Sumi A. Samad

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The aim of this study is to investigate Fourier Descriptor (FD) as feature vectors for shape representation and recognition since FD is the best known boundary based shape descriptor and has proven to outperform most other boundary based methods in terms of accuracy. Furthermore, FD is also invariant to geometric transformations and has good noise(More)
Programming tools are meant for student to practice programming. Automated programming error feedback will be provided for students to self-construct the knowledge through their own experience. This paper has clustered current approaches in providing automated error programming feedback to the students during problem solving exercises. These include(More)
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