| Abstract:With the rapid development of Internet technology, electronic commerce goes deeply into people’s daily life. More and more people choose online shopping which fast and convenient to daily consumption, garment occupies a considerable proportion in network consumption.3D garment try-on is one of the highlights in clothing network consumption, also is an important part and difficulty in virtual reality subject.The thesis references the existing method of 3D human body construction, according to the statistical data of human body measurement, come to the conclusion about proportion relation between partial height and height, slices the human body model with steps, then extracts the feature points with the method by judging from the cross section features, combined with the feature points, adopts the method of triangle mesh to complete the construction of 3D human body by OpenGL and 3DS.According to the partial similarity between the clothing and the human body, extracts the feature points of the human body model and garment model, after that, matches garment model with human body through the matrix transformation, so as to realize garment try-on, eventually builds a fitting system to display the fitting effect all-round.In the period of fitting shows, analyses and compares the existing bounding box methods, adopts the AABB bounding box method to process fitting penetration, builds AABB bounding box for the human body model, transforms the collision detection problem into garment vertices and human body model to eliminate penetration, simplifying the algorithm. The way to handle penetrating point is stretching along its normal direction, make it no longer penetrate the human body.At the last, we use Visual C++6.0 as the software development, combine the Technology of OpenGL and 3DS, then make experiment on a female human body model to validate the above methods. The garment model fit the human body well, then we can view the fitting effect from different directions. |
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