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Magnetic Resonance Imaging is one of most important imaging technique, however, it still needs a lot of improvement to enhance the quality of the image and reduce time. In this report, the issue that has been focus on is who to reduce time of reconstruction while maintaining or improving the image feature. There so many methods of reconstructing an image of MRI such as GRAPPA, SENSE and SMASH. Two of them were used to be improved are GRAPPA (Generalized Auto-calibrating Partially Parallel Acquisitions) and SENSE(Sensitivity Encoding). Deep research on MRI has helped to develop various image reconstruction techniques with a goal of minimize the scan time while keeping or increasing the image quality. Some of these techniques are affected negatively by the technical and physiologic problems or artifacts that happen when magnetic field gradients are switched in a short time. For example, peripheral nerve stimulation can be caused by the switched magnetic field gradients. However, these limitations or problems can be solved by some of the proposed parallel imaging techniques. Parallel imaging is the most efficient and newest imaging technique and is counted to be the most effective. SENSE (Sensitivity Encoding), GRAPPA (Generalized Auto-calibrating Partially Parallel Acquisitions) and NL-GRAPPA (Nonlinear GRAPPA) are between many other common parallel imaging techniques. However, parallel imaging still has some problems when reconstructing images and therefore it requires more improvement and research.
This paper aims to study the image reconstruction of two of those common methods, NL-GRAPPA & SENSE, as images for both were produced and comparison to other methods. In this thesis we were able to successfully reconstruct NL-GRAPPA images and partially completing SENSE using MATLAB for both methods.
Suppose that you join the witness protection program and move to another city with a new identity. Can you make friends with people there even though you cannot fully disclose important aspects of your life?
Calculate the current flow and describe its probable path. Will the breaker likely be tripped? Is there a risk of electrocution? If so what factors contribute to the risk?
Programs are often smaller pieces of a larger human services organization. How will the organization's mission affect your program?
Consider also how parents' preferences, parents' utility functions, and household time and budget constraints affect choices regarding how parents might choose to invest in their children's education.
What is "lag" and why would you need to use it in your network? How is "lag" different than "slack"? What are the purposes of Gantt charts and Network diagrams? In the network computation process what is a backward pass and what four things does it d..
the case scenario assignments for this class will be found in unit iv scenarios 1 and 2 and unit viii scenarios 3 and
go to the bureau of labor statistics website at www.bls.gov and click on subject areas tab then on international link
What do you think is the potential impact of inaccurate data on decision making?
If Prudence was convicted of importing drugs in 1998 and released from imprisonment for that crime in 2005, should that conviction be admitted to impeach her if she testifes at Alexander is tried in federal court in 2012 for perjury? Why or Why not?
I understand that it involves comparing statistical analysis but most of my research on "discriminate analysis" is taking me to medical references.
Write an essay on Teen employment in Cambodia
List the major provisions of U.S. Labor laws and their underlying logic and rationale. Also, explain the role of the National Labor Relations Board (NLRB) in U.S. labor relations. Discuss how the NLRB has evolved since inception.
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