摘要
本文介绍一种实现数字图象二倍放大的方法及其程序。这种方法既充分利用了图象的原始数据,又利用了插值精度较高的三次样条函数内插法,放大效果令人满意。该方法已成功地应用于气象卫星云图的局部二倍放大。所编程序可实现循环放大。
A two-time enlargement method for digital image and its programme is presented in this paper, the method has not only used the original image gray data but also used the high accuracy interpolation method—bieubic spline interpolation, the enlarged image is greatly satisfied visually. It has been successfully used to the regional enlargement of meterologioal satellite cloud image, the programme can also realize ciculant double enlargement.
出处
《西安工业学院学报》
1990年第3期10-14,共5页
Journal of Xi'an Institute of Technology
关键词
数字图象
样条函数
放大
插值
Digital Image
Bieubic Spline Interpolation
Digital Image Enlargement.
