Faster image filters

Hello,
As the VolatileImage class allow us to render images faster than BufferedImage,
I wanted to know if there was a way to filter images faster than with ImageFilter classes.
I ask that beacause I want to create some image effects for video game programming,
and I find the ImageFilter classes are time consuming.
Thank you in advance

Miguel,
The IMAQ Vision toolkit has some simple filters available. Most of them are also available in Vision Builder. However, any "high-tech" filters like the ones in PhotoShop would have to be developed from scratch.
I have some experience designing image filters. I would be glad to discuss any specific filters you are trying to achieve. I can be contacted at [email protected]
Bruce
Bruce Ammons
Ammons Engineering

Similar Messages

Image Filters for InDeasin CS

I have been running InDesign CS 3.0 for years and suddenly it asks for Image Filters and Avast blocks these siting malicious files. Does anyone have a solution?
InDesign still runs on a computer that never sees the Internet.

You cannot attach to the forums, you need to come back to the web page and use the camera icon to embed the images in a post, like this:
I find it more likely thatyour unconnected machine is not suffering from Avast finding a false positive, either because it isn't running, or becasue it hasn't received the same defective update. ID would not be looking for new versions of image filters on startup. If there were any, they would only be installed as part of a program update, and there hasn't been one of those for CS3 for years. ID does load existing plugins into memory, though as it starts up, and it sounds like Avast has taken a dislike tothe image filter plugins.
In case you haven't caught the undercurrent of what I'm saying, the problem is most likely Avast, not anything to do with ID.

Image filters for LabVIEW

Hi,
I'm looking for image filters in LabVIEW similar to PhotoShop or Paint Shop
Pro filters.
Do you know something about that?
Miguel.

Miguel,
The IMAQ Vision toolkit has some simple filters available. Most of them are also available in Vision Builder. However, any "high-tech" filters like the ones in PhotoShop would have to be developed from scratch.
I have some experience designing image filters. I would be glad to discuss any specific filters you are trying to achieve. I can be contacted at [email protected]
Bruce
Bruce Ammons
Ammons Engineering

Hello , need more core image filters

Hey folks first post here, but would like to say thanks to all for the great info -you folks put this noob at ease . I need an app or plug in that can do lightning fx, im using gimpshop and am told that photoshop plugs work with gimpshop ? Well i have to say gimpshop is great and free wich blows me away ,now i know i need to up my ram all the way but it seems to be the only image editor that does not over tax the ram !!! I have 1GB ram and have used live quarts -image trix and even the core image funhouse thats bundled in the developers tools -and they all seem to eat ram fast .A layer or two and filter next thing i know it slows down or wont respond , and i look in the console logs i keep geting these wormy v-ram message any idea what the **** that is ?
core duo 17'' in Mac OS X (10.4.7) 1 GB ram

This is incorrect. There are in fact more filters in FCE4 than in earlier versions. I notice that you have a G4. If this is the computer you're using many of the newer filter will not work with that machine unless you have an upgraded graphics card, though I'm not sure you can get one that will do it for that. That might be one reason you appear to see fewer filters, but all the old filters should be there are well, except for a one or maybe two that were removed because they never worked properly.

Fast image rotation and contrast adaptation

First: I'm new in vision processing.
I'm using LabView 8.0 with the IMAQ Vision development module. The aim is to control the angle and the contrast of a precalculated image (a greyscale wedge) in a fast loop with a framerate of 60 or 100Hz. Currently I use the time-consuming IMAQ rotate and IMAQ BCG functions. All these function works very fine but a litle bit to slow for my application. I have measure: IMAQ rotate with 40ms and IMAQ BCG with 15ms for an image with 1024 x 768 pixels (8-bit greyscale) on a new PC. I know that an arbitrary rotation is a processor intensive task.
Please correct me, but i assume that with IMAQ rotate the image rotation will be carried out in the PC RAM. Afterwards the recalculated image will be written in the grafic memory. In a final step the image will be displayed on the monitor by mean of the grafic processor.
I can imagine there exist a solution or some ideas in the LabView community to use the high end 3D very fast grafic card processor for the rotation and contrast tasks. I hope the approach will accelerate the time of calculation.
Thanks for your help.
Best regards
Ivo Buske

