best background subtraction method for colored image

2013 8 30
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3 次查看（30 天）

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I need the best background removal method so that i can separate the objects in an image most accurately by edge detection,dilation and by using built-in functions in an matlab.
input image is:
http://www.google.co.in/search?hl=en&tbm=isch&tbs=simg:CAQSYxphCxCo1NgEGgAMCxCwjKcIGjwKOggBEhSABP8DqgPdA4oHjgeVB4wHjQeQBxog6YUwMdikqVT0gsaCt_1f0oeuHisl_1i1H27Ip-z7eXt2kMCxCOrv4IGgoKCAgBEgSZoq0zDA&sa=X&ei=qYUgUu3TDsjirAfbz4GACg&ved=0CCQQwg4oAA&biw=1280&bih=845#facrc=_&imgrc=HNro7Wss2p5EhM%3A%3BaZbETb4FmDOK7M%3Bhttp%253A%252F%252Fstatic.zigwheels.com%252Fmedia%252Fwallpaper%252F2011%252FDec%252Fzwawardscoty_wallpapert_640x480.jpg%3Bhttp%253A%252F%252Fwww.zigwheels.com%252Fgallery%252Fwallpaper%252F2011-zw-car-bike-of-the-year-mahindra-xuv5oo-hero-impulse%252F10996%252F%3B640%3B512

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ravi
ravi 2013-8-30
yes that is the image to which i want to remove the background
ravi
ravi 2013-8-31
Walter Roberson or any one please help me in removing the background of the image i linked. I need only the bike and car in that image as a output after removing the background i tried it by using histogram thresholding method but it is not accurate.
Image Analyst
Image Analyst 2013-8-31
It's not an easy problem. It's not going to be a 10 line program, unless you do it manually with imfreehand(). Did you ever try any of the methods I referred you to below?
ravi
ravi 2013-8-31
I tried it but as i am new to this matlab i am unable to understand it so i asked again. Can you please tell me any process like histogram thresholding for removing the background
Image Analyst
Image Analyst 2013-8-31
I can't but the papers do, and do so in way more detail than I ever could. FAQ
ravi
ravi 2013-8-31
K thank you Image Analyst sir, i will try to go through your links. thank you so much and please go through this question please http://www.mathworks.in/matlabcentral/answers/86060-how-to-store-the-image-into-another-matrix thanks in advance.
Walter Roberson
Walter Roberson 2013-8-31
You asked for "the best" and "most accurate". There are 10^180000000 different possible background subtraction programs of length up to 1 gigabyte. I haven't finished testing them yet to determine which one is the best. I'll need a bit more time. I suggest you get back to me a bit later. Shouldn't be more than... ummm, how does next Universe sound?

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ravi
ravi
2013-8-30

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