Camera-Based Flood Warning System for Corrosion-Resistant Monitoring
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Solution Overview
Problem
Current water level detection systems for flooding are prone to corrosion and reduced accuracy due to exposure to sun and rain, leading to increased maintenance costs and reduced detection accuracy, and often require multiple detectors to effectively monitor flooding areas, with uncertainty about optimal detector placement.
Innovation Solution
A flood warning method using cameras and processors to obtain and process images of detection fields, calculating the ratio of puddle area to detection area, and outputting warnings when the ratio exceeds a predetermined threshold, leveraging AI models and edge computing to provide accurate and cost-effective monitoring without the need for multiple detectors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional electrode-based water level detectors are installed to detect flooding, then flooding detection capability is provided, but the detectors are prone to corrosion from sun and rain exposure, increasing maintenance costs and reducing detection accuracy
Solution Approach 1:
The patent replaces the traditional mechanical/electrical electrode-based water level detection system with an optical imaging system using cameras and image processing algorithms. This substitution eliminates the physical electrodes that were susceptible to corrosion, while maintaining or improving detection accuracy through non-contact optical measurement of water levels and puddle areas.
2Reliability
If multiple detectors are installed in one detection field to thoroughly detect flooding situations, then detection coverage is improved, but system complexity and cost increase
Solution Approach 1:
The patent employs a single multi-functional detection system that uses camera imaging and image processing to simultaneously determine water levels, calculate puddle areas, identify flooding conditions, and assess the extent of water coverage. This single system replaces multiple specialized detectors, reducing system complexity while maintaining comprehensive detection coverage through the versatility of optical imaging and computational analysis.
Data Source
AI summary
A flood warning method, adapted to a detection field, the method comprises: obtaining an original image associated with the detection field by a camera, wherein the original image includes a predetermined detection area; performing an image processing procedure on the original image by a processor to obtain a processed image, and overlapping the predetermined detection area with the processed image; calculating a ratio of a puddle area overlapping the predetermined detection area by the processor; determining whether the ratio falls within a warning range by the processor; and outputting a warning notification by the processor when the ratio falls within the warning range.