And of course, the rambling about IMAQ image pointers isn't relevant. (Skip all IMAQ.)
You might as well send the image once (each time it changes), and rotate it with opengl.
"Wiebe@CARYA" <[email protected]> wrote in message news:[email protected]...
Hi,
If I understand correctly, you just want a gradient screen to rotate, and to be able to adjust it's contrast.
This can be done a lot easier without an image. If you use OpenGL, you can just draw two triangles with there color set correctly. (You'd be able to make nice rainbow pictures as a bonus.)
An C/C++ application, or dll, could be made in a few hours by someone experienced with opengl and c++. You could even create an opengl window, and control it with LabVIEW. In other opengl applications there are some practical problems, but some might not matter to your application. Biggest problem is getting feedback (mouse clicks, close, move, resize window etc.) from the OpenGL window to LabVIEW.
Opening a opengl window, rotating a few polygons, adjusting color, closing window certainly doable.
Regards,
Wiebe.
"ibstein74" <[email protected]> wrote in message news:[email protected]...
Hi Wiebe, I have a fixed image, created before with array functions, that contain a pure linear greyscale gradient (left side: white / right side: black). I used this image to control a "spatial light modulator". This device is connected to the second DVI graphic card output. The main task of the "spatial light modulator" is to shift the local phase of the reflective light. It works as an spatial resolved "adaptive mirror".  The local phase shift correspondes directly to the applied grey level of the image. To change the direction in both dimensions of the reflective light I need to rotate this image (= rotate the phase wedge) Thereby the contrast can adjust the absolute angle of reflection.After I had calculated my greyscale gradient image and applied it to the second DVI output, I want only control the contrast and rotation. I think the graphic card function are very fast. But I have to control the graphic card directly per DLL or C-function node. It must be possible because I can tune the contrast and adjust the rotation manually with the nvidea driver in the windows system manager. I'm  waiting for a couple of weeks of an answer from nvidea but it seems that contrast and rotation of an 2D-image is not a real problem for these 3-D guys. :-(I hope of an answer or new ideas.Ivo Buske

Fast Image - Slow Image

Hi
In my game I load a 2D landscape from a gif image. The image consists of mostly two colors. If I use this image in my game, the game runs fast. as it should.
But to make the graphics nicer, I have drawn a second, small image with lots of colors and details. The idea is to replace one of the colors in the image (the ground) with this image. This method do that:
     public static BufferedImage changeColor (Image image, Color fromColor, Image toImage) {
           BufferedImage ri = new BufferedImage (image.getWidth(null), image.getHeight(null),BufferedImage.TYPE_4BYTE_ABGR);
           BufferedImage bImage = new BufferedImage (toImage.getWidth(null), toImage.getHeight(null),BufferedImage.TYPE_4BYTE_ABGR);
           bImage.getGraphics().drawImage(toImage,0,0,null);
           if (toImage.getWidth(null)<2 || toImage.getHeight(null)<2) return null;
           Graphics g = ri.getGraphics();
           int fromRGB = fromColor.getRGB();
            g.drawImage (image, 0, 0, null);
           for (int a=0; a < image.getWidth(null); a++)
              for (int b=0; b < image.getHeight(null); b++)
                 if (ri.getRGB(a,b)==fromRGB) {
                      int x=a, y=b;
                      while (x<0 || x>=toImage.getWidth(null) || y <0 || y>= toImage.getHeight(null)) {
                           if (x<0) x+=toImage.getWidth(null);
                           if (x>=toImage.getWidth(null)) x-=toImage.getWidth(null);
                           if (y<0) y+=toImage.getHeight(null);
                           if (y>=toImage.getHeight(null)) y-=toImage.getHeight(null);
                        ri.setRGB(a,b,bImage.getRGB(x,y));
          return ri;
    }This method returns a BufferedImage. But when I use this BufferedImage in the game, the game becomes really slow.
So, I don't know why this happens. Is it always slower to draw an image whith many colors than an image with few colors? Or is BufferedImages always slower than images returned from Toolkit.getImage()? Or do I use the wrong type of BufferedImage?
cccB

new BufferedImage(....) are not managed (cached in vram)
Images loaded from toolkit.getImage() are managed.
Also, the color model BufferedImage.TYPE_4BYTE_ABGR is not an efficient colormodel.
It will require conversion to the displays colormodel (which is probably TYPE_INT_RGB/ARGB/BGR)
Change your BufferedImage creation so it uses graphicsConfiguration.createCompatibleImage(...)
The BufferedImage returned will be a colormodel compatible with the display, and will be managed (cachable in vram)

