Object Detection Using Visual and Thermal Sensor Fusion
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Solution Overview
Problem
Existing object detection systems, including cameras and thermal sensors, struggle to accurately identify and locate objects due to viewing limitations, false identifications, and complexity in installation and calibration, especially in dynamic environments.
Innovation Solution
An object detection and tracking system combining visual image sensors, thermal image sensors, and a location mapping system, which captures and processes both visual and thermal images concurrently to accurately identify and track objects by leveraging their cooperative data for reliable and consistent location determination, using LIDAR or 3D cameras for precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a camera system is used to detect and identify objects, then the system can capture visual images of objects, but the system fails to accurately determine object location and identity due to viewing limitations
Solution Approach 1:
The patent combines multiple sensor systems (visual cameras, thermal sensors, motion detectors) into a unified detection system. The visual image system captures appearance and identity, the thermal sensor system detects heat signatures for location, and the motion detection system identifies movement patterns. By merging these systems and coordinating their data through a processing unit, the patent achieves accurate object location determination while maintaining manageable system complexity through integrated architecture.
2Reliability
If thermal sensor systems or motion detection systems are used to identify objects, then the system can detect object presence, but the system fails to accurately identify what the object is or determine its precise location
Solution Approach 1:
The patent merges thermal sensor systems and visual camera systems into a coordinated detection network. The thermal sensors provide reliable object presence detection and location tracking through heat signature detection, while the visual cameras simultaneously capture detailed appearance information. The processing unit integrates both data streams, correlating thermal detections with visual images to achieve both reliable identification and preservation of detailed object information without loss.
3Adaptability or versatility
If existing detection systems are deployed in dynamic environments with moving machinery or equipment, then the system can initially detect objects, but the system becomes complicated to install, calibrate, and update as the environment changes
Solution Approach 1:
The patent implements a dynamic detection system where the processing unit continuously receives data from multiple sensors and automatically adjusts detection parameters based on environmental changes. The system dynamically updates object profiles, recalibrates detection thresholds, and adapts to new objects or moved equipment without requiring manual reconfiguration. This dynamic operation enables the system to maintain high environmental adaptability while keeping installation and calibration simple, as the system self-adjusts rather than requiring complex manual updates.
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 system provides reliable and accurate object identification and tracking, adapting to changing environments by dynamically defining the workspace and adjusting to obstructions, enhancing precision and reducing false positives, while simplifying installation and calibration.
Implementation Method 1
a thermal image system that captures one or more thermal images of the area concurrently with the visual image system capturing the visual image(s)
Data Source
AI summary
An object detection and tracking system to identify an object of interest and to determine the location of the object within an area. The system includes a processing unit, a visual image system, a thermal image system, and a location mapping system. The visual image system is positioned relative to an area to capture a visual image of at least a portion of the area. The thermal image system is positioned relative to the area to capture a thermal image of at least a portion of the area concurrently with capture of the visual image to cooperatively identify an object in the area. The at least portion of the area captured in the thermal image conforms to the at least portion of the area captured in the visual image. The location mapping system is positioned relative to the area to determine a location of the object in the area.