Dual-Camera Golf Swing Analysis for Low-Power Club Tracking
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Solution Overview
Problem
Conventional golf swing analysis apparatuses face challenges such as high installation and maintenance costs, difficulty in use under bright illumination, and high power consumption, particularly when using proximity sensors, which limit their portability and accuracy.
Innovation Solution
A golf swing analysis apparatus utilizing a combination of first and second cameras to capture high and low-resolution images, with an image analysis unit identifying coordinate information and a calculation unit determining ball flight information, including environmental factors, to provide accurate swing predictions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If halogen lights and infrared sensors are used to detect club head movement, then measurement capability is achieved, but installation complexity and portability are reduced
Solution Approach 1:
The patent replaces the mechanical/optical sensor system (halogen lights and infrared sensors) with a camera-based imaging system. The camera captures images of the golf club and ball, and coordinate information is extracted through image processing, eliminating the need for complex light sensor arrangements and halogen lighting equipment.
Solution Approach 2:
The patent uses image capture to create a visual copy of the golf swing motion. Instead of directly measuring club head movement with sensors, the system captures images that represent the club's position and trajectory, then extracts movement information from these image copies through coordinate analysis.
2Measurement precision
If proximity sensors are used to identify club movement path, then measurement accuracy is improved, but power consumption increases and portability is reduced
Solution Approach 1:
The patent substitutes proximity sensors with a camera-based optical system. The camera captures images and the system extracts club movement path information through image processing and coordinate analysis, eliminating the high power consumption associated with proximity sensor operation while maintaining measurement capability.
3Measurement precision
If multiple rows of light sensors are used to detect club movement, then measurement capability is achieved, but device complexity and cost increase
Solution Approach 1:
The patent replaces multiple rows of light sensors with a single camera system. The camera captures two-dimensional images that contain sufficient information to determine club head movement, eliminating the need for complex multi-row sensor arrangements and reducing both device complexity and cost.
Solution Approach 2:
The patent transitions from a one-dimensional sensor array approach to a two-dimensional image-based approach. By capturing spatial information in two dimensions through imaging, the system achieves comprehensive club movement detection without requiring multiple rows of sensors arranged in specific patterns.
4Measurement precision
If high-resolution image processing is performed on entire images, then analysis accuracy is improved, but computational load increases
Solution Approach 1:
The patent extracts only the relevant coordinate information (club head position, golf ball position) from the captured images through image processing. Instead of processing entire high-resolution images, the system identifies and extracts specific coordinate data points needed for swing analysis, reducing computational load while maintaining accuracy.
Solution Approach 2:
The patent performs partial image processing by focusing only on extracting coordinate information from relevant regions of the captured images. Rather than processing the entire image at full resolution, the system applies image processing selectively to obtain the necessary coordinate data for club and ball positions, achieving sufficient accuracy with reduced computation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus offers portable, accurate, and efficient swing analysis by reducing computational load and extending battery life, while providing real-time feedback through audio, visual, and tactile outputs, enhancing user practice and accuracy.
Implementation Method 1
an input unit including a first camera and a second camera, an image analysis unit that identifies first coordinate information corresponding to first image data obtained from the first camera
Data Source
AI summary
Disclosed are a golf swing analysis apparatus and a method thereof. The golf swing analysis apparatus includes an input unit including a first camera and a second camera, an image analysis unit that identifies first coordinate information corresponding to first image data obtained from the first camera, a calculation unit that identifies impact section data based on the first coordinate information, and an output unit that externally outputs ball flight information calculated by the calculation unit. The image analysis unit transmits, to the calculation unit, second image data obtained from the second camera corresponding to the impact section data. The calculation unit identifies the ball flight information about a practice swing of a user based on the impact section data and the second image data.