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| Content Provider | ACM Digital Library |
|---|---|
| Author | Dawn, Suma Saxena, Vikas Sharma, Bhu Dev |
| Abstract | The paper presents a novel non-rigid transformation for Digital Elevation Model (DEM) registration. This is based on symmetric diffeomorphic transformation which is inverse consistent as well. Registration allows for spatial alignments between the image pairs – reference and candidate images - under consideration and is necessary so that useful information can be integrated for further tasks. In general, DEM registration's task is to present a suitable transformation such that the candidate DEM becomes aligned to the reference DEM and that both may then be presented together. We have used modified B-spline based free-form deformation for non-rigid transformation using constrained parameters for making our model diffeomorphic and inverse consistent. It uses iterative learning for the formation of deformation model as per the proposed constraints. It has been able to map small scale as well as large scale deformations using the proposed technique and has been experimented with images having various terrain types. The proposed framework for the registration of DEMs has proven to be successful and gives favorable results when compared to existing techniques as well. The algorithm proposed in this literature has been tested for multimodal, multi-view, multi-temporal and multi-resolution images of the same area, and images having overlapping areas and also for existence of small holes and missing data. It has been extended to include not only a consitent single-reference-multiple-candidate registrations but also to find candidate DEMs for registration if not already provided. |
| Starting Page | 1 |
| Ending Page | 8 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781450330619 |
| DOI | 10.1145/2683483.2683532 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2014-12-14 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Diffeomorphism Image models Free-form deformations Splines Multimedia and visualization Non-rigid registration Similarity metric Dem registration |
| Content Type | Text |
| Resource Type | Article |
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