3-B-Spline

SIFT (scale invariant feature transform)

一个萤火虫算法，很好用的。只需要换测试函数即可。不过请注意例如萤火虫个数的等参数的更换。(A firefly algorithm, easy to use. Merely need to replace the test function can be. Oh Oh Oh Oh)

Huffman、汉明编译码:首先对给定的信源序列进行概率统计，得出信源符号的概率 p，之后进行Huffman 编码，再进行信道汉明编码。(Huffman coding and decoding: firstly given source sequence probability and statistics, the probability derived source symbols p, after Huffman coding.)

RANSAC image processing

用MATLAB对声音进行处理，对声音信号的读取、混叠、回放，并且生成处理前和混叠后WAV格式的音频格式，(Using MATLAB for processing of sound, the sound signal read, aliasing, playback, and to generate pre-and post-aliasing WAV formatAudio format,)

VMD变分模态分解，vmd函数是通用的，vmd_test是1s专用的，所以只要改test文件，要设一个时间(VMD variable modal decomposition, vmd function is universal, vmd_test is dedicated to 1s, so just change the test file, set a time)

signal to noise ratio in different formats

音频信号降采样程序 支持48k->8k 24k->8k 8k->1k 的降采样.实现方法,先做低通滤波,再做采样点抽取.低通滤波起使用67点FIR,系数由matlab使用窗函数法生成 (Audio signal down-sampling procedures to support the 48k-)

说明：  用matlab编写的基于Haar小波变换的图像增强处理，同时可实现小波正变换，小波逆变换，实现小波分解与重构源代码。(Written by matlab Haar wavelet-based image enhancement processing, and can achieve positive wavelet transform, inverse wavelet transform, wavelet decomposition and reconstruction to achieve the source code.)

L-M神经网络在matlab开发环境中的实现实例，有利于初学者学习与掌握(L-M neural network in the matlab environment development to achieve the example, be helpful for beginners to learn and master)