VR Spatial Cell Processing for Avatar Load Reduction

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Solution Overview

Problem

The increase in the number of avatars in a VR space leads to increased information processing and communication times, causing delays and impairing the sense of reality, with existing techniques failing to effectively reduce the amount of information transmission and preventing unnatural images.

Innovation Solution

An information processing device that divides a virtual space into reference, peripheral, and distant cells, processing and transmitting spatial information differently based on distance, using reduced-resolution images for distant cells to minimize processing load.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the number of avatars in VR space is increased, then the social networking capability is improved, but the information processing time and communication time increase causing delays

Engineering Contradiction:

Improvesocial networking capabilityVSAvoidinformation processing time

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The virtual space is divided into multiple cells, and avatars are categorized into different groups based on their spatial relationships (reference cell, peripheral cells, distant cells). This segmentation allows differential information processing for different avatar groups, reducing overall processing time while maintaining social networking capability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different information processing quality is applied to different spatial regions. Avatars in the reference cell receive full-quality information processing, while avatars in peripheral and distant cells receive reduced-quality information. This local quality differentiation reduces total processing time while maintaining acceptable social networking experience.

Inventive Principle:

Principle #3Local quality

2Adaptability or versatility

If the number of avatars in VR space is increased, then the social networking capability is improved, but the communication time between server and terminal increases

Engineering Contradiction:

Improvesocial networking capabilityVSAvoidcommunication time

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent extracts and transmits only essential information for distant avatars (such as positional information and basic action information) while omitting detailed information. This extraction approach reduces communication data volume and time while maintaining the core social networking functionality.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

For distant avatars, the patent applies partial information transmission rather than complete information transmission. Only the minimum necessary information is communicated, which reduces communication time while still allowing users to perceive the presence and basic movements of distant participants.

Inventive Principle:

Principle #16Partial or excessive action

3Reliability

If positional information and action information of all avatars are transmitted at high rate, then the sense of reality is improved, but the information processing load and communication load increase

Engineering Contradiction:

Improvesense of realityVSAvoidinformation processing efficiency

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

High-quality information transmission is applied locally to avatars in the reference cell and peripheral cells where users pay more attention, while reduced-quality transmission is applied to distant cells. This maintains the sense of reality for important avatars while improving overall processing efficiency.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent transmits information partially for distant avatars, sending only essential data rather than complete information. This partial transmission maintains acceptable realism for distant participants while significantly reducing processing and communication loads.

Inventive Principle:

Principle #16Partial or excessive action

4Productivity

If the transmission rate for distant avatars is reduced, then the communication load is decreased, but delays in distant avatar information still occur

Engineering Contradiction:

Improvecommunication efficiencyVSAvoiddelay in distant avatar information

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The patent extracts and prioritizes transmission of essential information for distant avatars (positional data and basic actions) while omitting non-essential details. This extraction approach ensures that critical information reaches the terminal with minimal delay even under reduced transmission rates.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS20250363749A1Information processing device, information processing method, and program

Publication Date: 2025.11.27 NEC CORP

AI summary

An information processing device (1) includes at least one processor, the at least one processor carrying out: an acquisition process for acquiring first spatial information indicating a reference cell serving as a cell in which a user is located in a virtual space, second spatial information indicating the virtual space located around the reference cell, and third spatial information indicating the virtual space located more distantly than a peripheral cell; and a spatial information process including a first process in which the first spatial information is used, a second process in which the second spatial information is used, and a third process in which the third spatial information is used and which involves a smaller processing load than the second process.