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DPChallenge Forums >> Photography Discussion >> Resizing for DPC posting.
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06/29/2006 12:09:25 PM · #1
I am sure this has come up before but can someone help me on downsizing a picture. I want to join and start a little portfolio and enter some challenges but I cannot get my photos to the 640 size and under 150k without the photo just looking like crap. My starting photo is 1.6m and 2240x1488 jpeg, I resize to 640x425 and compress the jpeg from 90 to 30 but that only takes the photo down to 682k and the photo is so grainy its worthless. I am useing Arcsoft software suite for my editing tool, not sure what to do. Thanks.
06/29/2006 12:13:55 PM · #2
Wow... that doesn't sound quite right. I'm not familiar with your software, but photoshop has a resize for web option. I think GIMP may have something similar and is free.
06/29/2006 12:15:59 PM · #3
here is how to do it with photshop I do not know your software but maybe it is similar to this.

Message edited by author 2006-06-29 12:16:21.
06/29/2006 12:46:13 PM · #4
Do yourself a big favor and find a way to switch to Photoshop Elements. You won't regret it.

Originally posted by rexermoto:

I am sure this has come up before but can someone help me on downsizing a picture. I want to join and start a little portfolio and enter some challenges but I cannot get my photos to the 640 size and under 150k without the photo just looking like crap. My starting photo is 1.6m and 2240x1488 jpeg, I resize to 640x425 and compress the jpeg from 90 to 30 but that only takes the photo down to 682k and the photo is so grainy its worthless. I am useing Arcsoft software suite for my editing tool, not sure what to do. Thanks.
06/29/2006 12:57:05 PM · #5
Originally posted by rexermoto:

I am sure this has come up before but can someone help me on downsizing a picture. I want to join and start a little portfolio and enter some challenges but I cannot get my photos to the 640 size and under 150k without the photo just looking like crap. My starting photo is 1.6m and 2240x1488 jpeg, I resize to 640x425 and compress the jpeg from 90 to 30 but that only takes the photo down to 682k and the photo is so grainy its worthless. I am useing Arcsoft software suite for my editing tool, not sure what to do. Thanks.


When you resize and image for the web, you need to do two things at once; you need to make it smaller, and you need to resample it. I don't know how arcsoft works, but if you are "resizing" without resampling, all the original pixel image is still there, and your file size does not drop unless you compress dramatically.

In photoshop, the average 640-pixel image will reach 150K in size at about level 8 jpg compression. If using "save for web" in PS, that would be somewhere between 80 and 88 or so... Very "busy" images with a lot of detail may drop as low as the 70's, and very simple images with a lot of same-color area (black BG for instance) may be in the high 90's...

R.
06/29/2006 02:40:14 PM · #6
Originally posted by rexermoto:

I am sure this has come up before but can someone help me on downsizing a picture. I want to join and start a little portfolio and enter some challenges but I cannot get my photos to the 640 size and under 150k without the photo just looking like crap. My starting photo is 1.6m and 2240x1488 jpeg, I resize to 640x425 and compress the jpeg from 90 to 30 but that only takes the photo down to 682k and the photo is so grainy its worthless. I am useing Arcsoft software suite for my editing tool, not sure what to do. Thanks.
Not many of us are that familiar with Arcsoft. Does it automatically resample when you resize? And is there a way to vary the amount of compression?
06/29/2006 02:48:23 PM · #7
It looks like I can only resize with keeping the aspect ratio. I don't have a resample option, it is the software that came with my D70s, looks very basic from the sounds of it. The default jpg. compression is at 90, but it doesn't matter what I set it to the image gets worse and the file size hardly moves. Looks like I will be saving up for photoshop. I just wish it wasn't so expensive. Thanks for you help.
06/30/2006 06:39:55 PM · #8
Originally posted by rexermoto:

It looks like I can only resize with keeping the aspect ratio. I don't have a resample option, it is the software that came with my D70s, looks very basic from the sounds of it. The default jpg. compression is at 90, but it doesn't matter what I set it to the image gets worse and the file size hardly moves. Looks like I will be saving up for photoshop. I just wish it wasn't so expensive. Thanks for you help.


While you're saving why don't you try the GIMP. It's a complete full featured photo editing program and it's totally free. There is a dedicated group of software developers that keep improving it all the time and there are many tutorials available too.

Once you have started with another program it is harder to switch than it is to learn from the beginning.

Here's acouple of limks to get you going:

GIMP Users Group

download GIMP for Windows here

GIMP Users Manual

GIMP Plug-ins

UFRAW - the RAW Converter for GIMP
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