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With the continuous development of the automobile industry, fast and efficient body styling methods have become crucial. Although traditional hand -drawn sketches and 3D modeling are feasible, they often consume lots of time, manpower and financial resources when faced with complex design requirements. Therefore, A quickly method for the car body modelling has become a hot topic in the field of automotive design. This paper proposes three-dimensional wireframe model generation and surface reconstruction method based on a single image in any view of the vehicle body. In this paper, a 3D wireframe and surface model reconstruction method based on a single image in any view is proposed. Firstly, 3D wireframe model generation for a single car image in any view. Based on the established 3D wireframe model library, the visual angle of a specific single car image in any view can be identified by the mobilenet V2 network trained based on USMV3085, following the relevant wireframe model can be generated with the weight coefficients computed by constrained lease squares method according to the key points and the corresponding rotated key points of the library models. Secondly, corresponding 3D surface is reconstructed automatically. With the Skel line firstly computed by the Skeleton Generation Algorithm for Complex Shape of every 2D projected split part of the 3D wireframe model, corresponding 3D b oundary relation pairs and control polygons are obtained, following the 3D surface is reconstructed integrating all split parts. Compared with traditional car body shape design, this automatic method greatly shortens the research and development cycle and has certain reference significance in the field of car body design.
With the continuous development of the automobile industry, fast and efficient body styling methods have become crucial. Although traditional hand -drawn sketches and 3D modeling are feasible, they often consume lots of time, manpower and financial resources when faced with complex design requirements. Therefore, A quickly method for the car body modelling has become a hot topic in the field of automotive design. This paper proposes three-dimensional wireframe model generation and surface reconstruction method based on a single image in any view of the vehicle body. In this paper, a 3D wireframe and surface model reconstruction method based on a single image in any view is proposed. Firstly, 3D wireframe model generation for a single car image in any view. Based on the established 3D wireframe model library, the visual angle of a specific single car image in any view can be identified by the mobilenet V2 network trained based on USMV3085, following the relevant wireframe model can be generated with the weight coefficients computed by constrained lease squares method according to the key points and the corresponding rotated key points of the library models. Secondly, corresponding 3D surface is reconstructed automatically. With the Skel line firstly computed by the Skeleton Generation Algorithm for Complex Shape of every 2D projected split part of the 3D wireframe model, corresponding 3D b oundary relation pairs and control polygons are obtained, following the 3D surface is reconstructed integrating all split parts. Compared with traditional car body shape design, this automatic method greatly shortens the research and development cycle and has certain reference significance in the field of car body design.
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