Image Capturing Apparatus Touch Tracking Verification
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Solution Overview
Problem
Existing image capturing apparatuses face issues with accurately tracking the intended object when users attempt to re-designate the tracking target through a touch operation on a touch panel, as erroneous object designation can occur if the touch position is not precise, leading to incorrect tracking.
Innovation Solution
The apparatus includes a tracking unit that detects a correlated area with the object, a touch detection unit, and a calculation unit to determine the difference in distance information between the touch position and the previously tracked object, allowing the tracking unit to adjust the tracking area based on this calculation to ensure accurate object tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the tracking area is set based solely on touch position, then the ease of operation is improved, but the measurement precision of object distance deteriorates
Solution Approach 1:
The patent introduces an intermediary verification mechanism using distance information comparison. When a touch operation is detected, the system calculates distance information from the touch position and compares it with distance information from the previously tracked object. This intermediary comparison step acts as a mediator between the simple touch operation and the accurate tracking target identification, preventing erroneous tracking while maintaining ease of operation.
Solution Approach 2:
The system implements feedback by continuously monitoring and comparing distance information. The distance difference between the touched area and the previously tracked object is calculated and used to determine whether to switch tracking targets. This feedback mechanism ensures that only valid touch operations (those pointing to the intended object) result in tracking changes, thereby maintaining measurement precision while preserving operational simplicity.
2Adaptability or versatility
If the tracking target is changed by touch operation, then the adaptability is improved, but the reliability of tracking deteriorates
Solution Approach 1:
The distance information comparison serves as an intermediary verification layer between the user's touch operation and the tracking target change. This mediator ensures that adaptability (the ability to change tracking targets) is maintained while reliability (accurate tracking of the intended target) is preserved by filtering out erroneous touches through distance validation.
Solution Approach 2:
The system performs preliminary verification by calculating and comparing distance information before actually changing the tracking target. This preliminary action checks whether the touched area corresponds to the intended object by verifying distance consistency, thereby preventing unreliable tracking changes while maintaining the system's adaptability to user input.
3Ease of operation
If the touch panel is used for tracking designation, then the ease of operation is improved, but the manufacturing precision of tracking accuracy deteriorates
Solution Approach 1:
The patent replaces the mechanical precision requirement of manual tracking adjustment with an automated distance-based verification system. Instead of relying on the user's manual precision in positioning the touch, the system uses automated calculation and comparison of distance information to determine tracking accuracy, thereby substituting mechanical precision requirements with computational processing.
Solution Approach 2:
The distance information comparison acts as an intermediary that decouples the ease of touch operation from the requirement for precise touch positioning. The intermediary verification process ensures that even imprecise touches are correctly interpreted by validating them against distance information, thereby maintaining tracking accuracy without compromising operational ease.
Data Source
AI summary
An image capturing apparatus according to an exemplary embodiment includes a touch panel unit that detects a touch operation. When a user touches the touch panel unit while the image capturing apparatus is in a mode of tracking a predetermined object, a system control unit sets an object search area for searching for the predetermined object. The system control unit sets the tracking area based on a difference between information corresponding to a distance to an object calculated by an image calculation unit for the object search area and information corresponding to a distance to an object that has previously been tracked.