Automated Offside Detection and Visualization With Sensor Fusion
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Solution Overview
Problem
Existing systems for determining offside positions in sports, particularly soccer, suffer from human error due to depth perception issues and limited field of view, leading to incorrect referee calls, and current video-assisted systems lack real-time object tracking and rely on human interpretation.
Innovation Solution
An imaging system combined with wearable sensors and a cloud-based platform that tracks player and ball locations using linear motion to accurately determine offside positions, integrating data analytics for real-time visualization and automated decision-making.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If human referees use visual inspection to determine offside positions, then the system is simple and requires no additional equipment, but measurement precision deteriorates due to depth perception issues and limited field of view
Solution Approach 1:
The patent replaces the mechanical/visual inspection system of human referees with an automated imaging system that uses cameras, sensors, and computer vision algorithms to detect player positions and determine offside violations, thereby improving measurement precision without requiring complex manual interpretation
Solution Approach 2:
The patent introduces an intermediary automated detection system that includes imaging devices, sensors, and processing units positioned between the players and the referee decision-making process, providing precise positional data to eliminate depth perception errors while maintaining system manageability through modular architecture
2Measurement precision
If video-assisted systems are used to review referee decisions, then measurement precision improves through multiple camera angles, but loss of time increases due to manual interpretation and review processes
Solution Approach 1:
The patent implements preliminary tracking and detection of player positions throughout the match using continuously operating cameras and sensors, so that when an offside incident occurs, the system has already captured and processed the relevant positional data, enabling immediate automated determination without time-consuming manual review
Solution Approach 2:
The patent establishes a real-time feedback loop where imaging systems continuously monitor player positions, the processing unit immediately analyzes the data against offside rules, and the result is instantly communicated to referees, creating a closed-loop system that eliminates delays associated with manual video review while maintaining high precision through continuous data validation
3Reliability
If automated detection systems with multiple cameras and sensors are deployed, then reliability improves through reduced human error, but device complexity increases due to additional equipment and data processing requirements
Solution Approach 1:
The patent merges multiple imaging devices, sensors, and processing functions into an integrated automated detection system that operates as a unified entity, combining camera systems, sensor arrays, and computational units to improve reliability through redundant measurement methods while managing complexity through systematic integration and standardized data processing protocols
Data Source
AI summary
The present invention includes systems and methods for automated detection and visualization of offside positions. In soccer, offside is determined by the position of a player relative to the position of players on the opposing team and/or the soccer ball. The present invention provides systems and methods for tracking the location of players on a soccer field and for determining whether a player is in an offside position. The present invention further includes an imaging system for tracking the location of a boundary object that determines where offside positions begin. The system is then operable to enhance image and video data using the data collected during detection of offside positions.