beginner's question regarding plotting the start and end points of the lines detected

Question

Abinaya 2014-2-12

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/115798-beginner-s-question-regarding-plotting-the-start-and-end-points-of-the-lines-detected

回答： Iain 2014-2-12

% Plot beginnings and ends of lines
  plot(xy(1,1),xy(1,2),'.','LineWidth',2,'Color','yellow');
  start(k,1) = xy(1,1);
  start(k,2) = xy(1,2);
  plot(xy(2,1),xy(2,2),'.','LineWidth',2,'Color','red');
  end1(k,1) = xy(2,1);
  end1(k,2) = xy(2,2);
start 
end1

OUtput:

start= 11    80
 106
   0
   0
  81
   0
   0
  83
   0
   0
 142
   0
  78
  83
   0
   0
   0
  72
   0
   0
   0
   0
   0
   0
   0
   0
  66
  99
   0
   0
   0
   0
 131
   0
   2
 135
   0
   0
   0
   2
   2
   0
 207
 208
   0
   0
   0
 115
   0
   0
   0
   0
   0
  70
   0
   0
   0
   0
   0
   0
 103
  64
   0
   0
   0
   0
   0
   0
   0
 157
   0
  82
   0
  81
   0
   0
   0
   0
  64
  72
   0
   0
   0
 199
  68
   0
   0
 147
  87
   0
 157
   0
   0
 100
   0
  77
   0
   0
   0
   0
   0
   0
   0
   0
   0
   0
  13
   0
   0
   0
   0
 140
 150
   0
   0
 192
   0
 117
 169
   0
   0
   0
   0
   0
   0
 102
   0
   0
  17
   0
   0
 124
 146
   0
   0
   0
  16
  82
 131
   0
   0
   0
   0
 106