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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.
An entry-level version of the program is available free of charge for home, non-commercial use. This free version supports the JPEG and Microsoft HD Photo / JPEG-XR image formats and can read/write Adobe XMP rating metadata in external sidecar files (*.xmp) or embed it within JPEG (JFIF), HD Photo and TIFF containers.
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.
Opens and saves jpg2000 and jpgls photo files Yes, native can search for and replace pixel of a certain color (with some latitude) and replace all with a given color of pixels KPhotoAlbum: Yes keywords, comments, title, any field from Exif metadata Yes linear, complex Partial Yes per KIPI plugins Yes configurable Quick-tagging using keyboard tokens
digiKam has been in development since before 2006. As of version 0.9 features include a GPS locator [9] and synchronization, [10] iPod Photo upload support, [11] an advanced metadata editor, [12] better support for raw image formats (using dcraw included in digiKam), full color management, a light-table, [13] pan-tool in Image Editor and Preview mode, improvements in usability, and many new ...
Output of DenseCap "dense captioning" software, analysing a photograph of a man riding an elephant. Automatic image annotation (also known as automatic image tagging or linguistic indexing) is the process by which a computer system automatically assigns metadata in the form of captioning or keywords to a digital image.
Original logo of the software FastStone Image Viewer is an image viewer and organizer software for Microsoft Windows , provided free of charge for personal and educational use. The program also includes basic image editing tools, [ 4 ] like cropping, color adjustment and red-eye removal.
Microsoft donated [failed verification] the PhotoDNA technology to Project VIC, managed and supported by the International Centre for Missing & Exploited Children (ICMEC) and used as part of digital forensics operations [8] [9] by storing "fingerprints" that can be used to uniquely identify an individual photo.