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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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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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1answer
204 views

Why does the sound seem different when taking picture in RAW vs JPEG?

I'm using Nikon D300. I've just switched image format from RAW to JPEG today. The sound of shutter seems different (faster than in RAW format) although they're as same shutter speed (I know that ...
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1answer
239 views

Extracting unique ID of images [closed]

I messed up my image collection and it now contains a lot of duplications. Unfortunately, the file names are not unique either as the collection is coming from several devices that simply order the ...
4
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2answers
221 views

How exactly is the deeper bit-depth of RAW mapped onto JPEG and the display?

I am trying to understand RAW better. I have a Canon EOS 20D, and shoot in RAW+Jpeg mode. According to the specs in the manual, the RAWs of the 20D are 12 Bit. I understand that this means each pixel ...
3
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1answer
191 views

In Aperture, how can I export the preview of an image or locate the preview file?

I left my referenced masters elsewhere and would like to export the preview itself for sharing online. How can I grab a copy of it? I suppose taking screenshot is one possibility, but would rather ...
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2answers
308 views

How similar is in-camera JPEG processing to own brand RAW conversion?

We know that the JPEG produced by in-camera RAW conversion is very close to that produced by using the RAW converter provided by the camera manufacturer, but how close is it in detail? I'm interested ...
2
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6answers
697 views

why shoot RAW plus jpeg [duplicate]

I understand the differences between RAW and JPEG. But why does my DSLR offer me the opportunity to shoot RAW plus JPEG simultaneously. What benefits does this offer over RAW only, especially since I ...
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votes
6answers
23k views

How can I convert Nikon D5100 .NEF files to .JPG?

I accidentally took some fairly important photos in .NEF (Nikon raw) format instead of my usual .JPG. I tried downloading the ViewNX program to convert the files (as suggested in another posted ...
3
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2answers
313 views

Is there an quicker method (script/plugin) to export sidecar JPEG from Lightroom?

When I import RAW+JPEG in Lightroom I uncheck the option "Treat JPEG files next to raw files as separate photos" because I don't like the clutter this causes. Sometimes I do want to have a sidecar ...
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3answers
6k 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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3answers
3k views

Why do RAW images look worse than JPEGs in editing programs?

I've found that when you load a RAW image into an editing program such as Lightroom/Aperture, the image is usually worse than if you just took the image as JPEG. Now I understand that the camera does ...
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3answers
1k views

Why do I have to convert RAW files to JPEG to open them? [duplicate]

Possible Duplicate: How do I get started with RAW photography? I am a new to RAW shooting and recently bought a Nikon DSLR. I find that only the software which came with the camera can open ...
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votes
4answers
6k 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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0answers
219 views

Why does ViewNX suddenly give an error with NEF files from my D90 but not my D700?

Previously my D700 & D90 have downloaded NEF files to my computer within View NX and I have been able to convert these images to jpeg within this program. My D700 continues to do this. However, ...
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4answers
1k views

Why does Darktable export enormous JPEGs?

I have a Nikon D3200 and just started shooting in Raw. Raw files are 18-24mb, and if I convert them to JPEG using Nikon's ViewNX 2, I get 8-12mb files at the top quality and resolution using sRGB; ...
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3answers
339 views

Lightroom: Print Module or Develop/Export for online printing in specific aspect ratios?

Which is better? Use the Develop module to crop an image to a specific ratio and then export it to a JPEG or use the Print Module and print them to a JPG with a specific page size (aspect ...
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4answers
4k views

What image quality is lost when re-saving a JPEG image in MS Paint?

Has anyone ever noticed that if you open a image in mspaint (.jpg, .jpeg) and then just save it, the image size is reduced by many folds. I use this method to reduce the file size. However, I am not ...
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4answers
137k views

What are the optimal JPEG settings for high-resolution Facebook photos?

With the current facebook photo uploader, what are the optimal settings for uploading high-resolution photos. I process my images in Adobe Lightroom. I'm aware of a similar question asked in the ...
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0answers
1k views

how to repair a corrupt jpeg? [duplicate]

I am putting together a slideshow of 10+ year old digital photos for a slideshow and found that one of my external hard drives has a handful of corrupt jpg images. I was able to copy the images off ...
3
votes
2answers
453 views

Nikon in-camera vs lightroom jpg conversion [duplicate]

I'm just getting started with Lightroom 4. I've been shooting RAW + JPG using my Nikon D7000, but would like to just shoot RAW and then convert to JPG in Lightroom. What's the most efficient way to ...
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2answers
434 views

Is it possible to make a 1-bit (bitonal) JPEG?

I think the answer is no, so I guess what I'm really looking for is an explanation. It seems as though with every library and tool I've tried for converting images, even when all of the pixels are ...
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2answers
272 views

How do I convert/re-compress select photos in Lightroom in-place?

As my Lightroom catalog grows there are some photographs I would like to preserve, but where I don't need all the editing latitude offered by RAW. I know I can convert them to DNG, but are there ...
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3answers
1k views

Does reducing Lightroom export file size reduce image quality?

Sometimes I reduced the file sizes of my jpeg images for faster uploading to the web. Does this reduce the image quality?
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1answer
136 views

Where should I store the metadata for personal images?

I'm adding coordinates, location, country name, my name, url, and occasionally a description to my photos. They are all in the JPEG format. I use them mostly for personal use but give some away to ...
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2answers
238 views

Is conversion to 16 bit needed for good PP results when working on JPEG images?

