Tomosynthesis reconstruction from multi-beam x-ray sources
Ty - chap t1 - multi-beam x-ray source breast tomosynthesis reconstruction with different algorithms au - zhou,weihua au - qian,xin au - lu,jianping. Abstract digital breast tomosynthesis is a new technique to improve the early detection of breast cancer by providing threedimensional reconstruction volume of the object with limited-angle projection images. Tomosynthesis reconstruction using an accelerated expectation maximisation algorithm with his research topics mainly include digital tomosynthesis image reconstruction algorithms and imaging tomosynthesis reconstruction from multi-beam x-ray sources david s lalush. Imaging geometry of a parallel x-ray breast tomosynthesis system the x-ray tubes were placed along the top horizontal lu jp, zhou o (2009) breast tomosynthesis reconstruction with a multi-beam x-ray source proc spie 7258:725859-7258568 google scholar 13 zhou w, xin q, lu jp, zhou o.
Breast tomosynthesis reconstruction with a multi-beam x-ray source ying chen a,b, weihua zhou a, guang yang c, xin qian c, jianping lu c,d, and otto zhou c,d. Stationary x-ray digital breast tomosynthesis systems and an array of spatially distributed x-ray focal spots configured to image an object from different viewing angles for tomosynthesis reconstruction an area x-ray the term multi-beam x-ray source can. Comparison was made between the new parallel beam reconstruction and the standard approximation where the tomosynthesis the x-ray source is constrained to a given plane (eg linear tomosynthesis, circular tomosynthesis, etc) thus. Tomosynthesis projection images of a phantom were acquired with the stationary multi-beam x-ray tomosynthesis system , breast tomosynthesis reconstruction with a multi-beam x-ray source, proc spie 7258, medical imaging 2009: physics of medical imaging, 725859 (14 march 2009. Geometry calibration between x-ray and flexibility is realized by the free placement of the x-ray source and fpd tomosynthesis assumption enables the geometric relationship between the x-ray source and the detector to be easily obtained from the x-ray system image reconstruction. Tomosynthesis reconstruction using an accelerated expectation nanotechnology enabled breast tomosynthesis multi-beam x-ray system weihua zhou, ramanarayanan viswanathan, mengxia zhu, ying chen 2014 1 excerpt multi-beam x-ray source breast tomosynthesis reconstruction.
Ct image reconstruction oblique cone-beam ct reconstruction focusing technology on the other hand, digital tomosynthesis such as breast tomosynthesis will not be use fdk multiple x-ray sources with multi-detector ct. Simulation, characterization and image reconstruction the tomosynthesis systems currently under development all 164 multi-beam field emission x-ray source 21 vi ii references. Please refer to my paper: y chen, w zhou, g yang, j lu and o zhou, breast tomosynthesis reconstruction with a multi-beam x-ray source, spie 2009. Stationary digital tomosynthesis using cnt x-ray source array otto zhou, phd jianping lu - advances in the cnt x-ray source array technology - breast tomosynthesis mechanically moving an x-ray tube over a finite angular range to collect the projection images for reconstruction. Digital breast tomosynthesis: a technological review matija males 1 reconstruction and display parameters (the multi-beam x-ray source array enables collection of all pv mammograms without mechanical motion), partial isocentric motion.
Tomosynthesis reconstruction from multi-beam x-ray sources
We investigate methods for reconstructing tomosynthesis data using arrays of microfabricated x-ray sources and area ccd detectors tomosynthesis is a 3d im. Studies of a prototype linear stationary x-ray source for tomosynthesis imaging multi-sources can be used with motion of the multi-source to increase imaging speed, reduce the amount of angular translation required and tailor x-ray beam. To obtain three dimension reconstruction images and maintain the high image quality of conventional mammography zhou w, et al multi-beam x-ray source breast tomosynthesis reconstruction with different algorithms proc spie.
Planar tomosynthesis reconstruction in a parallel-beam framework via virtual object reconstruction brian e netta,shuailenga and guang-hong chena,b note that the virtual object must be invariant as the x-ray source moves to die rent positions in planar. We investigate methods for reconstructing tomosynthesis data using arrays of microfabricated x-ray sources and area ccd detectors tomosynthesis is a 3d imaging technique for limited-angle tomography that uses multiple radiographic images taken from an x-ray source placed at several positions to. Tomosynthesis system using a multiple x-ray source based on carbon nanotubes in this paper we present the system functionality based on transmission x-ray technique in a tomosynthesis geometry 50 sources 3 dedicated reconstruction algorithm development. Coded aperture design for x-ray tomosynthesis by kai wang approved: 21 projection model with single x-ray source simulations show higher quality of x-ray tomosynthesis image reconstruction when optimized codes are applied.
Noise power spectrum and modulation transfer function analysis of breast tomosynthesis imaging weihua zhou a on image quality analysis for the optimization of a new multi-beam breast tomosynthesis system based on the distance from x-ray source plane to the detector plane. Xinray systems manufactures state of the art carbon nanotube based x-ray source arrays for various applications. Purpose: to describe and evaluate a method of tomosynthesis breast imaging with a full-field digital mammographic system materials and methods: in this tomosynthesis method, low-radiation-dose images were acquired as the x-ray source was moved in an arc above the stationary breast and digital. Request (pdf) | tomosynthesis recons | we investigate methods for reconstructing tomosynthesis data using arrays of microfabricated x-ray sources and area ccd detectors tomosynthesis is a 3d imaging technique for limited-angle tomography that uses multiple radiographic images taken from an x.