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.

15 questions with no upvoted or accepted answers
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Calculating EV of an image file using its exif data

I'm trying to calculate the EV (exposure value) for an image file based on its exif data. In Wikidepia, I came across this formula for calculating EV: EV = EV100 + LOG(S/100, 2) = LOG(N^2 / t, 2) +...
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4answers
385 views

Is there a digital camera that is able to save people bounding boxes?

I am looking for digital cameras that are able to recognize faces(automatically or by user input) and save those as tags in XMP using either Microsoft Photo 1.2 Schema or Metadata Working Group - ...
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1answer
60 views

How to embed an ID in Pixel 3a EXIF data?

My wife and I both use Pixel3a phones so we are not always sure which one took which photo. Is it possible to embed some information into the exif data on one camera for use later as id. thanks
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0answers
220 views

Is there a way to batch-edit metadata in the Mac OS Photos app?

I've starting using the Photos app built into Mac OS (El Capitan). I appreciate the great integration with iOS/iPhone and iCloud. However, I'm not seeing any features that will let me make significant ...
2
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0answers
97 views

How to filter photos in Lightroom 6 by EffectiveMaxAperture EXIF tag?

I shoot with different non-CPU manual focus lenses and use LensTagger (Lightroom plugin) to write full lens name into EXIF. I also set up different MF lens "profiles" (called "non-CPU lens data" by ...
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0answers
232 views

What EXIF fields are commonly populated and don't vary shot-to-shot on photos from the same camera?

For programmatic reasons I'd like to be able to group photos taken by a photographer using multiple cameras on a given day by the camera. I'm thinking make, model, & software. Though it's very ...
2
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0answers
84 views

Does anybody know software that limits amount of keywords?

Does anybody know software that limits the amount of keywords in each photo, e.g. by discarding all keywords above keyword no. 50, for example? (Of course using the given sorting of keywords) If ...
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2answers
645 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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0answers
96 views

Can't set Sony image ratings via windows explorer

I'm having issues changing metadata for photos from 1 camera. When I load photos from my camera (Nikon D7000) I can use the details bar at the bottom of windows explorer to add tags, change star ...
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0answers
86 views

Which IPTC field to use for the lead image in a set?

Is there an IPTC field which allows me to specify that an image is the 'lead image' from a set? Not necessarily the first image, but more like a manually chosen cover-image for an album?
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1answer
742 views

Camera showing incorrect used focal length in EXIF data

Using a Canon 5D Mk2 with a 17-40mm f/4L lens. Everything seems to work just fine, except no matter how i shoot, the EXIF-data will show 40mm as the used focal length, even if I know the image is ...
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22 views

Problems with “Creation Date” Metadata in Lightroom not reflecting in Finder

I have spent the winter break scanning photos as .tif files. Then, in Lighroom, I have corrected the capture time to the appropriate date. This looks about right, with the photo taken on the 1st of ...
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2answers
116 views

Calculate original resolution an image was taken at from EXIF data?

I have a resized JPG of a photo that still contains the original EXIF data. How can I calculate the original resolution (in pixels) the camera was set to when this photo was taken? In the EXIF, I see ...
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1answer
162 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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1answer
224 views

Software with GUI to edit a .CR2's metadata

I have happily been using Microsoft's Pro Photo Tools for about 10 years to batch-add keywords, location etc. to my CR2 files. Late last year it stopped working and from what I see it is a problem ...