Pose classification apparatus and pose classification method

A posture classification apparatus is disclosed. The posture classification apparatus comprises a first image analyzing unit and a second image analyzing unit for estimating a body area for each pixel on an input image including the human body; a body area determination unit for calculating reliability for each of the analysis results of the first image analyzing unit and the second image analyzing unit, and determining the body area for each pixel of the input image based on the calculated reliability; and a posture estimation unit for estimating posture of the body included in the input image based on the determined body area of each pixel.