k-Wave User Forum » Topic: How to get the restriction operator H onto the receiver position ? (P=HS)

k-Wave User Forum » Topic: How to get the restriction operator H onto the receiver position ? (P=HS) http://www.k-wave.org/forum/topic/how-to-get-the-restriction-operator-h-onto-the-receiver-position-phs Support for the k-Wave MATLAB toolbox en-US Wed, 13 May 2026 00:51:05 +0000 http://bbpress.org/?v=1.0.2 <![CDATA[Search]]> q http://www.k-wave.org/forum/search.php bencox on "How to get the restriction operator H onto the receiver position ? (P=HS)" http://www.k-wave.org/forum/topic/how-to-get-the-restriction-operator-h-onto-the-receiver-position-phs#post-6179 Sun, 29 Oct 2017 23:23:53 +0000 bencox 6179@http://www.k-wave.org/forum/ Hi Lirj, Have a look at this paper from Mark Anastasio's group: Huang, C., Wang, K., Nie, L., Wang, L. V, & Anastasio, M.A. (2013). Full-wave iterative image reconstruction in photoacoustic tomography with acoustically inhomogeneous media. IEEE Transactions on Medical Imaging, 32(6), 1097–110. <a href="http://doi.org/10.1109/TMI.2013.2254496" rel="nofollow">http://doi.org/10.1109/TMI.2013.2254496</a> Best wishes, Ben lirj on "How to get the restriction operator H onto the receiver position ? (P=HS)" http://www.k-wave.org/forum/topic/how-to-get-the-restriction-operator-h-onto-the-receiver-position-phs#post-6165 Thu, 26 Oct 2017 07:16:53 +0000 lirj 6165@http://www.k-wave.org/forum/ Hi Dr. Treeby and Dr. Cox, If I express the ultrasound propogation in a hemerogenous medium in operator form as P=HS, S is the source signal, P is the received pressure signals, H is the restriction operator onto the receiver positions. How can I get the matrix H? I want to get the matrix H with concrete values. Best regards! Thanks. Lirj