搜索资源列表
3dplane
- 利用矩特征可以从二维图像识别三维目标,4阶矩的图像峰值反映了目标的形状,为了使它具有平移、比例和旋转不变性,作者对其进行了归一化处理。-use Moments from the three-dimensional two-dimensional image recognition, four bands peak moments of images reflect the shape of the target, In order to give it scale, translation an
codefile
- 对图像进行二维离散小波变换, 变换级数大于等于3级, 并进行重构, 最后计算重构图像的峰值信噪比(PSNR).-images of two-dimensional discrete wavelet transform, transform Series is greater than or equal to 3, and reconstruction, Image Reconstruction final calculation of the peak signal-to-noise rati
DWThundunjiami
- 文中提出了一种基于离散小波变换和混沌加密的数字水印新算法,采用二维混沌变换对水印图像加密 对载体图像进行多分辨离散小波变换,应用小波系数判断载体图像的纹理复杂程度后,依据人眼的视觉系统(HVS)特性,将水印信号嵌入到图像的低频部分,对图像的不 同分解层分别选取不同的纹理阈值和水印嵌入强度,将数字水印嵌入到相同分辨层的原始图像中,提高了水印算法的鲁棒性。在检测和提取水印时,通过水印相似度(NC)和峰值信噪比( PNSR)评价水印质量,实验结果表明提出的算法可以抵抗剪裁、JPEG压缩、滤波等几何
image quality assessment
- 可用于计算二维图像的均方误差、峰值信噪比以及信息熵
SAR点目标扩展及分析
- point_analysis.m 主程序 P_fft.m 计算fft插值扩展点目标 rel.m 计算分辨率 PSLR.m 峰值旁瓣比 ISLR.m 积分旁瓣比 sinc2.m 二维sinc函数 kaiser2.m 二维kaiser窗函数
MyDwt2D
- 对图像进行二维离散小波变换, 变换级数大于等于3级,然后统计系数中0的个数（百分比表示），并进行重构, 最后计算重构图像的峰值信噪比(PSNR). 里面还附上了我写的实验报告，对大家理解Mallat算法和图像压缩很有帮助-Image two-dimensional discrete wavelet transform, transform series greater than or equal to 3, and then statistics of the number of c
frft
- 有两个程序一个是关于frft的源程序，一个是应用frft对线性调频信号进行检测的程序，原理是以变换阶数（不同的分数阶域）为变量对观测信号进行分数阶变换，形成信号能量在时频平面上的二维分布，在此平面上按阈值进行峰值点的二维搜索即可检测线性调频信号并估计其参数。-There are two procedures one on frft the source, one application frft linear FM signal detection process, the principle
kstest_2s_2d
- kstest_2s_2d.m：功能做两样本的二维Kolmogorov - Smirnov检验 它类似于MATLAB的内置函数的“kstest2“从统计工具箱除了“kstest_2s_2d“与二维数据处理。 [小时，pValue，KSstatistic] = kstest_2s_2d（为x1，x2，α，尾） 函数在两栏输入“ד，并以“ד，其中每一列代表一个维度。其他的选项和产出是相同的含义，是“kstest2“格式。 摘要算法（峰值，1983年）：考虑
tuxiang_erweibianhua
- 对图像进行二维离散小波变换, 变换级数大于等于3级, 并进行重构, 最后计算重构图像的峰值信噪比(PSNR) matlab-Image two-dimensional discrete wavelet transform, transform levels greater than or equal to 3, and reconstruction, the final calculation of the reconstructed image of the peak signal to no
DWT2D
- 对图像进行二维离散小波变换, 变换级数大于等于3级,然后进行阈值化处理(阈值约为10左右),再统计系数中0的个数（百分比表示）并进行重构, 最后计算重构图像的峰值信噪比(PSNR). -Two-dimensional discrete wavelet transform image transformed series is greater than or equal to 3, and then processing thresholding (threshold of about 10 or
testone
- 二维离散小波变换(Mallat快速算法)对图像进行二维离散小波变换, 变换级数大于等于3级,然后进行阈值化处理(阈值约为10左右),再统计系数中0的个数（百分比表示）并进行重构, 最后计算重构图像的峰值信噪比(PSNR). 数据：灰度图像lena.bmp或其它图像, 滤波器系数可以调用matlab中的wfilters函数获得, wfilters函数的使用请在matlab中help wfilters.-Two-dimensional discrete wavelet transform (Ma
fengzhusousuo
- 分数阶傅里叶变换的二维峰值搜索，针对线性调频信号的峰值能进行很好估计-D peak search Fractional Fourier transform for the peak chirp signal can be well estimated
jangkan_v38
- 用平面波展开法计算二维声子晶体带隙,是本科毕设的题目，包括压缩比、运行时间和计算复原图像的峰值信噪比。- Computation Method D phononic bandgap plane wave, The title of the commercial is undergraduate course you Including compression ratio, image restoration computing uptime and peak signal to noise ra
hiegie
- 基于matlab GUI界面设计,包括压缩比、运行时间和计算复原图像的峰值信噪比,用平面波展开法计算二维声子晶体带隙。- Based on matlab GUI interface design, Including compression ratio, image restoration computing uptime and peak signal to noise ratio, Computation Method D phononic bandgap plane wave.
qaonui_v46
- 脉冲响应的相关分析算法并检验，二维声子晶体FDTD方法计算禁带宽度的例子,包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- Related impulse response analysis algorithm and inspection, Dimensional phononic crystals FDTD method calculation examples band gap, Including the final calculation of the compressed ima
baileng_v65
- 包括压缩比、运行时间和计算复原图像的峰值信噪比,旋转机械二维全息谱计算，计算多重分形非趋势波动分析。- Including compression ratio, image restoration computing uptime
muiqiu
- 合成孔径雷达（SAR)目标成像仿真，用平面波展开法计算二维声子晶体带隙,包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- Synthetic Aperture Radar (SAR) imaging simulation target, Computation Method D phononic bandgap plane wave, Including the final calculation of the compressed image peak signal to noise ra
lfm
- 线性调频信号频谱估计，与线性调频信号相关MATLAB程序相关，采用二维峰值搜索方法。(Linear frequency modulation signal frequency estimation, and linear frequency modulation signal related MATLAB program, using two-dimensional peak search method.)
frftpeakgui
- 基于FrFT的时变幅度LFM信号参数估计，采用二维峰值搜索算法，后用一维曲线拟合，大大减少了计算量。(The parameter estimation of LFM signal based on FrFT is based on two dimensional peak search algorithm and one dimension curve fitting, which greatly reduces the computation.)
L阵和线阵下二维DOA估计算法
- 基于MIMO雷达的MUSIC算法，寻找峰值对应目标角度(MUSIC algorithm based on MIMO radar to find the target angle corresponding to the peak value)