Gaze Tracking Unit for Accurate Text-Reading Reward
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Solution Overview
Problem
Current eye tracking technologies face challenges in accurately determining user engagement with advertisement content, particularly on mobile devices, which hinders effective advertising and billing processes.
Innovation Solution
A user terminal equipped with a content providing unit, a gaze tracking unit using a photographic device to detect face images and vectors, and a reward providing unit that unlocks the screen and offers rewards when the user is determined to have read text-type advertisement content, utilizing both rule-based algorithms and deep learning models for improved accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If eye tracking technology is used to detect user gaze on mobile devices, then user engagement with advertisement content can be measured, but the accuracy of determining whether the user has read the advertisement is insufficient
Solution Approach 1:
The patent introduces a photographic device as an intermediary tool to capture the user's face image and gaze direction. This mediator bridges the gap between the user's eye movement and the system's interpretation of reading behavior, enabling more accurate measurement by providing visual evidence of gaze position and duration on the advertisement content
Solution Approach 2:
The patent replaces traditional mechanical or contact-based eye tracking methods with an optical-based photographic device system. By using camera imaging and image processing algorithms, the system substitutes complex mechanical eye tracking mechanisms with a more accessible and accurate optical measurement approach that can reliably detect gaze position and reading behavior
2Productivity
If traditional advertisement display methods are used on mobile devices, then advertisement content can be shown to users, but user engagement and reading confirmation cannot be accurately determined
Solution Approach 1:
The patent implements a feedback mechanism where the system continuously monitors user gaze through the photographic device and provides real-time information about whether the user is reading the advertisement. This feedback loop allows the system to confirm reading status, track engagement duration, and verify user interaction with the advertisement content, preventing information loss about user behavior
Solution Approach 2:
The patent performs preliminary actions by capturing the user's face image and gaze direction before making a determination about reading completion. By pre-capturing this visual data and analyzing gaze position and duration in advance, the system can accurately confirm whether the user has read the advertisement before proceeding with billing or reward distribution, ensuring no information is lost
3Measurement precision
If eye tracking accuracy is improved using photographic devices and algorithms, then reading detection becomes more reliable, but the system complexity and processing requirements increase
Solution Approach 1:
The patent applies the universality principle by using a photographic device (camera) that serves multiple functions: capturing user authentication images, tracking gaze position, and monitoring reading behavior. This multi-functional approach reduces overall system complexity by consolidating multiple specialized components into a single versatile device that can perform various measurement tasks
Data Source
AI summary
A user terminal according to an embodiment of the present invention includes a content providing unit for displaying a text-type advertisement content on a lock screen according to an input of a user, a gaze tracking unit for acquiring, through a photographing device, a face image of the user and a vector indicating a direction in which a face of the user faces, and tracking a gaze of the user from the face image and the vector, so as to determine whether the user has read the text-type advertisement content, and a reward providing unit for providing a set reward when it is determined that the user has read the text-type advertisement content. A text-reading based reward-type advertisement service may be provided with the user terminal.