acquisition matrix
Digital imaging parameter defining the number of data points collected in each spatial dimension during image formation.
Full Definition
Acquisition matrix represents the fundamental digital imaging parameter that determines the number of data sampling points collected in each spatial dimension during the imaging process. In vascular imaging, matrix size directly impacts spatial resolution, image sharpness, and ability to resolve small vessel details. Larger matrices provide superior spatial resolution but require longer acquisition times and higher radiation doses in CT or increased scan times in MRI. The relationship between matrix size, field of view, and pixel size determines the final image quality and diagnostic capability. Modern vascular imaging protocols optimize matrix parameters based on clinical indication, patient factors, and required temporal resolution for dynamic studies.
Usage
Usage note: Document matrix parameters to enable protocol reproduction and quality assessment.
In Context
- "The 512 x 512 acquisition matrix provided adequate spatial resolution for carotid plaque characterization." — MR vessel wall imaging protocol
- "Increased acquisition matrix to 1024 x 1024 improved visualization of small intracranial vessels." — High-resolution neurovascular imaging