ROI Image Transmission Using Embedded Metadata and Long Packets
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Solution Overview
Problem
Existing transmission systems face challenges in efficiently transmitting Region Of Interest (ROI) images due to various restrictions, making it difficult to handle increased data volumes and maintain high speed with low power consumption in devices like smartphones and cameras.
Innovation Solution
A picture transmission system that utilizes MIPI CSI-2/CSI-3/DSI specifications to transmit ROI images by embedding ROI information in Embedded Data and sending image data in Payload Data of Long Packets, while omitting redundant data from overlapping regions, using a picture transmission device and reception device with specialized processors and controllers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If only partial images (ROIs) are transmitted instead of entire photographed images to reduce data volume, then transmission system load is reduced and system stability is improved, but extraction and processing of ROI images becomes more difficult due to various transmission restrictions
Solution Approach 1:
The patent segments the transmitted data into two distinct parts: Payload Data containing ROI image data and Embedded Data containing ROI information. This segmentation allows the receiver to efficiently extract ROI images by first obtaining the ROI information from Embedded Data (such as position, size, and identification data) and then using this information to accurately extract the corresponding image data from Payload Data, thereby resolving the extraction difficulty while maintaining transmission efficiency
Solution Approach 2:
The patent introduces Embedded Data as an intermediary element that facilitates the extraction process. This intermediary contains metadata about the ROIs (such as position coordinates, dimensions, and identification information) that acts as a guide for the receiver to efficiently locate and extract the corresponding ROI image data from the Payload Data, solving the extraction difficulty without compromising transmission stability
2Productivity
If ROI images are transmitted using existing transmission systems (MIPI CSI-2/CSI-3/DSI), then data transmission is achieved, but transmission efficiency is reduced due to various system restrictions and inability to optimize for ROI-specific requirements
Solution Approach 1:
The patent divides the transmission data stream into Payload Data and Embedded Data segments, where Payload Data carries the actual ROI image data and Embedded Data carries metadata about the ROIs. This segmentation enables the transmission system to efficiently handle ROI images by separating critical metadata from image data, allowing the receiver to quickly process and extract only the necessary ROI information without being constrained by existing system limitations
Solution Approach 2:
The patent changes the data organization parameters by embedding ROI information (such as position, size, and identification) in a separate Embedded Data structure rather than relying on conventional image transmission formats. This parameter change enables more flexible and efficient ROI transmission by allowing the system to optimize data structure according to ROI-specific requirements rather than being bound by general-purpose transmission protocol constraints
3Reliability
If redundant data from overlapping ROI regions is transmitted to ensure complete coverage, then no data is lost, but data volume increases and transmission system load increases
Solution Approach 1:
The patent extracts and transmits only the non-redundant portions of overlapping ROI regions by using the Embedded Data to identify and exclude duplicate areas. The receiver uses the ROI information (including position and size data) to determine which regions are redundant and extracts only the unique portions from Payload Data, thereby maintaining data completeness while significantly reducing the total data volume transmitted
Solution Approach 2:
The patent discards redundant data from overlapping regions during transmission by identifying duplicate areas through Embedded Data and excluding them from Payload Data. The receiver recovers the complete set of unique ROI information by combining the transmitted non-redundant data with the metadata from Embedded Data, thereby maintaining data completeness while minimizing transmission data volume
Data Source
AI summary
A picture transmission device according to an embodiment of the present disclosure includes a transmission section that sends image data of ROIs in an image in Payload Data of a Long Packet and sends information about the ROIs in Embedded Data.