Skeleton Correction for Consistent Motion Recognition
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Solution Overview
Problem
Game devices with motion sensor controllers face challenges in accurately recognizing operation inputs from operators of varying heights and ages due to differences in physique, leading to inconsistent gameplay experiences.
Innovation Solution
An image generation system that acquires image information from an image sensor, processes skeleton information to correct position and motion data, and generates images or controls game objects accordingly, ensuring consistent gameplay across different operators by adjusting for physical differences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If skeleton information is acquired directly from image sensor without correction, then the system can process data quickly, but the position information varies depending on operator's physique leading to unfair gameplay
Solution Approach 1:
The patent applies parameter changes by modifying position information based on the operator's physique parameters (height, body size). The correction section adjusts skeleton position data using these physique parameters to normalize the mapping between different operators and the virtual character, ensuring that operators of different heights produce consistent gameplay experiences.
Solution Approach 2:
The patent introduces an intermediary correction section that acts as a mediator between the raw skeleton information from the image sensor and the final character control. This correction section processes the position information through an intermediate step that compensates for physique differences, creating a fair mapping without requiring changes to either the image sensor or the character model.
2Reliability
If the system corrects position information for all operators, then gameplay fairness is improved, but processing time and computational load increase
Solution Approach 1:
The patent applies preliminary action by pre-storing the relationship between operator physique and corrected position information in a table format. During gameplay, the system simply looks up the pre-calculated correction values based on the operator's measured physique, avoiding real-time complex calculations and reducing processing time while maintaining fairness.
3Adaptability or versatility
If the virtual character size is fixed, then the game development is simpler, but operators of different heights cannot interact naturally with objects
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the virtual character's size based on the operator's height parameter. The correction section modifies the character model's scale factor according to the operator's physique, allowing taller operators to have proportionally larger characters and shorter operators to have smaller characters, creating natural interaction proportions.
Data Source
AI summary
An image generation system includes an image information acquisition section that acquires image information from an image sensor, a skeleton information acquisition section that acquires skeleton information based on the image information from the image sensor, the skeleton information specifying a motion of an operator viewed from the image sensor, a correction section that performs a correction process on position information about a bone of a skeleton indicated by the skeleton information, and an image generation section that generates an image based on a result of the correction process.