Question on how to blur an image

I can't remember how to take a picture and use a tool (such as the eliptical tool) - make a circle around my image and then blur the edges of the image with a transparent background. Can someone please help me....thanks.

It's here:
<br />
<br />
<a href="http://www.pixentral.com/show.php?picture=1U8AbJidjQ0Weddpu4wqiVuammLRn0" /></a>
<img alt="Picture hosted by Pixentral" src="http://www.pixentral.com/hosted/1U8AbJidjQ0Weddpu4wqiVuammLRn0_thumb.jpg" border="0" />
<br />
<br />Rob

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How to blur an image?

Could someone please provide an example of the easiest way to blur an image. I have googled for it but I haven´t find any examples that made me more clear over how it works.
What classes do I need, except the Image class?
Thanks in advance!
EDIT: I have found this method:
public void blur() {
    float data[] = { 0.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
        0.0f, 0.0f, 0.0f };
    Kernel kernel = new Kernel(3, 3, data);
    ConvolveOp convolve = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP,
        null);
    convolve.filter(biSrc, biDest);
    bi = biDest;
}I have tested changing the data[] array values and the image is getting blurred. But what kind of values are these 9 elements?

If you change the data[] array to something like this
float[] data = {1/9f,1/9f,1/9f,
                1/9f,1/9f,1/9f,
                1/9f,1/9f,1/9f}; then you would have stumbled upon one of the easiest ways to blur an image. A convolution just basically takes the above array and "places" it on the image. In the above case I have a 3x3 "window" that is moved across the image. At every point the pixels are multiplied with the corresponding value in the window and then added together. The sum becomes the new value for the center pixel.
So in the above case, I'm taking 1/9 of every pixel, summing them, and making the sum the center pixel. For a colored image this is done on all three channels (red, green, blue). The resulting image then has the property that every pixel has a little bit of its neighbors' colors. This achieves a blurring effect. Of course, there are more accurate (and still fast) ways to go about blurring, but a box-convolution where each array element is +1/size+ is probably the easiest.
Now as far as convolutions go, you can manipulate the values in the window or the dimensions of window to achieve various effects (median filter, primitive edge detection, sharpening, embossing, ect..). In fact, convolutions are so important to image processing that most computers have built in hardware to speed up the calculations. The ConvolveOp in core java tries to utilize this acceleration, but has certain annoying limitations.
[Here's a good source on blurring|http://www.jhlabs.com/ip/blurring.html]

Urgent question..how to display 2D image/text on Canvas(Java3D)?

I am developing a first-person action game and want to add a box which show the value(eg,what weapon you are carrying,any value) on the canvas like CS,but I dont know how to set it up.I want to know how to create it?

Hey,
I'm new to java3d, but I'm pretty sure that you can draw 2D strings/images on top of a Canvas3D. Just make a custom Canvas3D class, then in that class implement postRender(), and in there you can do all your 2D displaying.
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super(gcIn);
public void postRender()
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catch (InterruptedException e)
e.printStackTrace(System.out);
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How to blur an image in my video?

Hello,
I would like to blur someone's face in a video clip and I'm not sure the steps to do this. Could someone lead me in the right direction?
Thanks,
Jordan Simkins

http://proapptips.com/tips/article.php?story=20050312040230626&query=BLURRING

How do I remove images from aperture?

Totally new to apple and aperture so I apologise if this seems like a somewhat noob question but how do I remove images from aperture (using the latest version, 3.4.1)? Coming from a PC and using lightroom I'm used to being able to remove images in two ways:
- removing the image from the "library", so that it no longer shows up in the program at all but is still on your hard drive (when I say removing it from the program entirely, I mean entirely, i.e. not sitting in a trash can or some other place where it's still taking up memory)
- deleting the original image off the hard drive
Is it possible to do either of these things in aperture, on both just a single image or a selection of multiple images, and if so how? I've tried googling this already and am getting a bunch of mixed solutions, none of which have really worked so far, so any answers would be appreciated. Thanks!

The answer partially depends on whether you have a managed or referenced library. Since you're totally new to Aperture, I'm assuming you have a managed library since that's the default.
FYI: Managed means Aperture handles image files and places them inside the library file. Referenced means you manage the image files and Aperture only points to (references) them.
For a managed library, select an image you want to delete. Type command-delete. (That's the reverse delete key next to the "=" key). (You can also right-click an image and choose Delete Version) That will remove the images from their Project and place in the Aperture Trash. They're still taking up space in the Trash. If you really want them gone for good, right-click the Trash in the library pane and select Empty Trash. Poof.
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How to disable message images in Mail app for all but contacts?

