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Author Antonio Lopez; David Lloret; Joan Serrat; Juan J. Villanueva edit   pdf
openurl 
  Title Multilocal Creaseness Based on the Level-Set Extrinsic Curvarture. Type Miscellaneous
  Year 2000 Publication Computer Vision and Image Understanding, Academic Press, 77(2):111–144. Abbreviated Journal  
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  Call Number (up) ADAS @ adas @ LLS 2000 b Serial 172  
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Author David Lloret; Antonio Lopez; Joan Serrat edit   pdf
openurl 
  Title Rigid Registration of CT and MR volumes based on Rothes creases Type Miscellaneous
  Year 1997 Publication (SNRFAI’97) 7th Spanish National Symposium on Pattern Recognition and Image Analysis. Eds.CVC,pgs.1–6 Abbreviated Journal  
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  Address Barcelona (Spain)  
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  Notes ADAS Approved no  
  Call Number (up) ADAS @ adas @ LLS1997 Serial 490  
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Author Antonio Lopez; Felipe Lumbreras; Joan Serrat edit  openurl
  Title Efficient computation of local creaseness Type Report
  Year 1997 Publication CVC Technical Report Abbreviated Journal  
  Volume Issue 15 Pages  
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  Publisher Place of Publication CVC, Bellaterra (Spain) Editor  
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  Call Number (up) ADAS @ adas @ LLS1997b Serial 527  
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Author Antonio Lopez; David Lloret; Joan Serrat edit   pdf
openurl 
  Title Creaseness measures for CT and MR image registration. Type Miscellaneous
  Year 1998 Publication CVPR’98 , IEEE Computer Society, pgs.694–699 Abbreviated Journal  
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  Abstract Creases are a type of ridge/valley structures that can be characterized by local conditions. Therefore, creaseness refers to local ridgeness and valleyness. The curvature K of the level curves and the mean curvature kM of the level surfaces are good measures of creaseness for 2-d and 3-d images, respectively. However, the way they are computed gives rise to discontinuities, reducing their usefulness in many applications. We propose a new creaseness measure, based on these curvatures, that avoids the discontinuities. We demonstrate its usefulness in the registration of CT and MR brain volumes, from the same patient, by searching the maximum in the correlation of their creaseness responses (ridgeness from the CT and valleyness from the MR). Due to the high dimensionality of the space of transforms, the search is performed by a hierarchical approach combined with an optimization method at each level of the hierarchy  
  Address Santa Barbara, USA.  
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  Call Number (up) ADAS @ adas @ LLS1998a Serial 11  
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Author Antonio Lopez; Felipe Lumbreras; Joan Serrat edit  openurl
  Title Creaseness form level set extrinsec curvature. Type Miscellaneous
  Year 1998 Publication 5th European Conference on Computer Vision (ECCV’98), Lecture Notes in Computer Science,vol 1407, pgs. 156–169 Abbreviated Journal  
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  Address Freiburg, Germany.  
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  Notes ADAS Approved no  
  Call Number (up) ADAS @ adas @ LLS1998b Serial 12  
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Author David Lloret; Antonio Lopez; Joan Serrat edit  openurl
  Title 3-D image Processing and Modeling, workshop on non-linear model-based image analysis. Type Miscellaneous
  Year 1998 Publication NMBIA Abbreviated Journal  
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  Address Glasgow, U.K.  
