Hybrid Body Temperature Measurement System Using Position Mapping
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Solution Overview
Problem
Current thermal imagers struggle to accurately distinguish between human bodies and non-biological objects, and fail to account for varying distances, leading to errors in body temperature detection.
Innovation Solution
A hybrid body temperature measurement system that combines thermal image data with position sensing data, using a computing apparatus to map position sensing data onto thermal images, determining the position of objects and correcting temperature readings for improved accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If thermal imager is used to detect body temperature from a distance, then convenience and safety of temperature screening is improved, but measurement precision deteriorates due to inability to distinguish human bodies from non-biological objects and inability to account for distance variations
Solution Approach 1:
The patent combines thermal imaging technology with position sensing technology into a hybrid measurement system. The thermal imager captures temperature data while the position sensor simultaneously detects the distance to the target object. By merging these two detection systems, the patent maintains the convenience of remote temperature screening while improving measurement precision through distance-based temperature correction and human body identification algorithms.
2Productivity
If thermal imager sets a temperature threshold to identify human bodies, then identification efficiency is improved, but reliability deteriorates because non-biological objects like sunlight-heated floors can also exceed the threshold
Solution Approach 1:
The patent introduces position sensing data as an intermediary element to mediate between the thermal image data and the human body identification decision. The position sensor provides distance information that serves as a mediator to distinguish true human body detections from false positives caused by environmental heat sources. This intermediary data enables the system to maintain high identification efficiency while significantly improving reliability through distance-based verification.
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
Enhances the accuracy of body temperature measurement by correctly identifying objects and accounting for distance variations, reducing errors in detection.
Implementation Method 1
the thermal imager may assume that this block has detected a human body and mark its temperature in this block
Data Source
AI summary
A hybrid body temperature measurement system and a hybrid body temperature measurement method are provided. In the method, position sensing data is obtained. The position sensing data includes an azimuth of one or more to-be-detected objects relative to a reference position. The position sensing data is mapped to a thermal image so as to generate a mapping result. The thermal image is formed in response to a temperature. A position of the to-be-detected object in the thermal image is determined according to the mapping result. Accordingly, the detection accuracy is improved.