PROBLEM TO BE SOLVED: To improve pulse wave velocity measurement accuracy.SOLUTION: A pulse wave velocity measurement system 1 includes: an imaging device 11 performing imaging to generate image data continuous in time series and a control device 12 detecting a human body portion from the image data, determining a blood flow direction according to the human body portion, determining two measurement portions having the same blood flow direction from the human body portion, detecting a pulse wave of each of the measurement portions on the basis of change in pixel values of the two measurement portions on the basis of the variation of pixel values of the two measurement portions, and calculating a pulse wave velocity on the basis of time difference between the pulse waves of the two measurement portions.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】脈波伝播速度の測定精度を向上させること。【解決手段】脈波伝播速度測定システム1は、撮像を行い、時系列的に連続した画像データを生成する撮像装置11と、画像データから人体の部位を検出し、人体の部位に応じて血流方向を決定し、人体の部位の中から血流方向が同一の2つの測定部位を決定し、2つの測定部位の画素値変化に基づいて各測定部位の脈波を検出し、2つの測定部位における脈波の時間差に基づいて脈波伝播速度を算出する制御装置12と、を具備する。【選択図】図1
