Table 1 SNR comparison. The combination of a 32-channel cardiac array and Karhunen-Loeve image filter is utilized to maintain SNR in highly accelerated real-time cine imaging.
| Â | 12-channel unfiltered | 32-channel unfiltered | p value 2-channel vs. 32-channel unfiltered | 32-channel KLT-filtered | p value 32-channel unfiltered vs. KLT filtered |
|---|---|---|---|---|---|
No TSENSE | 97.8 ± 20.7 | 90.6 ± 26.3 | 0.4775 | n/a | n/a |
TSENSE Rate 3 | 31.9 ± 2.4 | 28.6 ± 4.3 | 0.1151 | 61.9 ± 10.3 | 0.0011 |
TSENSE Rate 4 | 20.4 ± 3.7 | 22.2 ± 3.8 | 0.0605 | 48.8 ± 6.5 | < 0.001 |
TSENSE Rate 5 | 10.9 ± 3.3 | 15.2 ± 4.7 | 0.0556 | 38.6 ± 9.3 | < 0.001 |