An analysis apparatus according to an embodiment of the present invention includes a light source device, an imaging element that captures a biological tissue illuminated by light generated by the light source device to generate color image data, and a living body based on the color image data. The color image data includes an index calculation unit that calculates an index X indicating the feature quantity Q of the organization, and a feature quantity acquisition unit that acquires the feature quantity Q based on the index X, and the feature quantity acquisition unit is included in the color image data A contribution calculation unit that calculates the contribution C of the scattering to the spectral characteristics of the biological tissue based on the monochromatic image data of at least two colors is provided, and the feature quantity Q is acquired based on the index X and the contribution C.本発明の一実施形態に係る分析装置は、光源装置と、光源装置が発生する光により照明された生体組織を撮像してカラー画像データを生成する撮像素子と、カラー画像データに基づいて、生体組織の特徴量Ｑを示す指標Ｘを計算する指標計算部と、指標Ｘに基づいて、特徴量Ｑを取得する特徴量取得部と、を備え、特徴量取得部が、カラー画像データに含まれる少なくとも２色の単色画像データに基づいて、生体組織の分光特性への散乱の寄与度Ｃを計算する寄与度計算部を備え、指標Ｘ及び寄与度Ｃに基づいて特徴量Ｑを取得する。
