Automatic Crop
in [Matlab]
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From: Alex Jin on 22 Mar 2010 08:51 I have a video(the video is seperated to many frames) and i need to select a part of the image automatically(cropping it). It should be done automatically. an example of the image is shown below http://www.postimage.org/image.php?v=TskFOOJ the part i want is in red. Please Help. Cheers
From: us on 22 Mar 2010 08:58 "Alex Jin" <limyijin(a)googlemail.com> wrote in message <ho7p3o$jl4$1(a)fred.mathworks.com>... > I have a video(the video is seperated to many frames) and i need to select a part of the image automatically(cropping it). It should be done automatically. > > an example of the image is shown below > http://www.postimage.org/image.php?v=TskFOOJ > > the part i want is in red. Please Help. Cheers a hint: - requires the img proc tbx help imcrop; us
From: Alex Jin on 22 Mar 2010 09:57 "us " <us(a)neurol.unizh.ch> wrote in message <ho7pgs$q26$1(a)fred.mathworks.com>... > "Alex Jin" <limyijin(a)googlemail.com> wrote in message <ho7p3o$jl4$1(a)fred.mathworks.com>... > > I have a video(the video is seperated to many frames) and i need to select a part of the image automatically(cropping it). It should be done automatically. > > > > an example of the image is shown below > > http://www.postimage.org/image.php?v=TskFOOJ > > > > the part i want is in red. Please Help. Cheers > > a hint: > - requires the img proc tbx > > help imcrop; > > us The position of the crop of each image will be different. The part i want to crop is lighter than the surrounding position. It automatically selects the part i want for different images.
From: Alex Jin on 22 Mar 2010 11:17 "Alex Jin" <limyijin(a)googlemail.com> wrote in message <ho7svf$1nm$1(a)fred.mathworks.com>... > "us " <us(a)neurol.unizh.ch> wrote in message <ho7pgs$q26$1(a)fred.mathworks.com>... > > "Alex Jin" <limyijin(a)googlemail.com> wrote in message <ho7p3o$jl4$1(a)fred.mathworks.com>... > > > I have a video(the video is seperated to many frames) and i need to select a part of the image automatically(cropping it). It should be done automatically. > > > > > > an example of the image is shown below > > > http://www.postimage.org/image.php?v=TskFOOJ > > > > > > the part i want is in red. Please Help. Cheers > > > > a hint: > > - requires the img proc tbx > > > > help imcrop; > > > > us > I thought of doing this: finding the rgb value of the image. lets say the part that should be selected has a rbg value of 5, meaning once rgb value > then 5 is detected, the place should be cropped. I am new to matlab. Please Advice.
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