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  Call Number (up) ADAS @ adas @ LLS1998c Serial 15  
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Author David Lloret; Antonio Lopez; Joan Serrat edit  openurl
  Title Precise registration of CT and MR volumes based on a new creaseness measure Type Miscellaneous
  Year 1998 Publication Workshop on Non–linear model–based image analysis (NMBIA’98). S. Marshall, N. Harvey and D. Shah Eds. Springer_Verlag London, pgs 15–20 Abbreviated Journal  
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  Address Glasgow (Scottland)  
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  Notes ADAS Approved no  
  Call Number (up) ADAS @ adas @ LLS1998d Serial 487  
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Author David Lloret; Joan Serrat edit  openurl
  Title System for calibration of a stereotatic frame. Type Miscellaneous
  Year 1999 Publication Proceeding of the VIII Symposium Nacional de Reconocimiento de Formas y Analisis de Imagenes Abbreviated Journal  
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  Address Bilbao  
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  Call Number (up) ADAS @ adas @ LlS1999 Serial 20  
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Author David Lloret; Antonio Lopez; Joan Serrat; Juan J. Villanueva edit   pdf
openurl 
  Title Creaseness-based computer tomography and magnetic resonance registration: Comparison with the mutual information method. Type Miscellaneous
  Year 1999 Publication Journal of Electronic Imaging, 8(3):255–262 Abbreviated Journal  
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  Abstract This paper describes a method which uses the skull as a landmark for automatic registration of computer tomography to magnetic resonance (MR) images. First, the skull is extracted from both images using a new creaseness operator. Then, the resulting creaseness images are used to build a hierarchic structure which permits a robust and fast search. We have justified experimentally the performance of several choices of our algorithm, and we have thoroughly tested its accuracy and robustness against the well-known mutual information method for five different pairs of images. We have found both comparable, and for certain MR images the proposed method achieves better performance.  
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  Call Number (up) ADAS @ adas @ LLS1999a Serial 189  
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Author Antonio Lopez; Felipe Lumbreras; Joan Serrat; Juan J. Villanueva edit   pdf
openurl 
  Title Evaluation of Methods for Ridge and Valley Detection Type Miscellaneous
  Year 1999 Publication IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI), 21:327–335 Abbreviated Journal  
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  Call Number (up) ADAS @ adas @ LLS1999b Serial 483  
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Author Josep Llados; Felipe Lumbreras; X. Varona edit  openurl
  Title A multidocument platform for automatic reading of identity cards. Type Miscellaneous
  Year 1999 Publication Proceedings of the VIII Symposium Nacional de Reconocimiento de Formas y Analisis de Imagenes. Abbreviated Journal  
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  Address Bilbao  
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  Notes ADAS;DAG Approved no  
  Call Number (up) ADAS @ adas @ LLV1999 Serial 7  
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Author David Lloret; C. Mariño; Joan Serrat; Antonio Lopez; Juan J. Villanueva edit  openurl
  Title Landmark-based registration of full SLO video sequences. Type Miscellaneous
  Year 2001 Publication Proceedings of the IX Spanish Symposium on Pattern Recognition and Image Analysis,1:189–194. Abbreviated Journal  
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  Call Number (up) ADAS @ adas @ LMS2001 Serial 116  
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Author Antonio Lopez; W. Niessen; Joan Serrat; K. Nicolay; Bart M. Ter Haar Romeny; Juan J. Villanueva; M. Viergever edit  openurl
  Title New improvements in the multiscale analysis of trabecular bone patterns. Type Miscellaneous
  Year 1999 Publication Proceedings of the VIII Symposium Nacional de Reconocimiento de Formas y Analisis de Imagenes (SNRFAI’99), pags. 497–504 Abbreviated Journal  
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  Call Number (up) ADAS @ adas @ LNS1999 Serial 17  
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Author Antonio Lopez; W. Niessen; Joan Serrat; K. Nicolay; Bart M. Ter Haar Romeny; Juan J. Villanueva; M. Viergever edit  openurl
  Title New improvements in the multiscale analysis of trabecular bone patterns. Type Miscellaneous
  Year 2000 Publication Pattern Recognition and Applications, IOS Press, 251–260. Abbreviated Journal  
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  Call Number (up) ADAS @ adas @ LNS2000 Serial 332  
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Author Antonio Lopez edit  url
openurl 
  Title Ridge/Valley-like structures: Creases, separatrices and drainage patterns Type Miscellaneous
  Year 1997 Publication Computer vision on–line Abbreviated Journal  
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  Address CVC  
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  Notes ADAS Approved no  
  Call Number (up) ADAS @ adas @ Lop1997 Serial 488  
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