After completing the developed module based on ITK-SNAP, all students attained sufficient mastery of the image segmentation process to independently apply the technique to extract a new body part from clinical imaging data. ITK-SNAP was identified as the best software package for this application because it is free, easiest to learn, and includes a powerful, semi-automated segmentation tool. This module was implemented in three different engineering courses, impacting more than 150 students, and student achievement of learning goals was assessed. After selecting the package best suited for a stand-alone course module on medical image segmentation, instructional materials were developed that included a general introduction to imaging, a tutorial guiding students through a step-by-step process to extract a skull from a provided stack of CT images, and a culminating assignment where students extract a different body part from clinical imaging data.
Five commercially available software packages were evaluated based on their perceived learning curve, ease of use, tools for segmentation and rendering, special tools, and cost: ITK-SNAP, 3D Slicer, OsiriX, Mimics, and Amira. outboard from 100 fsw.To support recent trends toward the use of patient-specific anatomical models from medical imaging data, we present a learning module for use in the undergraduate BME curriculum that introduces image segmentation, the process of partitioning digital images to isolate specific anatomical features. However, I'm still waiting for that guy to offer $1,000 for me to lift and retrieve his $3K 100 lb. Fairly advanced physics and physiology (well, fairly advanced for ME), certainly can't hurt-no knowledge can hurt. I may have used 20-30% of the knowledge I gained in college while teaching Band the following 19 years. I would think this is not really a bad thing. I've heard that the "new" DM class has a lot less emphasis on physics and more on practical stuff (adding a Deep & S&R aspect). Knowing all the knowledge is the goal, and memorizing what PADI wants you to memorize certainly can't hurt. There is also the fact that PADI's wording of the odd question is open to interpretation (though I found this more true in other exams I took, like OW, Rescue and perhaps Nitrox).
There is a good point made about answering the way PADI wants, etc. I got 10 wrong out of 160 and know of some who did better. I was one of the last to do the "old" DM exams pre-2010 (8 tests, 20 questions each-I believe a 75 needed on each).
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