Abstract
We present a study of compression efficiency for binary objects or
bi-level images for different chain-code schemes. Chain-code techniques
are used for compression of bi-level images because they preserve
information and allow a considerable data reduction. Furthermore,
chain codes are the standard input format for numerous shape-analysis
algorithms. In this work we apply chain codes to represent object
with holes and we compare their compression efficiency for seven
chain codes. We have also compared all these chain codes with the
JBIG standard for bi-level images.
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