Gaze-Controlled Determination Area Sizing for Image Capture
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Solution Overview
Problem
Existing image capture apparatuses cannot dynamically set determination areas of varying sizes and positions based on a user's line of sight, making it difficult to select image areas that differ in size and position.
Innovation Solution
An image capture apparatus comprising a line of sight detection circuit, an area detection circuit, and a setting circuit that sets determination areas of a size greater than or equal to a predetermined lower limit value, allowing for the selection of image areas based on the user's gaze, including dynamic adjustment of determination area sizes and positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If determination areas are dynamically set to match varying image area sizes and positions, then selection accuracy is improved, but system complexity increases
Solution Approach 1:
The determination areas are dynamically adjusted based on the detected line of sight direction and gazed point position. The system automatically modifies determination area parameters (size, position, shape) in real-time to match the user's gaze, enabling accurate selection of image areas with varying sizes and positions without manual intervention.
Solution Approach 2:
The system changes multiple parameters of determination areas simultaneously including size, position, and shape based on the detected gazed point. By adjusting these parameters dynamically, the determination areas can adapt to different image regions while maintaining a manageable level of system complexity through algorithmic control.
2Ease of operation
If determination areas are made larger for easier selection, then ease of operation is improved, but measurement precision deteriorates
Solution Approach 1:
The determination area size is dynamically adjusted based on the detected line of sight and gazed point position. When the user's gaze is detected to be on a specific region, the determination area is expanded to cover that region, making selection easier while maintaining precision through the dynamic adaptation to the actual gazed location.
Solution Approach 2:
The system divides the image into multiple determination areas with different sizes and positions based on the detected line of sight. This segmentation allows each determination area to be optimized for its specific location and size requirements, enabling both ease of operation and measurement precision simultaneously.
Data Source
AI summary
An image capture apparatus that detects a position of a gazed point in an image based on a line of sight of a user is disclosed. The image capture apparatus also detects at least one characteristic area from the image and sets a determination area to each characteristic area having a size that is greater than or equal to a predetermined lower limit value. Then the image capture apparatus selects the characteristic area corresponding to a determination area including the position of the gazed point.