{"id":1625,"date":"2008-01-17T10:17:07","date_gmt":"2008-01-17T15:17:07","guid":{"rendered":"https:\/\/engineering.jhu.edu\/magazine-archive\/?p=1625"},"modified":"2014-12-17T10:18:08","modified_gmt":"2014-12-17T15:18:08","slug":"final-exam-4","status":"publish","type":"post","link":"https:\/\/engineering.jhu.edu\/magazine-archive\/2008\/01\/final-exam-4\/","title":{"rendered":"Final Exam"},"content":{"rendered":"\"final_exam\"<\/a>\n

\u201cWe\u2019re in the danger zone.\u201d<\/strong> That\u2019s how senior Rodwitt Lai describes the Senior Design project he and fellow team members Eric Ngeo and Joel Frankford are working on in the Department of Computer Science. The course, led by Lecturer Peter Froehlich, matches real-world clients with teams of seniors who spend a semester working on technical problems no one else has been able to solve.<\/p>\n

Lai\u2019s team is improving the image analysis software used by the National Institute on Aging (NIA). \u201cThey have all these images of cells,\u201d Frankford explains, \u201cand they use a computer program to classify them as healthy or unhealthy cells. The user needs to make sure the software is functioning correctly and, if necessary, identify where in the process the computer makes a mistake. We\u2019re building the software to do that.\u201d<\/p>\n

The danger? \u201cThe work we are doing is under very strict guidelines because we are changing code that is in active use,\u201d Lai explains. \u201cWe could introduce problems that could crash the entire system.\u201d<\/p>\n

The other team of three has the opposite scenario. Their project, proposed by an independent software engineer in California, wants an \u201cadd-on\u201d that will give users of the Web browser Firefox document-sharing capabilities.<\/p>\n

\u201cWe\u2019re making our own side program and plugging it into the Firefox browser,\u201d explains Firefox team member Ben Schuster. Unlike the NIA project, this one allows Schuster and teammates Ayse Sabuncu and Ryan McLelland to work with whatever programming language they choose.<\/p>\n

Nevertheless, the Firefox team ultimately has to sweat it out for three weeks before figuring out how to get the add-on to actually appear in the Firefox browser. \u201cWe\u2019re on a good road toward finishing now,\u201d reports Sabuncu, late in the semester. For the NIA team, success is defined as their ability to make progress.<\/p>\n

\u201cThe most valuable lessons are learned through mistakes,\u201d says Froehlich, who does not require successful completion of the project to pass the course or even earn the highest grade. Instead, he teaches students to focus on making tangible steps toward completion. It\u2019s a win-win, he says. Clients benefit from seeing their projects advance. And the students, who don\u2019t receive any payment for their work, reap the rewards of learning through mistakes as well as successes.<\/p>\n

\u201cThe advantage of computer science is that you can make progress in little pieces,\u201d Froehlich says. \u201cYou can\u2019t build a useful bridge in little pieces, but you can build useful software that way.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"

\u201cWe\u2019re in the danger zone.\u201d That\u2019s how senior Rodwitt Lai describes the Senior Design project he and fellow team members Eric Ngeo and Joel Frankford are working on in the Department of Computer Science. 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