Motion Data Comparison Apparatus for Golf Swing Timing Analysis
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Solution Overview
Problem
Existing technologies lack an efficient method to compare and notify information about the motion data of multiple subjects, particularly in analyzing and visualizing the timing and speed of golf swings between players and professional golfers, making it difficult to provide actionable feedback for improving swing techniques.
Innovation Solution
A data comparison apparatus that acquires motion data, identifies common intervals in the data, compares the data within these intervals, and notifies information on the comparison results, allowing for the visualization of speed and timing differences between players and professional golfers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If motion data of multiple subjects is acquired and compared to provide actionable feedback, then the usefulness and information quality improve, but the device complexity and processing requirements increase
Solution Approach 1:
The patent segments motion data into distinct time intervals based on motion phases (e.g., backswing, downswing, follow-through in golf). By dividing the continuous motion data into discrete phases, the system can compare specific intervals between subjects without processing entire datasets, reducing complexity while maintaining information quality.
Solution Approach 2:
The patent extracts and compares only the relevant time intervals where motion differences are most meaningful. Rather than comparing all motion data points, the system identifies and extracts specific phases (e.g., impact timing, peak speed moments) for comparison, reducing processing requirements while preserving actionable insights.
2Measurement precision
If detailed motion data comparison is performed across multiple subjects, then measurement precision and analysis depth improve, but the processing time and loss of time increase
Solution Approach 1:
By segmenting motion data into predefined phases, the system can quickly locate and compare only the relevant time intervals for each motion phase. This avoids processing entire motion sequences and reduces processing time while maintaining precision in comparing critical moments.
Solution Approach 2:
The patent performs preliminary identification of common time intervals and motion phases before detailed comparison. By pre-segmenting data and identifying comparable intervals in advance, the system prepares the data structure to enable rapid precision comparison without time-consuming processing during the actual analysis phase.
3Reliability
If common time intervals are identified and compared across multiple motion datasets, then the reliability and consistency of comparison improve, but the device complexity increases
Solution Approach 1:
The patent establishes universal time interval definitions that can be applied across different subjects and motion types. By creating a standardized framework for identifying common intervals (e.g., standardized golf swing phases), the system ensures reliable and consistent comparisons without requiring complex subject-specific analysis for each case.
Data Source
AI summary
A data comparison apparatus 1 includes: an image acquisition unit 42 that acquires data of a plurality of motions; an interval identification unit 45 that identifies a predetermined interval that is common in data of the plurality of motions; a time period comparison unit 47 that compares the plurality of motions in the identified predetermined interval; and a notification unit 50 that notifies information corresponding to a comparison result of the time period comparison unit 47.