Virtual Golf Trajectory Detection via Image Processing

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Solution Overview

Problem

Conventional golf simulation devices are expensive and require large facilities, limiting their use for individuals who want to practice golf in a small space, such as their home, using a portable device like a mobile phone.

Innovation Solution

An apparatus and method for supporting virtual golf that includes a golf environment simulation device, an image acquisition module, and a processor. The processor recognizes the golf ball through images acquired by the module, determines the initial speed and moving direction, and displays the trajectory in a virtual play environment, allowing users to practice golf using their mobile devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional golf simulation devices are used, then accurate trajectory simulation is achieved, but high cost and large facility requirements limit accessibility

Engineering Contradiction:
Improvetrajectory simulation accuracyVSAvoidfacility scale
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent uses image capture devices (cameras) to capture images of the golf ball and creates a virtual copy of the real-world golf environment. The processor analyzes these images to simulate the golf ball's trajectory in a virtual space, replacing the need for expensive physical simulation facilities while maintaining trajectory accuracy through image-based detection and virtual rendering.

Inventive Principle:
Principle #26Copying

2Measurement precision

If conventional golf simulation devices are used, then trajectory detection is accurate, but portability and ease of use in small spaces are compromised

Engineering Contradiction:
Improvegolf ball trajectory detectionVSAvoidportability
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent replaces complex mechanical detection systems with image-based detection using cameras and processors. The image capture device captures images of the golf ball, and the processor analyzes these images to determine trajectory information, eliminating the need for bulky mechanical sensors while maintaining detection accuracy and enabling portability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If image-based detection is used, then device portability is improved, but the complexity of image processing and recognition increases

Engineering Contradiction:
Improvedevice portabilityVSAvoidimage processing complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent employs deep learning models that have been pre-trained to automatically recognize and analyze golf ball images. The processor uses these pre-learned models to extract trajectory information from images without requiring complex real-time processing algorithms, allowing the system to remain portable while handling image processing complexity through automated AI-based recognition.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250121277A1Apparatus and method for supporting virtual golf, and computer program
Publication Date: 2025.04.17 CHIN DAE JE
  • US20250121277A1 patent drawing
  • US20250121277A1 patent drawing
  • US20250121277A1 patent drawing

AI summary

An apparatus for supporting virtual golf according to one aspect of the present invention includes a golf environment simulation device implemented such that a golf ball is physically hit and moved by to the hit, an image acquisition module configured to acquire an image of the golf ball, and a processor configured to recognize the golf ball based on the image of the golf ball acquired by the image acquisition module at a time point when the golf ball is hit on the golf environment simulation device to determine an initial speed and moving direction of the golf ball, determine a moving trajectory of the golf ball based on a hitting position at which the golf ball is hit and the determined initial speed and moving direction in a virtual play environment, and display the determined moving trajectory.