http://www.k-wave.org/forum/topic/define-gray-scale-target-of-qa-phantom Support for the k-Wave MATLAB toolbox en-US Wed, 13 May 2026 01:51:32 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/define-gray-scale-target-of-qa-phantom#post-7093 Fri, 18 Oct 2019 20:23:17 +0000 Bradley Treeby 7093@http://www.k-wave.org/forum/ <p>Hi Gwansuk,</p> <p>Could you ask the manufacturer what the properties are, or perhaps they are reported in a paper?</p> <p>It's not something we've ever tried to do unfortunately.</p> <p>Brad. </p> http://www.k-wave.org/forum/topic/define-gray-scale-target-of-qa-phantom#post-7073 Tue, 08 Oct 2019 23:31:32 +0000 Gwansuk 7073@http://www.k-wave.org/forum/ <p>Hi all<br /> there is an example of the B-mode image.<br /> (example us_bmode_linear_transducer.m)<br /> Does anyone who knows the acoustic properties to mimic contrast sensitivity target of ultrasound QA phantom (ex, ATS 539)<br /> the contrast targets in ATS539 are -15dB, -6dB, -3dB, 3dB, 6dB, and 15dB.</p> <p>Thanks<br /> Gwansuk </p> http://www.k-wave.org/forum/topic/define-gray-scale-target-of-qa-phantom#post-7063 Mon, 30 Sep 2019 03:07:46 +0000 Gwansuk 7063@http://www.k-wave.org/forum/ <p>Hi All,</p> <p>Anyone who knows the acoustic properties or how to define the grayscale target in Ultrasound QA Phantom?<br /> Ultrasonic QA phantom typically has several grayscale targets ranging from -15 dB to +15 dB.<br /> (e.g., ATS Model 539)<br /> Has anyone ever simulated an ultrasound QA phantom with k-Wave?</p> <p>Thanks<br /> Gwansuk Kang </p>