Questions tagged [file-format]
A file format is a particular way that information is encoded for storage in a computer file.
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Jpg image cannot be opened [closed]
I have an image taken from a Canon digital camera. When transferring the JPG images to the PC, none of them work, they cannot be opened.
Could you check if you have any fix options? I used several ...
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Exporting from LR is suddenly saving much smaller files
Last week when exporting from LR with quality set at 100 and pixels per inch at 300 a file would export around 25-28 MB, today when exporting I noticed the file sizes are much smaller with the exact ...
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Edit an image's data so that a digital camera can read it
Context
I have a Polaroid PoGo Zink printer (link to manual) that I would like to print an image on. Unfortunately I cannot get the Bluetooth to connect succesfully to any of my devices, so I am ...
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How to view images from diskette containing .IDC files from the late 1980s?
I had a friend send me five 3½-inch floppy disks containing .IDC files. The dates on these diskettes indicate they were taken in 1989. These diskettes are all structured the same, as they contain ...
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Which non-raw formats have the same capabilities as raw?
There's plenty of "raw vs jpeg" stuff out there, but no one ever seems to talk about other formats like TIFF (16 bit, uncompressed or lossless compression).
When color grading or doing ...
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What is a .webp file?
I am accustomed to using old file formats. For example,
.JPEG
.BMP
.GIF
Beginning in the ...
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Can you "open" RAW camera files? [closed]
I was having a conversation with my father who used to be a photographer, and I said “when I open a raw file…”
He interrupted me and said, "you can never open a raw file, the editing software ...
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Is SSD a safe replacement for HDD image storage?
Every small M.2 SSD (solid-state drives) is increasingly replacing HDD (hard disk drives) in new PCs for file storage.
SSD is proven to be better for image editing, but what about image storage? Is a ...
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Create a image file format with dynamic resolution to better resemble the human perception? [closed]
Would it not be great to have a dynamic image resolution to better resemble the human perception of things? It would be made so that the photo would be taken with different zooming levels and then all ...
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Apple Preview vs. GIMP, Photoshop, Bridge etc. as PNG/TIFF to JPEG converter
I have a bunch of PNG and TIFF files—scans of old family photos and documents. I will keep them as archival masters, but for the purpose of online sharing I am creating JPEG's from these files. The ...
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Why is this jpg 0 bytes and websites often can't upload it? [closed]
I have a certain cellphone with a Gallery app that makes so-called 0 byte files. In fact the file you're looking at is one of them. So maybe somebody could tell me what's the matter with the format?
...
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How to prove if image was taken on film camera?
Medium format and 35mm film cameras have a distinct look that even film emulators in image editors for digital photos can't replicate.
Putting a digital photograph of Scene A next to a film photograph ...
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Is jpeg or png the standard for fine art photography?
Is jpeg the predominant file format for fine art digital photographs, or what advantages would png have quality-wise that jpeg doesn't for photography, given that it takes up much more hard drive ...
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How to save Darktable edits as a file?
Darktable is a non-destructive photo editor that exports to jpeg, png and .xcf (whatever that is, but seems to be the Gimp file format), but doesn't save a workfile containing all the individual ...
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What advantages do 16 bit depth photos have over 8 bit photos?
Someone said that 16 bit photos can sell for more money than 8 bit photos. But doesn't that depend on the camera used: Anyone can convert an 8 bit file to have 16 bit, which isn't authentic processing....
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Why does a 16 bit depth photograph export as 48 bit depth?
When exporting a PNG file of a photograph as 16 bit depth in Darktable, its Windows 10 file information ends up saying it has 48 bit depth!
Similarly, the default 8 bit depth when exported comes out ...
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Image properties for social media?
My experience of social media is extremely limited, but I have occasionally been asked by a group to send them an image for use on their media. Sometimes as non-technical people only used to mobile ...
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What are the benefits of CR2?
Once friend made few photos for me. Park, people have rest. Friend gave me photos. Every photo was in two formats - TIFF and CR2.
TIFFs I use for editing, storage. From TIFFs I make JPEGs for blog.
...
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What exactly a Raw Image format encodes? [duplicate]
Ok, I have in mind that a picture P can be represented by a two dimensional matrix A where each element of A (aka every pixel) is a vector with four coordinates (Red,Green,Blue). What extra stuff is ...
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How do I grayscale an MPO stereographic image file from a 3D camera? I want to use it as input for a CNC carvings
I had/have a 3D camera back in the day, and got a few 3D pictures. I kinda stopped using it since there wasn't anything I could do with the MPO (Multi Picture Object) files. However, the 3D camera ...
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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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How do I make my image comply with the requirements of this photography competition?
I am participating in a photography competition. There is something that I want to ask you about:
We may require the originals of the awarded photographs to be submitted by the relevant ...
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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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Can RAW image files deteriorate over time?
I was at a photographer some time ago, shot some photos of my son and came back to view and select a range of images, some of which I wanted to print, and some of which I wanted and to receive by file ...