I use the Mail app for OS X Mavericks and have been inundated with spam lately. I understand that spam email campaigns can confirm that you have opened their mail (and subsequently continue to send you mail) by image tracking so I would like to disable images from showing for all except my contacts. I don't recall if it was with Mail or another email client I previously used, but I vaguely remember message images not showing by default and requiring you to click a button at the top of the message in order to show the images within it. If possible, I would like to be able to do this for non-contacts.
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Personally, I've never heard of spammers tracking by a contact's image. I think you might be confusing this with the images in the message.
Spammers can do two things to track you.
1) Send an email with a read receipt. Mail doesn't support read receipts
2) Send an email with an embedded image (sometimes called a bug or beacon). When the email is opened, the email software loads the image from the remote server by sending it an HTTP request.
If a message matches the junk mail criteria, then a bar will appear near the top of the message. External images in the message will automatically be disabled, so that spam authors won’t be able to track if you’ve opened the message. To load the images, click the “Load Images” button in the bar, or to mark the message as not junk, select “Not Junk.”
Mail > Preferences > Viewing >Uncheck Display remote images in HTML messages.
Enable Junk filtering in Mail Preferences. Check "sender in in contacts, sender in in previous recipients**, message is addressed using full name.
Use SpamSieve, third party product to filter spam, http://c-command.com/spamsieve/
Keep contacts in your Address Book.
Mark messages as junk to help train the junk filter.
Don't open a message you think is spam. You should be able to see enough of a message in the preview to know if it's spam.
** Open Previous Recipients under Window in the Menu bar. Remove any addresses from spammers.

How do you add images?

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This is crucial because I do not want to see my crazy, abusive ex-wife every time I select a different user...even if it is a blurred image.
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or maybe not:
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This seems to work.
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Truly dumb question. How do I get PS to actually complete a command, eg straighten an horizon, and finalise the change. Even doing a "save as" with a new file name and reloading brings the image back, straightened, but with the skewed back ground frame st

Truly dumb question. How do I get PS to actually complete a command, eg straighten an horizon, and finalise the change. Even doing a "save as" with a new file name and reloading brings the image back, straightened, but with the skewed back ground frame still there. Is there a "apply change" or similiar command that I simply cannot see.

brings the image back, straightened, but with the skewed back ground frame
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How can I blur a image with two variables : degree and radius?

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a lot of thanks !

What are the values of these variables supposed to represent?

How to blur (non-moving) objects in video

Hi - I've been trying for 2 hours to just blur something out of a video to no avail, using rectangle mask, then 'gaussient' filter. All I see on the screen, even after increasing the "amount" of blur to maximum setting, is a red rectangle. The blur effect is barely noticeable. I can't see what I'm doing wrong? Additional questions:
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karrifromab wrote:
Hi - I've been trying for 2 hours to just blur something out of a video to no avail, using rectangle mask, then 'gaussient' filter. All I see on the screen, even after increasing the "amount" of blur to maximum setting, is a red rectangle. The blur effect is barely noticeable. I can't see what I'm doing wrong?
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*Be sure to add the filter to the footage and not the mask, otherwise you'll be blurring the shape mask (making it appear feathered, instead of blurring the footage).
Your Layers List should look like this:
     Group
          Footage copy
               Rectangle mask
               Gaussian Blur
          Footage
Not this:
     Group
          Footage copy
               Rectangle mask
                    Gaussian Blur
          Footage
Additional questions:
1) How do I get the layer to "stick?" Just save or export the project as an mp4?
2) How do set the start and stop of the filter? (I can change the start with the 'handle bars' on the purple bar, but not the end).
1) I'm not sure I follow what you're looking for here. Saving the project will allow you to open it in the future to modify or export it again. Once your project is finished, you can export it as a movie or image sequence or directly to a web service. It all depends on your delivery needs.
2) You've got it right, just like how you change the start, you can do that with the end.
It sounds like either you don't have your entire project visible so you're not seeing the end of the filter. Try zooming out of the Timeline. (lower right corner is a slider, or click the Timeline area and hit shift+z).
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Question on how to blur an image

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