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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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1answer
147 views

Extracting unique ID of images [closed]

I messed up my image collection and it now contains a lot of duplications. Unfortunately, the file names are not unique either as the collection is coming from several devices that simply order the ...
2
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3answers
807 views

How to find lens information from image metadata?

Is there a way to find out using which lens an image was taken, especially in Ubuntu? I tried using exif utility which gives me following o/p: $ exif 20111030.JPG ...
5
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4answers
219 views

When using a teleconverter on a Canon DSLR, what happens to EXIF data?

When mounting lenses via a teleconverter like the Canon 2x, does the EXIF metadata record this information somehow? Will the recorded focal length be adjusted by the camera or the extender? Is there a ...
1
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1answer
158 views

Is it possible in LR 5 to add unique metadata titles to a large amount of images?

So I use squarespace for my website. Clients can come and see their images to choose which ones they want. In order for them to know which ones to pick, I have to tag titles on the images for them ...
2
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1answer
162 views

How to store tilt/rotation and crop information in metadata?

Is there a standard or defacto-standard to store tilt (slight rotation for horizon correction like e.g. 2 degree) or crop information in a photo's metadata (EXIF, IPTC, ...), so it a) does not ...
3
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1answer
119 views

How to calculate Hugin lens data

I shot a bunch of pictures in order to create a panorama on my computer using Hugin. My camera is a Sony PowerShot DSC T-100. When loading images in Hugin, it asks me to provide some "Lens data" ...
2
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3answers
89 views

An easy way to embed custom information when in the field

My company needs to take a large number of product photo's in the field. The make sense of the file when they come to download them, they would like to store custom products id number either as meta ...
12
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5answers
1k views

How to detect if a photo's metadata has been changed?

There was a photography contest and it was limited to only three days of shooting - but the winning photo seemed a little out of season. So I suspect that the winner changed the metadata on the ...
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2answers
184 views

What is a good workflow for tagging photos via exif, then automatically displaying them on WP site via tag?

I have a lot of photos from site visits to different libraries around the U.S. I ultimately want to share these photos on a website so that viewers can sort by the various tags (e.g. "student study ...
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3answers
484 views

How do I determine whether flash fired or not?

For example, I use a regular cropped DSLR (like Canon 400D (Rebel XTi)) and I use an external ON-camera flash (mounted on the camera's shoe). How do I determine by looking over the description within ...
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0answers
125 views

How do I convert/import metadata in a xml file containing data for multiple files to multiple jpg image files? [closed]

Data and images originally from Flickr and exported but metadata as attached in Flickr was only saved in this way. ALL CAPS are example values that need to be transfered to the metedata. This is an ...
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0answers
38 views

Finding the actual size of an object in an image [duplicate]

This is more of a programming related question rather than with device related . Is there any command line utility that will help me to find the actual size of an object in an image . ...
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5answers
482 views

How can we sync Lightroom 5 metadata changes over Dropbox?

I am working with Lightroom 5 and have a problem with writing meta data to exported JPGs, which I have already exported from Lightroom to upload to stock sites to sell. I am working in Lightroom 5, ...
1
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1answer
122 views

Can I batch set the date on Canon RAW files with a tool? [duplicate]

I have just noticed my cameras date has been wrong for the last month. However it is consistently wrong, so if I work out (or guess) the date and time of the first photograph, is there a tool that ...
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1answer
2k views

How can I save metadata changes to master photos in Lightroom?

Here's a situation where I would like Lightroom to alter my master photos. I have some photos that I took on October 30, 2011 with the capture time at around 15:00 hours. The date is correct but the ...
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2answers
640 views

How can I get the image/sensor dimensions in mm to get Circle of Confusion from EXIF?

I need to get calculate some formulas based on Circle of Confusion and/or image dimensions (diagonal) in millimeters based on EXIF data only. IOW, I cannot say "this photo was shot with Canon 5D3 ...
2
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1answer
222 views

How can I prevent or undo Canon G12's auto rotate?

