IEEE Trans Image Process - Topology preserving warping of 3-D binary images according to continuous one-to-one mappings.

Tópicos

{ structur(1116) can(940) graph(676) }
{ method(1557) propos(1049) approach(1037) }
{ research(1085) discuss(1038) issu(1018) }
{ imag(1057) registr(996) error(939) }
{ method(984) reconstruct(947) comput(926) }
{ implement(1333) system(1263) develop(1122) }
{ method(1969) cluster(1462) data(1082) }
{ can(774) often(719) complex(702) }
{ featur(3375) classif(2383) classifi(1994) }
{ take(945) account(800) differ(722) }
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{ design(1359) user(1324) use(1319) }
{ perform(1367) use(1326) method(1137) }
{ use(1733) differ(960) four(931) }
{ imag(1947) propos(1133) code(1026) }
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{ extract(1171) text(1153) clinic(932) }
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{ research(1218) medic(880) student(794) }
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{ data(2317) use(1299) case(1017) }
{ age(1611) year(1155) adult(843) }
{ medic(1828) order(1363) alert(1069) }
{ group(2977) signific(1463) compar(1072) }
{ sampl(1606) size(1419) use(1276) }
{ gene(2352) biolog(1181) express(1162) }
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{ first(2504) two(1366) second(1323) }
{ intervent(3218) particip(2042) group(1664) }
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{ use(976) code(926) identifi(902) }
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{ method(2212) result(1239) propos(1039) }
{ detect(2391) sensit(1101) algorithm(908) }

Resumo

The estimation of one-to-one mappings is one of the most intensively studied topics in the research field of nonrigid registration. Although the computation of such mappings can be now accurately and efficiently performed, the solutions for using them in the context of binary image deformation is much less satisfactory. In particular, warping a binary image with such transformations may alter its discrete topological properties if common resampling strategies are considered. In order to deal with this issue, this paper proposes a method for warping such images according to continuous and bijective mappings while preserving their discrete topological properties (i.e., their homotopy type). Results obtained in the context of the atlas-based segmentation of complex anatomical structures highlight the advantages of the proposed approach.

Resumo Limpo

estim onetoon map one intens studi topic research field nonrigid registr although comput map can now accur effici perform solut use context binari imag deform much less satisfactori particular warp binari imag transform may alter discret topolog properti common resampl strategi consid order deal issu paper propos method warp imag accord continu biject map preserv discret topolog properti ie homotopi type result obtain context atlasbas segment complex anatom structur highlight advantag propos approach

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