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- Chain_code abstract "A chain code is a lossless compression algorithm for monochrome images. The basic principle of chain codes is to separately encode each connected component, or "blob", in the image. For each such region, a point on the boundary is selected and its coordinates are transmitted. The encoder then moves along the boundary of the region and, at each step, transmits a symbol representing the direction of this movement. This continues until the encoder returns to the starting position, at which point the blob has been completely described, and encoding continues with the next blob in the image.This encoding method is particularly effective for images consisting of a reasonably small number of large connected components.Some popular chain codes include the Freeman Chain Code of Eight Directions (FCCE), Vertex Chain Code (VCC), Three OrThogonal symbol chain code (3OT) and Directional Freeman Chain Code of Eight Directions (DFCCE).A related blob encoding method is crack code. Algorithms exist to convert between chain code, crack code, and run-length encoding.Recently, the combination of Move-to-front transform and adaptive Run-length encoding accomplished efficient compression of the popular chain codes.".
- Chain_code wikiPageID "23338549".
- Chain_code wikiPageRevisionID "603134084".
- Chain_code hasPhotoCollection Chain_code.
- Chain_code subject Category:Image_compression.
- Chain_code subject Category:Lossless_compression_algorithms.
- Chain_code type Abstraction100002137.
- Chain_code type Act100030358.
- Chain_code type Activity100407535.
- Chain_code type Algorithm105847438.
- Chain_code type Event100029378.
- Chain_code type LosslessCompressionAlgorithms.
- Chain_code type Procedure101023820.
- Chain_code type PsychologicalFeature100023100.
- Chain_code type Rule105846932.
- Chain_code type YagoPermanentlyLocatedEntity.
- Chain_code comment "A chain code is a lossless compression algorithm for monochrome images. The basic principle of chain codes is to separately encode each connected component, or "blob", in the image. For each such region, a point on the boundary is selected and its coordinates are transmitted. The encoder then moves along the boundary of the region and, at each step, transmits a symbol representing the direction of this movement.".
- Chain_code label "Chain code".
- Chain_code label "Chain code".
- Chain_code label "Freeman-Code".
- Chain_code sameAs Freeman-Code.
- Chain_code sameAs Chain_code.
- Chain_code sameAs m.06w63kr.
- Chain_code sameAs Q1453572.
- Chain_code sameAs Q1453572.
- Chain_code sameAs Chain_code.
- Chain_code wasDerivedFrom Chain_code?oldid=603134084.
- Chain_code isPrimaryTopicOf Chain_code.