| 1. Identity statement | |
| Reference Type | Conference Paper (Conference Proceedings) |
| Site | sibgrapi.sid.inpe.br |
| Holder Code | ibi 8JMKD3MGPEW34M/46T9EHH |
| Identifier | 83LX3pFwXQZW44Lb/doULg |
| Repository | dpi.inpe.br/ambro/1998/06.08.10.41 |
| Last Update | 1998:06.16.03.00.00 (UTC) administrator |
| Metadata Repository | sid.inpe.br/banon/2001/03.30.15.57.13 |
| Metadata Last Update | 2022:05.18.22.23.10 (UTC) administrator |
| Citation Key | FuruieJarRebParGut:1997:SeMiVe |
| Title | Segmentação do miocárdio do ventrículo esquerdo em ressonância magnética  |
| Year | 1997 |
| Access Date | 2024, May 03 |
| Number of Files | 1 |
| Size | 66 KiB |
| 2. Context | |
| Author | 1 Furuie, Sérgio Shiguemi 2 Jara, Griselda Ester 3 Rebelo, Marina F. S. 4 Parzianello, Luiz Cláudio 5 Gutierrez, Marco Antônio |
| Editor | Figueiredo, Luiz Henrique de Netto, Marcio Lobo |
| Conference Name | Brazilian Symposium on Computer Graphics and Image Processing, 10 (SIBGRAPI) |
| Conference Location | Campos de Jordão, SP, Brazil |
| Date | Oct. 1997 |
| Publisher | Sociedade Brasileira de Computação |
| Publisher City | Porto Alegre |
| Book Title | Proceedings |
| Organization | SBC - Sociedade Brasileira de Computação; USP - Universidade de São Paulo |
| History (UTC) | 2008-07-17 14:17:59 :: administrator -> banon :: 2008-08-26 15:26:30 :: banon -> administrator :: 2009-08-13 20:36:16 :: administrator -> banon :: 2010-08-28 20:04:54 :: banon -> administrator :: 2022-05-18 22:23:10 :: administrator -> :: 1997 |
| 3. Content and structure | |
| Is the master or a copy? | is the master |
| Content Stage | completed |
| Transferable | 1 |
| Keywords | image segmentation left ventricle mri |
| Abstract | A truly 3D technique for segmentation of left ventricle (LV) myocardium in MRI is presented, based on fuzzy connectedness and incorporation of voxels with minimum cost. Direct segmentation of LV muscle based only on intensity or texture is difficult because of inhomegeneity and background with similar characteristics. We propose a two step technique: first, segmentation of LV cavity and then an orderly search of LV muscle keeping roughly the endocardium morphology. The LV cavity is extracted in all volumes applying competitive fuzzy connectedness between cavity and myocardium. From the endocardium surface, connected voxels with minimum insertion cost and below a given limit are incorporated in an orderly fashion (layers), emulating a balloon expansion model. The cost function for incorporating a voxel has three components: a) spatial gradient to avoid other objects with distinct boundaries; b) textures to allow some local inhomogeneities; c) shape similarity to the endocardium surface in order to restrict leaking to other organs with similar texture. Studies with phantoms (contrast=48 %) were carried out and presented good results (less than 6 % of misclassified voxels) for SNR up to 12 dB (Gaussian noise). The proposed technique was also applied to gated-MRI of heart, closely matching manually segmented LV myocardium in images with good quality. |
| Arrangement | urlib.net > SDLA > Fonds > SIBGRAPI 1997 > Segmentação do miocárdio... |
| doc Directory Content | access |
| source Directory Content | there are no files |
| agreement Directory Content | there are no files |
| 4. Conditions of access and use | |
| data URL | http://urlib.net/ibi/83LX3pFwXQZW44Lb/doULg |
| zipped data URL | http://urlib.net/zip/83LX3pFwXQZW44Lb/doULg |
| Target File | art64.pdf |
| User Group | administrator |
| Visibility | shown |
| 5. Allied materials | |
| Next Higher Units | 8JMKD3MGPEW34M/46RL7SS |
| Citing Item List | sid.inpe.br/sibgrapi/2022/05.08.23.46 6 |
| Host Collection | sid.inpe.br/banon/2001/03.30.15.38 |
| 6. Notes | |
| Notes | The conference was held in Campos de Jordão, SP, Brazil, from October 13 to 16. |
| Empty Fields | affiliation archivingpolicy archivist area callnumber contenttype copyholder copyright creatorhistory descriptionlevel dissemination documentstage doi e-mailaddress edition electronicmailaddress format group isbn issn label language lineage mark mirrorrepository nextedition numberofvolumes orcid pages parameterlist parentrepositories previousedition previouslowerunit progress project readergroup readpermission resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark secondarytype serieseditor session shorttitle sponsor subject tertiarymark tertiarytype type url versiontype volume |