zoukankan      html  css  js  c++  java
  • MATLAB中load和imread的读取方式区别

    load是导入文件,一般从mat文件中,读取的是结构体
    imread是图像处理工具箱的库函数,处理图像比较方便,读取的是矩阵

    1、之前将数组或者矩阵保存为一个mat格式的文件,在进行load命令读取时:
    s1=load('qiyipuzong.mat');

    得到的s1是struct类型的数据,而我想要的是一个矩阵或者数组。

    经过搜索查询,参考下面这个链接的内容

    http://baike.baidu.com/link?url=k4G5EtvGr_zj_MgN2jnjxLFTM9m8hC1nYwUbCAXB3_cVwKBcpcSKMu1PuRhVlgutxhDAW9K3ehAh4M1ahRM4cq

    ,将命令:

    s1=load('qiyipuzong.mat');

    改写为:

    s1=cell2mat(struct2cell(load('qiyipuzong.mat')));

    得到的s1即为矩阵。

    2、将普通图像读入变为结构体处理,编写函数load_images实现:

    function imgs = load_images(img_name, images_folder)
    %% load images
    if nargin < 2
    images_folder = '../images/';
    end
    target_images_folder = strcat(images_folder, 'target/');
    gsource_images_folder = strcat(images_folder, 'gray_source/');
    csource_images_folder = strcat(images_folder, 'color_source/');

    target_image_name = strcat(target_images_folder, img_name);
    gsource_image_name = strcat(gsource_images_folder, img_name);
    csource_image_name = strcat(csource_images_folder, img_name);
    target_image = im2double(imread(target_image_name));
    gsource_image = im2double(imread(gsource_image_name));
    csource_image = im2double(imread(csource_image_name));
    imgs.target_image = target_image;
    imgs.gsource_image = gsource_image;
    imgs.csource_image = csource_image;
    end

  • 相关阅读:
    初始FreeMake
    C#三层架构
    文件上传
    Jquery动画效果(混合)
    反射机制
    Java使用Sockt进行通信(2)
    Java使用Socket进行通信
    JavaScript基础
    Java的继承
    事物>视图>索引>备份和恢复
  • 原文地址:https://www.cnblogs.com/yucongcong/p/14308355.html
Copyright © 2011-2022 走看看