文献类型： 外文期刊
作者： Jing, Xu 1 ; Teng, Miao 1 ; Tao, Yang 1 ; Xu Tongyu 1 ; Ji Jianwei 1 ; Li, Jin 1 ; Li Qingji 1 ;
作者机构： 1.Shenyang Agr Univ, Coll Informat & Elect Engn, Shenyang 110866, Liaoning, Peoples R China
2.Beijing Key Lab Digital Plant, Beijing 100097, Peoples R China
3.Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
关键词： Virtual plant; Three-dimensional plant visualization; Plant disease simulation; Appearance models
期刊名称：BANGLADESH JOURNAL OF BOTANY （ 影响因子：0.308； 五年影响因子：0.348 ）
ISSN： 0253-5416
年卷期： 2017 年 46 卷 3 期
页码：
收录情况： SCI
摘要： Simulation of disease lesion on the surface of plant organ is a tough task due to the difficulty of the dynamic lesion appearance data acquisition. A method for three-dimensional visualization of plant disease appearance is presented only using lesion images. Given a single lesion image, the framework first extracts static appearance properties (e.g., lesion shape, diffuse reflectance, and texture), and deduces time-varying dynamic transition processes of these properties based on intrinsic decomposition. To simulate the spatial-varying appearance of disease on the plant organ surface, the user indicates to the framework the lesion distribution information(e.g., position, size, and direction) by simple interactions. A time-varying appearance model is also proposed for simulating the weathering appearance of the plant disease lesion. The experimental results demonstrate that the proposed method can realistically render appearances of various disease lesion types, and it has significant potential to be used as an effective visualization tool for decision making and education training in the field of agriculture.
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