Digital Camera Composite Image Generation via Segmented Capture
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Solution Overview
Problem
Conventional digital photographing apparatuses struggle to capture images that include a whole background object, such as a large building, while also showing a subject at a reasonable size, often requiring the subject to be made very small or the background to be partially excluded.
Innovation Solution
A method and apparatus that generate a residual image of the background, allow user selection of a partial area for the subject, recognize the subject using face recognition, and combine the background and subject images to create a composite image, enabling the capture of a whole background object with a subject of sufficient size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the photographing apparatus captures the whole background object, then the background is fully included, but the subject becomes very small and difficult to identify
Solution Approach 1:
The photographing process is divided into two separate stages: first capturing the background image, then capturing the subject image. This segmentation allows each element to be captured with optimal framing and size, resolving the contradiction between including the whole background and maintaining subject size.
Solution Approach 2:
The patent transitions from a single two-dimensional photograph to a three-dimensional composite image that combines background and subject images taken from different positions and angles. This dimensional change enables both full background coverage and prominent subject representation.
2Manufacturing precision
If the photographing apparatus captures the subject at a reasonable size, then the subject is clearly visible, but the whole background object cannot be included
Solution Approach 1:
The image capture is segmented into separate background and subject photographs, allowing the subject to be captured at a larger, more prominent size in the subject image while the background is fully captured in the background image. The two segmented images are then combined to resolve the contradiction.
Solution Approach 2:
By creating a composite image that integrates the background image and subject image from different dimensional perspectives, the patent achieves both prominent subject representation and complete background coverage that cannot be accomplished in a single two-dimensional photograph.
3Device complexity
If the photographing apparatus uses a single image capture, then the process is simple, but it cannot simultaneously include the whole background and show the subject at sufficient size
Solution Approach 1:
The photographing process is segmented into distinct steps (capturing background image, capturing subject image, combining images), which increases procedural complexity but enables precise control over the final composite image composition, resolving the contradiction between process simplicity and image quality.
Solution Approach 2:
The patent moves from single-dimensional image capture to multi-dimensional composite image creation, combining images from different perspectives and focal points. This dimensional expansion necessitates a more complex process but achieves superior image composition that satisfies both background coverage and subject prominence requirements.
Data Source
AI summary
A method of controlling a digital photographing apparatus is provided. Also provided is a digital photographing apparatus using the method and a computer readable recording medium having recorded thereon a computer program for executing the method. The method includes displaying a residual image of a background image; setting a partial area of an area on which the residual image is displayed; capturing an image including a subject; extracting a subject image corresponding to the partial area from the image; and generating a composite image by combining the background image and the subject image.