Xiaochen Du

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— Input validation refers to checking user inputs to a program to ensure that they conform to expectations of the program. Input validation is used to check the format of numbers and strings, check the length of strings, and to ensure that strings do not contain invalid characters. Input validation testing (IVT) is particularly important for software that(More)
Scalp soft tissue expansion is one of the key medical techniques to generate new skin tissue for correcting various abnormalities and defects of skin in plastic surgery. Therefore, it is very important to work out the appropriate approach to evaluate the increase of expanded scalp area and to predict the shape, size, number, and placement of the expander. A(More)
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