Please Help on Challenge Entry - DPChallenge Forums

Tamron SP AF 28-75mm f/2.8 XR Di for Canon

05/22/2006 11:24:50 PM · #1

I take what I feel to be an "entry worthy" photo. I make a few minor adjustments to exposure cropping and so forth. I am ready to resize to meet the entry requirements. My resolution remains 72 from the original but I have to change size from 1512/1224 to 640/5something. My file size changes from 1.99 mb to around 668 kb. I have to reduce my image to 360/292 to get my file size to under 150 kb.

By now my image is greatly distorted. What can I do to avoid or resolve this problem. Please, any help is greatly appreciated.

Canon EOS-20D

05/22/2006 11:26:27 PM · #2

Check out this tutorial.

klstover

Panasonic DMC-FZ8

05/22/2006 11:28:42 PM · #3

What I do in Photoshop is, once I've got it the size I want, I choose "save for web" and then there is an option (under a triangle button) to "optimize for file size", where I can put 150K.

edit: Oookey, that was some awesome syntax for ya....

Message edited by author 2006-05-22 23:30:22.

fotomann_forever

05/22/2006 11:33:08 PM · #4

Save for Web is your friend.

klstover

Panasonic DMC-FZ8

05/22/2006 11:39:41 PM · #5

Yes. I don't know who told me about save for web, but it was someone here, and I am SO greatful!

wheeledd

Panasonic LUMIX-DMC ZS100

Canon EF 24-105mm f/4.0L IS

05/22/2006 11:43:07 PM · #6

Brenda,

I'm assuming that you probably don't have Photoshop. The tutorial that mk linked is excellent but all the details are for Photoshop. If you can figure out how to do the equivalent operations with the software you are using, you will be in fine shape. If you still have trouble, ask again and tell us exactly what software you are using.

--DanW

Canon 12x IS USM (S3 IS built-in Lens) -- 36-432mm (35mm EQ)

05/23/2006 01:03:56 AM · #7

I am using Microsoft Digital Imaging Suite 2006. I don't recall seeing a save for web option. I will re-examine my software when I get home. The problem isn't so much the resizing, it's the obvious drop in image quality. I have received several comments on previous entries and I think alot of it is because of the diff in quality after I resize.

GeneralE

Canon PowerShot S3 IS

05/23/2006 01:15:12 AM · #8

What you need to be careful of is the difference between the uncompressed file size (pixel dimensions), and the amount of "storage" size it takes on disk once it's compressed.

When you use the Image Size dialog box, you are dealing with the uncompressed size, in pixels. A typical size for a DPC submission is 640 x 480 pixels, which is exactly 900kb in normal RGB mode.

If you don't have a "Save For Web" option, then what you want to do is save a copy in JPEG mode, guessing at the amount of compression it will take to bring the size on disk under 150kb -- try starting with a level of 6 or 7 (out of 10 or 12 or whatever the maximum value available). If that file (the copy) is bigger than 150kb, try saving another copy with a lower setting; if it's smaller than 150kb, save another copy with a higher quality setting, until you get as close as you can to 150kb without going over (kind of like playing The Price Is Right).

05/23/2006 01:21:26 AM · #9

Thanks, I will have to try that. Can you tell me where I may be able to adjust the amount of compression using Microsoft Digital Imaging Suite 2006?

Canon 12x IS USM (S3 IS built-in Lens) -- 36-432mm (35mm EQ)

05/23/2006 01:22:46 AM · #10

By the way, I was on "The Price is Right" in 1984. Won the showcase including a trip to Japan and a 3 wheel 1 passenger 100 mile per gallon car.

GeneralE

Canon PowerShot S3 IS

05/23/2006 01:24:22 AM · #11

Usually it will show up somethere when you pick "JPEG" as the format, sometimes as a subsequent dialog box (pops up after you say OK to the name/location/format options).

Just make sure you're always saving a copy, so you can go back and start over.

GeneralE

Canon PowerShot S3 IS

Canon 12x IS USM (S3 IS built-in Lens) -- 36-432mm (35mm EQ)

05/23/2006 01:25:26 AM · #12

Originally posted by bgslaw:

By the way, I was on "The Price is Right" in 1984. Won the showcase including a trip to Japan and a 3 wheel 1 passenger 100 mile per gallon car.

Wow -- that's amazing! My mom wants to get on it now : )

Canon EF 100-400mm f/4.5-5.6L IS

05/23/2006 01:27:22 AM · #13

It's very easy. Just call to arrange for tickets, show up and act over excited in line. That's what I did and I was the first person they called. I acted crazy because I didn't know anyone around me and knew I wouldn't see these people again.

awpollard

Canon EOS-5D Mark II

05/23/2006 01:30:09 AM · #14

Originally posted by bgslaw:

Digital Image Pro (suite)

File > Save Copy for > Save for Email or Web...
Choose Large Web View in the Picture Size Drop-down for 640 on the longest side.

Next dialog click on Options

The jpeg compression slider is there, default is 80 go higher for more detail (larger file size as well) or lower for smaller filesize (less detail in image)
Uncheck Store Thumbnail in file for even smaller filesize.

You will find your picture in My Documents > My Pictures > email or Web
if you chose the default location.

Andy

Message edited by author 2006-05-23 01:32:47.

awpollard

Canon EOS-5D Mark II

Canon EF 100-400mm f/4.5-5.6L IS

05/23/2006 01:58:43 AM · #15

ED: The site here don't like MHTML so I will have to do a regular html pages...

Hey Brenda do me a favor if you would be so kind and take a look at This document that I am putting together for Digital Image Pro (suite) users.

It is a simple workflow and working with effects in Microsoft Digital Image Pro, just things I found usefull. See if it makes any sense to you.

Right now it is tips and stuff that I have been throwing in there from threads that I have posted and working with people at work, so there is typos and verbaige that don't match but the basics are there. It is actually a Word Doc saved as a single file web page.

Let me know what you think.

Thanks...Andy

Message edited by author 2006-05-23 02:02:05.