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Many image gallery programs also recognise Exif data and optionally display it alongside the images. Software libraries, such as libexif [9] for C and Adobe XMP Toolkit [10] or Exiv2 [11] for C++, Metadata Extractor [12] for Java, PIL/Pillow for Python, LEADTOOLS or ExifTool [13] for Perl, parse Exif data from files and read/write Exif tag values.
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.
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 ...
Aperture - Image management application and RAW developer. Reads/writes XMP sidecar files to (batch) import/export image metadata (Mac OS X). Bibble5 can read/write XMP information for RAW, JPG and TIFF files (Microsoft Windows, Mac OS X, Linux). Bridge - can read/write and batch edit XMP metadata (Microsoft Windows, Mac OS X)
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.
The focus of the group is to advance the interoperability of metadata stored in digital media. Its specification, Guidelines for Handling Image Metadata, defined the interoperability among Exif, IIM (old IPTC), and XMP with consumer digital images. The following properties were selected for interoperability: keywords
An image retrieval system is a computer system used for browsing, searching and retrieving images from a large database of digital images. Most traditional and common methods of image retrieval utilize some method of adding metadata such as captioning, keywords, title or descriptions to the images so that retrieval can be performed over the annotation words.
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. IIM's file structure technology has largely been overtaken by the Extensible Metadata Platform (XMP), but the IIM attribute definitions are the basis for the IPTC Core schema ...