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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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Pi-SOLO image file format

I have one of these Pi SOLO cameras and it's a pretty convenient panoramic (hemispheric view) camera. The software (firmware + app) is still a bit sketchy but will hopefully evolve. The iOS app does ...
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1answer
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What are the “picture control” values shown in EXIF info from Nikon D5500

Exif info for picture control sharpness and hue show large values as seen in attached : eg +-127 or +-124 etc Is this correct and what does this indicate
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Undoing of Whatsapp editings [duplicate]

Is there any genius who can guide me? My question is little unique i hope you can guide me. Lets suppose mr smith has send me a screen shot of his mobile's screen through whatsapp but he used the ...
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2answers
101 views

Photo metadata possible in analog print?

A friend of mine had his passport photos rejected by a consulate on the grounds that they could "detect" that the photos were old. They did not see him in person, since the application was sent by ...
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Copying location EXIF data from phone to camera photos? [duplicate]

Fairly straight forward question and a fairly common scenario I would imagine. I have taken photos with iPhone and digital camera of the same subjects and locations, most of these groups of photos ...
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1answer
35 views

How to batch identify and keyword bracketed photos?

I would like to batch identify and keyword photos that have been shot with the bracket mode on the Fuji XT2 (although I'm sure this applies to other Fuji cameras) to potentially use in HDRs. When I ...
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56 views

How to use ExifTool to copy metadata from a group of PNGs to JPGs with the same base filenames?

I have a bunch of PNGs, which were sourced from scanned photographs with a creative-historical context. I converted them to JPGs so that I could write the DateTimeOriginal tag to them using ExifTool ...
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2answers
66 views

Can I see the specs of the memory card used within the metadata of an image?

I want to see the specs of the particular memory card (or serial number) I used on a particular image. Is this possible?
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2answers
89 views

How to distinguish images compressed by Google Photos vs the original using metadata?

I used Google Takeout to download all of my photos from Google Photos and realized that Google compresses these images 2-3x to give me free storage. This is great, but a lot of my images are stored at ...
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1answer
140 views

How can I batch edit metadata?

I have around 2500 photos from different devices, most of them had synchronized timestamps and properly saved metadata. One device had no option to save a timestamp and metadata (even the filenames ...
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3answers
3k views

Remove “quality” property from JPG

I noticed some photos missing "quality" information in their metadata using ImageMagick's identify command identify -verbose image.jpg How can one remove this info? This is one example
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52 views

ICC version predates ICC datetime

On my photo, the ICC version is 2.0, however the ICC datetime is 2009. Does this mean the device can not predate 2009, and that the photo must have been taken after 2009?
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125 views

How to determine whether a coordinate is inside a geotagged image?

I have a JPEG image with Exif data that I can use to get latitude, longitude, altitude. How can I determine whether a coordinate (latitude, longitude, altitude) is inside or outside the above image?
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Why did ExifTool move photos to a 'nocam' subfolder? [closed]

to clean up my photos before I move them into their final location I sort them. The intent is to separate original photos taken with camera/mobile phone from photos received by other means (WhatsApp). ...
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1answer
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I deleted the EXIF data of my photo, just realised there also is IPTC data, can the date still be seen?

So I deleted all the EXIF on my photo, but found out I left out the IPTC data because never heard of it until I actually saw it still showed a ''date taken'' under the IPTC tab of software (Exifer) I ...
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1answer
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Should I use the same IPTC title on multiple images?

Is it appropriate (acceptable practice; anticipated by the standard) to use the same IPTC title across multiple images? For example: if I go shoot a portrait session for a client, and I create 10 ...
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2answers
2k views

Google Photos high quality backup — how does Google achieve great compression and am I losing some data?

I'm sure that many of us have used Google photos high quality backup which allows us to store photos online without fees. Recently, I thought of testing just how high quality the uploads really were ...
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2answers
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How to remove orientation attribute from the photo without touching other exif-data?

Removing exif-data via Windows file properties does not allow to delete only orientation attribute and removing all exif data removes GPS position also. Is there any way to remove only the ...
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1answer
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Why is the field of view angle from exiftool different from Apple's official values?

I have two series of photos shot on my iphone 6s on 10.3.2. The first series is in the regular frame, and the second series is in the "square" frame. I'm using exiftool 11.01 on macOS 10.11.6. From ...
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Modify exif date/time created to increment photos in a folder by 1 second [duplicate]

I am wondering if anyone has any insight into if it is possible to change the time stamp on a batch of photos in a folder by 1 second. They originally came from a video that I extracted in virtualdub ...
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2answers
588 views

Which color space is used by my iPhone 8 photos?

While my old iPad mini photos say their color space is sRGB, my new iPhone 8 photos tell me their color space is "65535" ("unknown value"). Some sources say this value means "uncalibrated", but that ...
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2answers
224 views

I want to use picture's Metadata so I can search photos (ios)

So below is my original post on StackOverflow. Since I got no answers there I started looking around and found this site. I am pretty much a "photo newbie" . . . given this is a photo specific site ...
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1answer
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Add copyright info on export in Lightroom

I usually prefer not to add copyright information directly when taking photos with my camera. However, when exporting JPEGs with Lightroom, I would like the photos to contain copyright information. I ...
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2answers
203 views

Add EXIF rating to NEF file

I shoot with a Nikon in RAW, which creates Nikon's NEF files. I wanted to rate these (from 1-5). Currently I use ApolloOne on macOS (due to its performance and ability to view both JPEG and RAW files ...
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1answer
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Using copied pictures for website

I have take some before and after pictures for my business. After posting them on social media sites, I generally lose track of the originals that usually are around 4-5mb in size. If I want to use ...
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1answer
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Do analog to digital lens adapters exist (to pass EXIF data to a camera)?