Illustrator, Really? Fast Image Crop

Hi guys,
I decided to start this post with "Really?" like a SNL sketch...hehe. I have been using Illustrator for quite a while but i am not expert with it. One feature that really bothers me is that i can't really fast crop an image unless i draw a rectangle on top and then apply a crop mask. Why so many steps? Some might say illustrator is for vector and if you want image and text editing go to Photoshop or InDesign. I don't agree with that. I use it for a fast presentation and friends that just started to use it last week tell me "Why i cannot crop an image fast?"
So is there any way to fast cropping an image in the CS5 Illustrator that i might not be aware? I might consider an external plugin or script...but again paying for bottle water is always a rip off. That should be a internal feature long time ago, even Corel Draw has it.
Thanks and cheers,
S.-

we're all regular users here and we're trying to help...maybe if your choice of words would have been "is there a way to make a clipping mask in Illustrator faster than the way Indesing does it?" then the answer would have been "no", end of story...
I don't understand your quest for speed, usually working with illustrator is not associated with churning out the most artwork per minute as humanly possible, but who knows, you might have a legitimate reason for shaving off micro seconds of an operation, otherwise you wouldn't be asking.
but now that we know what you need, being, a quick way to apply a clipping mask and a quick way to modify such clipping mask, I think this is the best Illustrator can offer, based on what others have said above
- right after placing your image, hit Ctrl+7, no need to draw a rectangle, or if it is already placed, select it and hit Ctrl+7 or as Monika said push the "Mask" button on the Control Panel.
- to modify the mask A La Indesign, with your masked image unselected, grab the Direct Selection Tool (A), click on the Mask (not on the image), and grab the Selection Tool (V) (or hit V on your keyboard) to get the bounding box. At this point you can modify the mask exactly the way you do it in indesign.
man, if that's not fast enough for you, then, are you racing with your coworkers? maybe try bugging Adobe with a feature request pronto.

Distributed Image Filtering

Hi,
I needed some subject for my project at the University and I thougt that "Distributed Image Processing" would be something easy for a project in distributed systems. I wanted to have some image on the server, cut it into smaller pieces and send it to remote servers so they could filter it (for example: sharpen or blur ). After filtering they would send it back to the main server and put it back together. Of course I don't take into acount the edges and the problems with them.
I've been looking for some information for a week and I haven't done much progress in this field. The first thing is that images cannot be to large because I got an error about/of having to small size of heap(i know that i can increase it) but it's not the biggest problem.
I don't know how to cut them and send them to the servers. Clas BufferedImage is not proper for this kind of operations. I've read about JAI and its class TiledImage but I have no idea how to operate on those Rasters returned by this class operations. The 3rd thing is serialization, I need some object which would implement Serialization to sent it through web RMI.
Do you have any ideas, tips how could I do it? Is it possible to make it in simple way?
I'm a new person on this forum
Best regards to everyone and thanks for any clues
Jakub

Hi,
I needed some subject for my project at the University and I thougt that "Distributed Image Processing" would be something easy for a project in distributed systems. I wanted to have some image on the server, cut it into smaller pieces and send it to remote servers so they could filter it (for example: sharpen or blur ). After filtering they would send it back to the main server and put it back together. Of course I don't take into acount the edges and the problems with them.
I've been looking for some information for a week and I haven't done much progress in this field. The first thing is that images cannot be to large because I got an error about/of having to small size of heap(i know that i can increase it) but it's not the biggest problem.
I don't know how to cut them and send them to the servers. Clas BufferedImage is not proper for this kind of operations. I've read about JAI and its class TiledImage but I have no idea how to operate on those Rasters returned by this class operations. The 3rd thing is serialization, I need some object which would implement Serialization to sent it through web RMI.
Do you have any ideas, tips how could I do it? Is it possible to make it in simple way?
I'm a new person on this forum
Best regards to everyone and thanks for any clues
Jakub

