您要查找的是不是：
- discrete Haar wavelet 离散Haar小波分解
- Theoretical analysis indicates the sequence of coefficient module of Haar wavelet transform has discrete spectral lines in the power spectrum. 通过对此单极性脉冲序列的功率谱分析可知,在基带信号码元速率的整数倍处存在离散谱线,检测这些离散谱线即实现了信号码元速率的估计。
- We propose a Hurst index estimation method based on DFGN model and Haar wavelet. 针对这些问题,对WO法进行改进,提出一种基于DFGN模型和Haar小波的Hurst参数估计方法;
- Lighting,occlusion and BRDF functions are pre processed on Haar wavelet basis in PRT framework. 在PRT框架下，利用小波变换对光照、遮挡、BRDF等函数进行预处理。
- Haar wavelet transform is implemented at one level as the sinusoidal voltage signal is sampled at fixed intervals. 新相子由实小波域的复信号组成，所需的小波变换只须在第1个尺度上进行。
- By using Mexican-hat wavelet and Haar wavelet transform,the abrupt change points of Chinese temperature in the last 120 years are discussed. 用墨西哥帽小波和哈尔小波函数分析了我国气温变化的突变点位置 ,并用气温序列的 5 a滑动平均序列计算了信噪比 (S/ N) ,进一步验证了突变点的位置。
- Losless encoding of CDF(2,2)combine with SPIHT comparison whit ARJ ,JPEGLS and integer Haar wavelet transform with DPCM,improved compression rate by40%,30%,15%respectively. CDF(2,2)结合SPIHT编码的无损图象压缩比与ARJ,JPEGLS,整数Haar变换结合DPCM相比分别平均提高了40%25,30%25,15%25左右。
- A method is presented for decomposing the image with Haar wavelet and partitioning the image as text, picture and background based on the statistical distribution of the Haar wavelet coefficients in LH and HL high frequency bands. 用Haar小波分解图像;并基于LH和肌高频带Haar小波系数的统计分布规律将文本图像分割为文字、画面和背景.
- With Delphi as a platform,this paper has a detailed study of the principle and methods in realizing the audio-information compression by Haar wavelet,and has a further exploration to the practical result. 文章利用Delph i语言为平台,阐述了Haar小波用于音频信息压缩的实现原理和方法,并对应用结果进行了探讨。
- It does not need the prior knowledge,overcomes the problem of undetected information of haar wavelet transform method and increase the applicability of the method of automatic modulation recognition based on wavelet transform. 验证该方法较现有文献利用Haar小波变换识别信号方法具有更好的性能,而且克服了现有文献采用Haar小波变换识别调制信号的漏检问题,提高了运算速度和性能,并有效增加了小波变换识别调制信号方法的适用性。
- An algorithm based on the Haar wavelet transform(HWT) was developed for blind estimates of pseudo-random code(PC) rates and symbol periods of direct sequence spread spectrum(DS/SS) signals in low signal to noise ratio environments. 为解决低信噪比下直扩信号的参数估计问题,提出了一种基于H aar小波变换实现直扩信号伪码(PC码)速率和符号周期盲估计的新型算法。
- The first component comprises image processing techniques, such as edge detection and 2-D Haar wavelet transform, for the feature extraction of pneumonic manifestations in CXR images. 其中一部分利用边界侦测及二维小波转换等技术以撷取肺炎胸部X光表徵。
- The generalized Haar wavelet, the generalized Shannon wavelet and the generalized Meyer wavelet, the generalized Daubechies wavelets are discussed emphatically. 最后讨论新子波系统的一个直接应用;
- Fast Reconstruction Method for Curve Based on Haar Wavelet Decomposition 基于Haar小波分解的快速曲线重构
- A Study of the Audio-information Compression Realized by Haar Wavelet Transform Haar小波变换实现音频信息压缩的研究
- Some Properties of Cosine Processes Containing Random Phase Under Haar Wavelet 含随机相位的余弦波过程在Haar小波下的性质
- Optical Haar Wavelet Filter Used for Photoelectric Hybrid Robot Vision System 用于光电混合机器人视觉系统的光学Haar小波滤波器
- Keywords medical image retrieval;Haar wavelet transform;texture analysis; 医学图像检索;哈尔小波变换;纹理分析;
- They give off discrete amounts of radiant energy. 它们放出不连续的辐射能量。
- He obtained discrete bands of colour materials. 他得到了各有色物质的判别谱带。
