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Photography
Discussion Board -> Photography -> What is EXIF data and how can I use it?
What is EXIF data and how can I use it?
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For anyone who like reading to learn, I recommend Digikam's handbook.
http://docs.kde.org/development/en/extragear-graphics/digikam/digikam.pdf
Although this seems for Linux users only, actually this document contains many good topics. Exif is one of them.
For exif see page: 44
Other interesting parts: Supported file formats Page: 13
Digital Asset Management Page: 60
http://docs.kde.org/development/en/extragear-graphics/digikam/digikam.pdf
Although this seems for Linux users only, actually this document contains many good topics. Exif is one of them.
For exif see page: 44
Other interesting parts: Supported file formats Page: 13
Digital Asset Management Page: 60
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Be free - use Linux
Thank you, Tanju.
Took a look at the Digikam handbook. There is some excellent information on Colour Management, for example.
And I quote;
"3.3.1 Introduction
The point of a color-managed workflow is to ensure that the colors coming from your camera or scanner have a predictable relationship with the colors you actually photographed or scanned, that the colors displayed on your monitor match the colors coming from your camera or scanner, and that the colors you print or display on the web match the colors you produced in your digital darkroom."
(Note: The information/document in the link provided in Tanju's post above took a few moments to load. At least for me, and I am on a high speed cable connection. Just a headsup here.)
Took a look at the Digikam handbook. There is some excellent information on Colour Management, for example.
And I quote;
"3.3.1 Introduction
The point of a color-managed workflow is to ensure that the colors coming from your camera or scanner have a predictable relationship with the colors you actually photographed or scanned, that the colors displayed on your monitor match the colors coming from your camera or scanner, and that the colors you print or display on the web match the colors you produced in your digital darkroom."
(Note: The information/document in the link provided in Tanju's post above took a few moments to load. At least for me, and I am on a high speed cable connection. Just a headsup here.)
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While we discuss adding a means for exif info, I found out that exif infos from all images were removed. Why?
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Be free - use Linux
"The case of the missing metadata".
I mistakenly thought that the EXIF data was retained with the original upload resolution size, once upon a time. And lost only through the subsequent generations of other image resolution sizes.
For now, the added 'description area' ... as a suggested/requested feature ... is an interim option.
Until such time, and if feasible (monetarily and code-wise) ... that the site can switch over to some other software to perform this function.
I mistakenly thought that the EXIF data was retained with the original upload resolution size, once upon a time. And lost only through the subsequent generations of other image resolution sizes.
For now, the added 'description area' ... as a suggested/requested feature ... is an interim option.
Until such time, and if feasible (monetarily and code-wise) ... that the site can switch over to some other software to perform this function.
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I do not think EXIF data should be embedded in the images. Many EXIF viewers have the capability of editing the information. In the worst case scenario if ownership issues arose dates and other details could easily be changed by anyone.
A specified are for giving the information or simply adding it to the image description would seem a better option, imho
A specified are for giving the information or simply adding it to the image description would seem a better option, imho
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My thanks to all who leave comments for my work and to those of you who like one enough to make it a favourite. To touch just one person that way makes each image worthwhile. . . . . . . . . .. . . . "The question is not what you look at, but what you see" ~ Marcel Proust
I will hoard that informatuion for when I visit USA to claim ownsership of my grandchildren images that were stolen - and claimed to be someone elses property. :)
But . . . . at the end of the article this is stated
"There's one important aspect of this fingerprint that the article did not talk about: how easy is it to forge? Can someone analyze 100 images from a given camera, and then doctor a pre-existing picture so that it appeared to come from that camera?
My guess is that it can be done relatively easily."
But . . . . at the end of the article this is stated
"There's one important aspect of this fingerprint that the article did not talk about: how easy is it to forge? Can someone analyze 100 images from a given camera, and then doctor a pre-existing picture so that it appeared to come from that camera?
My guess is that it can be done relatively easily."
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My thanks to all who leave comments for my work and to those of you who like one enough to make it a favourite. To touch just one person that way makes each image worthwhile. . . . . . . . . .. . . . "The question is not what you look at, but what you see" ~ Marcel Proust
/\ Contained in the above link are listed resources of freeware EXIF viewers. Some are compatible with and specifically for internet browsers.
"Using EXIF Data" ... by Darren Rowse (digital-photography-school.com).
"EXIF data is very useful for a variety of reasons – the main one being that it allows a photographer to compare shots to find out what they did right and wrong in them."