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There may also be "metadata databases" where one database contains metadata for several source files. In most cases the relationship between the source file and the sidecar file is based on the file name; sidecar files have the same base name as the source file, but with a different extension.
Container format parts have various names: "chunks" as in RIFF and PNG, "atoms" in QuickTime/MP4, "packets" in MPEG-TS (from the communications term), and "segments" in JPEG. The main content of a chunk is called the "data" or "payload". Most container formats have chunks in sequence, each with a header, while TIFF instead
Thumbnails(of current folder images or archive) No No digiKam: Yes Yes Yes fit, in/out Yes previous, next Yes adjustable size Yes Yes album-tree, tags, calendar, searches, map (geolocation) Yes Partial tags, date, keywords, metadata; no user-defined order Eye of GNOME: Yes Yes Yes +/-, 1:1, best fit image collection pane, only one row
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 ...
Images may be organized into albums, which may be distinct from folders or file-system folders. Albums may be organized into collections, which may not be the same as a folder hierarchy. Grouping or sorting by date, location, and special photographic metadata such as exposure or f-stops if that information is available. See Exif for example.
The Graph API presents a simple, consistent view of the Facebook social graph, uniformly representing objects in the graph (e.g., people, photos, events, and pages) and the connections between them (e.g., friend relationships, shared content, and photo tags). [22] On April 30, 2015, Facebook shut down friends' data API prior to the v2.0 release ...
Metadata means "data about data". Metadata is defined as the data providing information about one or more aspects of the data; it is used to summarize basic information about data that can make tracking and working with specific data easier. [15] Some examples include: Means of creation of the data; Purpose of the data; Time and date of creation
A folder containing many files with complex metadata such as thumbnail information may require considerable time before it can be displayed. If a header is binary hard-coded such that the header itself needs complex interpretation in order to be recognized, especially for metadata content protection's sake, there is a risk that the file format ...