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学者姓名：陈新
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Abstract ：
Diabetic retinopathy (DR) is a common diabetic complication that can lead to blindness in severe cases. Ultra-wide (swept source) optical coherence tomography angiography(UW-OCTA) imaging can help ophthalmologists in the diagnosis of DR. Automatic and accurate segmentation of the lesion area is essential in the diagnosis of DR. However, there still remain several challenges for accurately segmenting lesion areas from UW-OCTA: the various lesion locations, diverse morphology and blurred contrast. To solve these problems, in this paper, we propose a novel framework to segment neovascularization(NV), nonperfusion areas(NA) and intraretinal microvascular abnormalities(IMA), which consists of two parts: 1) We respectively input the images of three lesions into three different channels to achieve three different lesions segmentation at the same time; 2) We improve the traditional 2D U-Net by adding the residual module and dilated convolution. We evaluate the proposed method on the Diabetic Retinopathy Analysis Challenge (DRAC) in MICCAI2022. The mean Dice and mean IoU obtained by the method in the test cases are 0.4757 and 0.3538, respectively. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.
Keyword ：
Diabetic Retinopathy Diabetic Retinopathy Segmentation Network Segmentation Network UW-OCTA UW-OCTA
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| GB/T 7714 | Chen, X. , Chen, Y. , Lin, C. et al. An Improved U-Net for Diabetic Retinopathy Segmentation [未知]. |
| MLA | Chen, X. et al. "An Improved U-Net for Diabetic Retinopathy Segmentation" [未知]. |
| APA | Chen, X. , Chen, Y. , Lin, C. , Pan, L. . An Improved U-Net for Diabetic Retinopathy Segmentation [未知]. |
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针对中波通信信道的特点及目前采用的调制解调方式的对比分析,选择MSK调制解调方式作为中波通信调制解调器设计的理论基础,为了保证通信的可靠,采取(2,1,7)卷积码进行信道编码.最后利用FPGA实现中波通信调制解调器硬件电路的设计,经实验验证,在一定的信噪比、低速传输速率下,其误码率良好.
Keyword ：
FPGA FPGA MSK MSK 卷积码 卷积码 误码率 误码率
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| GB/T 7714 | 华广有 , 陈新 , 刘自富 et al. 中波通信调制解调器的设计与实现 [J]. | 信息记录材料 , 2019 , 20 (1) : 56-58 . |
| MLA | 华广有 et al. "中波通信调制解调器的设计与实现" . | 信息记录材料 20 . 1 (2019) : 56-58 . |
| APA | 华广有 , 陈新 , 刘自富 , 赵浩翰 , 黄奇家 . 中波通信调制解调器的设计与实现 . | 信息记录材料 , 2019 , 20 (1) , 56-58 . |
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针对现有方法在步态识别方面存在的动作信号分割、传感器方向不一致和相似动作识别精度不高等缺点,提出一种基于惯性传感器和AdaBoost算法的步态动作识别方法.基于尺度空间技术提出了一种鲁棒的步态检测方法将信号分为动作样本,以此来应对动作速度或强度的剧烈变化;应用定位补偿匹配算法纠正传感器的倾斜,从而解决了传感器方向不一致的问题;为了提高识别精度,基于AdaBoost算法自适应选取动作特征,再进行判别分析完成识别.对五个相似步态动作类进行识别实验,结果表明提出的算法具有较高的准确性.
