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FORUMS Post Processing, Marketing & Presenting Photos RAW, Post Processing & Printing 
Thread started 08 Oct 2007 (Monday) 10:43
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Distortion in saving from RAW to JPEG??

 
Jostel
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Oct 08, 2007 10:43 |  #1

Hello.

When I shoot in RAW, I am able to make adjustments in PP, and I like the results.

However, when I "open" into jpeg, for cropping, and saving, to post, there is a distortion that is not at all what I had accomplished in RAW. I guess its minor, but I notice it and it seems huge to me.

Since I cannot upload in the RAW format to photobucket, or save in a way I like, I cannot even show examples. Alls I have are the jpegs, but they do not show what I acheived in RAW.

I hope this makes sense, but I am at such a loss as to why this happens.

Any ideas or suggestions, would be appreciated.

Thanks..


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EOSAddict
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Oct 08, 2007 10:52 |  #2

Hi,

What application are you using to convert to JPG and what 'distortion' do you mean? Aritfacts, colour, noise? Some more details might help identify the problem.


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bobrock111565
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Oct 08, 2007 10:56 |  #3

Yes, we need to know what application you're using, and then ultimately what settings for the conversion. You CAN save images as a JPG with absolutely NO loss in quality, but of course the file size will be larger. Still much smaller than a TIF, but if you're primary concern is quality, then a slight increase in size should not bother you. So let us know your workflow and then we can help you.

Bob


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gjl711
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Oct 08, 2007 11:05 |  #4

Maybe post the jpeg which shows the problem most clearly and describe what you expected based on the processing.. You can also show both by doing a screen capture. Try this:
First bring up the picture in your raw converter and process it as you normally would.
Then open the jpeg using the software you normally use while keeping the raw converter open.
Resize the windows so that both are easily viable and hit the print screen button.
Then paste that into your photo editor and crop out a 800 by 800 segment and post the pic.

We should be able to see both the raw file as it looks on your machine as well as the processed photo. It is very difficult to help unless we can see what type of distortion your speaking of.


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Jostel
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Oct 08, 2007 12:16 |  #5

gjl711 wrote in post #4087293 (external link)
Maybe post the jpeg which shows the problem most clearly and describe what you expected based on the processing.. You can also show both by doing a screen capture. Try this:
First bring up the picture in your raw converter and process it as you normally would.
Then open the jpeg using the software you normally use while keeping the raw converter open.
Resize the windows so that both are easily viable and hit the print screen button.
Then paste that into your photo editor and crop out a 800 by 800 segment and post the pic.

We should be able to see both the raw file as it looks on your machine as well as the processed photo. It is very difficult to help unless we can see what type of distortion your speaking of.

Hmm. I use PSE5.0. Once I "open' to go to Jpeg, the RAW closes out. Let me play with this option a bit, and see if I can get it to do what you are asking! Thanks!!


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davidcrebelxt
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Oct 08, 2007 12:35 |  #6

You could do two seperate screen grabs also... if that's easier.


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Jostel
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Oct 08, 2007 12:46 as a reply to  @ davidcrebelxt's post |  #7

Thanks!!! Screen print thing worked!!!

here are afew examples. is it just me???????!!!!

1

IMAGE: http://i145.photobucket.com/albums/r213/joanfstel/67fastbackrawandjpeg.jpg


2
IMAGE: http://i145.photobucket.com/albums/r213/joanfstel/sidebysiderawandjpeg.jpg


3
IMAGE: http://i145.photobucket.com/albums/r213/joanfstel/leavesrawandjpeg.jpg


4
IMAGE: http://i145.photobucket.com/albums/r213/joanfstel/lighteningrawandjpeg.jpg

My name is Joan. Just Joan. :D
If you do not stand behind our Military~~ PLEASE feel free to stand in front of them..

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In2Photos
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Oct 08, 2007 13:02 as a reply to  @ Jostel's post |  #8

The first thing I notice is that you are viewing the images at odd values. When you view your images these values only: 12.5 %, 25 %, 50%, 75%, 100%, 200% and so on. These values work the best during resizing, which is what your program is doing to all images that are not 100%.

The other thing that it might be is that your RAW convertor is applying Noise Reduction and sharpening to your images as a preview only. These will not be transfered to the converted JPEG. To check your settings check the detail tab in the RAW convertor. What does it say next to sharpening?


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Jostel
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Oct 08, 2007 13:13 |  #9

In2Photos wrote in post #4087958 (external link)
The first thing I notice is that you are viewing the images at odd values. When you view your images these values only: 12.5 %, 25 %, 50%, 75%, 100%, 200% and so on. These values work the best during resizing, which is what your program is doing to all images that are not 100%.

The other thing that it might be is that your RAW convertor is applying Noise Reduction and sharpening to your images as a preview only. These will not be transfered to the converted JPEG. To check your settings check the detail tab in the RAW convertor. What does it say next to sharpening?

Question: You refer to "Raw Convertor".