I'm using a Canon PowerShot G12 camera to take photos for vegetation analysis. The camera is looking straight down at the vegetation - or at least CLOSE to straight down. The autorotation function ...
3
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2answers
225 views

How to get settings of Canon camera in auto mode?

I want to learn photographing in manual mode. As the one of the way I wanna shoot in auto mode and then try to repeat it in manual mode. My question is how to know which settings of ISO, shutter speed ...
2
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1answer
236 views

What do these strange fractions in EXIF exposure values mean?

Sometimes I see in the Exif exposure value (from a photographic contests site) numbers like 10/4000 or 301/100000. I guess 10/4000 means 1/400 but what does 301/100000 mean? Is it due to some Exif ...
4
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1answer
796 views

Which IPTC title fields to use?

I decided to set the titles of my photos in Lightroom (via the IPTC metadata) instead of my web-based gallery software. However, I'm somewhat unsure about the proper usage of the various title-ish ...
5
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1answer
162 views

Is it possible to create Lightroom / Flickr captions in two languages?

I need to export images from Lightroom 5 to Flickr/Web with the captions in two different languages; English and Russian. Are there any methods/tools to facilitate this process without mixing two ...
4
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1answer
195 views

Can I programatically manipulate Lightroom's “rejected” flag in images?

Can I use a tool like exif2 or exiftool to programatically inspect and manipulate the flag used for "Rejected" in Lightroom? I can't find a field that seems to correspond to it. If not, is there ...
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2answers
179 views

Which exif tag to use to add filter data?

I've started using ND and polarizer filters in my shots. Since I'm learning to use them, I'd like to manually add this info to exif/iptc/xmp metadata of my shots, so later I can find images taken ...
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1answer
700 views

What does “Unique Id” in Picasa map to in EXIF?

In Picasa, in the Properties List, there is a property labeled "Unique Id". In the Exif spec, there is a field called ImageUniqueId. However, I have tried several Exif libraries/command line tools ...
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1answer
138 views

DPI in photos vs DPI in Printers/Scanners [duplicate]

When I look at the properties of a JPEG shot on my Canon 5D MkIII (set to the highest quality settings on the camera), i've noticed that the 'Horizontal/Vertical Resolution is 72 DPI' My only ...
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3answers
203 views

What metadata editor is capable of overwriting originals?

Photography workflows seem to be oblivious to version control systems like git. Instead iPhoto and Lightroom seem to expect you to keep multiple copies of edited/catalogued images. I simply want to ...
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2answers
121 views

Is there a glossary of camera metadata terms?

I'm trying to learn to interpret my camera's metadata (Exif) tags (if "tags" is the right word) as they appear in Adobe Bridge. I'm seeing some terms I don't understand and I was wondering if there ...
6
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2answers
290 views

How do I apply my copyright information from XMP automatically with DigiKam?

I have an xmp file with my copyright information provided by the Creative Commons license wizard. How can I configure DigiKam to automatically apply this information to every image I import?
2
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1answer
128 views

Where should I store the metadata for personal images?

I'm adding coordinates, location, country name, my name, url, and occasionally a description to my photos. They are all in the JPEG format. I use them mostly for personal use but give some away to ...
3
votes
3answers
271 views

How do I preserve commas when exporting metadata from Lightroom to csv?

I am using LR/Transporter to export metadata from Lightroom to a .csv file. For the most part this works flawlessly. However, if I have a comma in the Caption field anything after that comma gets ...
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2answers
387 views

What software should I use to batch cropping images from paper notes?

I am turning a scanning of a collection of notes with lots of pictures of inventions and mathematics and organizing it into a wiki. The notebook pages consist of blocks of text, images, and captions ...
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1answer
120 views

Is it possible to extract the IPTC information of many scans programmatically?

I have several hundred jpeg-scans of negatives. For some of these, I stored a textual description of the picture in the Caption-field of the IPTC metadata. (Whether it was a clever idea to store it ...
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2answers
2k views

How to add EXIF Lens data in Lightroom for unknown lens?

