Not Your Everyday Banana

by Bart Arondson

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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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exporting files from DNG to jpg

I standard convert all my NEF file to DNG for easy access and because all metadata is stored in the file, instead of a sidecar xmp file. When I use export file and the orginal file is DNG I just get ...
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0answers
49 views

Why is there a vertical line on the right of some pictures rotated with exiftran?

I use the exiftran -a -i mypic.jpg command line tool in a script and on some pictures I get a wrong vertical offset, which can be detected as a vertical line on the right of rotated pictures like this ...
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2answers
6k views

How does Darktable compare to Adobe Lightroom for editing JPEGs?

I mostly modify JPG images taken from my Nikon camera. How does Darktable compare to Adobe Lightroom for this purpose?
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3answers
387 views

How can modified images be displayed on a Nikon camera?

I made changes to my RAW images in Lightroom and exported them as JPEG to save on an SD card which I inserted into my camera. When I tried to show the pictures to my family and friends, I got the ...
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13answers
3k 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 ...
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2answers
607 views

Is a JPEG image uncompressed to bitmap prior to displaying it on the screen [closed]

Is a JPEG image converted back to bitmap image when displayed on the screen? Does it occupy more memory than the actual file-size when it is being displayed? Will JPEG images, if added to the ...
2
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3answers
175 views

Why does simply saving a JPEG at 100% quality in Photoshop increase filesize?

If I take a picture taken with my EOS 60D, put it into Photoshop, edit it as I wish and save it as JPEG with maximum quality, the file goes from 5 to 12 mb in size. Obviously if I didn't increase the ...
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1answer
119 views

Why is there such a big difference with these JPG file sizes?

I have 2 nearly identical JPG images that have been processed externally, but one file is much larger (in file size) than the other. I have been looking at all the metadata and embedded information ...
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1answer
79 views

Does Lightroom 5 do any lossless operations on JPEGs?

There are many lossless transformations that can be done on JPEGs: Crop Rotate by 90 or 180 degrees in either direction Flip horizontally or vertically Transpose along either diagonal axis Modify ...
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3answers
1k views

Does JPEG-to-JPEG export Lightroom reapply compression?

I want to crop a JPEG file in Lightroom and export that cropped file to another JPEG so that I can e-mail it. The exported JPEG should have the same quality as the original. I don't have the RAW file ...
7
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2answers
650 views

Make photos on Facebook nicer?

I upload photos to my Facebook page using the latest Lightroom. I'm wondering if there are some tips or tricks, or maybe hidden options on Facebook that makes the images served to the viewers higher ...
3
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5answers
764 views

Is there a way to export from lightroom to multiple formats simultaneously?

I frequently need to photograph my wife's textile works and output the results in several formats. She wants high quality, large jpegs; tiffs; and smallish jpegs for her web site, all of which go into ...
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5answers
22k 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
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1answer
101 views

How to get back from a print to an image file

I manage a growing collection of jpeg photos (27k so far) for my partner. Aside from the time it takes to accurately tag them all (I only have about 7k of them tagged :( ), everything is fine. The ...
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1answer
71 views

Jpeg images are zoomed and ORF files are not in Lightroom 5

I am using Lightroom 5 and imported jpeg and raw images from my OMD EM1 shot with the 12-40mm kit zoom lens. Some of the jpeg images seem to be zoomed while the raw (orf) images are not for the same ...
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4answers
494 views

Online Storage Options [duplicate]

Possible Duplicate: What options are there for good, cheap online backup of data? Prior to 2012 I'd been shooting jpg files and uploading them to Phanfare.com (which allows unlimited ...
47
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7answers
6k 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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4answers
5k 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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1answer
97 views

Repair corrupt photos recovered from a flash memory card [closed]

I recovered few pics from my flash memory card of class 10. Now these photos are not opening in any photo viewer. Images are of RAW and JPG format. When click on image it says "Invalid Image" How do I ...
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0answers
39 views

Does this appear correct? Comparison of PSD & TIFF file sizes when using adjustment layers. [duplicate]

I've been investigating file sizes after noticing my 16 bit TIFF files grow enormously after adding adjustment layers (saving with layers, not flattening). Here's what I found: File #1 (0 layers) ...
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1answer
57 views

Is it possible to extract a JPEG that has been converted into DNG?

