MATLAB图像处理函数大全

Import, Export, and Conversion

Read and Write Image Data from Files

imread Read image from graphics file

从图形文件读取图像

imwrite Write image to graphics file写入图像到图形文件

imfinfo Information about graphics file

关于图形文件的信息

nitfinfo Read metadata from National Imagery Transmission Format (NITF) file从国家图像传输格式的元数据（NITF）文件nitfread Read image from NITF file从NITF文件读取图像

dpxinfo Read metadata from DPX file读取DPX文件元数据

dpxread Read DPX image读取DPX图像

analyze75info Read metadata from header file of Analyze 7.5 data set从分析7.5数据集的头文件读取元数据

analyze75read Read image data from image file of Analyze 7.5 data set从分析7.5数据集的图像文件中读取图像数据interfileinfo Read metadata from Interfile file从归档文件元数据

interfileread Read images in Interfile format在内部文件格式读取图像

Read and Write Image Data from DICOM Files

dicomanon Anonymize DICOM file匿名DICOM文件

dicomdict Get or set active DICOM data dictionary获取或设置活动DICOM数据字典

dicomdisp Display DICOM file structure显示DICOM文件结构

dicominfo Read metadata from DICOM message读取DICOM消息元数据

dicomlookup Find attribute in DICOM data dictionary发现在DICOM数据字典属性

dicomread Read DICOM image读取DICOM图像

dicomuid Generate DICOM unique identifier生成DICOM的唯一标识符

dicomwrite Write images as DICOM files写图像的DICOM文件

High Dynamic Range Images

hdrread Read high dynamic range (HDR) image读高动态范围（HDR）图像

hdrwrite Write Radiance high dynamic range (HDR) image file写下光辉的高动态范围（HDR）图像文件makehdr Create high dynamic range image创建高动态范围图像

tonemap Render high dynamic range image for viewing用于观看的高动态范围图像

Large Image Files

ImageAdapter Interface for image I/O图像I / O接口

isrset Check if file is R-Set检查文件是否存在与r-组

openrset Open R-Set file开放与r-组文件

rsetwrite Create reduced resolution data set from image file从图像文件创建减少的分辨率数据集

Image Type Conversion

gray2ind Convert grayscale or binary image to indexed image将灰度或二值图像转换为索引图像

ind2gray Convert indexed image to grayscale image将索引图像转换为灰度图像

mat2gray Convert matrix to grayscale image转换矩阵到灰度图像

rgb2gray Convert RGB image or colormap to grayscale将RGB图像的灰度或颜色表

ind2rgb Convert indexed image to RGB image索引图像的RGB图像转换

label2rgb Convert label matrix into RGB image转换成RGB图像标签矩阵

demosaic Convert Bayer pattern encoded image to truecolor image Bayer编码图像转换为彩色图像

imbinarize Binarize image by thresholding二值化图像的阈值分割

imquantize Quantize image using specified quantization levels and output values量化图像使用指定的量化电平和输出值multithresh Multilevel image thresholds using Otsu's method采用多级图像阈值Otsu方法

adaptthresh Adaptive image threshold using local first-order statistics采用局部一阶统计的自适应图像阈值otsuthresh Global histogram threshold using Otsu's method使用全局直方图阈值Otsu方法

im2bw Convert image to binary image, based on threshold基于阈值的图像转换成二值图像

graythresh Global image threshold using Otsu's method使用全局阈值Otsu方法

grayslice Convert grayscale image to indexed image using multilevel thresholding采用多层阈值化方法将灰度图像转换为索引图像im2double Convert image to double precision将图像转换为双精度

im2int16Convert image to 16-bit signed integers将图像转换为16位有符号整数

im2java2d Convert image to Java buffered image将图像转换成java缓冲图像

im2single Convert image to single precision将图像转换为单精度

im2uint16Convert image to 16-bit unsigned integers将图像转换为16位无符号整数

im2uint8Convert image to 8-bit unsigned integers将图像转换为8位无符号整数

Synthetic Images

checkerboard Create checkerboard image创建棋盘格图像

phantom Create head phantom image创建头部影像

imnoise Add noise to image添加噪声到图像

Display and Exploration

Basic Display

imshow Display image显示图像

montage Display multiple image frames as rectangular montage显示多个图像帧矩形蒙太奇

subimage Display multiple images in single figure在单个图形中显示多个图像

immovie Make movie from multiframe image从多帧图像的电影

implay Play movies, videos, or image sequences播放电影、视频或图像序列

warp Display image as texture-mapped surface显示图像作为纹理映射的表面

iptgetpref Get values of Image Processing Toolbox preferences获取图像处理工具箱的首选项

iptprefs Display Image Processing Toolbox Preferences dialog box显示图像处理工具箱首选项对话框

iptsetpref Set Image Processing Toolbox preferences or display valid values设置图像处理工具箱的首选项或显示有效值Interactive Exploration with the Image Viewer App

imtool Image Viewer app图像查看器应用程序

imageinfo Image Information tool图像信息的工具

imcontrast Adjust Contrast tool对比度调整工具

imdisplayrange Display Range tool显示范围的工具

imdistline Distance tool距离工具

impixelinfo Pixel Information tool像素信息的工具