I do not have anything for processing RAW other than PS Elements 5.0. is there something else I should be looking at or using, or is this OK??

i will go see if i have the settings you are mentioning!! (Thanks!! :rolleyes::oops:)


My name is Joan. Just Joan. :D
If you do not stand behind our Military~~ PLEASE feel free to stand in front of them..

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Jostel
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Oct 08, 2007 13:25 as a reply to  @ Jostel's post |  #10

OK, Step by step:

I just opened a new photo in RAW.

1st: increase view to 100%. ( my gosh, should I increase to 100% on ALL edits??!! cuz i dont!!!!!)

2nd: When in DETAIL, the previews seem to work. But the differences in the adjustments seem very subtle..

3rd: It doesnt say anything next to sharpness. Just the %.. here is a screen print.

IMAGE: http://i145.photobucket.com/albums/r213/joanfstel/RAW1.jpg

My name is Joan. Just Joan. :D
If you do not stand behind our Military~~ PLEASE feel free to stand in front of them..

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In2Photos
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Oct 08, 2007 13:29 |  #11

Jostel wrote in post #4088019 (external link)
Question: You refer to "Raw Convertor".

I do not have anything for processing RAW other than PS Elements 5.0. is there something else I should be looking at or using, or is this OK??

i will go see if i have the settings you are mentioning!! (Thanks!! :rolleyes::oops:)

By Raw Convertor I mean Raw Convertor. ;)

PSE 5 uses the same engine to convert your RAW photos that Photoshop and LR use, only scaled down. It is called Adobe Camera RAW or ACR. This is why a seperate window comes up before the photo actually goes into PSE.

Jostel wrote in post #4088073 (external link)
OK, Step by step:

I just opened a new photo in RAW.

1st: increase view to 100%. ( my gosh, should I increase to 100% on ALL edits??!! cuz i dont!!!!!)

2nd: When in DETAIL, the previews seem to work. But the differences in the adjustments seem very subtle..

3rd: It doesnt say anything next to sharpness. Just the %.. here is a screen print.

OK, you are not just applying settings for sharpness to your previews which is fine. So when you view the images at those increments I mentioned earlier do you still see the "distortion"


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Jostel
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Oct 08, 2007 13:43 as a reply to  @ In2Photos's post |  #12

If I unlclick the preview, will I lose the ability to see what Ive done?? Sorry I seem so dumbfounded on this RAW, stuff, but I am truly dumbfounded!!!

I ALWAYS shoot jpeg, and recently started getting the courage to shoot RAW. NOW, i am trying to get the ooomph to learn to process. The tutorials seem a alittle advanced and confusing. I am NOT a good BOOK student!!! hands on, and step by step with real, live people are the best for me!!!!

I truly appreciate the time you are taking to help me out. :oops::D


My name is Joan. Just Joan. :D
If you do not stand behind our Military~~ PLEASE feel free to stand in front of them..

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Jostel
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Oct 08, 2007 13:53 as a reply to  @ Jostel's post |  #13

OK. I did that. But, when I enlarge to edit in RAW, to the 100%, I lose the rest of the photo. Why?? Do I get it back??? If I like the entire photo, but it shows up at a small %, what do I do????

Here is the latest try.

IMAGE: http://i145.photobucket.com/albums/r213/joanfstel/doveeyejpegandraw.jpg

This is probably the closest yet!!!! Thank you again, so much!!!

I think i answered my own question regarding the preview. Gotta just toggle it back and forth. it does carry over when preview is NOT checked..

My name is Joan. Just Joan. :D
If you do not stand behind our Military~~ PLEASE feel free to stand in front of them..

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70-200 L ; 75-300 IS USM; 10-22; 50mm; Quantaray 28-90 ; 420EX; kenko tube, Tamron SPAF90mm Macro

  
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In2Photos
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Oct 08, 2007 14:01 |  #14

Jostel wrote in post #4088239 (external link)
OK. I did that. But, when I enlarge to edit in RAW, to the 100%, I lose the rest of the photo. Why?? Do I get it back??? If I like the entire photo, but it shows up at a small %, what do I do????

Here is the latest try.

QUOTED IMAGE

This is probably the closest yet!!!! Thank you again, so much!!!

I think i answered my own question regarding the preview. Gotta just toggle it back and forth. it does carry over when preview is NOT checked..

The only difference I see in those two images is what appears to be sharpness applied to the RAW (on the left, correct). I am not sure why the sharpness is not transfering to the JPEG when you hit open though. :confused:


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Jostel
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Oct 08, 2007 14:12 as a reply to  @ In2Photos's post |  #15

Actualy, RAW is on the RIGHT in all of these screen shots. JPEG is on the left.

And I did NOT do anything in JPEG, other than crop down......???


My name is Joan. Just Joan. :D
If you do not stand behind our Military~~ PLEASE feel free to stand in front of them..

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Distortion in saving from RAW to JPEG??
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