It's possible to convert JPEG's to DNG in Lightroom. Is it possible to extract the original JPEG again after conversion (a 1:1 identical copy to the originally imported one) later on?
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1answer
55 views

Corrupted photos [duplicate]

Unfortunately SD Card (Kingston 64gb) that I've used in a photoshoot appeared to be faulty and large part of images taken are simply not visible. However I've been able to copy the files from the ...
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2answers
3k 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 ...
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1answer
7k 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?
2
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1answer
71 views

Can I use Darktable to export unmodified JPEGs without recompression?

To give you context: I shoot in JPEG Import into Darktable Edit some of the pictures Export all the photos for archiving as JPEG That's fine for images I've tweaked. But it would be nice if the ...
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1answer
121 views

Can firmware upgrades significantly increase JPEG quality?

I've been wanting to bite on the new Sony a7 mirrorless full-frame camera, but reviews are surfacing poor JPEG quality compared to other FF cameras. While I often shoot RAW, JPEGs are critical if you ...
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2answers
699 views

DPP output is not sharp

I am using DPP (Digital Photo Professional by Canon) for post processing. Not sure what is wrong with it, but every time I produce an image (.JPEG) out of raw (.CR2) file, it turns blurry. I tried all ...
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3answers
667 views

Is there a tool to check the file integrity of a series of images?

Sometimes when you're downloading an image and the connection breaks mid stream, you are left with a half downloaded image. If you try to view it you get the upper part of the image and the bottom ...
0
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1answer
69 views

Is there a free tool that can set the file time to match the camera time in jpg meta data? [duplicate]

I have a bunch of pictures for which something went wrong during the import (I used Image Capture on Mountain Lion) went wrong and the file time is completely random. The correct time when the picture ...
2
votes
3answers
2k views

Should I use “Super Fine” or “Fine Quality” setting on Samsung S1050 camera? [duplicate]

I have a Samsung S1050 camera. There are three quality settings - Super Fine, Fine and Normal, which I believe relates to the JPEG compression level. I have mainly used Fine in the past, but wonder ...
8
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3answers
2k views

How to delete “unused” raw files which have no .jpg match?

I shoot RAW+JPG, namely NEF and JPG. After viewing sometimes hundreds of images (using a simple program) and deleting the JPGs, I have many unnecessary leftover NEF files. If there was a script to ...
0
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1answer
146 views

JPG Images recovered immediatelly after deleting from SSD, but 95% of files can't be opened

So I have Windows 8. I SHIFT+ENTER accidentally deleted all pictures instead of half. I used global purpose "File Scavenger 3.2" program, which was always working perfect for last 5 years to restore ...
8
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2answers
3k views

Pentax K-5: Is it worth using the Premium JPEG quality setting?

Similar: How do I choose which resolution (megapixel) and compression (normal, fine, superfine) to shoot in? The Pentax K-5 has a JPEG quality setting called "Premium", denoted by four stars, which ...
5
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4answers
1k 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 ...
1
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1answer
196 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 ...
1
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1answer
117 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
votes
2answers
200 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 ...
2
votes
1answer
110 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 ...
5
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2answers
242 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
votes
6answers
364 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 ...
3
votes
6answers
19k 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
votes
2answers
270 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 ...
11
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3answers
5k 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 ...
5
votes
3answers
2k 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 ...
3
votes
3answers
895 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 ...
4
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4answers
5k 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
181 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, ...
5
votes
4answers
940 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; ...
1
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3answers
311 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 ...
2
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4answers
3k 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 ...