Posture Guidance for Head-Mounted Display Motion Sickness
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Solution Overview
Problem
Users often experience motion sickness while viewing video images displayed on head-mounted displays due to failing to assume proper postures in sync with the motion depicted, leading to discomfort and car sickness.
Innovation Solution
An information processing apparatus equipped with a detector that analyzes video images to detect motion and an instructor that provides visual, tactile, or auditory instructions to the user to assume appropriate postures, such as leaning forward or backward, based on the detected motion, to mitigate motion sickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If users view video images on head-mounted displays without posture guidance, then the viewing experience is simple and uninterrupted, but users experience motion sickness due to improper posture
Solution Approach 1:
The system continuously detects user posture using sensors (accelerometer, gyroscope, camera) and provides real-time feedback through visual, auditory, or tactile instructions to guide users to maintain proper posture during video viewing, thereby reducing motion sickness while managing system complexity through integrated sensor fusion
Solution Approach 2:
The system automatically monitors user posture and generates guidance instructions without requiring manual input from the user, enabling the system to serve itself by detecting posture deviations and providing appropriate guidance based on detected motion characteristics
2Object-affected harmful factors
If the system provides continuous posture instructions, then user comfort is maximized, but user attention is diverted from the video content
Solution Approach 1:
The system provides posture instructions periodically rather than continuously, triggering guidance only when posture deviations are detected or at specific intervals, thereby maintaining user comfort while minimizing distraction from video content through timing-based instruction delivery
Solution Approach 2:
The system provides posture guidance selectively based on detected motion intensity, providing detailed instructions only when significant motion occurs and using subtler guidance during stable periods, balancing comfort enhancement with viewing enjoyment
Data Source
AI summary
An information processing apparatus includes a detector and an instructor. The detector detects a motion of a video image viewed by a user. The instructor provides to the user an instruction to assume a posture in accordance with the motion of the video image detected by the detector.