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JPEG is an adjustable "lossy" compression method commonly used in digital photograph. The most common filename extensions for images using the JPEG format are .jpg and .jpeg. Compare to alternative image formats such as TIFF and the various RAW formats.

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6
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2answers
656 views

Should I care about jpeg2000 (and does anyone else)?

I know the question is a bit subjective, what I'm after is if there is enough improvement in jpeg2000 and enough support in software (image viewers, browsers) to warrant using it.
12
votes
4answers
3k views

How to avoid jpeg compression artefacts when saving photos in web resolution?

When I save a web-resolution image (for example, 1920×1024px), flat areas tints often have damaged shades of color. I'm saving in Photoshop CS4 with quality 2 in standard mode, because I need the ...
5
votes
2answers
683 views

How to/Best Methods to Correct Washed Out JPEGs?

I have many photos that have that washed out look about them and some that are completely blown out. These photos are JPEG only and were not taken (or I do not have) the RAW file. I currently attempt ...
2
votes
3answers
4k views

Should I use RAW or JPEG for wedding photography?

I am about to shoot in a wedding ceremony and would like to know, Should I shoot in RAW or JPEG? I asked a photographer (outside the US) and he said converting RAW into JPG changes color (or ...
11
votes
6answers
895 views

Can in-camera JPEG have image quality advantages over (third party software) converted RAW?

Question about RAW advantages over JPG made me curious if somebody has examples where in-camera JPEG is actually image quality-wise better than RAW image converted in computer (possibly by third party ...
1
vote
1answer
263 views

What are the differences of bringing RAW or JPEG into Photoshop?

Most of my images are in RAW format. When I bring an image into Photoshop, does it make a difference whether it's a JPEG or RAW? I understand the difference between JPEGs and RAW images. I'm just ...
4
votes
1answer
212 views

How do I export JPEGs from Lightroom without the grey/black box around each picture?

How do I export JPEGs from Lightroom without the grey/black box around each picture? This is really frustrating me. I know there has to be a way to do this.
1
vote
1answer
633 views

Why are colors different between RAW and JPEG when both are viewed in Lightroom?

Yesterday I was shooting images of trees that were wrapped in the beautiful baby lights that stores put in holidays. I noticed, when I went back home and checked my photos, that there is a slight ...
4
votes
2answers
3k views

Why does Photoshop show my JPEG files unusually large?

I recently opened a jpeg and a tiff of the same subject in Photoshop CS3. They both were made with a Nikon D300, and both had a file size of almost 35mb. If I checked the image info it said the jpeg ...
5
votes
3answers
399 views

Is there a one-click technique to create a “better” JPEG from RAW than the in-camera JPEG?

When looking around at HDR and Tone Mapping, and looking at the examples on the Photomatix homepage, I see examples that read: Result after applying the Tone Mapping tool (Original RAW file ...
17
votes
4answers
1k views

Does the dpi number reported by camera in JPG have any meaning?

I have two cameras, a 6mpix Panasonic FZ8, and 14mpix Canon A2200. When I compare shots from two cameras, one of differences I notice is dpi number that camera reports in JPG info: FZ8 reports ...
5
votes
2answers
1k views

How to reduce the effect of bright day light in the photographs?

This photograph was taken at around 9:30 AM. The sunlight was bright. I can't shoot in raw. I have adjusted the brightness and the contrast by which at least the tree is appearing brighter. Look at ...
5
votes
3answers
943 views

What settings should be kept in mind while shooting a jpeg photo in order for it to be edited later on?

Canon PowerShot SX210 IS doesn't support RAW format, so I don't have a choice w.r.t shooting in Jpeg format. Do we have some special camera settings that we shouldn't touch or should set in some ...
7
votes
2answers
954 views

Why is the pixel count of RAW images from the Panasonic LX5 slightly larger than the generated JPEGs?

I'm new to working with RAW images, and I'm capturing simultaneous RAW+JPGs with my new Lumix LX5, and using Bibble to view/process the results. I'm very surprised that the RAW images taken at 24mm ...
12
votes
8answers
2k views

Best way to import and save when shooting in both RAW and JPEG?

I currently use Picasa to manage my photos and when I import my photos I see "doubles" because I'm shooting in both RAW and JPEG. I'm currently moving my raw photos manually to a folder outside of ...
15
votes
3answers
1k views

Why does JPEG quality go up to twelve?

This question may be a little off topic, but why does the JPEG quality option go up to twelve? Here's the option in the Save dialog of PS: Thats a whole new definition of it goes up to eleven.** ...
11
votes
3answers
619 views

Should I convert RAW to jpeg before making an HDR?

I've been going back and forth with this. I've been looking more into working with some HDR to just get a feel for the process. I have a 500D and I'm using exposure bracketing to take 3 shots. 0, -2, ...
19
votes
2answers
11k views

How does Picasa process RAW photos?

How does Picasa decide how to process RAW photos? When I shoot in RAW+JPEG the two pictures can look dramatically different. Is it just converting the RAW files upon import, or is post-processing ...
1
vote
2answers
899 views

Get components stream Y,Cb and Cr in photoshop

Is there a way to get the component images corresponding Y, Cb, Cr in photoshop. I just need to combine them in layers to see how they form the original image.
4
votes
5answers
1k views

Is sips lossless when used for JPEG rotation?

I am organizing a group of old images on OS X. Many are JPEG and predate the EXIF tag for camera rotation. Of course, many tools degrade the image (Question '10') if you edit the image. It is possible ...
8
votes
2answers
288 views

middle ground between RAW and JPG?

JPG files use 8 bits per color per pixel (I've never heard of any camera that uses the alleged 12-bit-per-color-per-pixel extension) and is a compact way of storing images. RAW files are huge but ...
14
votes
5answers
2k views

Fix photo timestamps?

I took a bunch of pictures, and when I loaded them onto my PC, I discovered the time on my camera was set incorrectly. Now this normally wouldn't be a problem...but I am combining pictures from ...