Gaussian blur causes clip to displace

All of a sudden aplying a Gaussian blur effect displaces certain clips - it just moves the clip to top left by about 1/4... Looks like it affects certain clips, that are not the same size as the projcet, but I'm not sure.
The thing is that it worked before well, so I don't know what happened...
I'm on Mac OS 10.5.8, Premiere CS4

Hi Ann
wow - the Update solved it! haha - I wasnt' using Premiere for a while, and probably reinstalled it in one of those system renewal days and forgot to update
Thanks

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Gaussian Blur effect causing black frames when rendered.

I am only using one effect in my video, its the gaussian blur, and in the previewer it shows the effect being applied, however it shows random black frames in the previewer, I thought this was just a random previewer issue.
I then rendered the video but when the blur effect is being applied it is showing random black frames in the video.

Talked to customer support and found out that it was a duplicate Gaussian Blur effect on the same frame causing it to have some issues sigh*
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Gaussian blur and Colour Adjust Hue/Saturation cause freeze-up

After using PS Elements 9 for a year, it has started to give me problems, and I can't find a fix for it online. Choosing Gaussian Blur, or Color - Adjust Hue/Saturation causes PSE 9 to freeze up and stop responding. This just started today, and I'm baffled. Some of the other filters have stopped working, but they don't cause a freeze-up. I've done a disk clean and defrag, but I haven't done anything different to my computer in a long time. I can try to uninstall/reinstall, but I'd rather not if there's a simpler solution. I'm on a Toshiba Satelite Notebook, i5 processor, 64-Bit OS Windows Home Premium. I'd appreciate any insight into this issue.

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CS6 Clipped Gaussian Blurs

Object above is just a typical path.
Below is a copy with a 51px Gaussian Blur applied. (using 300DPI Raster Effects Settings)
Any prevention methods? This looks like crap.

Go Effect>Document Raster Effects Settings and change the add 366pt around object to add 128 pts around object.
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Bizarre Gaussian Blur Bug - FCP7

Hello everyone,
Have an interesting pickle. I'm working as media manager on a production involving multiple editors. When clients are ready to review, they post their ready sequences into a project and send them to me to encode and upload.
However, whenever one particular episode is sent to me, there seem to be gaussian blur filters applied to random clips. Tried to see some sort of pattern in where the blurs are automatically applied, but there's none that I can see.
Each of the affected clips are, allegedly, "clean" when sent to me, but when opened each of these random clips will have three identical gaussian blur filters on them, each blur level set to 2.
This also happens when I open the projects on other systems in the office.
We are all on Final Cut Pro 7.
I suspect poltergeists, but I figured I'd pick your brains and see if you all have any ideas.
Thanks!
Brian

I'm getting sequences in a Final Cut Pro project file. We used to rock XMLs, but we opted to just have the editors copy and paste "ready to cook" sequences into a project and then I snatch it from them. As for the clip names, they are well-named (essentially the film roll then clip number, e.g. NYC082510_001) so we don't have any redundancies as far as clip names go.
As far as if the editors like me... all signs point to yes. I don't think any of them have any sort of vendetta against me. Then again, sneaky clandestine gaussian blurs would be a pretty editor-like way of causing mischief and mayhem.
Message was edited by: BrianV1983

