What is the error at this demo program..?

Question

Nimisha 2014-12-16

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/166819-what-is-the-error-at-this-demo-program

评论： Sean de Wolski 2014-12-16

 clc;    
close all;
imtool close all;  
clear;  
workspace; 
format long g;
format compact;
fontSize = 20;
folder = 'C:\Users\admin\Desktop\matlab10questions';
baseFileName = 'Coins.jpg';
fullFileName = fullfile(folder, baseFileName);
grayImage = imread(fullFileName);
[rows, columns, numberOfColorBands] = size(grayImage);
if numberOfColorBands > 1
  grayImage = grayImage(:, :, 2); % Take green channel.
end
[pixelCount, grayLevels] = imhist(grayImage);
binaryImage = grayImage < 240;
binaryImage = bwconvhull(binaryImage, 'objects', 4);
imshow(binaryImage);
binaryImage = bwareaopen(binaryImage, 2000);
[LabeledImage, numberOfCoins]=bwlabel(binaryImage);
measurements = regionprops(LabeledImage,'Area','Centroid');
allAreas = [measurements.Area];
total1=0;
total2=0;
total3=0;
total4=0;
hold on
for n=1:size(measurements,1);
  centroid = measurements(n).Centroid;
  X=centroid(1);
  Y=centroid(2);
  if measurements(n).Area < 40000;
    text(X-10,Y,'$0.1')
    total1=total1+1;
    elseif 41000 < measurements(n).Area < 50000
      total2=total2+2;
    text(X-10,Y,'$0.25')
    elseif 65000 < measurements(n).Area < 75000
        total3=total3+3;
    text(X-10,Y,'$1')
   elseif 91000 < measurements(n).Area < 99000
        total4=total4+3;
    text(X-10,Y,'$0.5')
    else 
          end
end
number = n
total1 = total1;
total2 = total2;
total3 = total3;
total4 = total4;
hold on
title(['Pennies: $',num2str(total1),'  ','Nickels: $',num2str(total2),' ','Dimes: $',num2str(total3),' ','Quaters: $',num2str(total4), 'Number of coins:',num2str(n)],...
  'FontSize', fontSize)