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    • 78. 发明公开
    • INFORMATION PROCESSOR
    • INFORMATIONSPROZESSOR
    • EP1406213A4
    • 2009-01-14
    • EP02743660
    • 2002-06-20
    • HI CORP
    • TANIOKA YASUHISATSUTSUMI JUNYAKAWABATA KAZUOODA KAZUTOSHI
    • G06T3/00G06T15/00G06T19/00
    • G06T3/0006
    • An information processor that carries out an affine transformation expressed by (1), wherein a matrix (2) that is the product of an affine transformation matrix A by λ (≠ 0) is stored in a memory unit in advance. When coordinates (x, y, z)t are transformed to coordinates (x’, y’, z’)t by affine transformation, A’ and a matrix (t1, t2, t3)t are read from the memory unit, x’ = (a’11*x + a’12*y + a’13*z)/λ + t1; y’ = (a’21*x + a’22*y + a’23*z)/λ + t2; z’ = (a’31*x + a’32*y + a’33*z)/λ + t3; are calculated, and the coordinates (x’, y’, z’)t are determined.
    • 一种信息处理器,执行由(1)表示的仿射变换,其中作为仿射变换矩阵A乘以λ(≠0)的乘积的矩阵(2)被预先存储在存储器单元中。 当通过仿射变换将坐标(x,y,z)t变换成坐标(x',y',z')t时,从存储器单元读取A'和矩阵(t1,t2,t3)t,x '=(a'11&x; x + a'12'; y + a'13'; z)/λ+ t1; y'=(a'21ξ x + a'22′ y + a'23* z)/λ+ t2; z'=(a'31'; x + a'32'; y + a'33''; z)/λ+ t3; 被计算,并且坐标(x',y',z')t被确定。