Need a fast image viewer with slideshow and autorotating

Hello everyone,
I'm currently recycling an old computer as a digital photo frame. It runs LXDE.
This computer is also used as a server on which we store our photographs.
I need a fast picture viewer, with the following features:
- fast processing
- good rendering
- image autorotation based on EXIF data
- random slideshow with recursive browsing
- GUI is preferred, or I need to find a way to add entries in PCManFM's right-click menu (any guidance is welcome)
- ability to play video would be nice but is not mandatory
I've tried many image viewers available in repos and AUR. So far only 2 of them are suitable in terms of speed: feh and qiv. But they are CLI-based (no big deal if I find a way to customize PCManFM file associations), and they do not support image autorotating based on EXIF (support has recently been implemented in qiv, but Arch's package is outdated).
Please tell me if you know about a program that'd fit my needs.
TIA.
Last edited by brazzmonkey (2009-03-16 08:13:34)

Inxsible wrote:
rson451 wrote:
Inxsible wrote:I would be interested in your search as well, because I currently use mirage and feh to set my wallpapers...but I am looking for something lighter than mirage, but one which can do rotation as well, so I dont have to connect my HDD to the windows machine, just to set some pictures right.
Offtopic, but did you know feh has a right click menu? Rotation is in this menu.
Oh yes, I do know the right click. but I guess I never looked hard enough for the rotation as I do it very infrequently. Thanks for the tip.
How would I set feh, so that when I double click a image file, feh would start up and show that image? If I can get that (and I haven't tried that yet), I guess I can get rid of mirage then.
That's not an feh config, that's a config for whatever file manager you are using. I'm not sure of the options you'd need to pass feh because I always run it on the command line.

PC can't handle both IMAQ & OPENGL with BIG FAST images

I can extract images using a ring buffer at 72hz (2k x 2k x 16bit).    However, when I try to BOTH extract (using IMAQ) AND display (using OPEN-GL) I get an IMAQ FIFO overflow.      I want to run (and display) at 60hz but eventually get FIFO overflow at that speed....especially if I move the mouse around at the same time. (Your measurment studio has no problem collecting AND displaying at 72 hz though).      Is there a way to give the IMAQ priority over open-gl ????   I don't mind missing a couple frames being displayed, but I cannot have IMAQ halting over a FIFO overflow.
Thanks for any hints.

I'm using a c++ program. By extract I mean   being able to successfully do a   imgSessionExamineBuffer().    I then use the extracted image with OPEN-GL to display the 2kx2kx16bit image using NVIDIA cards.   All this is happening at 60hz.   At 30hz it works great. At 60hz it works most of the time....if I move the mouse around a lot it dies quicker than if I just leave the PC alone.    I agree that your driver seems to be getting "STARVED".       Displaying only a portion of the image doesn't seem to have any affect. Maybe Open-GL holds the interrupt longer than IMAQ can be without it?????    I'ld prefer to starve open-GL!!!! If you have any ideas I'ld sure like to know.   However, I do realize that this probably is more a PC through-put problem than an IMAQ problem    Open-GL is just being used temporarily until our "display" boards are ready..

Slow Image Filtering

I need to aplly a multiply filter (src*dest) to these iamges
image=(BufferedImage)sprite.getSprite(spriteName);
multi=(BufferedImage)sprite.getSprite("degra.jpg");
for i...
for j..
color=image.getRGB(i,j)*multi.getRGB(i,m);
image.setRGB(i,j,(int)color);
but is soooo slow. Could someone help me?.

Take a look at this thread. It specifically has to do with adding colors, but it should give you the general idea
http://forum.java.sun.com/thread.jspa?threadID=640347

From BufferedImage to faster Image...

Hello all.
I have to use JAI, Java2D, & ImageIO to read a TIFF and convert it into a transparent PNG. It results in a BufferedImage, of course. However, I noticed that the BufferedImage does not perform as quickly as the Image that can be created by the Toolkit (or obtained from the ImageIcon). This is true at least for Windows. For example, on Windows, the image is an instance of sun.awt.windows.WImage. However I have to save the image and reload it in order to get this other image
My question is this: Is there any way to directly convert a BufferedImage to type WImage, or to whatever native Image type exists on a particular platform. Does Java provide such a mechanism? Does anyone know of a way to do this (w/o having to write and re-read the image)?
Thank you in advance for your input.

GraphicsConfiguration.getCompatibleImage() gives you this kind of image. Use something like
Image originalImage = // load your image here
BufferedImage bI = GraphicsConfiguration.getCompatibleImage();
Graphics g = bI.getGraphics();
g.draw(0,0,originalImage,null); // draw old image into new bI
not sure about the exact method signatures, just what I remember.

