2015年4月26日 星期日

[MATLAB] Hough Transform- line detection official tutorial

1. Official Tutorial
http://www.mathworks.com/help/images/hough-transform.html

2. CSDN
http://blog.csdn.net/xsjwangyb/article/details/10917945

2015年4月24日 星期五

[MATLAB] Convolution

This article explain clearly about convolution in discrete mathematics

and the matlab code.

You can have a check on this

2015年4月18日 星期六

[MATLAB]Generating Colour Image Using Matlab

http://stackoverflow.com/questions/19213354/generating-colour-image-using-matlab

2015年4月15日 星期三

[MATLAB] Combine 2 images into 1 image

http://stackoverflow.com/questions/4037779/how-to-combine-two-images-on-one-window-matlab

[MATLAB] 2014b making image sequences into avi movie file

clear all; % Clear all parameters
clc;
close all;  % Close all figures

%%

finf = dir(' file path\*.tif');   % *.tif => choose all tif file
n = length(finf);
data = cell(n,1);
len = zeros(n,1);

for k=1:n
    filename = [finf(k).name];
    data{k} = imread(filename);
    %F(k) = im2frame(data{k});
end

%%
%Making movie
writerObj  = VideoWriter('movie file path file_name.avi');
writerObj.FrameRate = 20;
open(writerObj);  %open movie file

for k=1:n
    img = rgb2gray(data{k});
    % Otsu's method
 
    level = graythresh(img);
    otsu = im2bw(img,level);
    otsu = im2uint8(otsu);

    new_img = [img otsu];  

    imshow(in_new_img);
    title('Otsu method');                      
 
    % binary to 8-bit integer
    mov = im2uint8(in_new_img);
 
    Mov = im2frame(mov); 
    writeVideo(writerObj,Mov);    
end

%%
% save as AVI file
close(writerObj);  %file name 


----------------------------------------
Official document for VideoWriter

/* 載入prettify的autoloader */ /* 載入JQuery */