2017
DOI: 10.1007/978-3-319-44684-4_7
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Fast Similarity Search in Scalar Fields using Merging Histograms

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Cited by 12 publications
(9 citation statements)
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“…Simple and practical similarity measures that are not metrics have also been studied. Saikia et al [7] propose a measure that compares histograms constructed based on the merge trees. As in the case of bottleneck distance, this measure ignores the topological structure during comparison.…”
Section: Related Workmentioning
confidence: 99%
See 1 more Smart Citation
“…Simple and practical similarity measures that are not metrics have also been studied. Saikia et al [7] propose a measure that compares histograms constructed based on the merge trees. As in the case of bottleneck distance, this measure ignores the topological structure during comparison.…”
Section: Related Workmentioning
confidence: 99%
“…A careful study of similarities and differences between the topology-based representations can lead to meaningful comparisons of the underlying scalar fields. Multiple similarity measures (alternatively comparison measures or distance measures) have been proposed to compare scalar fields and topological structures [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13]. However, most of them describe methods to compare these structures globally.…”
Section: Introductionmentioning
confidence: 99%
“…The basic premise of pattern matching is to find regions or features that are similar to a designed pattern or a selected region/feature. Such methods exist for a large variety of data types such as images [Low04], geometry [MPWC13], scalar fields [KWKS11, SSW14, SSW15, TN11, TN13, TN14], vector fields [ES03, HEWK03, BHSH14], and multi‐fields [WSW16]. All of these methods address single time steps only, and are not adequate for finding spatio‐temporal similarities: given a pattern, one may find similar features in a number of time steps, but this neglects any temporal evolution, since a progressively changing feature matches a pattern only for a certain amount of time.…”
Section: Related Workmentioning
confidence: 99%
“…To compare the data of two regions we require a signature with enough discriminative power and being invariant against translation and rotation. Saikia et al [SSW15] used the histogram of voxel intensities for this purpose. Birchfield and Rangarajan [BR05] propose spatiograms as a generalization of histograms including higher order moments and apply them in the context of computer vision.…”
Section: Comparison Of Subtree Regionsmentioning
confidence: 99%
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