Can't update MAC filtering in ServerAdmin/NetBoot at the Image level

Strange business here.
I have one NetBoot image, set as Default. It's enabled and diskless. Clients can NetBoot to it just fine - no problem. It's great.
I have two NetInstall images, created successfully with the System Image Util. They're both enabled... but no matter what I do, clients don't see 'em and won't install from 'em.
I think it has to do with filters at the Image level, but I'm not sure:
On the NetBoot image - the one that works fine - the image filters are set to (model filter) "Allow Any Apple Computer" and (Mac Address) "Allow only clients listed below (deny others)." Thing is, nothing is listed under MAC address filtering... so WHY is this working for the clients? and why are the NetInstall images not working? They have the same Image-level filters in place.
In fact, on the Image filter pane, no matter what I change, the changes aren't saved - when I click "OK," then go back into the pane, it's blank again.
Everything's on the same subnet; there's no funky networking going on or anything like that. NetInstalls work(ed) fine from my Tiger server. Note that my DHCP resides on a separate Windows server. Since I've been able to NetBoot and NetInstall from my 10.4 machine, I'm not inclined to think the DHCP is at fault here.
Oh - and one other tasty tidbit: in the Log files I see "can't open /etc/bootptab". This isn't entirely surprising since I went to /etc and there isn't a file or directory there by that name...

Per image MAC address filtering, sadly, does not work. Although I don't believe it will interfere with anything, you're probably best off just leaving that action out of your workflow.
Server level filtering works fine. If you need MAC address filtering, you'll have to do it there.
One quick thing you can try... toggle something on the image (enabled state for instance) and click "save". This may reset bootpd if it has cached old data.

Dividing One large Image to many smaller images

Dear Java developers,
I have 1 Large Image, and I want to divide it
into many smaller images, But I don't see
any Java API to make it...
Anybody can help me ?
Thanks in Advance,

I'd guess using BufferedImage and subimages thereof is faster than filtering it. Although it depends much on the implementation of the original image source, and its caching strategies. But it's pretty certain that when you are creating a BufferedImage which is appropriate for you current color model, you avoid most conversions which may be needed when rendering directly from an image source.
Having said that, the image source and filtering way may even use more memory and cpu than the buffered image way. At least temporary. But the image source is allowed to release almost all memory associated with the image, down to retaining only the original URL.
In simpler words:
- With BufferedImage you can be quite sure how much memory it will need. Add up the space needed for the Raster and auxiliary data and there you are. It won't change much over time. But it's not present in JDK 1.1.
-- Simple, predictable and modern.
- ImageSource is pretty much opaque in how much memory it will use. However, it's interface allows dropping most resources and re-creating them on demand. Of course, you'll know what it does when you're implementing it yourself. Which I tend to do from time to time.
-- Complex (flow control), opaque but present in JDK 1.1.
Your mileage may vary. There would be no challenge in programming if there were no tough decisions to be made ;-)
/kre

Faster Alternatives to Bridge CC

I only use Bridge as a photo browser--I use Lightroom/Photoshop for any real work.
But sometimes I just want to browse a folder and be able to zoom and/or open in Photoshop.
So I do use Bridge in this very limited way.
But CC is so slow as to be non-functional. [running Mountain Lion on Core i7 with 16GB RAM]
I use a lot of CC software--Lightroom, InDesign, Photoshop, Premiere Pro, Audition--none of it crawls like this.
So, my question is--is there a faster, professional [i.e. NOT Picassa] photo browser that I can replace Bridge with?
[I have a lot of photos on archived on several drives]
Obviously, there's Photo Mechanic...which I may go to if I have to, especially on location. But for now I was hoping for something a little less expensive. Plus it duplicates a lot of Lightroom does, which is my main workhorse.
I just want a photo browser.
Thanks,
Margot