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File formats for stereoscopic 3D images
Years ago I got into cross-eyed 3D photos and I've made a good few of them. Not many people are willing to spend the few days and eye strain to learn the viewing method, though. With Google Cardboard ...
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How can I detect if two files are actually the same image? [duplicate]
Let's assume a JPG file (or any other image/video file format), that I duplicate the file, and I modify the tags on the copy. Is there a way to verify that the image inside both JPG files is actually ...
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What does an unprocessed RAW file look like?
I know people use fancy software like Lightroom or Darktable to post-process their RAW files. But what if I don't? What does the file look like, just, y'know, RAW?
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Is there a way to get smaller TIFF files?
I'm working with canon CR2 RAW files. My images usually have 30MB when I import into Lightroom, but when I bring into Photoshop for an adjustment and get back to Lightroom the TIFF file generated is ...
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How to make my panorama interactive?
This panorama is interactive, this isn't.
How do I make my panorama interactive? I guess it's either an EXIF flag or a specific format. Ideally I'm looking for something free which works on Linux. ...
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Seeing the difference/losing information when comparing different formats
You can hear the resulting loss of sound information when you invert an mp3 in an audio tool and mix and render it together with the wav format. You can now hear the difference between the mp3 and the ...
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DSLR suddenly switches from RAW to FINE
I've noticed that sometimes my Nikon D3400 suddenly "decides" to switch from RAW to FINE (most of the times it happens when I take the SD card out, but I don't really understand why). Is there ...
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Is the Preview file always the photo taken by the camera?
When I take a photo with a digital camera (I own many*), I can preview it with the ▶︎ button.
However, sometimes, cameras will displays a Preview photo that seems of a different quality than the ...
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Should I resize photos before or after image optimization?
I am a software dev who appreciates stunning imagry in sites I build, but am also very conscious of page size. My workflow has me adjusting image sizes to the maximum resolution they will be displayed ...
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Aren't all digital images ultimately just pixel values between 0 - 255?
I have a few incredibly basic (stupid?) questions about images; specifically, image formats and pixel values.
Forgive me, I'm not a photographer. I'm just someone that works with images, and to me, ...
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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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How to represent and print very large for example 100000 X 100000 pixel image?
1. How are very large (for eg. 100000 X 100000 pixel) images represented?
JPEG's have a file size limit of 64k X 64k pixels. What is the standard format to save very large images?
2. How are very ...
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Does FITS file format contain color information?
I am trying my hand at astrophotography.
I am using the software Siril on Linux to stack my images. This software uses the .fit file extension (for the FITS format)...
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How can I losslessly extract 2D image from a stereoscopic JPEG?
I have some JPEGs captured from a Nintendo 3DS via Miiverse and would like to optimise them for the web.
The images are 2D but stored as a stereoscopic JPEG, so each file ends up containing the same ...
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How are 360° photos stored and processed?
While looking up 360° photos I found a lack of information about how the images actually work, I found some info suggesting that the images are stored as a regular jpeg but I was unable to find the ...
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Problems with HDR regarding bit depth and file type
When I merge my brackets with Lightroom it's always 8-bit and in HDR Efx Pro 2 it's also in 8- or 16-bit.
When I use PS to merge brackets I can convert it to 32-bit but then I can't post-process it ...
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What makes RAW files difficult for manipulation?
The only available tool able to create a RAW file is, as far as I know, a camera, and there are no standard tools to manipulate it. I've heard that's why RAW files are used in different photography ...
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Why does an X megapixel sensor produce X MB of data (in image files)?
Suppose I have 1 mega pixel sensor, it means I have 1*10^6 (1 mega) pixels.
If and only if each pixel represent the density of his color in 8 bit depth, so 8 bit = 1 byte, means each pixel is 1 byte
...
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Which file format is recommended for black and white photographs?
In which file format should I shoot black and white photographs?
Everything I found on the internet was about black and white image scans and general image file formats.
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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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Is there a file format that supports adjustment layers, that I can edit in Lightroom and doesn't double the file size?
I'm working with some big .psd scan files that have just 1-2 adjustment layers.
These files are going to be further edited and managed in Lightroom. To both keep the adjustments and but have ...
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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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What's the difference between S LOG and V LOG [closed]
I know what logarithms are, what shooting RAW is, and how storing images logarithmically increases details in shadows.
But what's the difference between "S log" and "V log"?
I've also seen mention ...
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How do I create a bracketed file for Aurora HDR software?
I have a Samsung J7 phone and the Aurora HDR software and tried to create an HDR image file with the phone. The phone has an HDR mode in the camera app. The software requires a bracketed file to do ...
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How can I preview photos from camera on laptop?
When I import photos to my laptop, windows 7 they are saved in a folder by month. When then clicking on the folder it opens up the individual photos but they all show a 'flower'symbol and I have no ...
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How can I capture RAW files with an iPhone?
With iOS 10 coming to iPhones starting today, I am wondering how exactly RAW capture works with the new OS. Are RAW files available only in third party apps that add that capability, or does the built ...
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