Image Capturing Apparatus Exposure Comparison via Digital Segmentation
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Solution Overview
Problem
Existing image capturing techniques struggle to effectively compare the effects of image processing, particularly for photographic subject images, as they either fail to compare the effects of ND filter processing or make it difficult to do so.
Innovation Solution
An image capturing apparatus with an image sensor, display, and processor that divides a captured image into multiple regions with varying exposure levels, allowing for the display and control of these regions to compare the effects of ND filter processing, with the processor determining the number and arrangement of regions based on the image's brightness and dynamic range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If digital ND filter process is applied to the entire captured image, then the exposure control is simplified, but the ability to compare different exposure effects on photographic subjects is lost
Solution Approach 1:
The captured image is divided into multiple division regions, with at least one region designated as a photographic subject region. Different exposure effects are applied to different regions, allowing simultaneous comparison of multiple ND filter effects while maintaining simplified digital control throughout the system.
Solution Approach 2:
Different exposure parameters are applied to different spatial regions of the image. The photographic subject region receives differentiated exposure treatment compared to other regions, enabling localized comparison of ND filter effects while maintaining overall system simplicity.
2Loss of information
If captured images with different image processing effects are arranged and displayed separately, then the comparison of processing effects is enabled, but the ability to compare effects specifically on photographic subjects is difficult
Solution Approach 1:
The image is segmented into multiple division regions including at least one photographic subject region. By displaying different exposure effects within these segmented regions of the same image, the system enables direct comparison of processing effects specifically on photographic subjects while maintaining operational simplicity.
3Loss of information
If the captured image is divided into multiple regions with different exposure levels, then the comparison of ND filter effects on photographic subjects is enabled, but the device complexity increases
Solution Approach 1:
The patent replaces physical ND filters and complex mechanical switching systems with digital image processing. The processor applies different exposure levels to different division regions through software algorithms, eliminating the need for multiple physical filters and complex mechanical assemblies while enabling region-specific exposure comparison.
Solution Approach 2:
The system creates digital copies of the captured image and applies different exposure processing to create multiple versions. These processed copies are then displayed in different division regions, allowing comparison of ND filter effects without requiring multiple physical image capture systems or complex hardware modifications.
Data Source
AI summary
An image capturing apparatus includes: an image sensor that outputs an image signal obtained by image capturing of a photographic subject by an imaging device through an image capturing optical system; a display that displays a captured image based on the image signal; and a processor configured to perform control to display, on the display, images in a plurality of division regions obtained by dividing a division target region that includes a photographic subject image in the captured image as images in the respective division regions among which a degree of exposure differs.