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1600x1200 good enough for an 8x10 print?

H

Howard

Lifer
I know 300dpi is recommended (1600x1200 would be about 160dpi), but how closely do you need to look at the print to see the limitations of the lower resolution?

Added lower post:

Somebody take a look at these for me and tell me which one will look better on an 8x10 (note the line artifacting), please.

Original picture
Same picture, upsampled
 
It's passable if you don't need it to look great. Definitely not photo-quality, but it doesn't look like absolute crap.

ZV
 
It'll be alright. Inkjets are sposed to be at at least 300dpi, but what is that kind of printing that is good at 150dpi? I think it is what print houses use.
 
.rar still not working for me.

4x6 from 1600x1200 looks a little crappy to me printed out from my hp7350. Might be my printer though...
 
I used Genuine Fractals for the RARed TIF image, which you unfortunately can't view right now. I'll give Irfanview a shot.

I HATE TRIPOD HOSTING
 
Well, the Lanczos filter was a bit worse than the Genuine Fractals filter, IMO. B-Spline actually looks decent, there isn't much line artifacting, but the lines are still blurrier than I'd like.
 
Originally posted by: Howard
Well, the Lanczos filter was a bit worse than the Genuine Fractals filter, IMO. B-Spline actually looks decent, there isn't much line artifacting, but the lines are still blurrier than I'd like.
Click to expand...
It's hard to add something that's not there.

I like Laczos for my 1600x1200 photos off my Panasonic FZ-1, but then the FZ-1 has the best optics going in a digital camera, so that helps.

 
what exactly do you want done to this now? i opened teh file you uploaded to me and juat made it 300 DPI @ 3200xx12000 10.667x8.0

lil tweaking is PS and it looks fine

it is however 30 megs
 
I actually just wanted to see if the RARed file was better than or worse than the original JPG. It's already 3200x2400, which is 7.5x10 (I'm going to add half an inch of margin at the bottom to cut out after they print it out on 8x10).

If you can remove the line artifacts and/or sharpen the lines, that'd be great.
 
Originally posted by: Howard
I actually just wanted to see if the RARed file was better than or worse than the original JPG. It's already 3200x2400, which is 7.5x10 (I'm going to add half an inch of margin at the bottom to cut out after they print it out on 8x10).

If you can remove the line artifacts and/or sharpen the lines, that'd be great.
Click to expand...

gimme a bit im going to microcenter

 
I don't have the time to install plugins and play right now, but a couple things ..

Genuine Fractals is a waste of money (if you pay for it - no reason to use it if you didn't)

You may want to search for "step resize" or "stairstep resize" and give that a shot. It *might* make a slight difference over straight bicubic (no more than GF, I wouldn't expect). Only if you've got time on your hands though.

There are two plugins that may help with the artifacting. Look for NoiseNinja, as it is the shit.

I forget the other one 🙁 I think it was called jpeg repair or jpeg doctor and came bundled with 3 other plugins. It was from a reputable company like Kai's - don't be downloading anything from any company that doesn't have the R&D to build a nice webpage.
 
Originally posted by: Howard
Originally posted by: myusername
um.. might want to jpeg it then 😛
Click to expand...
That degrades image quality. I don't have any to spare.
Click to expand...
Nope, it really doesn't.
Technically, yes the data get munged, but if you save at the highest jpeg quality setting, it will not be visible.
Edit: and the original remark was aimed at anubis since he was the one who was going to unpack the rar 🙂
 
Stair interpolation is not freeware and doesn't have a trial, whereas GF does (which is why I used it).

NoiseNinja isn't freeware either, and it watermarks the image...
 
:thumbsup:
When I tried it out awhile back, NN had a limited use (one day, iirc) trial code. I think the other one (the one I can't remember) might work better in this case. Here's a bump, and if you haven't got a solution by tonight I'll give it a shot. I gotta go get a grease and ATF skin treatment right now 🙂
 
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