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Checking picture metadata is important in fact-finding to make sure accuracy, authenticity, and context of visible info.
Metadata performs an vital position in fact-checking. Usually described as ‘data about other data’, it offers important info such because the origin, context, and the historical past of a bit of textual content or picture. There are numerous sorts of metadata that may be related to digital property. These embrace, textual content metadata, picture metadata, audio metadata, video metadata, geospatial metadata, time metadata, file system metadata, social media metadata and net metadata.
In right this moment’s column, we clarify what picture metadata is, how it’s used, and the way it may help in fact-checking.
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Photo metadata
Photo metadata is the knowledge and particular particulars regarding a selected picture file. This info typically consists of the date on which the picture was taken, writer, file identify, content material, cellphone or the digital camera used to take the image, and typically even the situation. It is called EXIF (Exchangeable Image File) knowledge.
Can the picture metadata be eliminated or edited?
Yes. It may be very straightforward to edit or take away the metadata from an image. If you wish to publish an image with out the metadata on a social media platform all it’s important to do is publish a screenshot of the image.
Checking picture metadata is important in fact-finding to make sure accuracy, authenticity, and context of visible info. It is a essential step within the means of verifying and validating photographic proof in a world the place digital manipulation and misinformation are prevalent.
For instance: The following image was shot on an iPhone 13
Here’s how yow will discover metadata of this image:
There are a number of on-line EXIF (Exchangeable Image File) knowledge or metadata viewers accessible on-line; we determined to attempt one, ‘jimpl.com’. Uploading the image in Jimpl gave the metadata of the image, together with the situation.
There are a number of different metadata viewers accessible on-line. All it’s important to do is sort, ‘exif viewer online’ or ‘metadata viewer online’, this may pull up some free metadata viewers.
A well-liked instance of monitoring Exif knowledge is 2 pictures of former US president Donald Trump throughout the Covid pandemic. Two photographs launched by the White House in October 2020 confirmed Trump signing papers within the Walter Reed Hospital. There was plenty of controversy round these two photographs on whether or not or not the hospitalized president was truly getting the work executed or if he and his employees had staged a faux photoshoot. After specialists studied the Exif knowledge on these photos, it was discovered that each these photos had been taken simply 10 minutes aside, with Trump sitting in two totally different places and in two fully totally different outfits.
Metadata for photos lurks behind most digital pictures. It has proved useful in uncovering the reality in lots of instances and therefore makes up for an vital step in on-line verification of images.
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First revealed on: 25-11-2023 at 13:16 IST
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