Imaging Control Apparatus Clipping Range Stability
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Solution Overview
Problem
Conventional imaging apparatuses face issues where users may unintentionally lose the desired image clipping range when the imaging direction is physically moved or the imaging range is optically changed, leading to an inability to obtain the desired image.
Innovation Solution
A control apparatus is implemented with an acquisition unit to capture a partial image region and a control unit that restricts operations of driving units changing the imaging range during image acquisition, ensuring the image clipping range remains consistent.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the imaging apparatus is physically moved or optically changed to adjust the imaging range, then the imaging range can be changed, but the user may unintentionally lose the desired image clipping range
Solution Approach 1:
The control unit preemptively restricts operations of driving units that would change the imaging range during the period when a clipped image is being acquired. This preliminary anti-action prevents the harmful effect of losing the desired clipping range before it can occur, by blocking PTZ or zoom operations that would alter the imaging range while clipping is active.
Solution Approach 2:
The system monitors the acquisition state of clipped images and provides feedback control by automatically restricting driving unit operations when clipping is detected. This feedback mechanism ensures that any attempt to change the imaging range while a clipped image is being acquired is automatically prevented, maintaining the integrity of the clipping range.
2Reliability
If operations of driving units are restricted during image acquisition, then the clipping range stability is maintained, but the operability of the imaging apparatus is reduced
Solution Approach 1:
The restriction on driving unit operations is not static but dynamic - it is automatically applied only during the specific period when a clipped image is being acquired, and automatically released when the acquisition is complete. This dynamic control maintains clipping range stability when needed while preserving full operability when clipping is not active, avoiding permanent or unnecessary restrictions.
Solution Approach 2:
The restriction mechanism operates periodically based on the acquisition state - it activates when clipping begins and deactivates when clipping ends. This periodic application of restriction ensures that operability is maintained during normal operation while automatically enforcing stability requirements only during the specific periodic interval when clipping is active.
Data Source
AI summary
An acquisition unit acquires an image of a partial region which is a portion of an image captured by an imaging unit. During a time in which the image of the partial region is acquired by the acquisition unit, a control unit performs control to restrict operations of driving units for changing an imaging range of the imaging unit.