In order to improve the performance of the automatic apple grading and sorting system,in this paper,an ensemble model of ordinal classification based on neural network with ordered partitions and Dempster–Shafer theo...In order to improve the performance of the automatic apple grading and sorting system,in this paper,an ensemble model of ordinal classification based on neural network with ordered partitions and Dempster–Shafer theory is proposed.As a non-destructive grading method,apples are graded into three grades based on the Soluble Solids Content value,with features extracted from the preprocessed near-infrared spectrum of apple serving as model inputs.Considering the uncertainty in grading labels,mass generation approach and evidential encoding scheme for ordinal label are proposed,with uncertainty handled within the framework of Dempster–Shafer theory.Constructing neural network with ordered partitions as the base learner,the learning procedure of the Bagging-based ensemble model is detailed.Experiments on Yantai Red Fuji apples demonstrate the satisfactory grading performances of proposed evidential ensemble model for ordinal classification.展开更多
The concept of life aesthetics reflects an individual’s cry for life and pursuit of beauty,inspiring individuals to discover their spiritual home,sense their poetic habitat,and enjoy the beauty of life flowing from t...The concept of life aesthetics reflects an individual’s cry for life and pursuit of beauty,inspiring individuals to discover their spiritual home,sense their poetic habitat,and enjoy the beauty of life flowing from their fingertips.Chinese education,viewed through the lens of life aesthetics,is founded on the natural characteristics of life,stimulating the aesthetic sense of individual life through the allure of language,and teaching students to view life through the aesthetic lens as well as from an understanding of life’s essence.Teachers and students are required to take an aesthetic view of life as theoretical guidance,based on core Chinese literacy,with textbook contents serving as carriers and classroom instruction as the position,closely connected to students’actual lives,in order to help stimulate aesthetic experience among students,improve their aesthetic ability through aesthetic activities,and thus establish a correct view of life.展开更多
基金Natural Science Foundation of Shandong Province,Grant/Award Numbers:ZR2021MF074,ZR2020KF027,ZR2020MF067the National Key R&D Program of China,Grant/Award Number:2018AAA0101703。
文摘In order to improve the performance of the automatic apple grading and sorting system,in this paper,an ensemble model of ordinal classification based on neural network with ordered partitions and Dempster–Shafer theory is proposed.As a non-destructive grading method,apples are graded into three grades based on the Soluble Solids Content value,with features extracted from the preprocessed near-infrared spectrum of apple serving as model inputs.Considering the uncertainty in grading labels,mass generation approach and evidential encoding scheme for ordinal label are proposed,with uncertainty handled within the framework of Dempster–Shafer theory.Constructing neural network with ordered partitions as the base learner,the learning procedure of the Bagging-based ensemble model is detailed.Experiments on Yantai Red Fuji apples demonstrate the satisfactory grading performances of proposed evidential ensemble model for ordinal classification.
文摘The concept of life aesthetics reflects an individual’s cry for life and pursuit of beauty,inspiring individuals to discover their spiritual home,sense their poetic habitat,and enjoy the beauty of life flowing from their fingertips.Chinese education,viewed through the lens of life aesthetics,is founded on the natural characteristics of life,stimulating the aesthetic sense of individual life through the allure of language,and teaching students to view life through the aesthetic lens as well as from an understanding of life’s essence.Teachers and students are required to take an aesthetic view of life as theoretical guidance,based on core Chinese literacy,with textbook contents serving as carriers and classroom instruction as the position,closely connected to students’actual lives,in order to help stimulate aesthetic experience among students,improve their aesthetic ability through aesthetic activities,and thus establish a correct view of life.
