Need some help with exporting jpgs

The_Abyss

The_Abyss

The_Abyss

Soldato
Joined
15 May 2007
Posts
12,804
Location
Ipswich / Bodham
I posted in the main Show your pictures thread yesterday, and was more than a little alarmed at how the photos Id taken earlier in the morning had come out.

When I first converted to jpg, I didn't look at them on screen, and instead I just uploaded them to Facebook. So I then went back to Flickr (where I'd uploaded tifs) and they were the same. Looking at the jpgs on my monitor, they also are the same - much lower quality.

This has started since I updated Lightroom to version 2.7, but I think that is a coincidence only as CS4 also exports them the same way.

I'm using Adobe RGB and it has been suggested that sRGB may be better. However this has never proved a problem in the past.

I've uploaded the original RAW file, the processed DNG file, a lower size tif file (all these are ok) and then a jpg saved directly from Lightroom. As I said, jpgs also from CS4 look the same, and Flickr converts the tif to look the same too -
https://flic.kr/p/7VSwRu
(Also, why is Flickr compressing my images so much? A 400kb jpg is displaying as a 41kb jpg!!).

4547774286_4f7aa9a4e7.jpg


Files are here - http://dl.dropbox.com/u/5076355/1954.zip . Would someone be kind enough to take some time and try and find out where my problem is?

Thanks
 
Just for a quick test I uploaded the .jpg which appears to be fine?:

***Photo now removed, but the .jpg uploaded at correct size etc using Flickr Uploadr (set to not resize).***

I'll remove it shortly! :) What are you using to upload? The .jpg in the .zip s 1600 pixels on the longside, on your flickr it is only 1024 for the original? Sorr missed the .tiff, I get the same results when uploading that. Seems to be a problem with Flickr and .tiffs?
 
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He's got the "pro" tag next to his account name though? Flickr Uploadr can be set to resize?
 
Sorry - I had resized the one direct out of Lightroom to be a little smaller. I have the same issue no matter what the size, as I also tried one at full size too.

I'm absolutely stumped.
 
I don't have Lightroom 2.7 unfortunately as I'm using the Beta (it's free!). Using the Flickr publish tool in LR 3 Beta it uploads a .jpg of the .dng fine, with no undue compression. (Quality as per the publish settings). Any .tif I upload including pictures of mine suffer massive compression in the conversion to .jpg by Flickr. Not a format I've used for upload before to be honest.

Are you saying that even the .jpg you upload is getting compressed by Flickr? How are you uploading?
 
My normal procedure would be to export from Lightroom as a jpg, reducing the size as I go, and then upload to Flickr direct from the website. Seeing the issues I'd had, I tried exporting as tifs (fine) and uploading them - same problem.

I think it may be two problems, and one of them is with Flickr. Why would a 400kb image be displayed there as only 41kb, horribly compressed?
 
Flickr doesn't handle .tiffs very well, it does compress them to hell. I don't know why you are having trouble with the .jpg upload though :confused:
 


Uploaded via desktop Flickr Uploadr, online basic uploader and online uploader (above) click for large. All upload to 400k+ size :confused:
 
The issue has got to be the conversion? All my jpgs upload without compression. I always convert to jpg with an sRGB colour profile prior to upload to Flickr. It's the only way I have got something that is close to my original. Hope you get to the bottom of it.

Also, found it amusing that Rojin whilst very kindly investigating for you uploaded to Flickr and somebody critique'd the photo, thinking it was his, lol!
 
I think it is in the conversion, but also in Flickr too. Why would they be further compressing one of my images so much?

Rojin - thanks very much for all the time you've spent on this, and on a weekend too. I hope the critique wasn't too harsh :)
 
Ok, update and some good news (which may lead to bad).

Having got to work this morning, I checked the images on Flickr and they are ok. Ok as in not horribly pixelated with terrible colours, but still off on the desired colours. So the conversion process is ok, but neither of my monitors at home is.

Something has thrown both of them out big time - I haven't updated anything recently other than standard Windows 7 updates. It is very odd how the images look fine in Lightroom and CS4, but in Flickr and in Windows 7 image viewer they are terrible. I'm thinking this is something browser related now.

It still doesn't explain why Flickr is horribly compressing my images though. I'll try uploading the jpgs tonight instead of the tifs and see where that gets me.
 
I think Flickr naturally expects .tifs to be of a large size, therefore compresses for you. I think its in a bid to stop people wasting space. Sadly this impacts those wishing to use it properly. I always upload as jpgs and have no issue as they remain at the original uploaded size.

Images uploaded to Flickr naturally become slightly desaturated and also additionally sharpened. The desaturation is to do with colour profiles and supposedly the browser not reading the colour profile correctly, although I would disagree with that as uploading the same image to some webspace retains the colour. I think its Flickr which is having the issue reading the colour profile somehow (or something similar). If you set the colour profile to sRGB before saving, its the closest you will get to the original. The sharpening, well Flickr announced they did that ages ago. There was some talk at some point of resolving both these issues, but they never got round to it. There are loads of discussion groups on Flickr about this.
 
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