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|Title:||Constrained Connectivity and Transition Regions|
|Authors:||SOILLE Pierre; GRAZZINI Jacopo|
|Type:||Articles in periodicals and books|
|Abstract:||Constrained connectivity relations partition the image de¿- nition domain into maximal connected components complying to a series of input constraints such as local and global intensity variation thresh- olds. However, they lead to a stream of small transition regions in sit- uations where the edge between two large homogeneous regions spans over several pixels (ramp discontinuity). In this paper, we analyse this behaviour and propose new de¿nitions for the notions of transition pixels and regions. We then show that they provide a suitable basis for sup- pressing connected components originating from non ideal step edges.|
|JRC Directorate:||Space, Security and Migration|
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