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.

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605 views

How do I find raw files corresponding to selected JPEGS

I shoot RAW + JPEG on fujifilm cameras and 90% of the time I'm fully content with my jpeg images but a few could use some editing. To save time I would like to cull my photos into three categories: ...
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Convert an image with gimp for 'RGB photometric interpretation' [closed]

I want to convert a .jpg image to a gimp to have the photometric interpretation setting at RGB. It's possible ? Can you tell me how to do it please. Thank you and good day ! That's what i have: That'...
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4answers
262 views

Are there reasons to NOT use Adobe RGB in JPEG/TIFF files and CIELAB in TIFF files?

Back in the day of 256 color displays. We had web safe colors but today nobody uses 256 color systems. These days people are using either sRGB or Adobe RGB monitors and browsing the net with it. In ...
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How can I convert an Apple iOS HEIF image into JPEG?

How can I convert an HEIF/HEIC image into a JPEG? Maybe using ImageMagick?
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128 views

What is this weird JPEG TIFF hybrid image and how can I save it from PS as a normal JPEG?

I have this JPEG image saved out of PS using "Save As" and selecting "JPEG". It's abnormally large for it's WxH resolution Mac Preview's info shows it as an uncompressed TIFF Trying to save it out of ...
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5answers
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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 ...
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2answers
146 views

Is editing metadata of a JPEG destructive to the image?

Is editing metadata of a JPEG destructive to the image? If I edit "File Info" > "Description" in Photoshop, then save.... am I causing the same image degradation as if I edited the image, then re save ...
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1answer
125 views

How to batch convert old NEF photos to JPEG/HEIF with in-camera processing look?

I have ~9k NEF photos from a Nikon D5000 that are currently taking up ~100GB. It's been 8+ years without me touching them, so I don't see a reason to assume I will ever process and edit them. I'd ...
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122 views

Does using M or S size JPEG helps with lowering noise on High ISO?

AFAIK, image sensors use demosaicing algorithms to reconstruct virtual image pixel from different sub-pixels. Does it mean, that on some cameras it could be profitable to use lower-resolution modes to ...
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3answers
138 views

Looking for a fuzzy image comparison tool (not online, but for harddrive search)

I am looking for a programm, that compares screenshots from documentaries with a (very small) number (around 600) of source screenshots (from the footage they originate from). The differences between ...
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1answer
17k 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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3answers
594 views

How to recover the orginal name of picture file .JPG made by device?

I'm wonder how to recover the original name of picture which was made by device (for example Camera or phone)? Is it possible? Let's say that someone make a photo and then change name of the .JPG file ...
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1answer
140 views

How to compress RAW RGB 10-bit data?

This might seem like a general question, however I could not find an answer for. Specifically, I am using a CMOS image sensor that has the following general capabilities: Array Size: 1280 x 1024 (...
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37k views

How to convert JPEG to RAW in Photoshop or similar?

I am having a competition in which I have to submit images in RAW format. But I have already clicked some images with Nikon D3200 in JPEG.Is there any way to convert JPEG to RAW format in Photoshop or ...
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239 views

Can I fix a corrupted jpeg file?

I have some jpg files on an old hard drive, and it appears they were corrupted somehow. When I try to open them it says it's an invalid file type in Windows. I first attempted a couple of repair ...
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How does the usual jpeg 0-100 quality settings translate into Photoshop's 0-12 quality setting?

JPEG encoders usually use a quality setting of 0-100, whereas Adobe photo software uses a 0-12 setting. Does anyone know how to convert between these? (I am actually not clear on whether the 0-100 ...
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4answers
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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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4answers
4k views

Changing JPEG to RAW to use on Lightroom?

Am I able to covert JPEG into RAW so I can treat the images on Lightroom? Reason why is that for years I am travelling and taking tons of pics but my Nikon was programmed only to save in JPEG format.. ...
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2answers
205 views

Fast, lossy compressed, 10 bit image format (Or 12 bit or 16 bit)

I'm looking for an image format to keep my photo archive. Currently I'm keeping compressed DNG + 80% quality JPG. JPG is useful because you can easily convert and manage, is small and is fast to read/...
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47 views

Force Lightroom Classic to write entire image at once during export? (Exporting to network-mounted GCS bucket)

I'm running out of space on my local machine so I've mounted a Google Cloud Storage bucket to my local machine using gcsfuse. I am now exporting my library from Lightroom Classic as JPEG files to the ...
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2answers
81 views

How to determine which jpeg is closer to the original image and has the most information?

I've got two jpegs of the same photo of different sizes and attributes. How can I tell if one is the original taken by an iPhone4 or if neither is the original, determine which has the most ...
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2answers
263 views

How can I extract the embedded JPEG from a CR2 file? [duplicate]

I'm not interested at converting it, but extracting the thumbnail JPEG.
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1answer
59 views

Best image format by Epson Scanner Software to use for Lightroom

Epson scanner app (for V600) scanner let us scan the image with 6 type of output. See the below table: What's the best format I should use to get maximum editing ability in Lightroom?
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4answers
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Why are half the files of a JPEG shoot I transferred from my phone to a thumb drive not recognized as JPEGs?

I put a couple hundred pics on this thumb drive and I have no problems accessing any part of the drive. The only problem is all the programs I have for viewing jpegs say that about half of them can't ...
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8answers
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What is the “optimal” file size of JPEG images with respect to their dimensions?

