Vehicle Surround Display Switching Between 2D Video and 3D Data
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Solution Overview
Problem
Current display devices for three-dimensional data lack the ability to provide random access and efficient encoding methods for encoded three-dimensional data, which is essential for applications like autonomous vehicle navigation and map information rendering.
Innovation Solution
A method for encoding and decoding three-dimensional data that divides the data into random access units, allowing for efficient encoding and decoding by referencing other units, and selectively transmitting necessary data based on features and intended use, enabling efficient data transmission and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If three-dimensional data is compressed for accumulation and transmission, then data transmission efficiency is improved, but random access capability deteriorates
Solution Approach 1:
The three-dimensional data is divided into multiple independent encoding units, where each unit can be independently encoded and decoded. This segmentation allows the system to transmit compressed data efficiently while enabling random access to specific units without requiring full data decoding, thus resolving the contradiction between transmission efficiency and random access capability.
2Quantity of substance
If point cloud data is compressed to reduce data amount, then storage and transmission requirements are reduced, but processing speed for autonomous operations deteriorates
Solution Approach 1:
By segmenting point cloud data into independent encoding units with self-contained spatial and attribute information, the system enables parallel processing of multiple units simultaneously. This reduces the overall processing time while maintaining compressed data formats, thus resolving the contradiction between data compression and processing speed for autonomous vehicle operations.
3Productivity
If three-dimensional data is encoded for accumulation, then data storage efficiency is improved, but decoding complexity increases
Solution Approach 1:
The encoding process divides three-dimensional data into independent units that can be stored and retrieved separately. Each unit contains complete information for independent decoding, which simplifies the decoding process compared to traditional methods that require processing entire data sets, thus resolving the contradiction between storage efficiency and decoding complexity.
4Loss of energy
If selective transmission of necessary data is implemented, then transmission bandwidth is reduced, but data completeness for navigation deteriorates
Solution Approach 1:
The system segments navigation data into essential and supplementary components, transmitting only essential data units that contain critical spatial and attribute information needed for safe autonomous operation. The segmented structure ensures that transmitted data maintains completeness for navigation purposes while reducing bandwidth consumption by excluding non-essential data.
Solution Approach 2:
Different data units are transmitted with different quality levels based on their importance for navigation. Critical data units are transmitted with high fidelity while less critical units may be transmitted with lower quality or omitted, optimizing bandwidth usage while maintaining data completeness for essential navigation functions.
Data Source
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AI summary
A display method is a display method performed by a display device that operates in conjunction with a mobile object, and includes: determining (S901) which one of first surrounding information, which is video showing a surrounding condition of the mobile object and is generated using two-dimensional information, and second surrounding information, which is video showing the surrounding condition of the mobile object and is generated using three-dimensional data, is to be displayed, based on a driving condition of the mobile object; and displaying (S903, S904) the one of the first surrounding information and the second surrounding information that is determined to be displayed.