3D Decoding Architecture for Seamless Representation Switching

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Solution Overview

Problem

Existing technologies face challenges in efficiently presenting and switching between different representations of three-dimensional data, such as point cloud, mesh, and three-dimensional models, without causing spatial deviations.

Innovation Solution

A decoding device that includes circuitry and memory, capable of obtaining and decoding encoded data with encoding scheme information, generating and presenting first and second presentation data by rendering, and switching between different data representations based on user requests, network bandwidth, and available capacity, while ensuring spatial synchronization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple encoding schemes are used to represent three-dimensional objects, then adaptability and versatility are improved, but device complexity increases

Engineering Contradiction:
Improveencoding scheme adaptabilityVSAvoiddecoding device complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The decoding device is designed to handle multiple encoding schemes (point cloud, mesh, 3D model) through a unified architecture that can decode and switch between different data representations, making the device versatile for various three-dimensional data formats

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The device dynamically switches between different encoding schemes based on available capacity, network conditions, and user requests, allowing the system to adapt its operation mode rather than being fixed to a single encoding format

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If switching between different three-dimensional data representations is enabled, then adaptability is improved, but spatial synchronization becomes more difficult to maintain

Engineering Contradiction:
Improvedata representation switchingVSAvoidspatial synchronization difficulty
Core Design Contradiction:
Adaptability or versatilityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent replaces manual or mechanical spatial alignment methods with automatic spatial synchronization mechanisms that use encoding scheme information and identification information to automatically coordinate and synchronize spatial data across different encoding formats

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system incorporates feedback mechanisms that monitor spatial synchronization status during switching between encoding schemes and automatically adjust to maintain spatial consistency, detecting and correcting synchronization issues in real-time

Inventive Principle:
Principle #23Feedback

3Quantity of substance

If massive amounts of point cloud data are compressed and encoded, then data transmission efficiency is improved, but decoding and processing time increases

Engineering Contradiction:
Improvedata volume reductionVSAvoiddecoding time
Core Design Contradiction:
Quantity of substanceVSLoss of time

Solution Approach 1:

The system dynamically selects decoding strategies and switches between different encoding schemes based on available processing capacity and time constraints, allowing flexible adjustment between compression ratio and decoding speed

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The decoding process is segmented into parallel processing paths for different encoding schemes, allowing the system to process different portions of three-dimensional data simultaneously and reduce overall decoding time

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4727133A1Decoding device, decoding method, and encoding device
Publication Date: 2026.04.15 PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
  • EP4727133A1 patent drawingFigure 1
  • EP4727133A1 patent drawingFigure 2~3
  • EP4727133A1 patent drawingFigure 4~5

AI summary

A decoding device (1130) includes: circuitry (1131); and memory (1132) coupled to the circuitry (1131). The circuitry (1131), in operation, performs: obtaining encoded data that includes (i) encoding scheme information indicating one of encoding schemes that include first data representing a three-dimensional object and second data representing the three-dimensional object and (ii) identification information indicating a three-dimensional space including the three-dimensional object; decoding, based on the encoded data, the first data and the second data; generating first presentation data for presentation, by rendering the first data; generating second presentation data for presentation, by rendering the second data; and presenting including switching from a presentation of the second presentation data generated to a presentation of the first presentation data.