نتایج جستجو برای: observer variation

تعداد نتایج: 323330  

2014
Lu Guo Shuming Shen Eleanor Harris Zheng Wang Wei Jiang Yu Guo Yuanming Feng

PURPOSE To develop a tri-modality image fusion method for better target delineation in image-guided radiotherapy for patients with brain tumors. METHODS A new method of tri-modality image fusion was developed, which can fuse and display all image sets in one panel and one operation. And a feasibility study in gross tumor volume (GTV) delineation using data from three patients with brain tumor...

2002
Chris Clarkson

Archaeologists are increasingly in need of quantitative measures of stone artefact retouch. Existing techniques fail to provide a generic measure of retouching for all chipped stone artefacts. A fast and reliable index is proposed which measures retouch in terms of the invasiveness of flake scars on the surfaces of complete stone artefacts. Unlike other measures, the index of invasiveness is we...

Journal: :The Journal of Bone and Joint Surgery. British volume 1991

Journal: :Scandinavian Journal of Primary Health Care 1987

Journal: :Clinical science 1993
P Demolis S Chalon J F Giudicelli

1. Transcranial Doppler measurements of the mean blood flow velocity and the resistance index in the middle cerebral artery are used to assess cerebral haemodynamics. The prerequisite for the use of these parameters in clinical pharmacology studies is an evaluation of their repeatability and spontaneous variation with time. 2. Repeatability of transcranial Doppler measurements of mean blood flo...

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