PROBLEM TO BE SOLVED: To appropriately adjust a light quantity without flicker in an electronic endoscope apparatus capturing an image by sequentially illuminating a plurality of types of illumination light with different spectra.SOLUTION: The electronic endoscope apparatus (10) includes: an illumination light generation unit (70) that generates a plurality of types of illumination light with different spectra a light source control unit (72) that sequentially switches the illumination light to be applied to an observation object area and controls the light quantity of each illumination light an imaging unit that has an imaging device (52) for imaging the observation object area to which the illumination light is applied a weighting processing unit (62) that sets weighting for use in a calculation of the light quantity adjustment on the basis of image data captured under the illumination of illumination light according to the type of the applied illumination light and the light quantity adjustment unit (64) that calculates alight quantity adjustment value by reflecting the weighting according to the type of the illumination light therein. The light source control unit (72) controls, based on the light quantity adjustment value, a light quantity of another type of illumination light to be applied after the illumination of the illumination light in the imaging by which the image data used for the calculation of the light quantity adjustment value is obtained.COPYRIGHT: (C)2014,JPO&INPIT【課題】スペクトルが異なる複数種類の照明光を順次に照射して撮像を行う電子内視鏡装置において、ちらつきの無い適切な光量調整を実現する。【解決手段】電子内視鏡装置(10)は、スペクトルが異なる複数種類の照明光を発生させる照明光発生部(70)と、被観察領域に照射する照明光を順次に切り替え、各照明光の光量を制御する光源制御部(72)と、照明光が照射された被観察領域を撮像する撮像素子(52)を有する撮像部と、照射された照明光の種類に応じて、その照明光の照射のもとで撮像された画像データに基づく光量調整の演算に用いる重み付けを設定する重み処理部(62)と、照明光の種類に応じた重み付けを反映させて光量調整値を演算する光量調整部(64)とを備え、光源制御部(72)は、光量調整値の演算に用いた画像データが得られた撮像時の照明光の照射後に照射される別の種類の照明光の光量を光量調整値に基づいて制御する。【選択図】図3