When working on JPEG files, should I start by converting the images to 16 bit depth? Supposedly that would make for more room for the adjustments I'm going to make on the photos. Two occasions that ...
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2answers
1k views

Saving as PDF with JPG compression vs saving it as JPG

I am creating a booklet with a hight resolutio (more than 4800 pixels height) and I am about to print it. My question is, what is better in terms of quality: Saving each page as a PDF with JPG ...
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3answers
1k views

Should I use Active D-Lighting when shooting Raw?

I understand (ref) that I can do my own post processing to get the same effect that Active D-Lighting gives. But does the in-camera ADL get applied to the raw image data or is it only done to the ...
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3answers
2k views

How can I easily replace raw files with jpeg format in Lightroom?

I only shoot in RAW, but for a normal travel trip I don't want to keep all photos in RAW because they occupy a lot of storage space. Is there a plugin in Lightroom to click a photo and convert the RAW ...
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9answers
29k 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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3answers
671 views

How much post processing advantage is gained when scanning 35mm negatives as TIFF rather than JPG?

I am sending some C41 colour film to be developed. I'm not going to be requesting any prints, just scans of the negative to CD. I can choose between high resolution, high quality JPG or TIFF. The ...
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1answer
239 views

What's the difference between using RAW or JPG with After Effects?

I am making some timelapse videos. And I have around 1500 photos in RAW format. I did some adjustoments in Lightroom and then imported these RAW files to After Effects. But After Effects processed ...
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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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1answer
611 views

Which Windows raw image viewer can only show jpeg, but on delete both raw and jpeg?

I'm searching for an image viewer with the following features: (situation is, that both jpeg and raw are saved) windows (7) support when clicking through pictures only show jpeg when deleting photo, ...
0
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1answer
215 views

SmugMug pixelation in dark parts of jpg from lightroom

I'm new to Lightroom and new to SmugMug, so I'm hoping someone can help me out. I have this set of photos I took of a sunset, shot in jpg, edited in Lightroom to my liking and then published via the ...
2
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3answers
471 views

Is it better to print from jpg or tiff on A2 paper?

I just read the answers here, but if we are talking about printing high quality in A2 format (that's about 16"x23", for those not used to ISO standard paper sizes) on a good printer, is it possible to ...
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7answers
10k 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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2answers
3k views

How to identify photoshop-edited files

If I have saved an image in JPG format after doing some edits, is there a way to identify that it is edited with Photoshop?
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1answer
155 views

Optimal JPGs resolution out of a Point & Shoot camera for storage size and quality? [duplicate]

Simple point & shoots don't produce RAWs, they produce JPGs. Let's assume you have a modern P&S which shoots 16 megapixels maximum in Super Fine, Fine and Normal JPGs. First side question is ...
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6answers
7k 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
721 views

How to scale down images in Lightroom while maintaining quality?

I am working with a product photographer who is having issues understanding dpi and resolution. She is shooting products to go onto a website using a Canon 5D and an ortery box. I have asked her to ...
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2answers
3k views

Is there a way to recover corrupted JPEG files?

I'm wondering if there is a way to recover corrupted JPEG files. They got corrupted because I deleted a folder for error and I promptly recovered it with a recovery software. Most of the photos are ...
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3answers
4k views

Why are my recovered images only 160x120 pixels?

I am trying to recover some lost images, and with all the programs I've tried, some of the photos resulted to be in a 160x120 pixel resolution. What does this mean, and is there any possibility to ...
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2answers
2k views

What software raw converter can convert from .raf to .jpg, replicating the Fujifilm in-camera raw conversion algorithm?

Why I ask for software To perform batch conversion of many existing .raf files to .jpg. Why I want Fujifilm's algorithm, specifically I have tried Lightroom and Silkypix, and both fail to give ...
2
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1answer
265 views

Does Lightroom export white-balance temperature and tint value to JPEG metadata?

When I export a JPEG from Lightroom 3.6, is the white-balance temperature and tint value written in the JPEG file somewhere? Could I later take that JPEG and see (in the EXIF for example) what the WB ...
6
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3answers
225 views

How can I reverse-engineer the RAW conversion settings used in a JPEG image?

I've lost my Lightroom catalog during OS migration. I have couple of JPEGs developed from RAWs and would like to put few more JPEGs from other RAWs in similar mood. Is there a way to reverse engineer ...
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3answers
270 views

Why does LR seem to build a preview for JPEG's as well?

I am trying out shooting RAW+JPEG to see if that workflow is what I want. I am surprised to see that Lightroom still shows the "Loading" text when I zoom in on an unedited JPEG file. I expected that ...
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6answers
8k views

What quality to choose when converting to JPG?

When you export a picture to JPG you can normally choose its quality in a 1-100 scale. I like to keep a good quality but it wouldn't make sense to keep a JPG that will be almost as big as the original ...
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2answers
783 views

Should I shoot in RAW or Fine JPEG [duplicate]

Possible Duplicate: What are the pros and cons when shooting in RAW vs JPEG? I am a beginner hobbyist and am a little overwhelmed by all that is involved with DSLR photography. Having ...
3
votes
1answer
166 views

What does it mean to brighten an image?

Courtesy of my optometrist, I now have images of my retinas. However, the images are a bit dark. I have RGB values for each pixel. In this setting, is brightening the image equivalent to increasing ...
11
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4answers
5k views

Is Lightroom overkill for a JPG-oriented workflow?

I am a passionate not a professional, I shoot most of the time in jpg because: I usually don't have the time to process raw raw takes a lot more space (and I feel my D700 jpgs are huge already!) ...