Ball Launch Analysis With Hybrid Camera And Infrared Detection
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Solution Overview
Problem
Existing ball launch analysis devices using infrared sensors and cameras face issues with false detections due to external noise and inefficient continuous capturing, leading to high costs and data capacity requirements.
Innovation Solution
A ball launch analysis device utilizing left and right infrared sensors and cameras to detect and capture specific zones, combining placement, appearance, and disappearance determination controls to accurately calculate flight parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If infrared sensors are used to detect ball launch, then detection accuracy is improved, but false detection due to external noise increases
Solution Approach 1:
The patent combines infrared sensors with cameras to create a hybrid detection system. The infrared sensors detect the ball launch event while the camera captures visual confirmation, allowing the system to distinguish true ball launches from false detections caused by external noise or other objects.
Solution Approach 2:
The camera acts as an intermediary verification mechanism. When the infrared sensor detects a potential ball launch, the camera captures an image to confirm whether it is actually a ball being launched, serving as a mediator between the infrared detection and the final determination.
2Reliability
If continuous capturing is performed to capture the ball launch moment, then capture reliability is improved, but data capacity requirements and costs increase
Solution Approach 1:
Instead of continuous capturing, the system uses periodic triggering based on infrared sensor detection. The camera only captures images when the infrared sensor detects a potential ball launch event, converting continuous capturing into event-driven periodic action that reduces data capacity requirements while maintaining capture reliability.
Solution Approach 2:
The infrared sensor performs preliminary detection to identify potential ball launch events before the camera activates. This preliminary action allows the system to prepare for capturing only when necessary, avoiding the need for continuous capturing and reducing overall data capacity requirements.
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
Enables high-accuracy analysis of ball flight parameters by efficiently combining infrared sensors and cameras, reducing false detections and continuous capturing inefficiencies.
Implementation Method 1
left and right infrared sensors capable of detecting a left detecting zone and a right detecting zone
Data Source
AI summary
The placement determination control part 103 determines whether a ball was placed in a left trigger zone within the left detecting zone of the left capturing zone or a right trigger zone within the right detecting zone of the right capturing zone, using left and right cameras. The appearance determination control part 104 determines if an object appeared in a placement detecting zone, including a placement trigger zone, using the infrared sensor corresponding to the camera of that zone. The disappearance determination control part 105 determines if the ball disappeared from the placement detecting zone where the object appeared, using the corresponding infrared sensor. The next appearance determination control part 105 checks whether the ball appeared in a launch detecting zone, using the infrared sensor corresponding to the launch detecting zone adjacent to the placement detecting zone. The signal transmission control part 106 transmits a trigger signal accordingly.