Questions tagged [metadata]
Metadata is additional data related to a photo, this is usually written by the camera into the image file at the time of shooting but can be edited later. This metadata includes information such as the time and date of shooting, equipment involved and settings used.
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I have 1000+ photos with intact metadata. I want to list the dates taken
I have 1000+ photos with intact metadata. I want to list the dates taken in tabular form with the photo image included. How can I do this?
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Samsung "Scene Optimizer" and EXIF data
Considering this earlier question Is it generally accepted that "Samsung 'space zoom' moon shots are fake" and that some cellphones (e.g. S20 Ultra) use AI to add features?
Leaving ...
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2
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Lightroom Classic synchronize folder fails to import metadata
I have Lightroom Classic 12.4 on my laptop and desktop, and store all my photos on my Synology NAS. I edit my photos locally on my laptop using Lightroom Classic, then (when I'm home) I use Lightroom ...
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How can I determine if this image has been altered in any way?
I need help trying to see if this photo has been messed with in any kind of way.
...
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Obtaining original creation data of photo
I need to obtain the original creation date of a photo taken on a phone. This phone does not store any EXIF metadata.
How can I get the date when the photo was originally created ?
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What might be the reason I cannot see the date a photo was taken in its metadata?
I was sent a .jpeg photo by gmail. It looks like it is pasted into the mail, but it also shows up as an attached file on the mail preview. Opening the mail however, the photo is in-line with the text.
...
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Breaking down the format of the "Y Cb Cr Sub Sampling" EXIF tag
When using exiftool to inspect various images, I've seen lots of different values for the Y Cb Cr Sub Sampling tag. A few ...
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Image metadata contains Focal length and calibrated focal length but the values are different
I have a DJI drone image. When I use gdalinfo -mdd all myphoto.jpg at the command line I can read the EXIF and XMP tags for the image. I see there are two values ...
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Managing time zone data in jpg files for use in Google Photos
I wish to create a Google Photos album which displays my images in the order that I dictate. My problem would not exist if Google Photos would offer the option of sorting images in an album by ...
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How can I use ExifTool to prepend text to image files' descriptions?
I need to prepend text to the description fields of a bunch of jpgs. I found discussions of appending text (e.g., here and here), but not of prepending text. My destination tag is ...
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How do I use EXIF tags to determine the length of an object in focus? [duplicate]
I have an image with EXIF information encoded into it. What I need to know is what information I can use to determine the length of a certain object. For example, are there tags that hold the camera ...
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Which JPG has better quality? And which Exif Byte Order is better?
I have two folders of "the same" JPG images that I made over 10 years ago, when I was a kid, but the size of photos in one folder is different than the other.
The photos were made on my old ...
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How to print GPS coordinates on face of photo with caption/comment?
Is there an app/program that can display the following information on my photos (both when I display them on my Windows 10 PC and when I print them):
The date the picture was taken
The GPS ...
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How can I find detailed Sony Exif codes in a format that I can use
Summary
Where can I find Exif codes of the type shown below that cover all features of my cameras?
(I have mainly Sony cameras but a more general resource would be welcome).
I have too many Sony ...
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Relationship between quad bayer sensor and the CMOS size
I have developed Python code to take an image produced by a DJI drone (and several other GNSS Cameras) and georeference the images. Basically the code reads the EXIF data from the individual images. ...
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propritery SANYO metadata
How does an old SANYO camera store proprietary metadata on JPG that are not part of the Exif section? Like if the photo has the correct date or if it was taken using the hand or smile detection or ...
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Set Date Created from filenames
I have around 4k photos and 1k videos that have no date in metadata because I switched my phones. All of them have the dates in the filenames in the format -
...
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Wrong EXIF data when uploading directly from camera
Given a webform where I can upload a photo I have two different outcomes.
1 When uploading a picture that was taken earlier, the EXIF data of the uploaded picture contains orientation "top left&...
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IPTC vs XMP: how do they differ
I am quite confused by what IPTC and XMP are used for. I understand that EXIF is for technical information about the image, while IPTC is for actual metadata (with respect to the image, not the file), ...
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Lightroom Classic v12.1 error: A change in Develope remove all Fujifilm metadata
Lightroom Classic v12.1 error: Any change in Develope removed all Fujifilm metadata (Exif tags) when saved.
When comparing a jpg file from my X-H2s camera by ExifTool, the following where missing ...
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How can put 2 jpg images side by side in a new jpg without losing metadata or image quality?
I have lots of photos with writing on the back. I've scanned the fronts and backs into jpgs, and now I want to create a single jpg for each front/back pair. The front and back images should go side by ...
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Why does Jhead with the -autorot option fail to fix my photos' orientation?
I have a lot of photos taken with an iPhone SE that are not displayed in the correct orientation when I view them using the Windows Photos app, XnView MP, or FastStone Image Viewer. I never modified ...
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Are there software tools to help analyze EXIF metadata to help guide new lens choices? [duplicate]
I have a zoom lens (18-135mm on an APS-C body) and I am starting to look at options to upgrade to a different lens. I bought my camera and lens together and while I used a different lens (70-350mm) ...
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How to group pictures based on various degrees of image similarity, for the purpose of fixing the pictures that contain incorrect or No metadata
Preface: ( 3 Actions that led to the problem)
I upgrade iPhones every other year and foolishly enabled “delete after backup” from both Amazon and Google photos. In some cases; both at the same time, ...
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Is there an exif tag for face areas?
There is a SubjectArea tag in EXIF. Is there something equivalent for Faces?
https://www.cipa.jp/std/documents/e/DC-008-2012_E.pdf
https://www.cipa.jp/std/documents/e/DC-X008-Translation-2019-E.pdf
...
