为了能在硬件上实现高质量、高效果的视频图像缩放、旋转等,文章研究分析了双三次插值算法的实现,对双三次插值计算进行离散化,得到相应的计算模板,简化计算过程.提出了一种在FPGA上实现双三次卷积模板算法的方法.实验结果表明:该算法的缩放效果优于双线性插值算法,略低于双三次插值算法,但计算性能上明显高于双三次插值算法.双三次卷积模板插值算法是一种能够在有限的资源上实现较好效果的插值算法.
参考文献
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