Questions tagged [jpeg]
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.
332 questions
4
votes
2
answers
16k
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 ...
- 41
5
votes
3
answers
657
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
...
- 642
7
votes
4
answers
2k
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 ...
- 229
5
votes
2
answers
8k
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 ...
- 5,622
5
votes
3
answers
1k
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 ...
- 5,622
17
votes
3
answers
10k
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 ...
- 706
62
votes
1
answer
20k
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?
user5306
30
votes
5
answers
4k
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 format?...
- 303
62
votes
7
answers
24k
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 ...
- 653
20
votes
3
answers
11k
views
Why does JPEG quality go up to twelve?
Wwhy does the JPEG quality option in Adobe products 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.
- 5,044
12
votes
3
answers
2k
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, ...
- 315
22
votes
6
answers
7k
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 dpi=...
- 1,097
21
votes
5
answers
256k
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 ...
- 1,290
4
votes
1
answer
277
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.
user4512
35
votes
15
answers
14k
views
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 ...
- 12.4k
10
votes
4
answers
21k
views
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 ...
- 203
2
votes
2
answers
3k
views
Is it possible to use the Photoshop CS raw editor for JPG files?
I would like to use the editor that opens in PS CS5 when you open a Raw file.
I would like to use it on a jpeg file as I find it extremely useful to get the right colouring.
Is it possible?
- 123
1
vote
2
answers
4k
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.
user3720
10
votes
4
answers
16k
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?
user3720
4
votes
5
answers
3k
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 ...
- 171
32
votes
8
answers
8k
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 ...
- 1,411
13
votes
4
answers
24k
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 ...
- 365
4
votes
3
answers
3k
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 ...
- 1,889
8
votes
2
answers
2k
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 ...
- 1,838
9
votes
2
answers
588
views
Is there a middle ground format 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 ...
- 761
18
votes
6
answers
7k
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 ...
- 1,216
17
votes
11
answers
3k
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 ...
- 10.7k
310
votes
16
answers
62k
views
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 ...
- 9,772
14
votes
8
answers
4k
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 ...
- 243
22
votes
3
answers
23k
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 ...
- 333
11
votes
9
answers
33k
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.
- 711
45
votes
14
answers
9k
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?
- 1,413
Hot Network Questions
- Is the byline part of the license?
- How can I mark PTFE wires used at high temperatures under vacuum?
- Are integers conservatively embedded in the field of complex numbers?
- What did Gell‐Mann dislike about Feynman’s book?
- Why did Crimea’s parliament agree to join Ukraine?
- Why is second inversion of a C major not a different chord?
- A website asks you to enter a Microsoft/Google/Facebook password. How do you know it is safe?
- Are pigs effective intermediate hosts of new viruses, due to being susceptible to human and avian influenza viruses?
- How do nonclustered columnstore indexes in SQL Server handle linked updates and deletes with rowstore tables(either heap or clustered index tables)?
- If someone falsely claims to have a Ph.D. on the jacket of a book and they profit from that claim, is that criminal fraud?
- How manage inventory discrepancies due to measurement errors in warehouse management systems
- Law of conservation of energy with gravitational waves
- Knowledge of aboleth tentacle disease
- How to cut steel without damaging the coating?
- I want to apply my Canadian passport urgent service to pickup in 3 to 9 days
- Using PyQGIS to get data contained in the "in-memory editing buffer" of layer that is currently being edited
- How to permute p-values?
- Can I buy a stock without owning it?
- How do I fix a MODULE_NOT_FOUND error for a module that I don't manually import?
- How does innovation deal with the problem of different connections in NEAT?
- How to politely point out I need a written agreement for paid work?
- Is it a crime to testify under oath with something that is strictly speaking true, but only strictly?
- Cookie cutter argument for nonphysicalism
- Could the Romans transport a Live Octopus from the East African Coast to Rome?