Problem to be solved: to provide a sweating amount estimation device capable of accurately estimating the sweat rate of the examinee in real time.The sweat rate estimatorA visible light camera 11 for acquiring the first image data including the image data of the subject isThe temperature and humidity detector 12 for detecting the temperature and humidity of the surrounding environment of the subjectA first operation unit 21 for calculating the first moisture content which is an amount of moisture of the clothes of the examinee by image processing of the first image data andA second operation unit 22 for calculating the amount of evaporation of the sweat of the examinee based on temperature and humidity, andA third operation unit 23 for estimating the sweat rate of the examinee based on the amount of water and the amount of evaporation of the sweat of the subject.Diagram【課題】被検者の発汗量をリアルタイムに精度良く推定することができる発汗量推定装置を提供する。【解決手段】発汗量推定装置１０は、被検者の画像データを含む第１画像データを取得する可視光カメラ１１と、被検者の周囲環境の気温及び湿度を検出する気温湿度検出部１２と、第１画像データの画像処理を行って被検者の衣服の水分量である第１水分量を算出する第１演算部２１と、気温及び湿度に基づいて被検者の汗の蒸発量を算出する第２演算部２２と、第１水分量及び被検者の汗の蒸発量に基づいて被検者の発汗量を推定する第３演算部２３と、を備える。【選択図】図１
