CLOTH IMAGE PROCESSING DEVICE, CLOTH IMAGE PROCESSING METHOD AND CLOTH IMAGE PROCESSING PROGRAM

PROBLEM TO BE SOLVED: To provide a cloth image processing device, a cloth image processing method and a cloth image processing program capable of providing an image which reproduces the texture of cloth in which expansion or contraction occurs, at a high precision.SOLUTION: A cloth image processing device comprises: means for generating a luminance value calculation function which calculates a luminance value based on an observation direction and an irradiation direction of a light source in each of a plurality of different expansion or contraction states of a cloth, from the intensity of a reflected light corresponding to the observation direction and the irradiation direction of the light source in each of the plurality of different expansion or contraction states, acquired from the cloth in the plurality of different expansion or contraction states; means for extracting the expansion or contraction state of each pixel point of an area corresponding to the cloth, in an image when rendering a virtual three-dimensional shape model of the cloth; means for selecting the luminance value calculation function corresponding to the expansion or contraction state of the pixel point; and means for calculating a luminance value of the pixel point by the luminance value calculation function.SELECTED DRAWING: Figure 1 【課題】伸縮の発生した布地の質感を高い精度で再現した画像を提供することが可能な、布地画像処理装置、布地画像処理方法、および布地画像処理プログラムを提供する。【解決手段】本発明の布地画像処理装置は、複数の異なる伸縮状態にある布地から取得した、複数の異なる伸縮状態毎の観察方向及び光源の照射方向に対応した反射光の強度から、布地の複数の異なる伸縮状態毎における観察方向及び光源の照射方向に基づいた輝度値を算出する輝度値算出関数を生成する手段と、布地の仮想的な三次元形状モデルをレンダリングした場合における画像の、布地に対応する領域の各画素点の伸縮状態を抽出する手段と、画素点の伸縮状態に対応する輝度値算出関数を選択する手段と、画素点の輝度値を輝度値算出関数により算出する手段と、を含む。【選択図】図１