Exercise Ball Rotation-Axis Visualization From Multiple Viewpoints
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Solution Overview
Problem
Existing methods fail to effectively display the relationship between the rotation axis of a ball moving in a three-dimensional space and its trajectory in a way that is easily understandable in two dimensions.
Innovation Solution
Output information representing rotation axes of balls from different viewpoints, including the pitcher side, batter side, and orthogonal views, to facilitate understanding the relationship with trajectory changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If three-dimensional ball motion data is displayed using conventional two-dimensional methods, then the display is simple, but the relationship between rotation axis and trajectory change is difficult to understand
Solution Approach 1:
The patent applies dimensionality change by projecting three-dimensional ball motion data onto two orthogonal two-dimensional planes (side view and top view). This allows complex 3D rotation axis information to be displayed in simplified 2D formats while maintaining the ability to understand the relationship between rotation and trajectory. The side view displays the vertical plane containing the trajectory, while the top view displays the horizontal plane, together providing complete spatial information.
2Loss of information
If multiple viewpoint information is provided to show rotation axes, then understanding of trajectory relationship improves, but information processing complexity increases
Solution Approach 1:
The patent segments the three-dimensional rotation axis information into two separate two-dimensional projections: a side view projection and a top view projection. Each projection captures specific aspects of the rotation axis from different perspectives. By dividing the complex 3D information into manageable 2D segments, the system maintains complete information while reducing processing complexity compared to handling full 3D data.
Data Source
AI summary
Information for displaying information representing rotation axes of balls seen from a first point side or a second point side in regard to one or more motions of the balls moving from the first point side to the second point side is output, and information for displaying information representing rotation axes of the balls seen from an outer side located in a direction that is orthogonal to a virtual straight line connecting the first point to the second point in regard to the motions is output.