tablet inspection apparatus (11), and semi-transparent tablet, which is a drug that passes through the light The transmission image of but the drugs cystid (21) and the illuminating unit (13), by which the parallel light is imaged Kusuritsutsumi-tai (21) which is irradiated for irradiating collimated light to the sealed Kusuritsutsumi-tai (21) The comprises a camera unit for acquiring (12), an image processing unit for detecting a region low brightness of the peripheral portion than the central portion as a region of the semi-transparent tablet in the transmission image and (15).錠剤検査装置(11)は、光を透過する薬剤である半透明錠剤が封入された薬包体(21)に平行光を照射する照明部(13)と、平行光が照射された薬包体(21)を撮像することにより当該薬包体(21)の透過画像を取得するカメラ部(12)と、透過画像において中心部よりも周縁部の明度が低い領域を半透明錠剤の領域として検出する画像処理部(15)とを備える。
