PROBLEM TO BE SOLVED: To provide an apparatus for estimating a position of the backbone of an object person at a low cost.SOLUTION: A body information acquisition apparatus includes: body shape acquisition means 11 that acquires body shape data obtained by measuring a body of an object person and representing a three-dimensional shape of a profile of the body including at least a trunk part sectional-shape acquisition means 12 that acquires a cross-sectional shape obtained by cutting the three-dimensional shape at a predetermined cutting surface and an analysis part 13 that estimates a position of the backbone in the cross-sectional shape on the basis of a curvature of a profile of the sectional shape.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】対象者の背骨の位置を低コストで推定する装置を提供する。【解決手段】対象者の身体を測定して得られた、胴部分を少なくとも含む身体の外形の三次元形状を表す身体形状データを取得する身体形状取得手段11と、三次元形状を所定の切断面で切断して得られる断面形状を取得する断面形状取得手段12と、断面形状が有する輪郭の曲率に基づいて、断面形状における背骨の位置を推定する分析部13と、を有することを特徴とする。【選択図】図1