Keyword ：
AdaBoost算法 AdaBoost算法 定位补偿匹配算法 定位补偿匹配算法 尺度空间计数 尺度空间计数 惯性传感器 惯性传感器 步态识别 步态识别
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| GB/T 7714 | 杨叶梅 , 陈新 . 利用惯性传感器和AdaBoost算法的步态识别方法 [J]. | 计算机应用研究 , 2019 , 36 (4) : 1212-1216,1221 . |
| MLA | 杨叶梅 et al. "利用惯性传感器和AdaBoost算法的步态识别方法" . | 计算机应用研究 36 . 4 (2019) : 1212-1216,1221 . |
| APA | 杨叶梅 , 陈新 . 利用惯性传感器和AdaBoost算法的步态识别方法 . | 计算机应用研究 , 2019 , 36 (4) , 1212-1216,1221 . |
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A Motion Data Automatic Segmentation using a Probabilistic/Kernel principal component analysis (P/KPCA) method is proposed. This approach utilizes Kernel principal component analysis (KPCA) to construct a kernel function while using Probabilistic principal component analysis (PPCA) to reduce motion noise. Formulate the feature function to obtain the derivative of projection error, and detect the segmentation point of data through analyzing the change of geometric features to realize the automatic segmentation. It is indicated in the experiment that the motion capture technique has certain feasibility. The paper presents the automatic segmentation approach of the motion capture data, in which the motion data is automatic segmented through KPCA combined with PPCA to reduce the dimension and project the 56 dimensional data in 2 dimensional space; formulate the feature function to obtain the derivative of projection error, and detect the segmentation point of data through analyzing the change of geometric features to realize the automatic segmentation. It is indicated in the experiment that the motion capture technique has certain feasibility. © 2016 - IOS Press and the authors. All rights reserved.
Keyword ：
Feature extraction Feature extraction Principal component analysis Principal component analysis
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| GB/T 7714 | Chen, Si-Xi , Chen, Shu , Li, Jian-Wei et al. A hybrid P/KPCA-based approach for motion capture data automatic segmentation [J]. | Journal of Computational Methods in Sciences and Engineering , 2016 , 16 (2) : 197-206 . |
| MLA | Chen, Si-Xi et al. "A hybrid P/KPCA-based approach for motion capture data automatic segmentation" . | Journal of Computational Methods in Sciences and Engineering 16 . 2 (2016) : 197-206 . |
| APA | Chen, Si-Xi , Chen, Shu , Li, Jian-Wei , Chen, Xin . A hybrid P/KPCA-based approach for motion capture data automatic segmentation . | Journal of Computational Methods in Sciences and Engineering , 2016 , 16 (2) , 197-206 . |
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如何科学高效地对气象装备进行管理已是目前亟待解决的问题,为此,本文根据装备保障信息化建设的意义以及目前国内外的发展趋势,结合我省综合气象观测系统以及业务保障工作实际,就我省的气象装备保障信息化建设提出了建设性的思路.
Keyword ：
信息化 信息化 气象 气象 装备保障 装备保障
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| GB/T 7714 | 韩伟中 , 陈新 . 加强气象技术装备保障业务信息化建设的思考 [J]. | 农技服务 , 2016 , 33 (13) : 105,40 . |
| MLA | 韩伟中 et al. "加强气象技术装备保障业务信息化建设的思考" . | 农技服务 33 . 13 (2016) : 105,40 . |
| APA | 韩伟中 , 陈新 . 加强气象技术装备保障业务信息化建设的思考 . | 农技服务 , 2016 , 33 (13) , 105,40 . |
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针对无线自组织网络（Ad‐Hoc）中DSR路由算法在路由查询时产生的洪泛广播问题，介绍了网关动态源路由协议（Gatew ay Dynamic Source Routing ，GDSR），着重阐述了该算法的新节点入网路由查询机制、节点路径查询机制、基于优先级的对数函数退避算法等。本文实现了该路由算法，并在实际环境中测试验证了该路由协议。
Keyword ：
Ad-Hoc Ad-Hoc CC1110 CC1110 DSR DSR GDSR GDSR
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| GB/T 7714 | 彭玉颜 , 陈春良 , 陈新 . 无线自组织网络GDSR的路由算法研究 [J]. | 单片机与嵌入式系统应用 , 2016 , 16 (4) : 18-21 . |
| MLA | 彭玉颜 et al. "无线自组织网络GDSR的路由算法研究" . | 单片机与嵌入式系统应用 16 . 4 (2016) : 18-21 . |
| APA | 彭玉颜 , 陈春良 , 陈新 . 无线自组织网络GDSR的路由算法研究 . | 单片机与嵌入式系统应用 , 2016 , 16 (4) , 18-21 . |
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通过TinyOS组网技术构建无线传感网,分析智能家居控制系统的功能需求,确定基于Qt和Linux的软件设计方案,实现小型的智能家居控制系统;详细介绍了硬件平台的构建和汇聚节点程序、终端节点程序以及Qt用户界面的软件设计流程.
