Image Capturing Apparatus Reference Position Correction
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Solution Overview
Problem
Conventional image capturing apparatuses face challenges in setting a reference position without impairing user operability, especially when the actual position of an image sensor deviates from the counter position, leading to potential collisions and reduced usability.
Innovation Solution
An image capturing apparatus equipped with a detection unit to identify movable range ends, an obtaining unit to gather speed information during pan-tilt driving, and a setting unit to set a reference position based on this information, ensuring accurate positioning without interrupting user operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the reference position is set by returning to the actual home position when the image sensor position deviates from the counter position, then the positioning accuracy is improved, but the user operability is impaired due to interruptions and potential collisions
Solution Approach 1:
The system performs preliminary detection of the movable range end position and stores it as reference information before actual positioning is needed. When position deviation occurs, the system uses this pre-stored reference information to calculate the corrected reference position without interrupting user operations or causing collisions
Solution Approach 2:
The system introduces an intermediary calculation process that uses the stored movable range end position information as a reference point. Instead of directly returning to the actual home position (which causes interruptions), the system calculates the corrected reference position based on the deviation amount and the stored reference information, thereby resolving the position error without impairing user operability
2Measurement precision
If the system continuously monitors and corrects position deviations, then the positioning accuracy is improved, but the device complexity increases
Solution Approach 1:
The system performs self-correction by automatically detecting position deviations and calculating corrected reference positions using pre-stored movable range end position information. This self-service mechanism eliminates the need for complex external intervention systems while maintaining high positioning accuracy
Solution Approach 2:
The system extracts and stores only the critical reference information (movable range end position) during initial operation. This extracted reference information is then used for all subsequent position corrections, avoiding the need to continuously monitor and process all position parameters, thereby reducing system complexity while maintaining accuracy
Data Source
AI summary
An image capturing apparatus to perform pan-tilt driving includes a detection unit, an obtaining unit, and a setting unit. The detection unit detects a movable range end in a case where the pan-tilt driving is performed. The obtaining unit obtains information about a speed of the pan-tilt driving in a case where the movable range end is detected by the detection unit. The setting unit sets a reference position according to the driving speed information obtained by the obtaining unit.