Hi,
In the ultrasound image form real device (bottom), the vertebra surface shows a strong bright echo at the bone interface, while in the simulated image (up) the transition is much smoother.
How can I reproduce this bright bone surface reflection in Hybrid Ultrasound Simulation?
Thanks.
Hi,
let’s first check the precondition: For the hybrid simulation, we must make sure that all the label values correspond to the correct tissue (background = 1, bone = 13, etc.). I assume that you did this correctly.
If you want to change the appearance of the scattering at the boundary between two tissues, you can tune the tissue properties of the two adjacent labels. In your case, I would start playing with the bone properties:
I started with the properties from this config file (you can copy the content of the file and paste it into the algorithm dialog by clicking on the three dots ... → Paste configuration)
I changed two values to make the bone appear brighter and broaden the reflection by increasing z (e.g. 90e5) and s0 (1.5) a lot.
Here is an example with the default and the changed settings.
Please note that the hybrid simulation tries to imitate and simulate basic physical principles. However, it is very hard to get realistic simulations using literature value. So, it is completely valid to tune the parameters to achieve the desired image quality.
Best regards,
Christian
