N. Sponheim

Quantitative results in ultrasonic tomography of large objects using line sources and curved detector arrays

N. Sponheim, Leiv J. Gelius, I. Johansen et al. · IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control · 1991 · 50 citations

Image Reconstruction, Curved Detector Array, Engineering +25

A generalized diffraction tomography algorithm

Leiv J. Gelius, I. Johansen, N. Sponheim et al. · The Journal of the Acoustical Society of America · 1991 · 37 citations

Image Reconstruction, Engineering, Reconstruction Technique +13

Experimental Results in Ultrasonic Tomography Using a Filtered Backpropagation Algorithm

N. Sponheim, Ingvild Johansen · Ultrasonic Imaging · 1991 · 24 citations

Computed Tomography, Biomedical Acoustics, Image Reconstruction +21

Ultrasonic Tomography of Biological Tissue

N. Sponheim, Leiv J. Gelius, I. Johansen et al. · Ultrasonic Imaging · 1994 · 15 citations

Computed Tomography, Biomedical Acoustics, Image Reconstruction +18

An in vitro study on the influence of limited frequency resolution on contrast agent-enhanced Doppler signals

N. Sponheim, Marte Myhrum · Ultrasonics · 1996 · 15 citations

Engineering, Vitro Study, Contrast Agent +4