Freehand Ultrasound Reconstruction Based on ROI Prior Modeling and Normalized Convolution

R. San Jose Estepar, M. Martin-Fernandez, C. Alberola-Lopez, J. Ellsmere, R. Kikinis, C.-F. Westin
Sixth International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI'03), Lecture Notes in Computer Science 2879
Pages 382-390
November 15-18, 2003

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Abstract

3D freehand ultrasound imaging is becoming a widespread technique in medical examinations. This imaging technique produces a set of irregularly spaced B-scans. Reconstructing a regular grid from these B-scans is a challenging problem that enables the visualization an further analysis of the acquired data. This paper focuses on extending an existing method [1] to define the output reconstruction grid based on principal component analysis (PCA). Our method introduces a model for the region of interest (ROI) in order to adapt the grid to the ROI. In addition, a technique based on normalized convolution is proposed for the interpolation problem. A new applicability function based on the correlation function of a linear probe is used to avoid inter-resolution cell blurring.

Interpolation results. (a) Original slices: a thyroid (top), a hepatic vein of a pig (bottom). Details for the thyroid case (b) and pig hepatic vein (c). From top to bottom, left to right: original, missing data, NN, DW, TgLinear and NC.

Reference

San Jose Estepar R, Martin-Fernandez M, Alberola-Lopez C, Ellsmere J, Kikinis R, Westin CF. Freehand ultrasound reconstruction based on roi prior modeling and normalized convolution. In RE Ellis, TM Peters, eds., Sixth International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI'03), Lecture Notes in Computer Science 2879. Montreal, Canada: Springer Verlag, 2003;382-390.

Bibtex entry

@InProceedings{san-joseMICCAI03,
  author         = {R. {San Jose Estepar} and M. Martin-Fernandez and C.       
                   Alberola-Lopez and  J. Ellsmere and R. Kikinis and C.-F.    
                   Westin},                                                    
  title          = {Freehand Ultrasound Reconstruction Based on ROI Prior      
                   Modeling and  Normalized Convolution},                      
  editor         = {R. E. Ellis and T. M. Peters},                             
  booktitle      = {Sixth International Conference on Medical Image Computing  
                   and  Computer-Assisted Intervention (MICCAI'03), Lecture    
                   Notes in Computer Science 2879},                            
  pages          = {382--390},                                                 
  year           = {2003},                                                     
  address        = {Montreal, Canada},                                         
  month          = {November 15--18},                                          
  publisher      = {Springer Verlag},                                          
  note           = {}
}

Grants

NIH P41-RR13218 (NAC), CIMIT

Research area

US

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