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    • 9. 发明申请
    • Interpolation method for enlarging an image
    • 用于放大图像的插值方法
    • US20070053025A1
    • 2007-03-08
    • US11347381
    • 2006-02-06
    • Chun-Hsien ChouJen-Chieh LinShu-Min LiauTsung-Hao Lee
    • Chun-Hsien ChouJen-Chieh LinShu-Min LiauTsung-Hao Lee
    • G06K15/02
    • G06T3/4007
    • The present invention relates to an interpolation method for enlarging an image, wherein the image is composed of plural scanning lines. Firstly, it selects four adjacent continuous pixels xk−1, xk, xk+1, and xk+2 which have the pixel values f(xk−1), f(xk), f(xk+1), and f(xk+2) respectively on each of the scanning lines; next, it determines three linear equations Lk−1, Lk, and Lk+1 according to every two adjacent pixel values f(xk−1) and f(xk), f(xk) and f(xk+1), and f(xk+1) and f(xk+2), respectively; then, it selects a pixel x to be interpolated between the pixel xk and the pixel xk+1; finally, it applies the pixel x to the three linear equations Lk−1, Lk, and Lk+1 to determine three candidate pixel values which are weighted and combined to obtain pixel value f(x) of the pixel x.
    • 本发明涉及一种用于放大图像的内插方法,其中图像由多条扫描线组成。 首先,它选择四个相邻的连续像素x k-1,x k,x k + 1,x k + 2 具有像素值f(x,k-1),f(x k k),f(x k + 1) )和f(x> k + 2>); 接下来,根据每两个相邻像素值f(...),它确定三个线性方程式L k-1,L k和L k + 1, f(x,k),f(x,k)和f(x k + 1) SUB>)和f(xK + 1)和f(xK + 2); 那么它选择要在像素x SUB和像素x k + 1之间进行内插的像素x; 最后,将像素x应用于三个线性方程L k-1,L k和L k + 1,以确定三个候选 像素值被加权和组合以获得像素x的像素值f(x)。