Eye Tracking Image Manipulation for Accessibility
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Solution Overview
Problem
Physically challenged individuals face difficulties in using traditional computer input devices to manipulate and view computer-generated images effectively.
Innovation Solution
A method and system that utilize eye tracking technology to modify the display of images based on the observer's gaze, allowing for adjustments in viewing direction, angle of view, and spatial position of objects within the viewing area, enabling more intuitive interaction with computer graphics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional input devices (mouse, keyboard) are used to manipulate images, then the user can control viewing direction, angle of view, and spatial position, but physically challenged individuals find it difficult to operate these devices
Solution Approach 1:
The patent replaces mechanical input devices (mouse, keyboard) with an eye tracking system that uses optical detection of eye movements to control image manipulation. The eye tracker detects gaze position and movement, which is then translated into control signals for modifying the displayed image, eliminating the need for physical manipulation of traditional input devices.
Solution Approach 2:
The system allows users to interact with the display by simply looking at the area they wish to view or manipulate. The eye tracking system automatically detects the user's intended action based on their natural gaze direction, eliminating the need for separate control actions and making the interface more intuitive and accessible.
2Adaptability or versatility
If eye tracking is implemented to improve accessibility, then physically challenged individuals can interact more intuitively, but the device complexity increases
Solution Approach 1:
The eye tracking system serves multiple functions: it detects user attention, controls image manipulation, and provides accessibility support for physically challenged individuals. By integrating these functions into a single system, the patent reduces the need for multiple separate devices while maintaining versatility.
Solution Approach 2:
The system introduces an intermediary processing layer that translates eye movement data into image manipulation commands. This intermediary layer abstracts the complexity of eye tracking technology from the user, presenting a simple and intuitive interface while handling the technical complexity in the background.
3Ease of operation
If the image is continuously modified based on eye movements, then the viewing experience is enhanced, but the processing requirements and system resource consumption increase
Solution Approach 1:
The system processes eye movement data at discrete intervals rather than continuously, updating the image display based on detected gaze changes. This periodic processing approach reduces computational overhead and energy consumption while maintaining responsive and enhanced viewing experience.
Data Source
AI summary
The disclosure relates to controlling and manipulating an image of an object on a display device based on tracked eye movements of an observer. When the object is displayed according to an initial view, the observer's eye movement is tracked and processed in order to determine the focus of the observer's attention or gaze on the image. Thereafter, the displayed image is modified to provide a better view of the part of the object in which the observer is most interested. This is accomplished by modifying at least one of the spatial positioning of the object within the viewing area, the angle of view of the object, and the viewing direction of the object.