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Since the Exif tag contains metadata about the photo, it can pose a privacy problem. For example, a photo taken with a GPS-enabled camera can reveal the exact location and time it was taken, and the unique ID number of the device - this is all done by default - often without the user's knowledge. Many users may be unaware that their photos are ...
For example, a digital image may include metadata that describes the size of the image, its color depth, resolution, when it was created, the shutter speed, and other data. [16] A text document's metadata may contain information about how long the document is, who the author is, when the document was written, and a short summary of the document.
A stamped photo affords universal and cross-platform viewing of the photo's location, and offers the security of retaining that location information in the event of metadata corruption, or if file metadata is stripped from a photo, e.g. when uploading to various online photo sharing communities.
Metadata—or information about an image, which can be automatically or manually added to image file formats like JPGs—can indicate when and where a photo was taken, on what kind of camera, and ...
Metadata records the geospatial data in the encoded video file to be decoded for later analysis. ... An example is the Flickr photo-sharing Web site, ...
Metadata – An image may have metadata stored in EXIF or XMP formats. Transparency – An image may have transparency, i.e., an alpha channel. Color Profile – An image may have an embedded ICC profile as described by the International Color Consortium. Animation – An image may have multiple frames with pauses between them, making it an ...
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.
Adding or improving statements under the "structured data" tab on a Wikimedia Commons image (or other media file) provides information that can be understood -- in multiple languages! -- by humans and be processed by machines. This metadata uses multilingual concepts from Wikidata, Wikimedia's knowledge base. For examples, see section 1.4.1 ...