文献类型： 外文期刊

第一作者： Xu, Yixin

作者： Xu, Yixin;Liu, Shiguang;Xu, Yixin;Liu, Shiguang

作者机构：

关键词： botanical-based simulation; color; fruit ripening; gene; pigment

期刊名称：COMPUTER ANIMATION AND VIRTUAL WORLDS （ 影响因子：1.1； 五年影响因子：1.2 ）

ISSN： 1546-4261

年卷期： 2023 年

页码：

收录情况： SCI

摘要： The color change of plant fruit in ripening is a typical time-varying phenomenon involving various factors. Due to its complexity and biodiversity, it is challenging to model this phenomenon. To address this issue, we take the tomato as an example and propose a botanical-based framework considering variety, environment, phytohormone, and genes to simulate fruit color change during the ripening process. Specifically, we propose a first-order kinetic model that integrates varietal, environmental, and phytohormonal factors to represent the variation of pigment concentrations in the pericarp. Moreover, we introduce a logistic model to describe the change in pigment concentration in the epidermis. Based on the gene expression pathway of tomato color in botany, we propose a genotype-to-phenotype simulation method to represent its biodiversity. An improved method is proposed to convert pigment concentrations into color accurately. Furthermore, we propose a gradient descent-based method to assist the user in quickly setting pigment concentration parameters. Experiments verified that the proposed framework can simulate a wide range of tomato colors. Both qualitative and quantitative experiments validated the proposed method. Furthermore, our framework can be applied to more fruits. This paper proposes a botanical-based framework considering variety, environment, phytohormone, and genes to simulate fruit color change during the ripening process. We present a first-order kinetic model and a logistic model to represent the pigment concentration variations in the pericarp and epidermis, respectively. We propose a gradient descent-based method that can quickly match the target color with the multiple pigment concentrations involved.image

分类号：