximity tag detection and encoding. By integrating these capabilities into a single device, the system achieves multi-functionality that reduces the need for separate specialized equipment, thereby managing complexity while enhancing object identification precision.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the video recording function with proximity tag reading and encoding functions into an integrated system. The control circuitry merges the video data stream with the proximity tag identifier data, creating a unified encoded frame that contains both types of information. This merging reduces system complexity compared to having separate independent systems.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS11817130B2Forensic video recording with presence detection
Publication Date: 2023.11.14 DIGITAL ALLY INC
  • US11817130B2 patent drawing
  • US11817130B2 patent drawing
  • US11817130B2 patent drawing

AI summary

At a high level, embodiments of the invention relate to augmenting video data with presence data derived from one or more proximity tags. More specifically, embodiments of the invention generate forensically authenticated recordings linking video imagery to the presence of specific objects in or near the recording. One embodiment of the invention includes video recording system comprising a camera, a wireless proximity tag reader, a storage memory and control circuitry operable to receive image data from the camera receive a proximity tag identifier identifying a proximity tag from the proximity tag reader, and store an encoded frame containing the image data and the proximity tag identity in the storage memory.