volumetric automatic breast density assessment in an …：容量自動乳腺密度評估一…-文庫吧
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【正文】 nd et al 2022 ? Improved upon SMF ? Full Field Digital Mammography (FFDM) ? Utilized DICOM headers The Model [2] Volumetric ? Based on Van Engeland’s algorithm [4] ? Tissue position is puted at each pixel and represents a rectangular cylinder of tissue ? Area of the pixel is puted from detector characteristics and the geometry of acquisition. ? Height of the rectangular cylinder is puted from the pression thickness. RADBuilder Process S o X I P L o a dD I C O MS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rS o X I P B r e a s tT o t a lT is s u eV o lu m eC a lc u la t io nS o I t k M u lt ip lyI m a g e F ilt e rS o X I P B r e a s tD e n s eT is s u e V o lu m eC a lc u la t io nS o X I P L in e a rA t t e n u a t io nC o e f f ic ie n t sC a lc u la t o r S e p a r a t o rS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rRADBuilder Process S o X I P L o a dD I C O MS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rS o X I P B r e a s tT o t a lT is s u eV o lu m eC a lc u la t io nS o I t k M u lt ip lyI m a g e F ilt e rS o X I P B r e a s tD e n s eT is s u e V o lu m eC a lc u la t io nS o X I P L in e a rA t t e n u a t io nC o e f f ic ie n t sC a lc u la t o r S e p a r a t o rS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rSoXIPLoadDICOM ? Loads … ? DICOM Image Pixel Data ? Necessary DICOM Header Information RADBuilder Process S o X I P L o a dD I C O MS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rS o X I P B r e a s tT o t a lT is s u eV o lu m eC a lc u la t io nS o I t k M u lt ip lyI m a g e F ilt e rS o X I P B r e a s tD e n s eT is s u e V o lu m eC a lc u la t io nS o X I P L in e a rA t t e n u a t io nC o e f f ic ie n t sC a lc u la t o r S e p a r a t o rS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rSoItkBinaryThresholdImageFilter ? Each pixel pared to threshold value ? Output image of 0 and 1 values Input Output RADBuilder Process S o X I P L o a dD I C O MS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rS o X I P B r e a s tT o t a lT is s u eV o lu m eC a lc u la t io nS o I t k M u lt ip lyI m a g e F ilt e rS o X I P B r e a s tD e n s eT is s u e V o lu m eC a lc u la t io nS o X I P L in e a rA t t e n u a t io nC o e f f ic ie n t sC a lc u la t o r S e p a r a t o rS o I t k B in a r yT h r e s h o ldI m a g e F ilt e rSoItkMultiplyImageFilter ? Pixelwise multiplication of two images ? Lays background mask on top of original image Input 1 Input 2 Output RADBuilder Process S o X I P L o a dD I C O MS o I t k B in a r yT h r e s
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