In this study we have realized a real-time free-running cardiac imaging technique which can provide a continuous high-temporal-resolution movie of the heart during the whole acquisition process. This technique is based on the constrained partial separable model, which has been elaborately designed and optimized to achieve maximum reconstruction speed. Over two thousands dynamic frames of the heart can be acquired and reconstructed in just only 1 minute, without any ECG or respiratory monitoring devices needed. This technique has great potential for the cardiac imaging for patients with arrhythmia.
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