What I'm envisioning is a lens adapter that could be used for multiple (film-era) lenses on a modern digital camera, but would allow you to enter your custom lens info into the adapter so that, when ...
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1answer
64 views

Can I attach metadata to images as they are dropped into folders? I'd like the folder name to be attached to the “Description” field

I'd like to use folder actions to attach the name of the folder images are dropped into in the Description field as Photoshop sees it.
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4answers
145 views

Use phone location data for photos

I used a Canon 6D before which geo-tagged my photos, but switched to a 5D mk III for a while which does not have a built-in GPS. I miss this information a lot. Canon external GPS is expensive and ...
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1answer
159 views

What does the code on the back of this photo mean?

This is on the back of a photo and I'm just wondering what the numbers mean 01680010081001 Line [65] Qty-(1) 7039551 F33 WalMart.com
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2answers
535 views

Picture taken with phone and received from MMS has no metadata?

I received a MMS with a picture on my phone, and I was wondering if that picture was actually taken from my contact phone or something else (like downloaded from any site and then sent by MMS). It ...
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1answer
137 views

Search in metadata on internet

my Canon EOS was stolen and I know serial number. Is it some way how to search metadata serial in google because it is possible that person upload pictures from my Canon on fcb/net Thank you
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3answers
955 views

Why don't Exif tags contain time zone information?

There's no zone information in the capture timestamp. Why?
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1answer
165 views

How to delete unknown exif tags using exiv2

I use following command for remove unwanted exif tags using exiv2: $ exiv2 -M"del Exif.Image.LightSource" image.jpg But if I have unwanted tags that unknown, how can I remove it? I cannot use ...
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Do DSLR Camera's firmware date get set to UTC

I've started scripting the processing of images using EXIF 2.2.1 data. I noticed that all the date stamps are set to UTC (+0000). Today I set my camera to 2018-01-07 15:12:00 and captured an image. ...
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4answers
2k views

How can I prove an edited photo was taken on a particular date/time?

Please help explain this. I have a photo that has the filename containing the date taken. It looks like this when a photo is taken. Does an iPhone or Android automatically name the file with the date ...
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2answers
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Where is a pointer to what metadata each photo editing package preserves?

I'm working on a script that will keep metadata in derivative files in sync with the master file or it's sidecars. One of the mechanisms for this is to give a unique ID to the master file, either as ...
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2answers
817 views

How to copy EXIF metadata on Android from one photo to another?

I'm looking for a way to copy some (say date, location, camera) or all EXIF metadata from one image to another image on Android, so I can restore metadata deleted by some photo editing apps. I ...
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1answer
162 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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Import metadata problem

When I import a bulk of files (that i've already set the correct Title/Subject/Tags) in Lr the Title and Caption fields are the same. Is there any way to correct it? The Title field is correct (same ...
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1answer
76 views

How to copy photo attributes in Lightroom?

Is there a way to copy the photo attributes in Adobe Lightroom? Attributes would look like "Sony α6000 | 16mm | ISO 100 | f/9.0 | 1/125 sec". I would then be able to paste along with the photo when ...
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1answer
140 views

Identifying image sequences in EXIF info of photos created by Panasonic cameras

My Panasonic GX-800 camera writes the MakerNote tag 0x002b Exif.Panasonic.SequenceNumber to the EXIF info. When I do exposure bracketing or make a burst of photos, I can get the ordinal number of each ...
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3k views

Identify date from code on back of print photo

I am digitizing all of my old family photos and was curious if anyone knew how to interpret this code and figure out the date the photo was taken or printed. Either would be fine: Sample Code #1: ...
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4answers
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Is there a way to figure out a lamp's color temperature from a photo?

Let's say we have some incandescent, flourescent, luminescent lamps and LEDs, and there are photos made with different cameras in auto mode with each of these lamps on, and with a white sheet of ...
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283 views

Metadata on pictures

I received the original image file of a picture taken on an iPhone 6 plus. I am interested in the metadata, particularly the dates the picture was taken. I was able to acquire the date the image was "...
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3answers
358 views

Is it possible for jpg images of the same source have different file sizes but the same quality?

I have been using Google Photos as a way of backing up my photos. I noticed recently that they store two versions of any photo I upload, one with the original name of the file, say, IMG_20140328_1143....
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1answer
111 views

Film date stamp to jpeg metadata

I'm scanning a bunch of old prints from the days before digital photography. Some of those pictures have a date stamp in the lower right. Is there a tool that will check the corners for a date stamp,...
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3answers
251 views

What does the “Gain control” EXIF tag mean?

Looking at the EXIF tags on my photos, it seems most of them have a tag for "Gain Control". It seems this is set as either Low gain up or High gain up, or sometimes None. The value of the tag seems ...
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1answer
170 views

Is there an application to match and restore my stripped jpegs' dates to my original RAW dates?

I exported a bunch of RAW pics to jpeg manually, but all the metadata got stripped in the process (my mistake). Is there an application that can match the exported jpegs with the original RAW and ...
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1k views

How accurate are the GPS coordinates in an exif from an Iphone photo and does the exif tag also provide the bearing? [closed]

I am curious about the accuracy of gps data from a regular iphone 7. I am conducting field research and looking for an accuracy of about 10 meters. If that is not possible with the regular photos ...
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3answers
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Why doesn't the focal length in EXIF change when I manually focus my DSLR?

I tried to take several pictures with a DSLR ( Nikon D3200 - 18 to 55mm zoom lens) with manual focus mode. I changed the manual focus randomly and clicked several pictures one after another. I was ...