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matlab source code for editing images

This is a case where a array is introduced with noise

在matlab下实现sift描述符，并有测试程序(sift descriptor using matlab，and test procedures are provided)

用Matlab进行弹道解算的主程序。适合初学者使用。(Trajectory Calculation using Matlab main program. Suitable for beginners to use.)

说明：  一个一维FDTD方法程序，并完成脉冲波对介质片的反射和透射系数的计算，采用MATLAB仿真(A one-dimensional FDTD methods and procedures, and complete the pulse of the dielectric film of reflection and transmission coefficients of the calculation, using MATLAB simulation)

PdfParse 用于从PDF文件中抽取文本数据的示例，支持unicode字符集编码、8进制和16进制编码。(PdfParse used to extract text from a PDF file example of data, unicode character set encoding, octal and hexadecimal encoding.)

BP神经网络实现图像压缩 非常好的源代码程序，对学习BP算法用MATLAB很有用的。(Very good source code program, MATLAB BP algorithm is very useful in study.)

This project provides matlab class for implementation of convolutional neural networks. This networks was developed by Yann LeCun and have sucessfully used in many practical applications, such as handwritten digits recognition, face detection, robot navigation and others (see references for more info). Because of some architectural features of convolutional networks, such as weight sharing it is imposible to implement it using Matlab Neural Network Toolbox without it s source modifications.

log operator for edge detection

此程序是在MATLAB下进行图像的重构，先创建图像，然后计算投影，最后重构图像。(This procedure is carried out in MATLAB reconstructed image, to create an image, and then calculating the projection, the final reconstructed image.)