Eye Movement Tracking for Electronic Gaming Machine Interaction
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Solution Overview
Problem
Electronic gaming machines (EGMs) face challenges in providing an intuitive and immersive experience as players demand more complex and visually stimulating content, requiring more effective interaction methods beyond traditional touch interfaces.
Innovation Solution
The EGMs employ eye movement tracking technology to detect and analyze viewer attention, allowing for dynamic game component selection and calibration of visual aspects such as size, color, and motion patterns, enabling a more engaging experience tailored to individual player capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the size of video display screens and complexity of game content are increased, then the gaming experience becomes more immersive and attractive, but the ease of operation deteriorates as players struggle to interact with complex visual elements
Solution Approach 1:
The patent replaces mechanical hand-based interaction (touch screens, buttons) with an optical-based eye tracking system. The eye tracking device detects眼球 movement to determine player selection and interaction intent, eliminating the need for physical contact with the display surface and enabling natural, intuitive interaction with complex visual content without requiring manual dexterity or precise finger movements
Solution Approach 2:
The patent introduces eye tracking technology as an intermediary between the player and the game system. Instead of direct hand-to-screen interaction, the system uses eye movement detection as a mediator to interpret player intent, translate gaze patterns into selection commands, and enable interaction with complex visual elements through natural viewing behavior rather than manual manipulation
2Adaptability or versatility
If traditional touch interfaces are used for interaction, then the system structure remains simple, but the gaming experience becomes less engaging and immersive
Solution Approach 1:
The patent substitutes mechanical touch interface components with an optical eye tracking system. Instead of relying on touch screens, buttons, or other physical interaction mechanisms, the system uses infrared or other optical sensors to detect eye position and movement, enabling richer interaction capabilities with complex visual content while maintaining a relatively streamlined system architecture through the use of non-contact sensing technology
3Ease of operation
If eye movement tracking is implemented to enable natural interaction, then the ease of operation improves, but the device complexity increases due to additional tracking hardware and processing requirements
Solution Approach 1:
The patent replaces complex mechanical interaction systems with an optical sensing approach. The eye tracking device uses optical fields and image processing algorithms to detect eye position and movement patterns, converting biological eye movements into digital control signals. This substitution enables intuitive, natural interaction without requiring complex mechanical linkages, multi-touch processing, or sophisticated button mechanisms, thereby improving ease of operation while managing system complexity through software-based interpretation of optical data
Data Source
AI summary
A method of operating an electronic gaming machine includes displaying a moving object to a viewer on a display screen of the electronic gaming machine, detecting and tracking eye movement of the viewer in relation to the moving object over a predetermined time period, comparing the eye movement of the viewer in relation to the object over the predetermined time period to a displayed position of the object over the predetermined time period, and determining based on the comparison that the eye of the viewer in relation to the moving object is tracking the object. Related systems and devices are disclosed.