How to put a mark on an image
in [Matlab]
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From: Ongun Palaoglu on 3 Feb 2010 22:25 Hello guys, I found the middle point of an image, How can I put a mark on the image to show the middle point?
From: ImageAnalyst on 3 Feb 2010 22:44 On Feb 3, 10:30 pm, "Ongun Palaoglu" <on...(a)mac.com> wrote: > Hello I found the middle point of an object in the picture. Now i want to show that point on my image, How can I do that? How about the plot command plot(x,y,'+');
From: Ongun Palaoglu on 3 Feb 2010 22:53 ImageAnalyst <imageanalyst(a)mailinator.com> wrote in message <2a571b7c-33e3-4035-982d-35c98c380c1c(a)h12g2000vbd.googlegroups.com>... > On Feb 3, 10:30 pm, "Ongun Palaoglu" <on...(a)mac.com> wrote: > > Hello I found the middle point of an object in the picture. Now i want to show that point on my image, How can I do that? > > How about the plot command > plot(x,y,'+'); does it put it to image ? imagesc('mypicture.png') plot(x,y,'+');?
From: Parker on 4 Feb 2010 03:48 This one should be OK. > imagesc('mypicture.png'); > hold on; > plot(x,y,'+'); On Feb 4, 3:53 am, "Ongun Palaoglu" <on...(a)mac.com> wrote: > ImageAnalyst <imageanal...(a)mailinator.com> wrote in message <2a571b7c-33e3-4035-982d-35c98c380...(a)h12g2000vbd.googlegroups.com>... > > On Feb 3, 10:30 pm, "Ongun Palaoglu" <on...(a)mac.com> wrote: > > > Hello I found the middle point of an object in the picture. Now i want to show that point on my image, How can I do that? > > > How about the plot command > > plot(x,y,'+'); > > does it put it to image ? > > imagesc('mypicture.png') > plot(x,y,'+');?
From: ImageAnalyst on 4 Feb 2010 06:15
On Feb 3, 10:53 pm, "Ongun Palaoglu" <on...(a)mac.com> wrote: > ImageAnalyst <imageanal...(a)mailinator.com> wrote in message <2a571b7c-33e3-4035-982d-35c98c380...(a)h12g2000vbd.googlegroups.com>... > > On Feb 3, 10:30 pm, "Ongun Palaoglu" <on...(a)mac.com> wrote: > > > Hello I found the middle point of an object in the picture. Now i want to show that point on my image, How can I do that? > > > How about the plot command > > plot(x,y,'+'); > > does it put it to image ? > > imagesc('mypicture.png') > plot(x,y,'+');? -------------------------------------------------------------------------- No, the plot() command puts graphics into the graphical overlay, basically sitting atop the image. If you want it actually in the image then you have to actually assign the elements of the image array. |