025.beltrami_filter

利用蝶形算法类似于FFT，利用先行再列实现二维DCT。速度很快。包含反DCT的代码。(similar to the use of butterfly FFT algorithm, the first re-use of 2D DCT out. Very fast. Contain anti- DCT code.)

文件为图形的显示函数，如单个像素的显示，直线的显示，字符的显示(File for the graphic display function, such as a single-pixel display, a straight line display, character display)

针对最低有效位 LSB方法保密性较差的问题, 本文提出了一种复合Henon混沌序列和LSB的图像加密解密算法(For the least significant bit LSB method less confidentiality issues, this paper proposes a complex Henon chaotic sequence and the LSB of the image encryption and decryption algorithm)

可以实现对交通视频中运动车辆的检测和目标的提取，只需要稍作修改即可使用(You can achieve the target detection and extraction of moving vehicles in traffic video, you only need minor modifications to use)

一种基于otsu的二维灰度图像分割算法，包括注释和源代码，适合初学者使用。(A two-dimensional gray image segmentation algorithm based on Otsu, including annotation and source code, which is suitable for beginners.)

卡尔曼滤波是一种高效率的递归滤波器(自回归滤波器), 它能够从一系列的不完全及包含噪声的测量中，估计动态系统的状态。(Calman filtering is an efficient recursive filter (autoregressive filter). It can estimate the state of dynamic system from a series of incomplete and noisy measurements.)

说明：  基于脉冲耦合神经网络的图像分割，脉冲耦合神经网络是近年研究的热点。(Based on Pulse Coupled Neural Network for Image Segmentation, pulse coupled neural network is the research hotspot in recent years.)

本ACIS几何造型平台组件提供基本的拓扑构造，线框构造和编辑，性质分析（面积长度和质量等）等功能。(the ACIS geometric modeling platform components provide basic topological structure, wireframe construction and editing, Analysis (area of length and quality, etc.) and other functions.)

道路提取，设置初始的点，输入图像，snake 模型(Road extraction, set the initial point, input image, snake model)

人体脑图像分割技术研究a. 对原始的二维医学图像进行滤波，封装成三维体数据。 b. 采用合适的多阈值分割方法得到合适的双阈值，对三维体数据进行二值处理，得到分割出的三维人脑图像。 c. 对得到的三维人脑二值图像进行数学形态学操作，并利用种子填充进行区域修整，得到较好的三维人脑分割结果，并给以三维显示。 (err)