Autofocus Control for Moving Objects
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Solution Overview
Problem
Conventional cameras lack an operation mode to automatically and collectively set optimal focus detection operations for moving objects, requiring photographers to gain expertise and experience, making it difficult for inexperienced users to set appropriate settings.
Innovation Solution
An imaging apparatus with a control system that includes a focus detection unit, a selection unit for choosing an autofocus operation mode, a storage unit for setting values, and a setting value changing unit to adjust settings based on the selected mode, allowing for optimal focus detection during object movement without requiring extensive experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the camera changes focus detection operation according to object movement to achieve better focusing, then focusing performance is improved, but the photographer is forced to acquire expertise and gain photographing experience, making it difficult for inexperienced users to use the camera
Solution Approach 1:
The camera automatically performs preliminary actions by pre-setting focus detection operations according to detected object movement patterns. The control unit proactively adjusts focus settings based on predetermined conditions (object entering background, obstacles detected) without waiting for user input or expertise, thereby achieving better focusing while maintaining ease of use for inexperienced users.
Solution Approach 2:
The camera performs self-service by automatically detecting object movement and independently adjusting focus detection operations. The control unit monitors the photographing scene, identifies when objects become out of focus due to movement or obstacles, and automatically changes focus detection operations without requiring user intervention or photographic expertise, thus improving focusing performance while keeping the operation simple for all users.
2Ease of operation
If the camera provides automatic focus detection operation setting, then ease of operation is improved for inexperienced users, but the focus detection operation cannot be optimized for specific photographing scenes and object movement patterns
Solution Approach 1:
The camera dynamically adjusts focus detection operations based on real-time detection of object movement and photographing conditions. The control unit continuously monitors the scene, detects when objects become out of focus due to movement or obstacles, and automatically changes focus detection operations to match the specific photographing scene. This dynamic adaptation allows the camera to maintain ease of operation for inexperienced users while optimizing focus detection for various specific scenes and object movement patterns.
Data Source
AI summary
A control apparatus controls an imaging apparatus that includes a focus detection unit configured to detect a focus state of an image forming optical system. The control apparatus includes a collectively setting unit configured to read initial setting values corresponding to a selected operation mode from a storage unit, and set setting values of a plurality of setting items to initial setting values, and a setting value changing unit configured to individually change setting values of the setting items set by the collectively setting unit and store the changed setting values in the storage unit. An operation of the focus detection unit is controlled by the operation mode in which the setting values have been changed by the setting value changing unit.