Camera-Based Putting Motion Analysis System
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Solution Overview
Problem
Existing systems for analyzing putting motions in golf are inaccurate and require additional electronic equipment, making them difficult to implement and use, especially for detecting the position of the ball manually.
Innovation Solution
A system that uses a camera to detect the positions and movements of a putting mat, putter, and ball in real-time without additional electronic equipment, employing mat markers, putter markers, and a ball stopper to calculate speed and direction, and convert putter motion into simulator pointer coordinates for menu selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual checking of ball position is used, then the system can be implemented with simple equipment, but the measurement precision deteriorates
Solution Approach 1:
The patent replaces manual mechanical checking of ball position with an optical detection system using a camera and image processing. The system captures images of the putting mat, putter, and ball, then automatically processes these images to detect positions and movements, eliminating the need for manual measurement while significantly improving accuracy.
Solution Approach 2:
The patent creates visual copies of the physical objects (ball, putter, mat) through camera imaging. By capturing optical images and processing them to extract position information, the system generates accurate digital representations of the physical state without requiring direct physical measurement or additional electronic sensors on the objects themselves.
2Measurement precision
If additional electronic equipment is used for detection, then the measurement precision improves, but the device complexity increases
Solution Approach 1:
The patent makes the camera serve multiple functions: detecting the position of the ball, tracking the putter movement, and monitoring the putting mat position. By using a single camera system for all detection tasks and processing all image data through one computer system, the patent achieves high measurement precision without proportionally increasing device complexity.
Solution Approach 2:
The system uses the camera to capture images that contain all necessary information for detection. The computer then processes these images to automatically determine positions and movements without requiring additional specialized sensors or electronic equipment on the golf equipment themselves, allowing the system to serve its own detection needs with minimal added complexity.
3Ease of operation
If a pointer function is implemented for menu selection, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The patent introduces a pointer as an intermediary between the putter movement and the menu selection function. The putter's physical movement is converted into pointer movement on the display, which then interacts with menu items. This intermediary layer simplifies the user interface by providing intuitive control while the software handles the coordinate transformation and interaction logic.
Solution Approach 2:
The patent converts the three-dimensional putter movement in physical space into two-dimensional pointer coordinates on the display screen. By projecting the spatial movement onto a 2D plane and establishing coordinate correspondence, the system enables natural menu selection through putting motion while managing the software complexity through mathematical transformation.
Data Source
AI summary
A system for analyzing a putting motion includes: mat markers attached to a mat on which a ball is placed; a putter marker attached to a putter for applying an impact to the ball; a mat having a color contrasting with colors of the mat markers, the putter marker and the ball; a camera for photographing the mat markers, the ball, and the putter marker; a mat detection unit for detecting a position of the mat from an image photographed by the camera; an object detection unit for detecting positions of the putter and the ball in real time; a ball calculation unit for calculating a speed and a moving direction of the ball based on the detected ball; and a pointer calculation unit for calculating a pointer position for a menu selection function necessary for a simulator operation by using coordinates of the detected putter.