Non-contact animal respiration rate detection method, system and equipment based on rPPG and medium

Through the non-contact animal respiration rate detection method based on rPPG, using cameras and rPPG algorithms, the problems of large workload and possible stress on animals in traditional detection methods are solved, and the detection effect of automation, high accuracy and remote monitoring is achieved.

CN119745361AActive Publication Date: 2025-04-04XIDIAN UNIV
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Patent Information

Application Number
CN202411881070.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-04-04
Estimated Expiration
2044-12-19

AI Technical Summary

Technical Problem

Traditional animal respiration rate detection methods require manual operation, which is very labor-intensive, and contact detection may cause stress to animals. Non-contact detection has the problem of high difficulty in obtaining signals.

Method used

The non-contact animal respiration rate detection method based on rPPG is used to capture the respiratory movement of animal skin through the camera, and the area with the most obvious ups and downs in the abdomen is selected as the ROI. The GREEN channel signal in the RGB image is extracted as the bvp signal and processed to obtain the respiration rate information of the animal.

Benefits of technology

It realizes automatic detection of animal respiration rates and remote real-time monitoring, saves manpower, reduces animal stress, improves detection accuracy, and supports remote network monitoring.

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Abstract

The invention discloses a non-contact animal respiration rate detection method, system and device based on rPPG and a medium, and the method comprises the steps: fixing a camera on an animal body or around the animal, extracting an image of animal respiration movement, uploading the image to an intelligent terminal, selecting a proper ROI, then extracting a bvp signal of the ROI, processing the extracted signal by using an rPPG algorithm, and obtaining the detection result of the animal respiration rate. The final respiration rate can be obtained; the intelligent terminal displays the respiratory rate calculated by the extracted signals of the different ROIs, the confidence coefficient and the respiratory rate after final weighted calculation; according to the system, the equipment and the medium, animal respiration rate detection is carried out based on a non-contact animal respiration rate detection method of rPPG; the method has the advantages of convenience, rapidness, reduction of animal emergency, high real-time performance and high accuracy; the animal respiration rate can be displayed in real time under the non-contact condition, consumption of manpower and material resources in animal respiration rate measurement is reduced, and real-time performance and accuracy are enhanced.
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