For our October 2013 issue, we return to the topic of medical image processing. We had last covered recent patents in the area of medical image processing in October 2011. Below, we consider several recent inventions related to the sensing, processing, and visualization of medical images. Number:  8,538,107 Title:  Method for visualizing a sequence of tomographic volume data records for medical imaging Inventors: S. Rottger Issued: September 17, 2013 Assignee:  Siemens Aktiengesellschaft (Munich, Germany) Number:  8,512,249 Title:  Detection of the detachment of immobilized contrast agent in medical imaging applications Inventors: P. Frinking, T. Messager, M. Arditi, N. Rognin Issued: August 20, 2013 Assignee: Bracco International BV (Amsterdam, The Netherlands) Number: 8,435,180 Title: Gain optimization of volume images for medical diagnostic ultrasonic imaging Inventors: C. Simopoulos Issued: May 7, 2013 Assignee: Siemens Medical Solutions USA, Inc. (Malvern, PA) Number:  8,433,388 Title: Source affine reconstruction for medical imaging Inventors: S. D. Blunt, M. Popescu, T. P. Chan Issued: April 30, 2013 Assignee: University of Kansas (Lawrence, KS) Number:  8,320,996 Title: Medical hyperspectral imaging for evaluation of tissue and tumor Inventors: S. Panasyuk, J. Freeman, A. Panasyuk Issued: November 27, 2012 Assignee: Hypermed Imaging, Inc. (Greenwich, CT) Number: 8,310,233 Title: Method for image reconstruction from undersampled medical imaging data Inventors: J. Trzasko, A. Manduca Issued: November 13, 2012 Assignee: MAYO Foundation for Medical Education and Research (Rochester, MN) Number: 8,309,933 Title: Count rate adaptive filter for medical imaging systems Inventors: G. -C. Wang Issued: November 13, 2012 Assignee: Toshiba Medical Systems Corporation (Otawara-shi, Japan) Number: 8,131,038 Title: System and method for global-to-local shape matching for automatic liver segmentation in medical imaging Inventors: K. Saddi, M. Rousson Issued: March 6, 2012 Assignee: Siemens Aktiengesellschaft (Munchen, Germany) Number: 8,386,013 Title: Magnetic resonance imaging (MRI) using ultra short echo times and spiral sampling in K-space Inventors: J. Du, M. Bydder, G. Bydder. Issued: February 26, 2013 Assignee: The Regents of the University of California (Oakland, CA). Number: 8,402,829 Title: Interactive ultrasound-based depth measurement for medical applications Inventors: J. Halevy-Politch, A. Craft Issued: March 26, 2013 Assignee: Jet-Guide Ltd. (Misgav, Israel). If you have an interesting patent to share when we next feature patents related to medical imaging, or if you are especially interested in a signal processing research field that you would want to be highlighted in this section, please send email to Shantanu Rane (rane AT merl DOT com).