'Ct number' diaporamas de présentation

Principle of Computed tomography

Principle of Computed tomography. ????????????. Introduction. In 1950 ? Allan M. Cormack develop the theoretical and mathematical methods used to reconstruct CT images.

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RADIATION PROTECTION IN DIAGNOSTIC AND INTERVENTIONAL RADIOLOGY

IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology. RADIATION PROTECTION IN DIAGNOSTIC AND INTERVENTIONAL RADIOLOGY. Part 18: Optimization of protection in CT scanner Practical exercise - Quality Control. Contents. Quality control tests

1.26k views • 64 slides

?????? (2)

?????? (2). Introduction to Computerized Tomography. ??????. ?????? : ?????? ????? 07-3121101~2755 yukkwa@kmu.edu.tw. ? ? ? ?. References for the present lecture. Historical perspective. CT scanner components. Generations of CT machine. CT number.

647 views • 41 slides

CT Image Quality

1.19k views • 40 slides

Real Time PCR = Quantitative PCR

Real Time PCR = Quantitative PCR. on genomic DNA= measure the copy number of a genomic target sequence. on cDNA = compare transcription level of a target gene between different samples (RT-PCR). Goal of Q-PCR:

784 views • 38 slides

Introduction to Computerized Tomography Dr / Ibrahim Alshikh

Introduction to Computerized Tomography Dr / Ibrahim Alshikh. References for the present lecture. Historical perspective. CT scanner components. Generations of CT machine. CT number. Window level and width. Use of contrast medium. References for the present lecture.

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Ph.D. Student Ben Niu Supervisor: Ass.Prof. Alexander A. Shapiro Ass. Prof. Wei Yan

Phase Identification and Saturation Determination in Carbon Dioxide Flooding of Water Flooded Chalk Using X-ray Computed Tomography. Ph.D. Student Ben Niu Supervisor: Ass.Prof. Alexander A. Shapiro Ass. Prof. Wei Yan Prof. Erling H. Stenby. Content. Introduction Aim of the study

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389 views • 24 slides

Advanced Biomedical Imaging

Lecture 6 Basic physical principles of computed tomography & Image formation. Advanced Biomedical Imaging. Dr. Azza Helal A. Prof. of Medical Physics Faculty of Medicine Alexandria University. Points to be covered Linear Tomography Components of computed tomography unit

527 views • 22 slides

CT Scans - the principles

CT Scans - the principles. Craig Douglas. General Info. It is an X-ray imaging method Formation of an image is a distinct two stage process Principles described by Dr. Alan Cormack First system devised by Dr. Godfrey Hounsfield. The Process. Step 1- Scanning:

512 views • 18 slides

Dues

218 views • 10 slides

Quality Control

Quality Control. Bushong Chapter 10. QC. The CT number of water should be 0 Scan a water phantom, select a large enough region of interest (ROI), the average CT number should be within +/- 3

143 views • 7 slides