Further, decoloring of Vlas Blomme threads of denim woven fabrics is drawn with an irregularity numerical array calculated by taking color irregularity and thickness irregularity of length similar to that of material of woolen yarn into consideration and combined with the woven fabric quasi-image. さらに、デニム織物の中白糸の色落ちを紡績糸の素材に類似した長さの色ムラと太さムラを考慮して計算したムラ数値配列で描画し、前記の織物擬似画像と合成する。 - 特許庁