Image-Capturing Device Gaze Tracking for Intent-Rich Recording
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Solution Overview
Problem
Existing image-capturing technologies do not effectively reflect the intention of the image-capturing person, limiting the enhancement of information added to captured images.
Innovation Solution
Incorporating an eyeball imaging element to obtain a user's gaze point, calculation means to determine the line of sight, an operation member for confirmation, and storage means to associate this information with the captured image.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If position information of a line of sight is added to images, then information enrichment is improved, but device complexity increases due to additional imaging elements and processing requirements
Solution Approach 1:
The patent combines the eyeball imaging element with the main imaging lens system, allowing the eyeball image to be captured simultaneously with the object image through the same optical path. This merging approach enables line-of-sight information to be integrated into the captured image without requiring completely separate imaging systems, thus enriching information while controlling device complexity.
Solution Approach 2:
The imaging system is designed to serve multiple functions: capturing the object scene through the main lens and capturing the user's eyeball reflection in the same imaging process. The display element serves both as the display medium for the captured image and as the reflective surface for eyeball imaging, eliminating the need for dedicated components and reducing overall system complexity.
2Measurement precision
If multiple imaging elements and processing functions are added, then measurement precision of line of sight is improved, but ease of operation deteriorates due to complex confirmation procedures
Solution Approach 1:
The system automatically detects the user's line of sight by capturing the reflection of the display element in the eyeball, and automatically superimposes the position information onto the captured image. The confirmation process is streamlined by having the user simply review the superimposed position on the display, eliminating the need for manual calibration or complex adjustment procedures, thus maintaining ease of operation while achieving precise measurement.
3Loss of information
If line of sight position information is superimposed on captured images, then information value is improved, but loss of time increases due to additional processing steps
Solution Approach 1:
The system calculates and determines the line-of-sight position during the image capture process itself, rather than as a separate post-processing step. By superimposing the position information on the display element in real-time during capture, the processing is completed concurrently with image acquisition, minimizing additional processing time while maximizing information value in the captured image.
Data Source
AI summary
In the case where a confirmation operation is performed by a user, a CPU 3 performs control to store information related to the confirmation operation in association with a still image or a moving image displayed on a display element 10.