ACM(Association for Computing Machinery,美国计算机学会)是世界公认的规模最大、水平最高的国际大学生程序设计竞赛。本文主要阐述了本校关于ACM竞赛的培养模式和培养重点,该培养模式不仅为ACM竞赛提供了宝贵的经验,同时也对其它国...ACM(Association for Computing Machinery,美国计算机学会)是世界公认的规模最大、水平最高的国际大学生程序设计竞赛。本文主要阐述了本校关于ACM竞赛的培养模式和培养重点,该培养模式不仅为ACM竞赛提供了宝贵的经验,同时也对其它国际性竞赛的培养具有一定的指导意义。展开更多
In many practical applications of image segmentation problems,employing prior information can greatly improve segmentation results.This paper continues to study one kind of prior information,called prior distribution....In many practical applications of image segmentation problems,employing prior information can greatly improve segmentation results.This paper continues to study one kind of prior information,called prior distribution.Within this research,there is no exact template of the object;instead only several samples are given.The proposed method,called the parametric distribution prior model,extends our previous model by adding the training procedure to learn the prior distribution of the objects.Then this paper establishes the energy function of the active contour model(ACM)with consideration of this parametric form of prior distribution.Therefore,during the process of segmenting,the template can update itself while the contour evolves.Experiments are performed on the airplane data set.Experimental results demonstrate the potential of the proposed method that with the information of prior distribution,the segmentation effect and speed can be both improved efficaciously.展开更多
文摘ACM(Association for Computing Machinery,美国计算机学会)是世界公认的规模最大、水平最高的国际大学生程序设计竞赛。本文主要阐述了本校关于ACM竞赛的培养模式和培养重点,该培养模式不仅为ACM竞赛提供了宝贵的经验,同时也对其它国际性竞赛的培养具有一定的指导意义。
基金supported by the National Key R&D Program of China(2018YFC0309400)the National Natural Science Foundation of China(61871188)
文摘In many practical applications of image segmentation problems,employing prior information can greatly improve segmentation results.This paper continues to study one kind of prior information,called prior distribution.Within this research,there is no exact template of the object;instead only several samples are given.The proposed method,called the parametric distribution prior model,extends our previous model by adding the training procedure to learn the prior distribution of the objects.Then this paper establishes the energy function of the active contour model(ACM)with consideration of this parametric form of prior distribution.Therefore,during the process of segmenting,the template can update itself while the contour evolves.Experiments are performed on the airplane data set.Experimental results demonstrate the potential of the proposed method that with the information of prior distribution,the segmentation effect and speed can be both improved efficaciously.