This is a late reply but hopefully it might help you or someone else.
For those who don't want to read my mammoth post this is the condensed version:
Bridge/Lightroom = good but painfully slow.
Alternatives for PC:
ACDSee Pro ( I use Pro 6.0)
Faststone - Free and fast.
Alternatives for Mac:
ACDSee Pro ( I use 2.0)
Xee - Free and fast, but few features
On to the full version.
First, my experience with Bridge/Lightroom then further down my solution:
Bridge/lightroom both have good file management tools and lots of other features but as you've discovered they are slow.
I've used Lightroom (sparingly) since 3.0 up to 5.0. Only reason I have the latest version now is because i'm subscribing to Adobe CC and I hoped for some improvements regarding speed and workflow but was disappointed. Still slow image to image rendering and still no way to simply browse files without importing them. (or have I missed something?)
Main thing is still that it's slow.
Bridge has been around for a long time now and I've tried using it since my first version which shipped with Adobe Master Collection CS3. I've jumped on every single update Adobe has thrown at it but it is still painfully slow when browsing/viewing images and forget about selecting images based on sharpness as it simply cannot handle proper scaling to screen size on the fly. It has to create preview files first, which I have still not managed to set up in spite of an excess of 100 hours research/re-install/cache purging/mucking with settings etc..
My experience tells me that the only way to accurately gauge focus in Bridge is to zoom in 100%, something that also takes extra time especially with raw files.
I really want to love Bridge since that would mean my Adobe CC subscription would handle everything I need, but no, I simply cannot get around the fact that Bridge is too slow to be efficient.
For the record my systems are not slow, the specs are:
PC:
QuadCore i7 2.8GHz
12GB RAM
120GB SSD system drive
Seagate 3TB 7200rpm photo drives
Eizo 24" flat monitor (don't have the model nr right now but it's a S-PVA panel with good colors)
Mac:
Macbook Pro Retina 15"
2.6 GHz i7
16 GB Ram
256GB SSD
3:rd party solutions I use/used that you might give a try:
My first choice is ACDSEE - I currently own ACDSEE Pro 6.0 for PC and 2.0 for Mac. I mainly use it to go through my memory cards during import and for that it is MILES AHEAD Lightroom/Bridge.
There is a decent Categories feature that I sometimes use to keep track of where certain types of images are. For example I've created sets of categories for different clients to keep track of my best images for each client.
I usually go through my memory cards and simply hit CTRL+B to save to save selected photos into the image basket, this gives me a virtual selection that I can choose to copy elsewhere or perhaps open in Photoshop straight from the memory card.
It also serves as a blazing fast image viewer, it handles most image formats including jpg/png/gif/psd etc. Best of all, it's REALLY FAST compared to Lightroom and Bridge. It even handles quite big .PSD's however the bigger they get the longer it takes obviously.
There are key differences between the PC version and Mac version with the PC version being better according to me. One example: The PC version uses two different keyboard shortcuts for the virtual "Image Basket", CTRL+B to add images, ALT+X to remove them from the basket. The Mac version(2.0) only has a "Tag" function where adding/removing images from the tagged list is done with the same shortcut which means you have to exit fullscreen in order to be 100% sure you have added/removed the tag. Also I had to reassign the shortcut because the standard one did nothing.
I've used ACDSee on the PC about 7 years, it's been really buggy at times, most notably known for "ragequitting" on you while browsing images but the last 3 versions or so have behaved really well. I have still experienced errors forcing me to shut it down but it is now a rare problem and I prefer that risk over the inexcusable slow Bridge/Lightroom. Pro 2.0 is my first experience with it on Mac and it still needs some tweaks but some of my gripes are partly related to getting used to the Mac interface.
Free alternatives that I've used and recommend:
For PC I would say Faststone is a really good option, it's fast, reads most image formats, has a tagging function which gives a graphic que wether or not the image is tagged (small pink square appears in the upper left corner if I remember correctly). It has lots of features easily accessed in fullscreen by simply moving the cursor to either side of the screen. Oh and it displays the images way sharper than Bridge/Lightroom without the need to zoom in 100%. Just as with ACDSee it's often possible to determine the sharpness of an image with the image fitted to the screen size, without going 100%.
For Mac I initially wanted a Faststone alternative since ACDSee wasn't available at first. My research led me to "Xee", a free image viewer that works well although lacks thumbnail view and has nothing equivalent of the Image Basket or tag function for ACDSee.
Ok, I think I've done my share of typing today, I hope someone finds this information useful.
If you read this Adobe; C'mon... shape up Bridge and Lightroom already, you've had many years to get it right but alot of users still see poor performance in those otherwise great programs.

Faster image filters

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