Space-filling curves and their use in the design of geometric data structures
Theoretical Computer Science - Special issue: Latin American theoretical informatics
Multidimensional access methods
ACM Computing Surveys (CSUR)
Digital Image Compression: Algorithms and Standards
Digital Image Compression: Algorithms and Standards
Data Compression
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We examine the technique of run-length encoding in combination with data order, where our attention is focused on good performance of image operations such as, e.g., rotation, reflection, and zooming. To this end we develop a new type of data order that supports these operations well and allows to perform them on a variant of a double-queue automaton directly on the compressed data stream. Because of its shape we call this data order shamrock or S-order. To confirm our theoretical results on S-order we have performed some experiments on sample data using various data orderings that appear in the literature.