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基于Hermite插值的视频图像分辨率匹配电路设计
  • ISSN号：1002-8331
  • 期刊名称：《计算机工程与应用》
  • 时间：0
  • 分类：TN47[电子电信—微电子学与固体电子学]
  • 作者机构：[1]天津大学电子信息工程学院微电子与固体电子系,天津300072
  • 相关基金：国家自然科学基金重点项目（No.61036004,No.60976030）
作者： 李少卿[1], 史再峰[1], 姚素英[1], 吴顺华[1], 刘睿[1]
关键词： 图像分辨率匹配, Hermite插值算法, 数字差分分析算法, image resolution matching, Hermite interpolation, digital differential analyzer
中文摘要：

目前常用的图像分辨率匹配算法,存在着缩放效果模糊或硬件消耗过大等问题。综合缩放效果和电路消耗考虑,提出了一种基于三次Hermite插值算法的图像分辨率匹配电路。以基于数字差分分析算法的模块控制插值源像素的选取,以Hermite算法为内核完成插值系数的计算,相对双三次插值算法,保证了较小的硬件消耗。通过均方差、峰值信噪比、灰度梯度模值和傅里叶频谱对Hermite插值算法缩放效果与其余算法缩放效果进行定量分析,表明三次Hermite插值算法比双线性插值算法具有更好的缩放效果。同时通过电路综合结果,表明该电路相对基于双三次插值的电路,硬件消耗更小。

英文摘要：

The algorithm widely used in image resolution matching exits different problems, such as the blurry scaling effect and oversized hardware consumption. With the consideration of scaling effect and circuit consumption,this paper presents a resolution matching circuit based on Hermite interpolation algorithm, as well as a pixel selection controlling module using Digital Differential Analyzer algorithm, and interpolation factor calculating system based on Hermite interpolation algorithm. These settings ensure a less consumption, compared with the circuit based on bicubic interpolation algorithm. The scaling effect using Hermite interpolation is proved to be better than bilinear scaling effect, with measurable analyses using RMSE, PSNR, gray grads and Fourier frequency chart. And the hardware consumption is proved to be less than the circuit using bicubic interpolation method by analyzing synthesis report.

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期刊信息
  • 《计算机工程与应用》
  • 北大核心期刊（2014版）
  • 主管单位:中国电子科技集团公司
  • 主办单位:华北计算技术研究所
  • 主编：怀进鹏
  • 地址：北京市海淀区北四环中路211号北京619信箱26分箱
  • 邮编：100083
  • 邮箱：ceaj@vip.163.com
  • 电话：
  • 国际标准刊号：ISSN：1002-8331
  • 国内统一刊号：ISSN：11-2127/TP
  • 邮发代号:82-605
  • 获奖情况:
  • 1. 2012年首批获得中国学术文献评价中心发布的 “...,2. 2001年获得新闻出版署“中国期刊方阵双效期刊”,3. 2008年首批入选国家科技部“中国精品科技期刊...,4.2003年-2011年连续获得工业和信息化部期刊最高...
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  • 被引量:97887