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.
508
questions
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1answer
44 views
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 wondering if it could be Lat/Long data?
...
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1answer
43 views
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 (ⓘ) has four sub-tabs: General, Exif, IPTC, and TIFF. The General tab shows ...
0
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1answer
99 views
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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1answer
79 views
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 ...
0
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1answer
41 views
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 ...
3
votes
3answers
66 views
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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0answers
29 views
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:
0 FM0 CR0 Prmid2 mxDrkA2.07 ...
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1answer
162 views
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 ...
1
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1answer
35 views
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 YYYY/YYYY-MM-DD Description/Filename.jpg, e.g. 2020/2020-12-31 New ...
0
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2answers
228 views
What is the best way to align several sets of photos metadata?
For reasons, I do not know or understand, our wedding photographers photos don't have the correct data in the EXIF data. I guess this could have been due to editing, I don't really know.
They used ...
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2answers
87 views
Should I fix an image orientation when creating a thumbnail?
I am a programmer, and I made an app for sharing images. I will not say the app's name because this is a genuine question, not a way to promote the app.
People are starting to use my app, and I have ...
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1answer
80 views
In LightRoom Classic how can I filter all photos which are part of a stack, but not on top of a stack?
For use in other tools I want to write in Lightroom Classic to a photo's keywords if a photo is part of a stack, but not on top of a stack.
For this the easiest would be to create filter which shows ...
0
votes
1answer
98 views
Jpg thumbnail showing larger than the original picture
I recently downloaded a picture from LinkedIn, and something really weird happens with it. Let me just state before that I can't show you the author asked me don't show it.
So, if I do "read ...
0
votes
1answer
37 views
How to add "HDR" to EXIF in Lightroom Classic?
Is there a way to add the fact that an image was crated using HDR to a photo's EXIF data in Lightroom Classic?
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0answers
80 views
Change EXIF format in Lightroom Classic
I noticed Lightroom Classic outputs the Exposure Time in the EXIF data as 0.0025 instead of 1/400. Is there anyway I can change the format?
1
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1answer
363 views
Is there a way to know which camera captured images?
I am a medical researcher, doing research on some medical images. I have some JPEG images, and for a study, I need to include the information on the camera type used to capture those images.
Is that ...
1
vote
1answer
60 views
Corrupted Date Taken
Some of my older images are showing Date Taken later than the actual date that the camera took the image.
The EXIF data shows the correct Date Taken in the field APP12::PictureInfo\TimeDate\...
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2answers
316 views
ExifTool does not extract corrupted EXIF metadata from jpeg file. How to repair it?
The image viewer nomacs offers a quick way to add image notes via Exif.Image.ImageDescription metadata.
After having edited the form for my-image.jpg, I can see this property in nomacs and Thunar (...
2
votes
3answers
120 views
What's the best format for pictures in order to have the most metadata?
Working with a smartphone, I've seen that JPEG shows a lot of information in the EXIF, where PNG not as much. However JPEG does some compression on the image which I'd like to avoid if not necessary ...
0
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3answers
113 views
How can I infer parameters such as distance from metadata?
Is it possible and how can I infer a parameter like the distance or the illumination from the chart, by looking at the metadata of the picture ?
To give some context, I am working on a chart with ...
0
votes
3answers
80 views
Cannot read GPS position from photo
I cannot get GPS position from this photo
exiftool show:
| 8) GPSInfo (SubDirectory) -->
| - Tag 0x8825 (4 bytes, int32u[1]):
| 007e: 00 00 15 fe ...
17
votes
4answers
5k views
How to check if a photo is edited (even basic edits like exposure and white balance)?
A competition I want to participate in demands that they want unedited photos. The submission should not even have basic edits like brightness, saturation, white balance etc
They claim they'll check ...
0
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2answers
122 views
How do I Include IPTC metadata for rights usage terms in a JPEG exported from Lightroom?
I have a metadata preset I created in Lightroom which I use to import JPG files from my camera. In this preset, I provide a text value for the "Rights Usage Terms" attribute in the metadata. ...
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0answers
25 views
How to delete all metadata from all JPEG files in folder using ImageMagick? [duplicate]
I have many JPEG files in folder D:\folder. I want to delete all metadata from all JPEG files in this folder. I used ImageMagick. I made:
magick mogrify -strip "D:\folder\*"
Am I right?
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1answer
129 views
Suggestions on how to create a printout for capturing metadata?
I'd like to print a collection of digital images in a way that would make it easy for someone to manually annotate metadata (people, locations and events).
I've scanned a large number of old family ...
7
votes
2answers
330 views
Is there a standard convention for indicating precision in jpeg metadata timestamps?
Exif timestamps have a format of "YYYY:MM:DD HH:MM:SS", possibly with a timezone at the end.
Is there a general convention for how to handle these timestamps when the known precision is less ...
2
votes
2answers
180 views
Metadata: UserComment, ImageDescription, Description; what's their purpose?
$ exiftool test.jpeg | grep 'This is'
Image Description : This is the 'ImageDescription'.
User Comment : This is the 'UserComment'.
Description : ...
3
votes
2answers
494 views
Why shouldn't raw files be rotated?
When I attempt to rotate a CR2 file in Photo Viewer, a message appears:
That didn't work, RAW files don't rotate. Select edit to rotate and save it as a different file type.
There are many tips to ...