One of my prime lenses is non-electronic and so the photos EXIF data does not include any lens information. These show up in Lightroom 4.3 as "Unknown". I see no way through Lightroom to add this ...
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0answers
43 views

What software can I use to show the position and arc use for an image on a map? [duplicate]

I've recently bought a GPS for my camera and am trying to make the most of it. I've used the basic functions in Lightroom to show my images on a map, tag the city etc, but what I really want is ...
2
votes
3answers
354 views

Does lens metadata from crop-sensor cameras factor in the crop?

I use a Canon 60D, which is a crop-sensor DSLR. Does the metadata found in Lightroom or Bridge report the actual focal length or the crop-sensor equivalent? For example, if the metadata says the ...
4
votes
3answers
234 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 - ...
2
votes
2answers
237 views

How can I measure luminance values from different cameras?

Calculating EV and then Lx is pretty simple. The problem starts when trying to calculate these by using EXIF data that come from different cameras. I tried capturing a static object in the exact ...
4
votes
1answer
3k views

What is “Image Unique ID”?

What is the Image Unique ID in Exif info? what is it used for?! It seems each system could use its own method, so is it still unique between different systems? Searching online I was able to find ...
6
votes
4answers
300 views

Can information like a signature, secret key or password be encoded in a photo?

I want to protect copyright of my photographs. So, I've decided I'd like to put some signature like information in my photos. According to my research, - I have copyright as default and I don't ...
3
votes
1answer
187 views

Photo Management software which stores Profile / Bio Info

Looking for photo management software to do the following: Image or multi images with the capability of adding bio/info for each profile. For example lets say we have a model, and would like to have ...
9
votes
6answers
3k views

How can I create a map with GPS data from EXIF?

I've been taking photos all over the country last year and now I want to create a map with all the places I've been. Luckily all my photos are geotagged which makes the whole process easier. The main ...
2
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0answers
50 views

Does Lightroom automatically save the date of printing events, or just the date a print is saved?

I am trying to discover best way to keep track of printing from Lightroom rather than from printer data.
4
votes
2answers
351 views

How to add keywords to lightroom from a textfile (after import)?

I have a fairly large (20,000 photos) catalog. I'm trying to add keywords from the exif data that lightroom doesn't read, for instance any effects (like "pop color") applied to the photo. Using ...
2
votes
1answer
233 views

Does Lightroom export white-balance temperature and tint value to JPEG metadata?

When I export a JPEG from Lightroom 3.6, is the white-balance temperature and tint value written in the JPEG file somewhere? Could I later take that JPEG and see (in the EXIF for example) what the WB ...
4
votes
2answers
2k views

In Lightroom 4, how to apply same title and keywords to multiple photos?

In Lightroom 4, how do I apply the same title and keywords to multiple photos? Alternatively, how do I apply title and keywords of a photo to another set of multiple photos?
4
votes
3answers
474 views

How can I downsample high-resolution shots with Lightroom?

I have many casual travel shots taken with a high resolution camera. I want to take the shots with high resolution because I'm not sure on beforehand if I want to print big or crop. After reviewing ...
7
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1answer
1k views

How to change camera model with exiftool?

I bought a Nikon D600 only to realise that Lightroom 4 can't read the RAW format that it shoots in. I've done some research and found that some people use the Exiftool to change the model and then ...
4
votes
3answers
1k views

What does GPSInfoIFDPointer 5438 mean?

What is the meaning of GPSInfoIFDPointer in an image's EXIF meta data? Just found a "spec-type" description about "a set of tags ...", but have no idea what that is supposed to mean. Especially the ...
7
votes
2answers
630 views

What are some reasons to not display EXIF data when sharing photos online?

I notice that some photographers choose to deliberately omit the information pertaining to how the photo was taken when sharing online. There's a communal value in learning how other folks staged a ...
5
votes
1answer
482 views

How can I find out which camera mode I used for a photo?

I have a Canon 450D, when I want more information on what setting I used to take a photo, I can hit the display button and see that I took that particular picture in Auto Mode or TV Mode etc. Once I ...