A comparison between spline-based and phase-domain time-delay estimatorsVIOLA, Francesco; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2006, Vol 53, Num 3, pp 515-517, issn 0885-3010, 3 p.Article

A spline-based algorithm for continuous time-delay estimation using sampled dataVIOLA, Francesco; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2005, Vol 52, Num 1, pp 80-93, issn 0885-3010, 14 p.Article

A comparison of the performance of time-delay estimators in medical ultrasoundVIOLA, Francesco; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2003, Vol 50, Num 4, pp 392-401, issn 0885-3010, 10 p.Article

A novel beamformer design method for medical ultrasound. Part II: Simulation resultsRANGANATHAN, Karthik; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2003, Vol 50, Num 1, pp 25-39, issn 0885-3010, 15 p.Article

SUPER-RESOLUTION IMAGE RECONSTRUCTION USING DIFFUSE SOURCE MODELSELLIS, Michael A; VIOLA, Francesco; WALKER, William F et al.Ultrasound in medicine & biology. 2010, Vol 36, Num 6, pp 967-977, issn 0301-5629, 11 p.Article

Optimal apodization design for medical ultrasound using constrained least squares. Part I: TheoryGUENTHER, Drake A; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2007, Vol 54, Num 2, pp 332-342, issn 0885-3010, 11 p.Article

Generalized Cystic Resolution : A Metric for Assessing the Fundamental Limits on Beamformer PerformanceGUENTHER, Drake A; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2009, Vol 56, Num 1, pp 77-90, issn 0885-3010, 14 p.Article

Robust Finite Impulse Response Beamforming Applied to Medical UltrasoundGUENTHER, Drake A; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2009, Vol 56, Num 6, pp 1168-1188, issn 0885-3010, 21 p.Article

A method for accurate in silico modeling of ultrasound transducer arraysGUENTHER, Drake A; WALKER, William F.Ultrasonics (Guildford). 2009, Vol 49, Num 4-5, pp 404-412, issn 0041-624X, 9 p.Article

Optimal apodization design for medical ultrasound using constrained least squares. Part II: Simulation resultsGUENTHER, Drake A; WALKER, William F.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2007, Vol 54, Num 2, pp 343-358, issn 0885-3010, 16 p.Article

A spline-based approach for computing spatial impulse responsesELLIS, Michael A; GUENTHER, Drake; WALKER, William F et al.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2007, Vol 54, Num 5, pp 1045-1054, issn 0885-3010, 10 p.Article

Spline based time delay estimationVIOLA, Francesco; WALKER, William F.Asilomar Conference on Signals, Systems & Computers. 2004, isbn 0-7803-8622-1, 2Vol, vol 1, 173-177Conference Paper

Ultrasonic imaging and signal processing (San Diego CA, 15-17 January 2005)Walker, William F; Emelianov, Stanislav Y.SPIE proceedings series. 2005, isbn 0-8194-5724-8, IX, 526 p, isbn 0-8194-5724-8Conference Proceedings

Ultrasonic imaging and signal processing (San DIego CA, 18-20 February 2003)Walker, William F; Insana, Michael F.SPIE proceedings series. 2003, isbn 0-8194-4836-2, IX, 536 p, isbn 0-8194-4836-2Conference Proceedings

Determination of an optimal image frame interval for frame-to-frame ultrasound image motion trackingHA, Jun S; WALKER, William F; HOSSACK, John A et al.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2005, Vol 52, Num 3, pp 386-396, issn 0885-3010, 11 p.Article

Tissue elasticity using acoustic radiation forceNEGRON, Laura A; WALKER, William F; FERNANDEZ, Francisco J et al.SPIE proceedings series. 2000, pp 306-314, isbn 0-8194-3599-6Conference Paper

Novel transmit protection scheme for ultrasound systemsFULLER, Michael I; BLALOCK, Travis N; HOSSACK, John A et al.IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2007, Vol 54, Num 1, pp 79-86, issn 0885-3010, 8 p.Article

Development of a parallel acquisition system for ultrasound researchFABIAN, Christopher M; BALLU, Kailash N; HOSSACK, John A et al.SPIE proceedings series. 2001, pp 54-62, isbn 0-8194-4011-6Conference Paper

The significance of correlation in ultrasound signal processingWALKER, William F.SPIE proceedings series. 2001, pp 159-171, isbn 0-8194-4011-6Conference Paper

Novel approaches to angular scatter imaging using the translating apertures algorithmMCALLISTER, Michael J; WALKER, William F.SPIE proceedings series. 2000, pp 360-369, isbn 0-8194-3599-6Conference Paper