1
vote
1answer
464 views
How can I edit EXIF Data based on the filename?
I've moved all the photos from my phone to PC (something that I did multiple times along the years from multiple phones) and the date taken is different from the actual date or doesn't exist at all (...
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vote
2answers
125 views
How to store the back of a photo in metadata?
I am scanning old family photos. Any suggestions/best practice for storing the information written on the back of photos?
When it's a name or location, for example, there are metadata tags, but often ...
2
votes
3answers
144 views
Should I care about duplicates with different metadata?
I'm in photo-backup-deduplication hell. Thousands of folders organised in a different way, backups of backups of backups. There's no easy way to know what's latest/more important.
I'm using dupeGuru ...
0
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2answers
1k views
Retrieving the original date of a .JPG
I know a similar question was posted here before - which I will provide a link for below - but despite that, the exiftool.exe in the thread could not really retrieve the original date. The file in ...
1
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1answer
174 views
Change EXIF and/or Creation date based on folder name
I have lots of photos with non-existent exif dates where the write date is not correct. The original dates disappeared during a hard drive replacement. But they are in folders with the correct date.
...
3
votes
1answer
159 views
Is there a common subset of exif metadata tags for scanned photographs?
I've recently been scanning a collection of photographs into jpeg files.
I know how to use tools such as exiftool to examine and change metadata tags.
But while I'm easily able to learn the technical ...
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vote
2answers
458 views
How can I rename a large set of photos using their modified date?
My problem is a little bit different from the other that I've seen here. The thing is that I have for example: DSCF0001, DSCF0002 and so on, as filenames with modified dates 2020/01/01 , 2020/01/02 (...
9
votes
3answers
2k views
How to efficiently stop metadata being in my photos?
For privacy reasons, I would like to ensure that any photos I publish do not have any metadata in them. At the moment, I'm deleting the EXIF data via copy-and-paste in Photoshop, which is a very ...
0
votes
2answers
84 views
How do I supply metadata when digitizing a print, slide, and negative library?
A digital camera conveniently gives a file name, has an embedded data/time stamp, has the make model of camera and (usually) lens, aperture, shuterspeed. may have copyright, GPS,
How do I add metadata ...
1
vote
1answer
253 views
Exiftool: batch change date to year specified in directory name
I have my old scanned photographs sorted in folders named by the year they were probably taken (1970, 1971 etc); the folder names are just the plain years without any other text. Is it possible to let ...
1
vote
1answer
212 views
Lightroom "metadata changed" flag stuck for some photos
I'm using the latest version of Lightroom Classic (10.1) on Windows 10 but I think I've seen this issue in previous versions as well.
Lightoom provides a "metadata has been changed" flag as ...
1
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2answers
76 views
What date would this be? 2010 February 12th or 2010 2nd of December? Fiji color Crystal Archive
What is the date on this picture (1129 2010100212 Walgreens)
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0answers
46 views
How to transfer Microsoft Photo Person tags to 'normal file tags'?
How to transfer Microsoft Photo Person tags to 'normal file tags'?
For instance, I found a program called "TagThatPhoto" that has a video about MS Photo Gallery that says it can transfer ...
2
votes
1answer
386 views
Exiftool drops some EXIF tags [closed]
I am trying to copy all the exif information from Canon *.MOV video files into my *.m4a audio files. But some EXIF tags are missing:
ffmpeg -i MVI_5918.MOV -vn -ac 1 MVI_5918_p1_mono.m4a
exiftool -...
2
votes
1answer
231 views
Why does my phone intermittently add Title and Subject attributes?
I have taken a lot of photos, over the past couple of days, using the default 'Camera' App that came with my Huawei Mobile phone. I have since uploaded these Photos to my Computer, via Google Photos.
...
0
votes
1answer
164 views
Set "Create Date" to "Last Modified Date"
I have a few thousand photos in which I need to set "Create Date" to "Last Modified Date", is there any tool that can help me do it automatically?
4
votes
2answers
999 views
How do I use exiftool to strip all exif tags except rotation?
I need the exact opposite of How to remove orientation attribute from the photo without touching other exif-data?
I want to keep the EXIF rotation data, but I want to strip the rest of the data. ...
1
vote
2answers
835 views
Transfer EXIF data from Android to Windows
I have taken over 500 photos on my recent journey and I'd love to code a program that allows me to access the GPS location of every photo and, through GMaps API, show me where the photo was taken.
...
0
votes
1answer
626 views
How to make a JPG files DCF compatible? (command line)
At the moment I use Sony’s Imaging Edge Desktop to make
individual photos viewable in camera. However, this is cumbersome if
there are many pictures.
How can it be done from the command line?
...
1
vote
1answer
100 views
Why might an EXIF DateTimeOriginal be later than photo capture?
As it says in the title, assuming no hacking/malicious editing of EXIF. In my case DateTimeDigitized and DateTimeOriginal are the same if that makes any difference to the potential reasons.
1
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1answer
74 views
Annotating scanned photos so that the results are portable
I've scanned the almost-six-hundred photos in my Dad's family photo albums, but now I need to enter the notes he wrote next to each image, listing people, locations, (approximate) dates, and other ...
3
votes
2answers
382 views
Random EXIF data with same camera settings
I have a few problems with exposition with my Canon 70D: with same camera settings I get random EXIF data for focal lenght and aperture.
This is the setup
Table with white paper as white background....
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