在对雷达记录仪采集的视频数据分析的基础上,提出了一种改进的基于零树编码的小波分解雷达图像压缩算法。
On the basis of analyzing video data acquisition from radar recording meter, an improved radar image compression algorithm, based on zero-tree coding wavelet decomposition, was proposed.
在分析了自适应小波变换和扩频特性关系的基础上,提出一种基于小波变换的扩频数字水印算法。
The relation between the digital watermarking and spread-spectrum was analyzed at first, A spread-spectrum adaptive digital watermarking scheme based on the wavelet transform was proposed.
本发明涉及一种基于小波变换的数字水印技术,是一种多媒体视频数据保护方法,属于多媒体信号处理领域。
The digital wat remark technique based on a wavelet transform is a method for protecting multi media video data, belonging to the multi media signal processing area.
提出了一种基于小波分解和倒谱技术的音频数字水印算法,该算法通过对原始音频进行小波多级分解,从中选取低频系数进行倒谱变换。
Based on wavelet decomposition and cepstrum technology, an audio watermarking algorithm was proposed in which the low-frequency wavelet coefficients were chosen for cepstrum transforming.
其次使用小波变换模极大方法对上证指数、深证成指和三支股票青岛海信、青岛啤酒、青岛海尔五分钟高频数据进行了多重分形谱的分析,并与MFDFA法的计算结果进行比较。
Next. WTMM is used to analyze multifractal spectrums of three stocks 5-minute high-frequency data of Qingdao Hisense. Qingdao beer and Qingdao Haier, and WTMM's results is compared with MFDFA's.
其次使用小波变换模极大方法对上证指数、深证成指和三支股票青岛海信、青岛啤酒、青岛海尔五分钟高频数据进行了多重分形谱的分析,并与MFDFA法的计算结果进行比较。
Next. WTMM is used to analyze multifractal spectrums of three stocks 5-minute high-frequency data of Qingdao Hisense. Qingdao beer and Qingdao Haier, and WTMM's results is compared with MFDFA's.
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