Image Processing Apparatus for Arbitrary Rotation Center Video
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Solution Overview
Problem
Conventional image processing techniques require multiple imaging sessions to display video using an arbitrary position as the rotation center, making it impractical due to increased time and labor, as they can only utilize a predetermined position as the rotation center.
Innovation Solution
An image processing apparatus that includes an image storage unit for storing images from multiple viewpoints, a conversion unit to transform images as if captured by cameras with dynamically set optical axes passing through a target object, and an output unit to display these converted images, allowing for arbitrary rotation centers without the need for multiple imaging sessions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple imaging sessions are performed to display video using an arbitrary position as the rotation center, then the flexibility of rotation center selection is improved, but the time and labor required for imaging increases
Solution Approach 1:
The patent performs preliminary imaging with a fixed rotation center to capture multiple viewpoint positions, then uses computational geometry to virtually reposition these viewpoints to any desired rotation center. This preliminary capture of comprehensive spatial data eliminates the need for repeated physical imaging sessions when changing rotation centers.
Solution Approach 2:
The patent creates virtual copies of the imaging device at different viewpoint positions through mathematical transformation. By calculating equivalent viewpoint positions based on the captured images and geometric relationships, the system replicates the effect of physically moving the imaging device without actually performing additional imaging sessions.
2Adaptability or versatility
If multiple imaging sessions are performed to display video using an arbitrary position as the rotation center, then the flexibility of rotation center selection is improved, but the labor required for imaging increases
Solution Approach 1:
The patent replaces the mechanical process of physically repositioning and re-imaging with a computational system. Instead of mechanically moving imaging devices and performing multiple imaging sessions, the system uses mathematical calculations to transform images from fixed viewpoint positions to arbitrary rotation centers, significantly simplifying the process.
Solution Approach 2:
The system performs preliminary capture of multiple viewpoint images with a fixed rotation center, storing this comprehensive spatial data for later use. This preliminary action creates a reusable dataset that can be transformed to any desired rotation center without additional imaging labor.
3Ease of operation
If conventional imaging technique is used with predetermined rotation center, then the imaging process is simple, but the ability to display video with arbitrary rotation center is limited
Solution Approach 1:
The patent separates the imaging process into two independent stages: (1) capturing images from multiple viewpoints with a fixed rotation center using simple operations, and (2) computationally transforming these images to any desired rotation center. This segmentation allows the first stage to remain simple while the second stage provides arbitrary adaptability.
Solution Approach 2:
The patent makes the rotation center dynamic by allowing it to be changed after imaging through computational transformation. Instead of fixing the rotation center during imaging, the system calculates equivalent viewpoint positions dynamically based on the desired rotation center, enabling flexible adaptation without changing the physical imaging setup.
Data Source
AI summary
An image processing apparatus includes an image storage unit, a conversion unit, and an output unit. The image storage unit stores therein multiple images with different viewpoint positions. The conversion unit converts each of the images stored in the image storage unit to each of images to be imaged by imaging devices that are arranged such that respective optical axes pass through a dynamically set position in a target object. The output unit outputs the images converted by the conversion unit.