Doc Raster Effects on gaussian blur

CS5, Mac 10.8.4.
We inherited a design at doc raster effects of 72 dpi, using a light blue PMS 291 arch shape that was gaussian blurred to make a soft arched gradient.
Changed doc raster effects to 300 dpi, and the gradient turned into a solid of PMS 291. I edited the 90 gaussian blur amount to 21.6 = (90 * 72)/300. That did not look right as the gradient was not soft but hard. Kept tweaking the gradient to find that it looked best at 59, when we went to 60 pixels then the gradient jumped to a solid lt blue with no gradient. Printed the 59 gaussian blue, and it looked like this coming out of our DC 240 color xerox laser printer (photoshopped to simulate, basically the gradient ends with a hard wave.)
So I said enough of this, I do not like the gaussian blur and wish Illustrator did not even have that as and option cause for final work causes to much trouble. Rebuilt this as a 3 step blend in PMS 291. Looked great on screen, but also printed like the second screen shot. Anyone have any idea what I can do. I am totally fine with getting rid of the gaussian blur, as we will be having many more new packaging coming in different sizes that will need this arched gradient.
Here are my doc raster effect settings. Would like to know more about anti alias and the create clipping mask option. My question though is how to get rid of gradient ending hard.

Seems the best I can do is to rebuild this gradient in Photoshop as a spot channel, so that I get a soft ending.
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Creating a symbol from shape with gaussian blur = problem

I am trying to create artwork to map to a globe using the 3D revolve effect...the problem is the shape/layer I'm using to create the "glow" effect (compound path filled with white and a gaussian blur applied):
When I create a symbol out of this, here is the problem (note the "excess" areas on the top and right):
...resulting in this messed up globe...
Doing an outer glow effect instead of gaussian blur results in the same thing (its definitely the blur causing this, deleting the shape fixes the problem). Expanding the shape with the blur results in an image the same size as the bounding box in image 2 above. Any ideas how to address this?
thx

Yep, that did it! (something strange going on now with the longitude/latitude lines going thru India, but I'll work on that later)...Thank you!

What's differences gaussian blur in Photoshop and Premiere?

I would like to ask about the gaussian blur of Photoshop and Premiere.
Normally, in Photoshop it says pixels in radius, but in Premiere it says only blurriness. Does anybody knows the differences of these two? I used Premiere to apply gaussian filter for our clips, but I want to know the value with pixels in radius.
Thanks in advance!

I'm not sure. But you could probably match it up pretty quickly.
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Then blur the original with Gaussian Blur and change the radius until it matches Premiere's result (image goes black because the 2 layers are the same).
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Gaussian Blur Problem

Hi there
I am having trouble getting the gaussian blur to work properly.
I have an image that is split up into layers using photoshop and I am trying to blur one of the layers. The only problem is that I am getting a white halo round the image as it blurs. My image is a colour image with black lines round it. It is as if the colour is seeping out underneath the black lines as it blurs, even though it's all on the same layer.
The blur does exactly what I want in photoshop, but in Final Cut I have this annoying problem. I can't do the blur ahead of time as I need to animate the blur.
I can't even begin to tell you how amazingly urgent this problem is.
Cheers
Morph

OK. I see the problem you have with white bleeding in.
Here's a different approach:
Click the film frame icon with the A on it at the bottom right of your Viewer.
Choose Matte > Color. Go to the Controls tab and set the color you want.
Press F9 to insert edit or drag to the Canvas.
Open the Effects tab in the Viewer. Video Generators > Shapes > Circle. Press F12 to superimpose on V2 in your Timeline.
Go to the film frame icon again and choose Slug. Switch the source/destination patch button to V2
Press F12 to superimpose on V3. Right click the Slug clip on your Timeline. Go to Composite mode > Travel Matte Luma.
Click the Shape clip to send it to the Viewer. Use the Softness contols to keyframe your blur effect .
My result using the above method:
This took about 30 seconds to set up.

Gaussian blur brush?

Is it possible to select the brush tool and have it work as a gaussian blur brush?
I'd like to be able to brush in the blur if possible to small areas rather than use the lasso tool method.
THANKS

CMD J - to float a copy of your layer
Gaussian blur this layer
Add a mask fill to the blurred layer fill the maskwith black
Brush with white in the mask to reveal blur
this will act just like a blur brush, even better cause you can paint with black on the mask to undo blur.

