According to the characteristics of PDF417 and the lifting wavelet transform, a digital image watermark algorithm based on PDF417 and lifting wavelet is proposed in this paper.
根据PDF417与提升小波变换的特点,提出一种基于PDF417和提升小波变换的数字图像水印算法。
Combined with various applications in image coding and compression, lifting scheme transform is compared with wavelet transform in both hard realization and computation burden.
结合图像压缩编码的具体应用,从硬件可实现性和计算量两个方面对比了提升框架变换和小波变换。
In order to on-line process engine cylinder head vibration signals of mobile equipment, a de-noising method with gradual changing threshold based on lifting wavelet package transform was proposed.
为了实现移动装备发动机缸盖振动信号的在线处理,提出一种基于提升小波包变换的渐变式阈值降噪方法。
The advantages of wavelet transform constructed with lifting scheme are introduced and compression algorithm based on lifting wavelet for SAR raw data is proposed.
该文介绍了提升方法构造小波变换的优点,结合SAR原始数据的特点,提出了基于提升小波变换的SAR 原始数据压缩算法。
The lifting wavelet package transform based on interpolating subdivision was introduced. The engine cylinder head vibration signal's time-frequency characteristics were analyzed.
分析了移动装备发动机缸盖振动信号的时频特性,介绍了插补细分提升小波包变换算法。
This thesis achieves the following three innovative results: 1 the thesis presents a new parallel array 2-d discrete wavelet transform DWT hardware architecture based on lifting schemes.
以下是本文的三个创新性成果:1设计了一种并行阵列式二维离散小波变换DWT提升格式的硬件结构。
This thesis achieves the following three innovative results: 1 the thesis presents a new parallel array 2-d discrete wavelet transform DWT hardware architecture based on lifting schemes.
以下是本文的三个创新性成果:1设计了一种并行阵列式二维离散小波变换DWT提升格式的硬件结构。
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