Enlarging pictures with minimum jagged edge?

awdrifter · December 12th, 2007, 09:19 PM

Is there a way to for example enlarge a 800x600 picture to 1680x1050 (I know the ratio is off, I'll crop if needed) without too much jagged edge? I've found a wallpaper at 800x600 and it looks real bad on my screen when stretched to 1680x1050. Thanks.

Edit: Just noticed I should've posted this in the Photoshop forum, mods please move this, thanks.

73GMCSprint · December 12th, 2007, 09:37 PM

I don't know that you'll find any way around it enlarging a picture that much. Some of the higher-end photo-editing software does a better job though. Photoshop has some different settings you can mess with when you enlarge or shrink a picture that might improve the quality.

Kip_6666 · December 12th, 2007, 09:48 PM

You would need come kind of zooming technology, of "super" quality.

Perhaps... http://forums.finalgear.com/off-topic/intel-invents-super-zoom-20220/

napoleondyna · December 12th, 2007, 09:49 PM

There can only be one way...

SUPERZOOM!

jeffy777 · December 12th, 2007, 10:32 PM

I knew what was coming when I saw the thread title..... images/smilies/lol.gif

Seriously though:

In Photoshop, converting a layer to a Smart Object before enlarging it really helps, but the result all depends on the content and how big you need to go.

When working with a Smart Object, make the canvas bigger and then resize the Smart Object manually with the transform options instead of using Image >> Image Resize

Viper007Bond · December 12th, 2007, 11:24 PM

Just gotta make sure to use the right resize algorithm.

awdrifter · December 12th, 2007, 11:47 PM

Thanks for the replies. I'm not looking for super zoom, I'm just looking to enlarge the picture a bit. I tried all the resized option in PS, but it still looks horrible. Here's the original picture, if someone could enlarge it to 1680x1050 with minimal jagged edge please help (I know the ratio is wrong, just crop the top and bottom). Thanks in advance.

Original pic.

http://img88.imageshack.us/img88/3544/airbg8.png

pdanev · December 13th, 2007, 02:57 AM

Won't really work, the size you want has about 4x as many pixels, there's no magical way, aka superzoom, for this type of stuff.

Sometimes, depending on image content, when upsizing things just get blurry which can be helped a bit by unsharp mask. The size you want this 800px image in, that technique doesn't really help, if anything it makes it worse.

jeffy777 · December 13th, 2007, 03:28 AM

I gave it a shot and most of the image looks ok when enlarged, but some parts are already jagged (such as the hair) so of course it's gonna get worse.

eddysdaman · December 13th, 2007, 05:22 AM

http://thumb.phyrefile.com/2007/12/13/airbg8.jpg

That's my 2 min attempt (working on a 1280x1024 screen atm, image was cropped images/smilies/tongue.gif

)

flamingice · December 13th, 2007, 05:28 AM

Generally, it's best to use the "Bicubic Smoother" resizing algorithm for upsizing pictures. Don't know if it'd work so well here though.

awdrifter · December 13th, 2007, 09:40 AM

Quote:

Originally Posted by eddysdaman

That's my 2 min attempt (working on a 1280x1024 screen atm, image was cropped images/smilies/tongue.gif

)

That looks a lot better than my attempts, thanks.

jensked · December 13th, 2007, 09:48 AM

Quote:

Originally Posted by eddysdaman

That's my 2 min attempt (working on a 1280x1024 screen atm, image was cropped images/smilies/tongue.gif

)

SUPERZOOM LIVES!

Nice work

IceBone · December 13th, 2007, 10:24 AM

Genuine fractals is the way to get the best results, but if you can't be arsed to pay for that, use photoshop bicubic sharper and incrementally increase size to 109% untill you get the res you want.

awdrifter · December 13th, 2007, 11:59 AM

Thanks for the replies. I'm acquiring that plug-in now, hopefully it'll give better result.

