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Acta Armamentarii ›› 2019, Vol. 40 ›› Issue (11): 2296-2303.doi: 10.3969/j.issn.1000-1093.2019.11.014

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A Digital Pattern Design Method Based on Equipment Three-dimensional Model

CAI Yunxiang, SHI Lei, TIAN Zhenxi   

  1. (The Fifth Research Institute, Academy of Army, Wuxi 214035, Jiangsu, China)
  • Received:2019-03-18 Revised:2019-03-18 Online:2019-12-31

Abstract: Digital pattern design is a key to achieve camouflage effect. Pattern design for automatic painting operation is the development trend and research hotspots. A three-dimensional quadrilateral mesh model of military equipment is constructed by using the object modeling method.The five-sided unfold digital camouflage pattern of the minimum enclosing rectangular body from target is obtained by using the camouflage generation method based on fractal Brownian model, the transformation between two-dimensional and three-dimensional camouflage patterns is realized by using the texture mapping method based on the minimum normal angle, and the pattern optimization and modification are completed by using the artificial interactive function module based on OpenGL and MFC. The simulated and painting experimental results show that the three-dimensional digital camouflage pattern conforms to the background characteristics and meets the input requirements of automatic painting operation. Key

Key words: patterncamouflage, digitalpattern, patterndesign, three-dimensionalmodel

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