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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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Help! I have corrupted Jpeg files and I want to get them back to normal!

Ok, so here's what has happened. I was in the middle of uploading the photos from my Sony memory stick (I used two different sony cameras with the same memory stick) of my vacation, onto my computer, ...
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1answer
351 views

How can I export TIFF images to JPEG with no adjustments, using Lightroom?

I use Lightroom (version 3 now, probably 4 soon) to work with my raw images. When exporting to JPEG, Lightroom applies a number of adjustments, even if I leave all the settings at the default. This ...
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4answers
4k views

How is the YCbCr color space represented in a JPEG image?

I know that a 24 bit image dedicates 8 bit each for R, G and B. Is it just for RGB color space. In YCbCr color space for a 24 bit JPEG image, how are the bits distributed?
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3answers
2k views

Can I combine RAW & JPEG after import in Aperture?

I'm trying out Aperture; I have a hefty collection of photos in iPhoto, and for a few reasons, it's not cutting it for me anymore. I recently started shooting RAW+JPEG on my camera. I see that ...
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12answers
4k views

What are the pros and cons when shooting in RAW vs JPEG?

In general shooting in RAW format uses a lot more file storage than JPEG. What am I gaining when shooting RAW? Besides file size are there any downsides to shooting RAW?
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2answers
327 views

Raw versus JPG Images with a DSLR [duplicate]

Possible Duplicate: What are the pros and cons when shooting in raw vs JPEG? For typical family photos, with a Nikon D5100 DSLR, is there any reason to shoot RAW images rather than the ...
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2answers
4k views

Why do I get two JPEG files instead of RAW+JPEG when transfering to my computer from my Nikon D5100?

I have a Nikon D5100 and I want to shoot RAW and JPG at the same time. I select RAW+N (RAW plus Normal Size JPG). Now when I export the shots to my computer I end up with two files called DSC_0123 ...
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5answers
1k views

What is a simple and effective method to sharpen for web output in Photoshop?

In Photoshop, I've got a master PSD image file with all mask and adjustment layer treatments, but no sharpening at all. I save for web and create a JPG at 1200px. Now, I bring that file back into ...
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2answers
420 views

Good compromise on quality/compression for hi-rez photographs?

My Nikon D90 dumps out photographs that are 4288 x 2848 @ 300 DPI. They're about ~3 MB in size. I'm an amateur in every sense of the word. I don't know what 75% of the camera settings do. I'm ...
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3answers
4k views

Is there are any difference in quality between Large Fine JPG and converted NEF?

Assume that I do not want to do any post-processing, such as white balancing, etc. I would like to preserve the best resolution (for possible cropping). So the question is: Are there any quality ...
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2answers
3k views

How to import metadata from extermal .xmp sidecar file when importing .jpg files into Lightroom?

I have thousands of image files that I want to import into Lightroom. Some of the files are .nef, some are .jpg, .tiff, and other formats. If I have file1.nef and also have file1.xmp in the same ...
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votes
1answer
424 views

JPEG XR Plugin for Photoshop Elements 10?

I think I took a neat picture of a butterfly that I just used PSE10 to cut out of its background. Now, I want to package the butterfly as "free" clipart using appropriate tags to preserve my ...
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votes
1answer
700 views

How do I evaluate a camera's JPEG tone curve options when the manufacturer only provides flowery prose?

There aren't many options for RAW development for the Fujifilm's X-Pro 1 because of its unique sensor layout. However, Fujifilm has clearly spent a lot of time working on the in-camera JPEG results, ...
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2answers
7k views

Why do my sRGB exports from Lightroom look different from RAW files shown in the program even though my monitor can only show sRGB?

I have read tons of docs about color management over the Web, but there is something I can't understand. I have a screen that can only render the RGB color space. It is very well calibrated using ...
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1answer
671 views

Does reducing JPG resolution decrease, increase, or have no effect on image quality?

I'm getting ready to download a bunch of images from microstock photo agency Dreamstime. I'll eventually want most of the images in the 400x300 pixel range for my website when I'm done working with ...
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3answers
351 views

What is the difference between the different ways to export JPEG files from Photoshop?

Photoshop allows you to save the processed image as JPEG in two ways. Save As and Save for web. I have observed that Save for web gives more options like converting to sRGB etc. I have also observed ...
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3answers
184 views

Does size reduction in a fine quality JPEG photograph introduce noise?

Does size reduction in a fine quality JPEG photograph introduces noise? I use Gwenview to reduce the size of the JPEG photographs. Does that cause some noise introduction?
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1answer
6k views

How to know when a digital photo downloaded from Facebook was taken?

A photo from Facebook. I am using MS Windows 7. I tried a few online EXIF viewers and downloaded a few. None of them show me the date the photo was shown, but some agree on the ICC profile data/time ...
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2answers
215 views

Why does Adobe Camera Raw 6.4.1 offer different White Balance for different photos?

I am using Adobe Camera Raw v6.4.1 to view my Nikon d-90 photos on my computer and when I go to change the White Balance, for some photos I only get the choices: As Shot Auto Custom Yet for other ...
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3answers
555 views

How can I work around Photoshop Elements 7's inability to open JPG files from my Android phone?

I copied some photographs that I took with my Android phone to my laptop. When I tried to open them with Photoshop Elements 7.0, I received the following error message: Could not complete your ...
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7answers
2k views

Why can I adjust the white balance of a RAW file but not a JPEG file?

I recently started setting my DSLR to save RAW files, and using Adobe Lightroom to process them. I still, however, use my little point and shoot camera a lot which does not have an option to save RAW ...
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2answers
220 views

Why are my Lightroom 3 developments displaying in some applications but not others?

I'm shooting timelapse photos in JPEG and Ive imported them using Lightroom 3. They were initially upside down so I flipped them around added some exposure and saturation adjustments. I selected all ...
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1answer
3k views

How do I decide between “RAW as Master” and “JPEG as Master” when importing RAW+JPEG into Aperture?

I guess this comes down to an Aperture question and a more general post-processing question. I've been shooting RAW+JPEG and importing both to Aperture with the RAW image set as the master. But I've ...
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5answers
2k views

Why don't cameras support JPEG 2000 format?

The original JPEG format was updated in 2000 to provide a variety of features including less artifacts, better compression and lossless compression. Why haven't cameras updated to use this new ...
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1answer
120 views

Is it possible to set the year instead of a complete creation date in a JPEG?

I use iPhoto to manage my pictures. Unfortunately I have many pictures from the 80s. These pictures are actually slides that I have scanned in during 2008. So my problem is that the creation date of ...
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2answers
930 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.
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4answers
4k 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 ...
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2answers
798 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 ...
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3answers
5k 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 ...
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1answer
269 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
222 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.
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1answer
717 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 ...
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2answers
4k 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 ...
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votes
3answers
430 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 ...
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4answers
2k 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 ...
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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 ...
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votes
3answers
982 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 ...
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2answers
1k 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 ...
13
votes
8answers
3k 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 ...
11
votes
3answers
699 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, ...
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2answers
12k 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 ...
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2answers
1k 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.
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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 ...
9
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2answers
304 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 ...
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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 ...