Blayde · December 13th, 2007, 03:35 PM

Turing moment this, SuperZoom works! images/smilies/biggrin.gif

Quiky · December 13th, 2007, 03:38 PM

*ahem*

http://thumb.phyrefile.com/2007/12/13/airbg81680.jpg

IceBone · December 13th, 2007, 03:43 PM

how'd you do that? PS CS2 cutout has too many jagged edges..

December 12th, 2007, 09:19 PM	#1
awdrifter Joined: Aug 29th, 2004 Last Online: Yesterday Posts: 1,336 Rep Power: 21	Enlarging pictures with minimum jagged edge? Is there a way to for example enlarge a 800x600 picture to 1680x1050 (I know the ratio is off, I'll crop if needed) without too much jagged edge? I've found a wallpaper at 800x600 and it looks real bad on my screen when stretched to 1680x1050. Thanks. Edit: Just noticed I should've posted this in the Photoshop forum, mods please move this, thanks. __________________ TP Last edited by awdrifter; December 12th, 2007 at 09:30 PM.

December 12th, 2007, 09:48 PM	#3
Kip_6666 I Bought This Title :o Joined: May 17th, 2004 Last Online: Yesterday Location: The Netherlands Age: 22 Posts: 2,943 Car: Saab 93 2.0t @ stage 1 Rep Power: 29	You would need come kind of zooming technology, of "super" quality. Perhaps... http://forums.finalgear.com/off-topic/intel-invents-super-zoom-20220/ __________________ http://www.internet-memes.com My Flickr

December 12th, 2007, 09:49 PM	#4
napoleondyna Joined: Jul 27th, 2006 Last Online: Yesterday Location: Tucson, AZ Age: 16 Posts: 399 Car: 1970 Volkswagen Karmann Ghia Rep Power: 16	There can only be one way... SUPERZOOM! __________________ My Photography http://final-gear.miniville.fr Click and make Final Gear town grow!

December 12th, 2007, 10:32 PM	#5
jeffy777 Joined: Feb 8th, 2005 Last Online: 07:06 AM Location: US Age: 27 Posts: 5,422 Car: '04 Toyota Sienna, crippled people like vans.... Rep Power: 45	I knew what was coming when I saw the thread title..... Seriously though: In Photoshop, converting a layer to a Smart Object before enlarging it really helps, but the result all depends on the content and how big you need to go. When working with a Smart Object, make the canvas bigger and then resize the Smart Object manually with the transform options instead of using Image >> Image Resize __________________ A man named Jeffy once said, "If laziness is craziness, then I've lost my marbles...and I don't feel like trying to find them." Last edited by jeffy777; December 12th, 2007 at 10:40 PM.

December 12th, 2007, 11:24 PM	#6
Viper007Bond Lazy Head Dude Joined: Sep 21st, 2003 Last Online: 02:10 AM Location: Portland, Oregon Age: 24 Posts: 20,137 Car: Dodge Viper (I wish!) Rep Power: 224	Just gotta make sure to use the right resize algorithm. __________________ Fight back against the evil Quiky by +1'ing this post! There is no replacement for displacement. - Wolfgang Bernhard, Chief Operating Officer, Chrysler Group talking about the Dodge Viper SRT-10 ... I ask Herb Helbig, vehicle synthesis manager for SRT and a member of the original Team Viper development group since day one, if they'd ever thought of adding traction control. "It comes with two," he says, pointing at my feet. "Learn to use them." Got it. - Motor Trend on the 2006 Dodge Viper Coupe, November 2005

December 12th, 2007, 09:37 PM	#2
73GMCSprint Joined: Jun 20th, 2007 Last Online: 04:59 AM Location: UT, USA Posts: 333 Car: 1973 GMC Sprint, Buick 455, TH400 Rep Power: 8	I don't know that you'll find any way around it enlarging a picture that much. Some of the higher-end photo-editing software does a better job though. Photoshop has some different settings you can mess with when you enlarge or shrink a picture that might improve the quality.

