Ultrasound devices, ultrasound methods, and computer-readable media
An ultrasound device, an ultrasound method, and computer-readable medium are provided. The ultrasound device includes: a sensor data receiver configured to receive ultrasound measurement data; a pre-processor configured to reduce noise of the ultrasound measurement data to obtain denoised data based on non-local self-similarity and phase information; a transfer function generator configured to generate a transfer function based on the denoised data; and a visualization circuit configured to generate a visualization of the ultrasound measurement data based on the transfer function and based on the denoised data.
1. An ultrasound device comprising:
a sensor data receiver configured to receive ultrasound measurement data;
a pre-processor configured to reduce noise of the ultrasound measurement data to obtain denoised data based on non-local self-similarity and phase information;
a transfer function generator configured to generate a transfer function based on the denoised data; and
a visualization circuit configured to generate a visualization of the ultrasound measurement data based on the transfer function and based on the denoised data.
2. The ultrasound device of claim 1 ,
wherein the pre-processor is configured to estimate patch similarities of the ultrasound measurement data.
3. The ultrasound device of claim 2 ,
wherein the pre-processor is configured to estimate the patch similarities based on integrating phase information of the ultrasound measurement data into a region covariance descriptor.
4. The ultrasound device of claim 2 ,
wherein the pre-processor is configured to determine a patch group matrix based on the patch similarities.
5. The ultrasound device of claim 4 ,
wherein the pre-processor is configured to determine a denoised matrix of lower rank corresponding to the patch group matrix.
6. The ultrasound device of claim 5 ,
wherein the pre-processor is configured to determine the denoised matrix based on a singular value decomposition of the patch group matrix.
7. The ultrasound device of claim 1 ,
wherein the visualization circuit is configured to use the transfer function to differentiate in the ultrasound measurement data between organs and tissues.
8. The ultrasound device of claim 1 ,
wherein the transfer function generator is configured to determine the transfer function based on clustering of voxels obtained based on the ultrasound measurement data.
9. The ultrasound device of claim 1 ,
wherein the visualization circuit is configured to generate the visualization based on volumetric photon mapping.
10. An ultrasound method comprising:
receiving ultrasound measurement data;
reducing noise of the ultrasound measurement data to obtain denoised data based on non-local self-similarity and phase information;
generating a transfer function based on the denoised data; and
generating a visualization of the ultrasound measurement data based on the transfer function and based on the denoised data.
11. The ultrasound method of claim 10 ,
wherein reducing noise of the ultrasound measurement data based on non-local self-similarity and phase information comprises estimating patch similarities of the ultrasound measurement data.
12. The ultrasound method of claim 11 ,
wherein the patch similarities are estimated based on integrating phase information of the ultrasound measurement data into a region covariance descriptor.
13. The ultrasound method of claim 11 , further comprising:
determining a patch group matrix based on the patch similarities.
14. The ultrasound method of claim 13 , further comprising:
determining a denoised matrix of lower rank corresponding to the patch group matrix.
15. The ultrasound method of claim 14 ,
wherein the denoised matrix is determined based on a singular value decomposition of the patch group matrix.
16. The ultrasound method of claim 10 ,
wherein generating the visualization comprises using the transfer function to differentiate in the ultrasound measurement data between organs and tissues.
17. The ultrasound method of claim 10 ,
wherein the transfer function is determined based on clustering of voxels obtained based on the ultrasound measurement data.
18. The ultrasound method of claim 10 ,
wherein the visualization is generated based on volumetric photon mapping.
19. A non-transitory computer readable medium having stored thereon executable instructions to have an ultrasound device perform an ultrasound method, the ultrasound method comprising:
receiving ultrasound measurement data;
reducing noise of the ultrasound measurement data to obtain denoised data based on non-local self-similarity and phase information;
generating a transfer function based on the denoised data; and
generating a visualization of the ultrasound measurement data based on the transfer function and based on the denoised data.