http://www.k-wave.org/forum/topic/problem-for-gpuarray-types-of-datacast-in-time-reversal-reconstruction Support for the k-Wave MATLAB toolbox en-US Thu, 14 May 2026 20:12:10 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/problem-for-gpuarray-types-of-datacast-in-time-reversal-reconstruction#post-8844 Thu, 22 Jun 2023 06:26:01 +0000 cws0104 8844@http://www.k-wave.org/forum/ <p>Hello, all of the experts,</p> <p>I have finished the simulation using the gpuArray types of Datacast to accelerate the speed of the simulation.<br /> I now struggle to perform the time-reversal reconstruction to fabricate an acoustic hologram.<br /> However, the stimulated (or numerically acquired) values of sensor_data can not be directly inserted in the sensor.time_reversal_boundary_data since the casting data is gpuArray (4D).</p> <p>Here is the basic procedure to perform time-reversal reconstruction as everyone can find elsewhere in the codes relevant to the TR:<br /> I first stated clearvars to remove the initial source pressure: source.p = 0;<br /> And then the value of acquired sensor_data is directly inserted into the sensor.time_reversal_boundary_data: sensor.time_reversal_boundary_data = sensor_data;</p> <p>I wonder whether the measured value of sensor_data that is types of GPUarray can be directly inserted into the sensor.time_reversal_boudnary_data. If we can not, could you suggest the appropriate approaches to insert the values into the matrix? Thank you for your help in advance :). </p>