Mirrored Display Content Recognition via Inter-Device Scene Hashing
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Solution Overview
Problem
Existing display devices struggle to recognize and provide scene recognition information related to content being reproduced, especially when information about the content cannot be obtained, and when mirroring operations occupy capture resources.
Innovation Solution
A display device equipped with a processor that broadcasts channel information, obtains hash data and content IDs from other devices, and uses scene recognition servers to provide scene recognition information, even when capture resources are occupied by mirroring operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a display device performs mirroring operation to display content on an external device, then the content can be viewed on multiple devices, but the capture resource is occupied and scene recognition information cannot be obtained
Solution Approach 1:
The patent introduces another display device as an intermediary to perform scene recognition on behalf of the first display device. When the first device is occupied with mirroring operations, it can still obtain scene recognition information by receiving it from the second device that is actively capturing and analyzing the content being displayed.
Solution Approach 2:
The patent creates a copy of the scene recognition functionality by having a second display device perform the capture and recognition tasks that the first device cannot perform due to resource occupation. The second device captures the content, generates scene recognition information, and transmits it to the first device.
2Loss of information
If a display device tries to obtain scene recognition information while mirroring is performed, then complete content recognition can be achieved, but system complexity increases due to inter-device communication requirements
Solution Approach 1:
The patent makes display devices multi-functional by enabling them to not only display content but also perform scene recognition, capture images, and communicate with other devices. This universal capability allows any display device in the network to contribute to scene recognition tasks, reducing overall system complexity through functional consolidation.
Solution Approach 2:
The patent establishes a feedback mechanism where scene recognition information is continuously exchanged between display devices and servers. The first device receives scene recognition information from the second device, and both devices can update their understanding of the content being displayed, creating a closed-loop system that improves recognition accuracy.
3Measurement precision
If scene recognition is performed by capturing content directly, then accurate recognition can be achieved, but capture resources are consumed and mirroring operation is blocked
Solution Approach 1:
The patent segments the scene recognition task from the mirroring operation by assigning different devices to handle different functions. The first display device focuses on mirroring and displaying content, while the second display device handles capture and scene recognition. This segmentation allows both operations to proceed simultaneously without resource conflicts.
Data Source
AI summary
The present disclosure provides a display device comprising: a display unit for displaying a content; and a processor, wherein the processor is configured to: broadcast first channel information providing the content to at least one other display device if a mirroring operation of displaying the content on an external device is being performed; obtain hash data and a content ID associated with the content from the at least one other device; transmit the content ID and the hash data to a scene recognition information server; and obtain scene recognition information corresponding to the content via the scene recognition information server.