AI-enhanced infrared thermography for reliable detection of temperature patterns in calves

Sensitive region detection for improved non-invasive cattle monitoring

2025-08-13

(Press-News.org) Traditional veterinary practices utilize rectal measurements to assess body temperature, but this method is stressful and does not capture continuous changes in body temperature. Fortunately, recent advancements have introduced infrared thermography, which can non-invasively measure body temperatures. However, it is still difficult to continuously monitor temperature changes over time with this method. Moreso, parts of the image data are set manually, which can cause data variations due to setting positions. These drawbacks prompt the need for significant improvements in infrared thermography methods.

Assistant Professor Sueun Kim’s team at Osaka Metropolitan University’s Graduate School of Veterinary Science used infrared cameras to obtain temperature data of 11 calves and simultaneously recorded video footage. The team sought to determine whether regions of the eyes and nose had higher temperature outputs, and if they exhibited consistent temperature change.

In the experiment, regions of interest (ROI) (the eyes and nose) were automatically pinpointed from the video data by using artificial intelligence segmentation. Approximately 200 temperature change patterns were found, and data analysis showed consistent similarities between patterns based on the top 10% and top 30% values with high body temperatures in both the eyes and nose.

“This research has made it possible to obtain more consistent patterns of changes in cattle body temperature without contact. This enables various statistical analyses and is hoped to be a useful tool for more accurately assessing the health and stress levels of animals in the future,” stated Dr. Kim.

The study was published in BMC Veterinary Research.

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About OMU

Established in Osaka as one of the largest public universities in Japan, Osaka Metropolitan University is committed to shaping the future of society through “Convergence of Knowledge” and the promotion of world-class research. For more research news, visit https://www.omu.ac.jp/en/ and follow us on social media: X, Facebook, Instagram, LinkedIn.

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[Press-News.org] AI-enhanced infrared thermography for reliable detection of temperature patterns in calves
Sensitive region detection for improved non-invasive cattle monitoring

AI-enhanced infrared thermography for reliable detection of temperature patterns in calves

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