Gaussian Blur

Hi folks!
I am trying to understand gaussian blur, but can't get it to work how I imagined.
I have a square let us say 200x200 and have added a fill. When I try to apply gaussian blur it stll leaves square edges:
OK! If I drastically reduce the size of the square to say 75x75 - then the problem goes away....
The second image looks square only because of editing it in paint...lol
The problem seems solved; but if I enlarge my square with the applied gaussian blur - then it leaves square edges again.This causes problems when enlarging objects.
Is there a way around this problem?
bookie56

What actually happens is Illustrator creates a mask larger than the original object, then applies the blur within the mask.
You can control the size of the mask to a degree via Effect > Document Raster Effects Settings.
If your blur is greater than the area added for the mask, you get hard edges or you start seeing corners peek out around the blur.

Gaussian blur results in banding

Here's a piece of wall I try to gaussian blur (> 60 radius) and always results in bandings. I tried adding noise but it doesn't help, unless I add so much noise the image becomes unrecognizable.
Here's the same image in case the one above is re-compressed
blur
In case you wonder why blur this image, there is an electrical outlet near this wall (not shown) that I edited out and need to blur the edited area, and realize the resulting banding is caused by the wall and photoshop.
Are there other solutions?
I'm using photoshop CS4 in 16 bit mode.

Yes, I know what you're talking about. It's as though you don't want to accept the explanation.
With 24 bit color you will see the divisions between regions of identical RGB values in the 24 bit color space where they change by one level. It's most easily seen in gray or near gray gradients of dim luminosity (which is what you have here).
There is no uneven banding in the data in the image you posted. It's a 16 bit PNG file and the data is perfectly clean and smooth, which is what you'd expect from a large radius Gaussian Blur.
If you're seeing uneven or more severe banding on your display only, it's possible something in your system setup is amiss (e.g. a poorly constructed monitor profile, or a malfunctioning display driver), causing you to see multi-level jumps between adjacent regions of color.
On my very well tuned 24 bit color setup I can see the even (but very subtle) banding of your 16 bit image. Doing the following hides it completely:
If your display setup is functioning optimally you won't sense any banding in the above image (after having clicked it to make it show at full size of course).
-Noel

Transform Effect and Gaussian Blur creates issues

Here is one issue I cannot figure out how to correct. At times, I apply the Distort - Transform effect on a clip to scale up/down, etc,...then the next clip (which I dissolve to) has the Gaussain Blur applied to it. When I apply the blur the previous clip (with the Transform effrect) shifts. I have the Blur effect above the Transform effect in the Effects pannel and it still does not help. I cannot figure out how to stop the clip from shifting.

I recall a similar bug with Gaussian Blur a while back. I winder if that bug is still around.

Gaussian blur-- posterization

Hi all-
In a current project, I'm using some blurring effects through time (either a shot starts off blurry and comes into focus, or the reverse direction). All of the raw footage starts out completely in focus.
I have been using the "Gaussian Blur" effect in FCP, but I'm finding that as the blur amount changes through time, the image gets very posterized (i.e. distinct color bands, rather than gradual color shift), especially if there is motion in the shot that I'm blurring.
Does anyone recommend a way to eliminate the posterization artifacts, or a different effect or plug-in that will accomplish my image blurs with a more natural-lens look and quality?
Thanx gang.
-Chris