December 12th, 2007, 11:47 PM	#7
awdrifter Joined: Aug 29th, 2004 Last Online: Yesterday Posts: 1,336 Rep Power: 21	Thanks for the replies. I'm not looking for super zoom, I'm just looking to enlarge the picture a bit. I tried all the resized option in PS, but it still looks horrible. Here's the original picture, if someone could enlarge it to 1680x1050 with minimal jagged edge please help (I know the ratio is wrong, just crop the top and bottom). Thanks in advance. Original pic. __________________ TP

December 13th, 2007, 02:57 AM	#8
pdanev Joined: Oct 4th, 2004 Last Online: Yesterday Location: Netherlands Age: 25 Posts: 5,642 LFS Status: Rep Power: 23	Won't really work, the size you want has about 4x as many pixels, there's no magical way, aka superzoom, for this type of stuff. Sometimes, depending on image content, when upsizing things just get blurry which can be helped a bit by unsharp mask. The size you want this 800px image in, that technique doesn't really help, if anything it makes it worse.

December 13th, 2007, 03:28 AM	#9
jeffy777 Joined: Feb 8th, 2005 Last Online: 07:06 AM Location: US Age: 27 Posts: 5,422 Car: '04 Toyota Sienna, crippled people like vans.... Rep Power: 45	I gave it a shot and most of the image looks ok when enlarged, but some parts are already jagged (such as the hair) so of course it's gonna get worse. __________________ A man named Jeffy once said, "If laziness is craziness, then I've lost my marbles...and I don't feel like trying to find them."

December 13th, 2007, 05:22 AM	#10
eddysdaman Joined: Mar 19th, 2005 Last Online: 06:20 AM Location: Australia Age: 19 Posts: 638 Car: 01' Mitsubishi Lancer Rep Power: 19	That's my 2 min attempt (working on a 1280x1024 screen atm, image was cropped ) __________________ See My Ride, Lenny Lancer: and my Forums Website For Awesome Wide-screen Wallpapers

December 13th, 2007, 05:28 AM	#11
flamingice Joined: Nov 25th, 2005 Last Online: Yesterday Location: It's complicated. Posts: 865 Rep Power: 12	Generally, it's best to use the "Bicubic Smoother" resizing algorithm for upsizing pictures. Don't know if it'd work so well here though. __________________

December 13th, 2007, 10:24 AM	#14
IceBone Gulf Livery Rules Joined: Jan 14th, 2007 Last Online: August 28th, 2008 Location: Slovenistan Age: 24 Posts: 5,861 Car: Mitsubishi Carisma GDI Rep Power: 54	Genuine fractals is the way to get the best results, but if you can't be arsed to pay for that, use photoshop bicubic sharper and incrementally increase size to 109% untill you get the res you want. __________________ The Mitsubishop of Natural Aspiraton

December 13th, 2007, 11:59 AM	#15
awdrifter Joined: Aug 29th, 2004 Last Online: Yesterday Posts: 1,336 Rep Power: 21	Thanks for the replies. I'm acquiring that plug-in now, hopefully it'll give better result. __________________ TP

December 13th, 2007, 03:35 PM	#16
Blayde Joined: Dec 20th, 2004 Last Online: Yesterday Location: Bahrain Posts: 1,689 Car: '02 Nissan X-Trail Rep Power: 38	Turing moment this, SuperZoom works! __________________ Some say he migrated when fuel hit 4 pounds per gallon and that he can make 'special price' for you. All we know is, he's the Stig's Arab cousin; Al-Stig!

December 13th, 2007, 03:38 PM	#17
Quiky 100% Awesome + 100% Evil = Admin. Joined: Aug 21st, 2005 Last Online: 03:18 AM Posts: 2,119 LFS Status: Rep Power: 152	ahem __________________ + Rep me, and fight the lazy Viper007Bond!

December 13th, 2007, 03:43 PM	#18
IceBone Gulf Livery Rules Joined: Jan 14th, 2007 Last Online: August 28th, 2008 Location: Slovenistan Age: 24 Posts: 5,861 Car: Mitsubishi Carisma GDI Rep Power: 54	how'd you do that? PS CS2 cutout has too many jagged edges.. __________________ The Mitsubishop of Natural Aspiraton