RFID Tag Participant Identification in Video Conferencing
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Solution Overview
Problem
Current video conferencing systems struggle to identify participants effectively, especially in multi-party settings, as existing methods require pre-recorded voice or image samples, making it difficult to recognize unscheduled participants and compromising privacy.
Innovation Solution
A video conferencing system that integrates RFID technology, video processing, and audio triangulation to identify participants using movable directional RFID readers, nametags, or barcode tags, allowing for real-time identification and display of participant information on a user interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If speech recognition or video image recognition is used to identify participants, then participant identification capability is improved, but pre-recorded voice or image samples must be collected which compromises privacy and cannot identify unscheduled participants
Solution Approach 1:
The patent uses disposable RFID tags that can be temporarily assigned to participants, including unscheduled guests. These tags provide identification capability without requiring pre-collection of personal biometric data, thus maintaining privacy while enabling accurate participant identification.
Solution Approach 2:
The patent introduces RFID tags as an intermediary identification medium between participants and the video conferencing system. Instead of directly analyzing biometric data from participants, the system uses RFID tags as a privacy-friendly mediator that provides sufficient identification capability without intruding on participant privacy.
2Ease of manufacture
If a single video resource is used for multiple participants, then hardware cost is reduced, but the ability to distinguish and identify individual speakers deteriorates
Solution Approach 1:
The patent combines RFID identification technology with video conferencing systems to achieve participant identification using a single video resource. The RFID tags provide the distinguishing capability that would otherwise require multiple video cameras, thus merging identification functions into the existing video infrastructure.
Solution Approach 2:
The patent segments the identification function from the video capture function. Instead of using multiple video cameras to identify participants, the system separates identification (via RFID tags) from visual recording (via single video resource), allowing accurate speaker identification while maintaining cost-effective hardware configuration.
3Measurement precision
If RFID technology is integrated into the video conferencing system, then participant identification capability is improved, but system complexity increases
Solution Approach 1:
The patent leverages the universality of RFID technology, which is already widely used in access control and identification systems. By integrating this existing technology into video conferencing, the system gains participant identification capability without requiring completely new hardware or software infrastructure, thus limiting the increase in system complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate and privacy-respectful identification of all conference participants, whether scheduled or unscheduled, without significant hardware or software upgrades, improving participant tracking and reducing confusion in multi-party video conferencing.
Implementation Method 1
an RFID reader 36 which reads signals from each of the RFID tags 38
Data Source
AI summary
An integrated communications system is provided wherein video conferencing is conducted and participants sharing a video resource may be identified. Application of the present invention is particularly suited for videoconferencing when there are a plurality of communication endpoints, and at least one of the communication endpoints includes multiple participants at the shared video resource. A video or audio processing technique takes place to identify locations of conference participants at the communication endpoints. Each participant has an assigned RFID identifier during the conference. The RFID identifiers are interrogated by an RFID reader that downloads data from the identifiers to the system. The gathered RFID data is then matched with the processed video or audio data in order to identify each of the conference participants. A user interface is provided to allow the participants to view the other remote participants along with the identifying data of the remote participants. The data may include, for example, each remote participant's name displayed directly below the video image of that remote participant. As time progresses during the conference, participant identity is tracked and updated by repeating the video/audio processing technique and repeating the interrogation of the RFID identifiers.