Head Mounted Display Target Position Overlay for Camera Tracking
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Solution Overview
Problem
Existing head-mounted displays and video cameras face challenges in automatically tracking objects with significant speed or acceleration, requiring users to manually confirm image capture and often capturing different external scenery than what is visually recognized, with a need for improved convenience and accuracy in object positioning and image capture.
Innovation Solution
A head-mounted display system that includes an image display unit, position specifying unit, and control unit to visually indicate the position of a target object, allowing users to recognize the object's position without head movement, and an image capturing unit to capture external scenery aligned with the user's visual line, with optional features for judging target inclusion in the image range and correcting image blurring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a video camera is used to capture images of moving objects, then image capturing can be performed, but the user must manually check the viewfinder or monitor to confirm normal capture, reducing convenience
Solution Approach 1:
The patent introduces a head-mounted display as an intermediary device that provides visual feedback about target positioning and image capture status without requiring the user to look at a separate viewfinder or monitor. The display shows overlays indicating whether the target is within the capture range, allowing continuous monitoring while maintaining natural vision.
2Extent of automation
If automatic tracking is used to capture moving objects, then tracking can be performed, but the system fails when objects move with great speed or acceleration
Solution Approach 1:
The system continuously provides visual feedback to the user about the target's position relative to the capture range through the head-mounted display. This real-time feedback loop allows the user to adjust their position or the capture parameters dynamically, improving the system's ability to handle fast-moving objects that automatic tracking alone cannot keep up with.
3Device complexity
If the image capturing range is fixed, then the camera structure is simple, but the captured scenery may differ from what the user visually recognizes
Solution Approach 1:
The patent implements a dynamic capture range that can be adjusted based on user needs. The head-mounted display shows the current capture range boundaries and allows the user to modify the range parameters, enabling the capture area to adapt to different scenarios while maintaining a relatively simple camera structure.
Data Source
AI summary
A transmission type head mounted display includes an image display unit that forms an image on the basis of image data and allows the formed image to be visually recognized by a user as a virtual image in a state in which the image display unit is mounted on the head of the user, a position specifying unit that specifies a target position which is a position of a specific target object relative to the image display unit; and a control unit that causes the image display unit to form a target position display image indicating the target position and that sets a position of the target position display image in an image formation region which is a region where the image display unit forms an image, on the basis of the target position specified by the position specifying unit.