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How can I change the "time taken" metadata for iPhone HEIC files?
I have some recent iPhone photos with timestamps in the wrong timezone. In Windows PowerShell, ...
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Can I assume the DateTimeOriginal of an image without an OffsetTimeOriginal is already in UTC?
I'm working on an application which will extract some EXIF information from images including when the image was taken. I see that some images provide a DateTimeOriginal but not an OffsetTimeOriginal.
...
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Time zone camera clock was set for does not match GPS timezone
I have a bunch of photos I took with my DSLR. It does not have GPS, so I geo-tagged all the photos using GPS positions I captured on my phone. This part works fine. However, when I upload them to ...
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Programatic way of aggregating focal length metadata across large collection of photos
I am looking to analyze my library of photos to see what focal lengths I use most often, to better inform lens purchasing decisions.
The recommendations I have been able to find online so far usually ...
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Suspect photograph timestamp data has been altered
I received photographs over email from a client which I suspect were taken in 2022 but the client insists are from 2021.
I looked at the metadata, filenames, and date modified timestamps to look for ...
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How do these modern multi-lens/multi-sensor smartphones work?
My last smartphone just had one front lens, so I could understand.
My current phone has three front lenses (and three sensors, too, I guess), so I was a bit surprised, that I had zero control over the ...
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How to update XMP metadata in paired JPGs in Lightroom?
Background:
In my catalog, many photos that were imported as RAW+JPG.
Note that I obscure JPGs in Library View (the default) to simplify my workflow.
In order to export my Lightroom keywords, I have ...
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Incorrect exif orientation on Canon 80D/60D when upside down/180 degrees?
The EXIF orientation tag can hold 8 values for the orientation of the camera. One of the tag values 3, indicating that the camera was turned 180 degrees, i.e. held ...
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What's the best software for reading and writing image tags to and from image meta data fields?
I have millions of images that have had image tags assigned to them by various cv-api's my plan is to generate a data file, that will associate the image file names with the data captured so that I ...
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Migrating away from Picasa - "Write faces to XMP" changes the hashes of images
I want to migrate from Picasa (to digiKam) and to export the face tags. I tried the experimental feature of writing faces to XMP, and noticed it changes the SHA256 hashes of the files, which I want to ...
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What is the term write time referring to?
Date time taken, and date time digitized are the same. Write time is one hour prior.
What does that mean?
Photo was analyzed on opanda.
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Is there any photography website where I could find photos based on exposure time, focal length, ISO...?
I was wondering if there is a site where I could filter photos that were shot, for example, with a certain exposure time and few other conditions.
Is there any photography website where I could filter ...
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Where are Samsung's "Gallery" app's automatic "tags" stored and how can they be used downstream (i.e. in non-Android photo mgmt / dam software)?
Samsung's "Gallery" does a fantastic job at automatically / on its own assigning "tags" to photos, making it easy to find photos with certain keywords (e.g. "sunset" or &...
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Copy DNG/XMP metadata
Years ago I scanned about 1000 negative photos. Now I have purchased a new negative scanner and rescanned all of my negatives.
Is there any way to copy metadata from the old DNG/XMP files to the new ...
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How can I automatically add location from GPS log on my smartphone to SLR taken images?
What software is best for adding gps data to photos from gps log i run on my android device?
I want to do as little manual labor as possible preferrably software does it all for me.
Look at photo ...
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Which tag to set in exiftool (for videos) in order to keep timestamps persistant for display on a (Android) mobile device? [closed]
I recently backed up pictures and videos from my Android mobile phone using GoodSync in order to keep the correct timestamps in Windows. However, I realised that a large amount of files didn't have ...
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Preserving Recovered Images: What is stored in the "UserComment" EXIF tag?
Background
Hello, I was able to recover some images from a broken hard drive. Some of the images seem to have some binary data in the UserComment tag and I was ...
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What metadata fields are shown in the MacOS Preview Inspector TIFF tab?
If I view a jpg in the MacOS Preview app, I can use Tools>Show Inspector to bring up a More Info window. Its info tab (...
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How to calculate object position (lat, long) given exif GPS location of camera phone?
Probably this question was asked, but I couldn't find solution to my problem. I have an image with exif GPS location (which is position of the camera) as well as elevation above sea level. How can I ...
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raw files don't contain EXIF but their JPEG do (Fujifilm X100S)
for many years I shoot with my Fujifilm X100S in both RAW+JPEG format. I just noticed that the RAW files don't contain any EXIF data, but their JPEG counterparties. (Don't know why, I should check the ...
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set EXIF date from filename (uncommon formats)
I have a bunch of old photos that uses weird naming convention..like:
dd-mm-yy_HHMM
yyyy-mm-dd HH.MM.SS
yyyymmdd_HHMMSS
and no "Date taken" field on the EXIF infos. Also, creation date is ...
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How should I store "description" metadata for maximum consistency, visibility, and portability?
I’m embarking on a project to scan our family’s old collection of slides. My plan had been to write descriptive information about each slide (e.g., when/where/why it was taken, who's in it, etc.) to ...
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LG phone camera. How to interpret this EXIF User Comment metadata? "0 FM0 CR0 Prmid2 mxDrkA..."
What do the following numbers and abbreviations mean? Photos taken with LG phone cameras tend to have information like this in the "User Comment" metadata:
...
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How does google photos get timezone and can I change it?
I started using google photos awhile ago to archive my vacation photos. Sometimes I want to change the order of the photos and would simply rename them BUT I also found google photos actually displays ...
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Copying all photos with EXIF Rating >= 4 using ExifTool
I have used EXIF's Rating interval for ranking photos in my collection.
My photo collection is organized in directories in the form ...
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