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Table 1 Considerations for implementing different gating strategies

From: On transcending the impasse of respiratory motion correction applications in routine clinical imaging - a consideration of a fully automated data driven motion control framework

  Hardware-driven strategies Data-driven gating
Requires changes to clinical image acquisition procedures x  
Requires additional hardware x  
Requires additional software x x
Requires additional setup time x  
Prone to setup error x  
Information irrecoverable if acquisition error x  
Decreases clinical throughput x  
Requires additional training of technologists x  
Increases radiation exposure to technologists x  
May cause patient discomfort x  
Require further establishment before routine clinical use x x
Operator independent  
Can be acquired and reacquired from an existing data set (if needed)  
Non-specific to scan/machine/institution  
Driven with internal motion