• prefilter - 引用次数：19

  Design of prefilter of multiwavelets was discussed.

  讨论了多小波的预滤波器的设计问题。

  参考来源 - 区间小波多小波及其在图像处理中的应用研究
  pre-filter - 引用次数：4

  Real-time SAR imaging system based on FPGA is discussed in detail; besides a high-speed parallel processing system is described. The FPGA realization of R-D imaging algorithm, azimuth pre-filter and sinc function interpolation algorithm are elaborated.

  详细的描述了基于FPGA的实时SAR系统的组成及FPGA作为其核心处理器的优势,并给出了一种并行处理结构;重点讨论R-D成像算法,方位向预滤波及截断sinc插值算法的FPGA实现。

  参考来源 - 基于FPGA的实时SAR成像系统设计
• prefilter - 引用次数：8

  So they have attracted much attention in the wavelets theory and application fields recently. When it face the application of discrete multiwavelets transposition, we must use the prefilter, but this process will destroy the important character of multiwavelets.

  然而在应用于实际进行离散多小波变换的实现时，必须对它进行预滤波，这一过程会破坏所设计的多小波许多重要的性质。

  参考来源 - 双正交平衡多小波用于图像压缩
  pre-filter - 引用次数：3

  This paper improves a digital watermark algorithm to embed digital watermark into low frequency sub-image with good tolerance of noise and makes use of pre-filter method to get optimal embedding position so that the watermark embedded can resist filtering effectively.

  论文的数字水印算法是通过小波多分辨率分解在容噪性较强的逼近子图上嵌入数字水印,并且采用预滤波的方式获取最佳嵌入位置使得该算法的抗滤波性能大大增强。

  参考来源 - 一种基于小波的数字水印技术研究

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