Anatomical Phase Extraction (APE) Method: A Novel Method to Correct Detrimental Effects of Tissue-Inhomogeneity in Referenceless MR Thermometry—Preliminary Ex Vivo Investigation

Figure 3

Flowchart of APE procedures. : baseline phase image when the moving objects are at position (note that = + ); matrix : records the effect of ; : equals the convolution of (, ); : susceptibility phase signal when the moving objects are at position ; : background tissue phase signal when the moving objects are at position .