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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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
3k 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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3answers
352 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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2answers
183 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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2answers
2k 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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7answers
2k views
How can I easily convert a large number of pictures from RAW to scaled down JPG?
I have a collection of shots from the same session in RAW and want to covert all of them to JPG. Each one should have a curve applied, then be scaled and sharpened using the same settings.
What is ...
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1answer
113 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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1answer
2k 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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2answers
379 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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6answers
3k views
What are jpeg artifacts and what can be done about them?
I know JPEG is a "lossy" compression algorithm that discards information in order to save space. What is the visual impact of this? I've heard of "JPEG artifacts". What do these look like?
Are there ...
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2answers
193 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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2answers
547 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
2k 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
514 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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6answers
2k views
What simple slideshow software would show JPEG images in a folder with alpha blending transition?
Who can recommend me a simple slideshow software that simply shows JPG images in a folder and allows alpha-blending between the slides? I really don't need more than that. The standard Windows 7 ...
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1answer
240 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 ...
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2answers
3k views
How to delete JPG files, but only if the matching RAW file exists?
My early (Canon G2) photos are all JPG, but when I got my Nikon D90 I initially shot in JPG, then switched to RAW+JPG, and now I would like to switch to RAW only.
I have literally thousands of photos ...
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2answers
2k 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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3answers
353 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
...
4
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4answers
866 views
What tool produces better quality jpeg: Lightroom or Imagemagick?
I'm using Lightroom for photo workflow. At the end of it, I would like to have the best JPEG I can get, basically two options to choose from:
- export from Lightroom to JPEG, using the 100% Lightroom ...
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2answers
712 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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3answers
756 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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3answers
3k views
Does Flickr recompress JPEGs after upload?
Does Flickr recompress JPEGs after upload? I know that if you upload a TIFF, for example, Flickr converts it to JPEG. But do they also compress incoming JPEGs?
I've read some complaints about the ...
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2answers
4k views
Are “Windows Photo Viewer” rotations lossless?
Can I rotate lossily compressed photos that I view in Windows Photo Viewer without worrying about losing even more information to compression?
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5answers
1k 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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7answers
4k views
Why don't most cameras support PNG format?
I prefer PNG format to JPG, because JPG uses lossy compression.
When I capture a screen in my PC or scan a picture or document in my scanner, I always save them as PNG format.
If a camera could ...
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3answers
885 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.**
...
10
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3answers
508 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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4answers
723 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 ...
8
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2answers
7k views
Should I use JPG or TIFF for high-quality prints?
I am putting together a photo book. I shot all the photos in RAW. The prints will be 300pi on 13x11 inch glossy paper. I am laying out the pages in InDesign, which doesn't allow me to import and place ...
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1answer
199 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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6answers
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Why store both JPEG and raw?
DSLRs often have the ability to store both a JPEG and a raw file.
Given that the primary benefit of in-camera JPEG over raw is the smaller filesize, and that JPEG+raw is going to store even more data ...
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2answers
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Do jpgs have “layers”?
I have jpg photos with frames put on them which a friend made for me. I noticed when I open the jpgs though, that the image loads first and then the frame loads on top of it (that is, I can see the ...
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2answers
614 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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4answers
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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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5answers
938 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 ...
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7answers
1k 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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4answers
2k 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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3answers
1k 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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2answers
891 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 ...
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2answers
261 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 ...
13
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5answers
969 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 ...
10
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6answers
731 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 ...
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11answers
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Good examples of RAW's advantages over JPEG?
I'm curious to see some real examples of where simply capturing the same photo in RAW (and being processed by someone who can do it justice) has significantly improved the photo at the end of the ...
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8answers
1k 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 ...
16
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2answers
8k 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 ...
10
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9answers
21k views
What were the optimal JPEG settings for Facebook photos in 2010/2011? [closed]
Every time I upload a photo to facebook I'm disappointed; the photos just look really bad. What size do you recommend, dpi, etc? If it helps, I'm using lightroom.
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13answers
2k 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?
