Search Results - "Yu, Guowei"

Simple Choreographies of the Planar Newtonian N-Body Problem by Yu, Guowei

“…In the N -body problem, a simple choreography is a periodic solution, where all masses chase each other on a single loop. In this paper we prove that for the…”
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Heteroclinic orbits between static classes of time periodic Tonelli Lagrangian systems by Yu, Guowei

“…In this paper, we show the existence of heteroclinic orbits between two different static classes of the Aubry set of a Tonelli Lagrangian when the Aubry set…”
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Chazy-Type Asymptotics and Hyperbolic Scattering for the n-Body Problem by Duignan, Nathan, Moeckel, Richard, Montgomery, Richard, Yu, Guowei

“…We study solutions of the Newtonian n -body problem which tend to infinity hyperbolically, that is, all mutual distances tend to infinity with nonzero speed as…”
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Relationship between Helicobacter pylori infection and obesity in Chinese adults: A systematic review with meta-analysis by Xu, Xinlan, Li, Weide, Qin, Lan, Yang, Wenjiao, Yu, Guowei, Wei, Qishan

“…Obesity is highly prevalent worldwide. More and more studies have been conducted on the relationship between H. pylori infection and obesity or overweight. But…”
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Detecting different pesticide residues on Hami melon surface using hyperspectral imaging combined with 1D-CNN and information fusion by Hu, Yating, Ma, Benxue, Wang, Huting, Zhang, Yuanjia, Li, Yujie, Yu, Guowei

“…Efficient, rapid, and non-destructive detection of pesticide residues in fruits and vegetables is essential for food safety. The visible/near infrared (VNIR)…”
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Discrimination of Pesticide Residue Levels on the Hami Melon Surface Using Multiscale Convolution by Yu, Guowei, Ma, Benxue, Li, Huihui, Hu, Yating, Li, Yujie

“…Pesticide residues directly or indirectly threaten the health of humans and animals. We need a rapid and nondestructive method for the safety evaluation of…”
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Detecting Starch-Head and Mildewed Fruit in Dried Hami Jujubes Using Visible/Near-Infrared Spectroscopy Combined with MRSA-SVM and Oversampling by Li, Yujie, Ma, Benxue, Hu, Yating, Yu, Guowei, Zhang, Yuanjia

“…Dried Hami jujube has great commercial and nutritional value. Starch-head and mildewed fruit are defective jujubes that pose a threat to consumer health. A…”
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Non-Destructive Detection of Different Pesticide Residues on the Surface of Hami Melon Classification Based on tHBA-ELM Algorithm and SWIR Hyperspectral Imaging by Hu, Yating, Ma, Benxue, Wang, Huting, Li, Yujie, Zhang, Yuanjia, Yu, Guowei

“…In the field of safety detection of fruits and vegetables, how to conduct non-destructive detection of pesticide residues is still a pressing problem to be…”
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Multiscale Deepspectra Network: Detection of Pyrethroid Pesticide Residues on the Hami Melon by Yu, Guowei, Li, Huihui, Li, Yujie, Hu, Yating, Wang, Gang, Ma, Benxue, Wang, Huting

“…The problem of pyrethroid residues has become a topical issue, posing a potential food safety concern. Pyrethroid pesticides are widely used to prevent and…”
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Moisture content assessment of dried Hami jujube using image colour analysis by Ma, Benxue, Li, Cong, Li, Yujie, Wang, Wenxia, Yu, Guowei, Dong, Wancheng, Zhang, Yuanjia

“…To investigate the feasibility of image colour information in predicting the moisture content of dried Hami jujube, the images were obtained under different…”
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Evaluation of surface texture of dried Hami Jujube using optimized support vector machine based on visual features fusion by Luo, Xiuzhi, Ma, Benxue, Wang, Wenxia, Lei, Shengyuan, Hu, Yangyang, Yu, Guowei, Li, Xiaozhan

“…The surface texture of dried jujube fruits is a significant quality grading criterion. This paper introduced a novel visual feature fusion based on connected…”
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Regularizable collinear periodic solutions in the n-body problem with arbitrary masses by Yu, Guowei

“…For n-body problem with arbitrary positive masses, we prove there are regularizable collinear periodic solutions for any ordering of the masses, going from a…”
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Quantitative Investigation of Solitary Pulmonary Nodules: Dynamic Contrast-Enhanced MRI and Histopathologic Analysis by Zou, Yu, Zhang, Minming, Wang, Qidong, Shang, Desheng, Wang, Lijun, Yu, Guowei

“…The purposes of this study were to analyze the relation between enhancement patterns on dynamic enhanced MRI and histologic microvessel patterns of solitary…”
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Effect of the one-child policy on influenza transmission in China: a stochastic transmission model by Liu, Fengchen, Enanoria, Wayne T A, Ray, Kathryn J, Coffee, Megan P, Gordon, Aubree, Aragón, Tomás J, Yu, Guowei, Cowling, Benjamin J, Porco, Travis C

“…China's one-child-per-couple policy, introduced in 1979, led to profound demographic changes for nearly a quarter of the world's population. Several decades…”
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Research Progress on External Quality Detection and Classification Technology of Jujube Based on Machine Vision by Cong LI, Yujie LI, Xiaozhan LI, Guowei YU, Xin LIU, Benxue MA

“…In recent years, machine vision technology, which is fast, accurate, objective and nondestructive, has been widely used in the external quality detection of…”
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Spatial Double Choreographies of the Newtonian 2n-Body Problem by Yu, Guowei

“…In this paper, for the spatial Newtonian 2 n -body problem with equal masses, by proving that the minimizers of the action functional under certain symmetric,…”
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Accurate prediction of soluble solid content in dried Hami jujube using SWIR hyperspectral imaging with comparative analysis of models by Li, Yujie, Ma, Benxue, Li, Cong, Yu, Guowei

“…[Display omitted] •Soluble solid content in dried Hami jujube was determined by SWIR-HSI.•Three jujube fruit placement orientation models were established and…”
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An Index Theory for Zero Energy Solutions of the Planar Anisotropic Kepler Problem by Hu, Xijun, Yu, Guowei

“…In the variational study of singular Lagrange systems, the zero energy solutions play an important role. The anisotropic Kepler problem is such a singular…”
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An improved DCGAN model: Data augmentation of hyperspectral image for identification pesticide residues of Hami melon by Tan, Haibo, Hu, Yating, Ma, Benxue, Yu, Guowei, Li, Yujie

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Quality detection of watermelons and muskmelons using innovative nondestructive techniques: A comprehensive review of novel trends and applications by Yu, Guowei, Ma, Benxue, Li, Yujie, Dong, Fujia

“…Watermelons and muskmelons are popular fruits among consumers worldwide which are sweet and have excellent nutritional composition. The quality detection of…”
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