Exposure Setting Apparatus Visualizing Parameter Relationships
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Solution Overview
Problem
Users unfamiliar with image capturing struggle to intuitively understand how changes in one exposure setting value affect other values in modes where some settings are automatically determined, such as aperture priority and shutter speed priority modes, making it difficult to set appropriate exposure conditions.
Innovation Solution
An exposure setting apparatus and method that displays a coordinate system with indicators showing the influence of changes in one exposure control parameter on another, allowing users to visualize and adjust combinations of exposure settings to achieve predetermined exposure conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If automatic exposure setting is used in aperture priority or shutter speed priority modes, then the exposure control is simplified and operation is easier, but the user cannot intuitively understand how changes in one setting value affect other setting values
Solution Approach 1:
The patent transforms the abstract relationship between exposure parameters into a two-dimensional coordinate system display. The coordinate system visually maps the relationship between the first exposure control parameter (e.g., shutter speed) on one axis and the second exposure control parameter (e.g., aperture value) on the other axis, allowing users to intuitively understand how changes in one parameter affect the other while maintaining automatic exposure control.
Solution Approach 2:
The patent introduces a coordinate system display as an intermediary between the user and the automatic exposure control system. This visual intermediary shows the current setting point and the trajectory of parameter changes, mediating the user's understanding of the relationship between exposure parameters without requiring manual control of both parameters.
2Adaptability or versatility
If manual setting of both shutter speed and aperture value is required, then the user can control all exposure parameters, but the operation becomes complex and difficult for beginners
Solution Approach 1:
The patent segments the exposure control into two parts: automatic control of the combination of parameters (maintaining correct exposure) and manual control of a single parameter (providing creative flexibility). This segmentation allows users to control one parameter while the system automatically adjusts the other, reducing operational complexity while maintaining exposure control flexibility.
Solution Approach 2:
The coordinate system display serves multiple functions simultaneously: it shows current settings, illustrates the relationship between parameters, indicates the direction of parameter changes, and provides guidance for achieving desired exposure effects. This multi-functionality reduces the need for separate controls and displays for each aspect of exposure control.
Data Source
AI summary
There is provided an exposure setting apparatus. A display control unit performs control to display a coordinate system region, a first indicator, and a second indicator on a display unit. The coordinate system region represents a coordinate system that includes a first axis corresponding to a first exposure control parameter and a second axis corresponding to a second exposure control parameter. The first indicator indicates positions, in the coordinate system region, of a plurality of combinations of a value of the first exposure control parameter and a value of the second exposure control parameter that correspond to a predetermined exposure. The second indicator indicates a position, in the coordinate system region, of a combination of the setting value of the first exposure control parameter and the setting value of the second exposure control parameter.