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McAfee later claimed to have edited the Exif data from his phone to provide a false location. [26] According to documents leaked by Edward Snowden, the NSA is targeting Exif information under the XKeyscore program. [27] The privacy problem of Exif data can be avoided by removing the Exif data using a metadata removal tool. [28]
ExifTool is a free and open-source software program for reading, writing, and manipulating image, audio, video, and PDF metadata.As such, ExifTool classes as a tag editor.It is platform independent, available as both a Perl library (Image::ExifTool) and a command-line application.
The Samsung SH100 can connect using Wi-Fi to get position data from a GPS-enabled smartphone. [5] Generally the relevant GPS data is automatically stored in the photo's Exif information when the photo is taken. A connected GPS will generally remain switched on continuously, requiring power, and will then have location information available ...
Almost all the IIM attributes are supported by the Exchangeable image file format (Exif), a specification for the image file format used by digital cameras. IIM metadata can be embedded into JPEG/Exif, TIFF, JPEG2000 or Portable Network Graphics formatted image files. Other file formats such as GIF or PCX do not support IIM.
Amiga Hunk metadata In AmigaOS, a file with a .info extension contains metadata for a companion Amiga Hunk executable file. Extensible Metadata Platform Extensible Metadata Platform (XMP) metadata is stored in a sidecar file when either a file format does not support embedded XMP metadata or if the workflow requires this.
DCF optional file – an image file with filename extension ".JPG" conforming to the Exif specification, used when an image is to undergo extensive processing notably in professional uses; uses DCF optional color space; DCF extended image file – a file with a filename (and data structure) other than "JPG" or "THM".
The JPEG File Interchange Format (JFIF) is an image file format standard published as ITU-T Recommendation T.871 and ISO/IEC 10918-5. It defines supplementary specifications for the container format that contains the image data encoded with the JPEG algorithm.
The purpose of metadata removal tools is to minimize the risk of such data leakage. [4] The metadata removal tools that exist today can be divided into four groups: Integral metadata removal tools, which are included in some applications, like the Document Inspector in Microsoft Office. Batch metadata removal tools, which can process multiple ...