PROBLEM TO BE SOLVED: To improve a processing speed in a pulse measurement device which measures a pulse on a basis of image analysis.SOLUTION: A pulse measurement device comprises: an image acquisition unit which acquires a plurality of time-series image data pieces acquired by capturing images of a living body； an image processing unit which executes multiresolution analysis a plurality of times on each of the plurality of captured image data pieces to decompose the image data pieces into high-resolution components and low-resolution components, thereby generating a plurality of converted image data pieces corresponding to the plurality of captured image data pieces； and a pulse measuring unit which calculates a feature quantity indicative of the luminance of a predetermined region in each of the plurality of converted image data pieces, analyzes time-series data of the feature quantities to calculate a variation period of the feature quantities, and calculates the pulse of the living body on a basis of the variation period of the feature quantities.SELECTED DRAWING: Figure 3【課題】画像解析に基づき脈拍を計測する脈拍計測装置において、処理速度を向上させる。【解決手段】生体を撮影して得られた時系列の複数の撮影画像データを取得する画像取得部と、前記複数の撮影画像データの各々に対し、高解像度成分と低解像度成分に分解する多重解像度解析を複数回行って、前記複数の撮影画像データに対応する複数の変換画像データを生成する画像処理部と、前記複数の変換画像データの各々における所定の領域の輝度を示す特徴量を算出し、前記特徴量の時系列データを解析して特徴量の変動周期を算出し、前記特徴量の変動周期に基づき前記生体の脈拍を算出する脈拍計測部と、を有する脈拍計測装置。【選択図】図３
