Hierarchical access to regions of interest within video frames

By encrypting video streams at block boundaries using existing SoC lossless compression metadata, edge computing systems address privacy and resource constraints, enabling secure and efficient access to regions of interest within video frames.

JP7893546B2Active Publication Date: 2026-07-22INTEL CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
INTEL CORP
Filing Date
2021-11-22
Publication Date
2026-07-22

AI Technical Summary

Technical Problem

Edge computing systems face challenges in managing resource-constrained devices at the network edge, particularly in multi-tenant scenarios, where ensuring privacy and security of video streams while maintaining low latency and efficient resource usage is difficult due to the need for multiple copies and encryption, which is resource-intensive.

Method used

A mechanism that leverages existing SoC lossless compression infrastructure to encrypt video streams at block boundaries, using metadata to enforce access protection levels, allowing selective access to regions of interest by virtual machines, thereby reducing resource overhead and maintaining performance.

Benefits of technology

This approach enables secure, efficient access to regions of interest within video frames without performance penalties, supporting multiple virtual machines sharing hardware resources and ensuring privacy protections.

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Abstract

To provide a system and a method for implementing hierarchical access to a target area within a video frame.SOLUTION: In a method, a video stream containing multiple frames containing multiple image blocks is compressed using a lossless video compression standard 702, each block in each frame of the video stream is encrypted with an encryption key 704, the object detection and classification process are used for the video stream to identify an object in the video stream 706, a policy store is accessed to determine the corresponding protection level of the object 708, and the corresponding protection level is stored in lossless video compression metadata 710.SELECTED DRAWING: Figure 7
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