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we introduce the Color-based Catchment Basin Merging Algorithm, an area-based segmentation approach that is specifically designed to segment low-altitude aerial images, as a preprocessing step to 3D reconstruction. This approach extends the watershed-based Catchment Basin Merging Algorithm, which is purely geometric, by introducing color similarity as an additional criterion to decide on the merging of evolving regions. Experiments performed with real aerial images of varied nature demonstrate that this modification eliminates over-segmentation problems of the existing algorithm, allowing large-scale urban scenes to be segmented in an accurate, reliable and fully automatic way.

应用matlab GUI编程的俄罗斯方块！(Matlab GUI application programming Tetris!)

本程序基于“图像模式识别—VC++技术实现”写就，实现了线性和非线性手写数字识别。 程序主文件是homework.m 具体实现可以参考程序内注释。 (this is a matalb programme,in order to recognise the number writtern by yourself. it include homework.m,homework.fig,Getfeature.m,losstab.m,losstab.fig,samplelib.m,samplelib.fig,save_sample.m,save_sample.fig)

计算层合板刚度，和最先一层失效载荷！程序具有通用性，能够对任意工程弹性常数和几何尺寸的层合板进行刚度和强度分析！非常适合最为哈尔滨工业大学复合材料与工程专业的复合材料力学上机大作业(Laminate stiffness calculation, and the first layer of failure load! Program is versatile, capable of any engineering elastic constants and geometry of laminates for stiffness and strength analysis! Very suitable for most Harbin Institute of Technology composite materials and engineering mechanics of composite materials on the plane big job)

利用matlab的gui设计的带有输入和输出功能的界面图形，可视性很强，自己独立编写，原始数据和图形，学习非常值得(Uses the Matlab GUI design to have the input and output function the interface graph, the visibility is very strong, writes independently, the original data and the graph, the study is very worthwhile.)

matlab的s函数编程教程。来自企业的电子书(matlab s function programming tutorial. From the corporate e-book)

1.FFT.doc 2.用MATLAB进行FFT频谱分析 3.傅立叶变换与频谱分析.pdf 4.快速Fourier变换算法及Matlab程序实现.pdf 5. 利用MATLAB和窗函数法设计FIR数字滤波器.pdf 6. 用MATLAB辅助设计FIR数字滤波器.pdf(1.FFT.doc 2 MATLAB FFT spectrum analysis 3 FFT and spectrum analysis . Pdf 4 fast Fourier transform algorithm and Realization of Matlab program . Pdf 5 MATLAB and window function method using FIR digital filter design . Pdf 6 MATLAB aided design FIR digital filter . Pdf)

使用MAtlab演奏最炫民族风，真的可以听到音乐哦。(Use MAtlab played most unusual national wind can really hear the music, oh.)

关于数值天气预报的计算地转风的相关matlab程序码(Turn to calculate the wind)

混合高斯分布中基于最大期望算法的参数估计模型，适应于通信与信号处理以及统计学领域(Mixed Gaussian distribution algorithm based on the parameters of the greatest expectations of the estimated model, adapted to communications and signal processing, as well as the field of statistics)