connected component and labeling

hi, i want to know how to connect the pixels of RGB images that I want and ignored the background / rest of the image? Pls advice what function can be used?

Answer 1

[Image Analyst]

Use bwlabel or bwconncomp. See my BlobsDemo: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862

EDITED/corrected link above.

[Tulips]

sir, I've run this code but i faced with this error...

Error in ==> splitstring at 30

ind = find( isspace( str ) );

Even, i'm not familiar with the function of coding.cud u explain me

whats the meaning of this code..?

delim = '';

AllowEmptyEntries = false;

if numel(varargin) == 2

delim = varargin{1};

AllowEmptyEntries = varargin{2};

elseif numel(varargin) == 1

if islogical(varargin{1})

AllowEmptyEntries = varargin{1};

else

delim = varargin{1};

end

end

[Image Analyst]

Sorry, Rose, somehow I pasted in the wrong link (one for splitstring which is a replacement for John D'Errico's allwords, which he took down). See the correct link in the edited answer above.

[Tulips]

sir, can u give code that easy for me to understand..i have gone thru the link that u give as above, unfortunately i've failed to understand the code..I have a suggestion..---

cud matlab provide a web/link that is useful to learn /understand deeply abt image processing instead of using help/doc?it will helps a beginner like me that are not familiar with the function of matlab

[Image Analyst]

There are numerous ways to learn. You can watch Doug Hull's video tutorials on the web site, you can go over the demos and examples in the help, you can read the blogs, particularly Steve on Image Processing (http://blogs.mathworks.com/steve/), buy and read Steve's book, or you can attend instructor-led classes in person. For you, I'd recommend the instructor led classes.

Now, for my BlobsDemo, exactly which line(s) is/are confusing to you? I thought they were all very well explained through the comments, but maybe not.

[Tulips]

instead of steve blog can u give another/useful link that focusing on image using matlab? I need to learn from many experts? btw, thanks for the link.truly appreciate it!

[Image Analyst]

I gave the methods I thought would be most productive. I think you can find all the major learning methods on the Mathworks web site: http://www.mathworks.com/services/training/. If examples/demos, videos, books, blogs, documentation, and instructor-led training are all not conducive to your way of learning then perhaps you can tell us what way you learn best. Maybe there's a way of learning I forgot to list.