I plan to write a script that will scan 100,000+ JPEG images and re-compress them if they are "too big" in terms of file size. Scripting is the easy part, but I am not sure how to categorize an image ...
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3answers
5k views

Best program to batch compress JPGs with minimal loss?

My photo catalog is getting bigger and bigger. It's mainly my fault because in my noob years I used to export all JPGs with a 100% quality, point at which files can reach the 10mb mark or even more. I ...
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1answer
40 views

Is it possible to 'fix' an image (with bad colouring/effect applied) based on a smaller thumbnail?

I'm trying to fix some old (as in a few years old, not vintage) images taken by a friend, and have noticed something odd. While most of the pictures appear somewhat over exposed/have strange colours (...
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1answer
221 views

How to save my album as JPEG on Kodak Digi Album Pro?

Objective: Save my album as JPEG on Kodak Digi Album Pro. I am using Kodak Digi Album pro and I'm new to this tool. This program generates a .PAB and .KPL file format, but I want my images to be ...
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6answers
6k 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 ...
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2answers
122 views

Why does the imported JPEG from my Canon Powershot G9X Mark II on PC screen differ quite significantly from the camera display? [duplicate]

Consider the attached sample images. I took them circa 4:50 AM and 3:50 AM, respectively. On the Live View display of the Powershot G9X Mark II, they were full of light. The pictures were taken as ...
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4answers
591 views

How do you identify file type/compression in a TIFF file?

From what I understand TIFF is like the .mkv container for photography - it supports a variety of compressed and uncompressed formats. But how would you go about checking if the data within the TIFF ...
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4answers
10k views

Is it not ideal to save image as PNG for printing?

So the scenario: I want to order a print of one of my images. It is a special image and will be relatively large (a couple of metres) so I want it to be perfect as possible. I have the RAW file, ...
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11answers
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 ...
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1answer
117 views

Why does this ugly line pattern appear when I upload my full-sized image to a website or view on mobile?

I have 5760×3840 size JPEG image and when I upload it to a website or try to view on mobile, some kind of line things seem to be going on it. It looks ugly. I tried to resize the image to 1200X800 and ...
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1answer
2k views

How can I view .ctg files taken from my Canon camera?

How can I see the images taken from my Canon camera. All files are converted into CTG, and I could not open either in the camera nor on the PC.
300
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16answers
58k 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 ...
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2answers
551 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
1k views

Which has a faster write time: RAW or JPEG?

My question is about the write times of the RAW and JPEG file formats. A RAW file is larger than a JPEG and needs more time to write to the memory but it does not need to spend time on data ...
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4answers
28k views

Can I get original JPEG image from CR2 file format? [duplicate]

I am not professional photographer , but i have a professional camera (Canon). I had shoot my pre wedding photos with this camera. So when i was open , it will be converted into black and white after ...
2
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3answers
284 views

How can I make sure my photos aren't damaged after copying them from a faulty SD card?

I’ve copied pictures from my faulty SD card. Most of the photos seem to be ok, but some have big gray parts where originally the photo was. How can I make sure that all the photos that seem to be ok, ...
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2answers
181 views

Can I not use NEF on my Nikon D3100?

When I load my pictures to my computer two show up one says NEF and the other is jpeg. I accidentally deleted the jpeg and when I loaded them on my phone the NEF pictures were really bad. They where ...
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1answer
403 views

Do Nikon sensor jpegs have a very slight yellow cast to them in the image compared to Canon?

I shoot with a Nikon D3400 and I am a beginner casual photographer. I shoot in maximum quality jpeg(NOT RAW) on auto white balance. Recently my friend and I were shooting some same subjects(my friend ...
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14answers
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?
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3answers
836 views

Recover broken images that are corrupt

I had some issues with my computer and sent it out for repairs to a reputable dealer. So far everything came back perfect. I sent it in to be cleaned up and to try and recover some photos that were ...
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2answers
540 views

Why does the chart for my Canon 77D show more photos saved with RAW + JPEG than it does for RAW alone?

so since my camera saves my photos automatically in JPEG and since I wanted to have a RAW version of them I looked for some info about this topic and how it works on my DSLR, Canon 77D. I stumbled ...
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1answer
660 views

What is the relation between image file size and image quality? [duplicate]

Is small image file size means low image quality?what is JPEG image file size of 5d mark iv .Can we achive better image in small image file size?
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7answers
799 views

Is a JPG guaranteed to produce the same pixels?

I know there are plenty of benefits to shooting in RAW, but at the moment it seems that JPG works just fine for me. The file sizes are way smaller, and darktable seems to work just fine with them (...
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2answers
2k views

Does converting image file formats affect quality?

Does converting image formats, such as from JPG to PNG, have any effect on image quality? I know converting from RAW to JPG has disadvantages, but what about other format conversions?
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93 views

What JPEG settings for projection with Epson EH-TW5210?

I shoot in raw and edit with Lightroom. What settings, such as resolution and aspect ratio, should I use to export JPEGs for presentation using an Epson EH-TW5210 Full HD 1080p, 1920 x 1080, 16:9 ...
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2answers
137 views

Editing jpeg with Windows Photo Viewer gives strange results

modifying jpeg images from my Nikon D5500 with Microsoft Photo Viewer 6.1 (Windows 7), I am experiencing strange effects. I would like to understand if I am degrading the images or not. When I rate ...