Yup, that's it, Jerry.
But in another FCP group, a listserve, I belong to, in a recent thread about 10-bit video in Final Cut, some well respected professionals did some testing. Oliver Peters posted this reply:
OK, I've had a chance to get back to this and ran another test this morning. SD input from DBeta to Kona2 using bars from DBeta tape. Captured bars both as 8-bit and 10-bit
media. Created 5 timelines:
1. 8-bit with 8-bit processing
2. 8-bit with HPYUV processing
3. 10-bit with 10-bit processing
4. 10-bit with HPYUV processing
5. 10-bit with 8-bit processing
Applied 3-way CC to the clips and compared no effect, effect rendered and effect previewed (not rendered). When you leave the CC settings at default, i.e. no adjustments, all timelines and all combinations of rendered, unrendered and no effect match each other on the scopes. (Note, that there was a very slight change on the 8-bit processing in the
10-bit timeline.) However, when you actually change the settings, i.e. apply CC changes, then ALL 10-bit and HPYUV combinations show a shift between rendered and preview of
the effect. The ONLY timeline where there was no change was #1, 8-bit with 8-bit processing. Also the 8-bit within the 10-bit timeline had extremely little change, but of course you take a hit stepping down to 8-bit processing. The changes that I saw were minor luma shifts (mainly in the midrange) and subtle vector shifts.
Quad-core G5 5GB RAM, Aja Io-LA, FCS 5.1 Mac OS X (10.4.6) Lots of toys

Issue with Gaussian Blur and Spot Colors

Wondering if anyone has a solution to this issue.
Setup: We are using CS4 + CS5 Illustrator on Mac OS 10.5.X and 10.6.X
We created a spot color radial gradient filled circle over a background of the same spot color. The gradient went from 100% of the color down to 2%. We then applied a gaussian blur set to 50 pixels so that we had a nice smooth transition from the circle blurring outwards over the background with the blur blending into the spot color background.
The problem arises when we select "Retain Spot Colors" on the blur. It fills the gradient circle with 100% solid color (but at the 2% range of the gradient so it appears white) and deletes the blur effect. If we don't select "Retain Spot Colors", it converts the blur to process and we get a banding on our printouts where the spot background and CMYK gaussian meet.
We tried the gaussian blur set at 5 pixels all the way up to 55 in 10 pixel increments but nothing worked. We tried different spot colors, same issue. We know we can do the background in Photoshop and import it into Illustrator as a workaround, but we are constantly editing and changing files and would like to keep everything in Illustrator.
Does anyone have any suggestions on how to solve this or if there is even a solution. We have not tried Illustrator 5.5 and do not want to invest the money in the upgrade yet. We would prefer to stay with both CS4 and CS5.
Thank you for any input.

Hi Mike,
Okay, I have some new information that changes things. I misunderstood what the issue was from the designer. My apologies in advance for the confusion. There are actually two issues but they are somewhat related.
Issue 1:
We are concerned with banding on the outside of a spot color gradient with a gaussian blur over a patterned background of the same spot color. We do not know if this is becasue of the number of pixels on the blur, the version of Illustrator, the blending of the blur into the patterned background, etc... While the banding looks slight on screen it is more pronounced when printed. There are many variables and we have tried everything we can think of to create a smooth transition but we keep getting some banding.
The first image shows what happens when the Preserve Spot Colors in the Raster Effects Settings (found under the Effect menu) is unchecked. We believe that the spot color is being treated as CMYK and causing the blur to be a slightly different color than the spot color background thus causing the banding.
The second image shows what happens when we select Preserve Spot Colors. We lose the blur.
The third image is what we are trying to achieve over a over a patterned background of the same spot color. This was achieved with the Preserve Spot Colors unchecked and also unchecking Overprint Preview in the Separations Preview Palette. However, this brings us right back to the issue with the Preserve Spot Color being unchecked.
Issue 2:
The issue is that we want to print a spot color gradient with a gaussian blur (over 50 pixels). In order to preview the blur effect correctly we have to uncheck the Preserve Spot Colors in the Raster Effects Settings (found under the Effect menu). However, we have recently found out that this will not work with the software our printers use to do separations. If we check the Preserve Spot Color for the separator, it turns the blur into a large square of color (see screensnap below). We have played around with the Add: x Around Object setting in Raster Effects but it has not helped.
3. If we do not select "Preserve Spot Color", the blur looks correct but it is no longer a spot color but CMYK when separated.
I hope that isn't too confusing and makes sense. Again, apologies for the mixup on my part originally. Thanks again for any help.

Gaussian blur causes clip to displace

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