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Songbai Ji Phones & Addresses

  • Westborough, MA
  • Shrewsbury, MA
  • 110 Storrs Hill Rd, Lebanon, NH 03766 (603) 442-9593
  • Ashford, CT
  • Fairfax, VA
  • Philadelphia, PA
  • Saint Louis, MO
  • Rochester, NY
  • 7 College Ave, Lebanon, NH 03766

Publications

Us Patents

System And Method For Providing Registration Between Breast Shapes Before And During Surgery

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US Patent:
20140044333, Feb 13, 2014
Filed:
Feb 17, 2012
Appl. No.:
14/000068
Inventors:
Songbai Ji - Lebanon NH, US
Keith D. Paulsen - Hanover NH, US
Matthew J. Pallone - Hartford VT, US
Assignee:
Dartmouth College - Hanover NH
International Classification:
G06T 7/00
US Classification:
382131
Abstract:
A registration framework is presented that registers volumetric breast images captured before surgery with intraoperative surface images. The framework may be implemented using either image-based or model-based registration techniques. The method contains the steps of: identifying an air/tissue boundary from a volumetric image created at a first time; processing the volumetric image with an image filter to emphasize the air/tissue boundary; and registering a surface optically scanned image, with the filtered volumetric image, where the surface optically scanned image is created at a second time.

System And Method For Registering Ultrasound And Magnetic Resonance Images

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US Patent:
20140056498, Feb 27, 2014
Filed:
Nov 15, 2011
Appl. No.:
13/885270
Inventors:
Songbai Ji - Lebanon NH, US
David W. Roberts - Lyme NH, US
Alex Hartov - Enfield NH, US
Keith D. Paulsen - Hanover NH, US
Assignee:
Dartmouth College - Hanover NH
International Classification:
G06T 7/00
US Classification:
382131
Abstract:
A system and methods are presented for emulating the appearance of prominent features captured in ultrasound through directional dilation of a magnetic resonance gradient image along a direction determined by the relative ultrasound scan-head location with respect to the magnetic resonance gradient image in order to improve the robustness and reliability of registration.

System And Method For Providing Patient Registration Without Fiducials

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US Patent:
20120215093, Aug 23, 2012
Filed:
Aug 27, 2010
Appl. No.:
13/392173
Inventors:
Songbai Ji - Lebanon NH, US
David W. Roberts - Lyme NH, US
Alex Hartov - Enfield NH, US
Keith D. Paulsen - Hanover NH, US
Assignee:
Dartmouth College - Hanover NH
International Classification:
A61B 8/13
A61B 5/055
US Classification:
600411, 600443
Abstract:
A method for providing patient registration without fiducials comprises the steps of: spatially placing an ultrasound image of a patient randomly at different starting positions relative to a preoperative image; creating an independent registration corresponding to each different starting positions, by optimizing a spatial transformation between the preoperative image and the ultrasound image to provide a first batch of registrations; executing a second registration to fine-tune the alignment between the preoperative image and the ultrasound image; and concatenating the spatial transformation to obtain spatial transformation between the patient in an operating room and a corresponding preoperative image.
Songbai Ji from Westborough, MA, age ~47 Get Report