Keyword ：
Qt Qt TinyOS TinyOS 智能家居 智能家居
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| GB/T 7714 | 李春萍 , 陈新 . 基于TinyOS与嵌入式技术的智能家居控制系统 [J]. | 单片机与嵌入式系统应用 , 2016 , 16 (1) : 22-25 . |
| MLA | 李春萍 et al. "基于TinyOS与嵌入式技术的智能家居控制系统" . | 单片机与嵌入式系统应用 16 . 1 (2016) : 22-25 . |
| APA | 李春萍 , 陈新 . 基于TinyOS与嵌入式技术的智能家居控制系统 . | 单片机与嵌入式系统应用 , 2016 , 16 (1) , 22-25 . |
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针对传统人工抄表缺陷,本文提出了一种基于CC1110芯片的无线抄表方案.文章包含软硬件设计和系统测试.通过研究自组织网络技术来解决分散节点的数据传输问题.整个系统硬件构成简单,通信协议清晰,数据传输可靠.通过测试表明该系统能够准确采集电表数据,并且迅速组网,达到了实际应用的要求.
Keyword ：
CC1110 CC1110 电表数据采集 电表数据采集 自组织网络 自组织网络
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| GB/T 7714 | 唐志鹏 , 陈新 . 基于CC1110的远程无线抄表系统的设计 [J]. | 有线电视技术 , 2016 , 23 (1) : 32-35 . |
| MLA | 唐志鹏 et al. "基于CC1110的远程无线抄表系统的设计" . | 有线电视技术 23 . 1 (2016) : 32-35 . |
| APA | 唐志鹏 , 陈新 . 基于CC1110的远程无线抄表系统的设计 . | 有线电视技术 , 2016 , 23 (1) , 32-35 . |
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Vehicular networks have become as an important platform to monitor metropolitan-scale traffic information. However, it is a challenge to deliver and process the huge amount of data from vehicular devices to a data center. By studying a large number of taxi data collected from around 3,000 taxis from Shenzhen city in China, we find that the data readings collected by vehicular devices have a strong spatial correlation. In this paper, we propose a novel scheme based on compressive sensing for traffic monitoring in vehicular networks. In this scheme, we construct a new type of random matrix with only one nonzero element of each row, which can significantly reduce the number of data needed to be transmitted while guaranteeing good reconstruction quality at the data center. Simulation results demonstrate that our scheme can achieve high reconstruction accuracy at a much lower sampling rate.
Keyword ：
Compressive sensing (CS) Compressive sensing (CS) Data gathering Data gathering Vehicular networks Vehicular networks
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| GB/T 7714 | Wang, Dan , Zheng, Haifeng , Chen, Xin et al. Data Gathering with Compressive Sensing for Urban Traffic Sensing in Vehicular Networks [C] . 2015 : 441-448 . |
| MLA | Wang, Dan et al. "Data Gathering with Compressive Sensing for Urban Traffic Sensing in Vehicular Networks" . (2015) : 441-448 . |
| APA | Wang, Dan , Zheng, Haifeng , Chen, Xin , Chen, Zhonghui . Data Gathering with Compressive Sensing for Urban Traffic Sensing in Vehicular Networks . (2015) : 441-448 . |
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为了使经络能够在人体体表准确测量和显示,提出了一种基于阻抗与双目视觉的经络可视化方法.首先,利用交变恒流源在人体皮肤表面注入电流信号,然后采用多通道皮肤阻抗检测仪根据经络的低阻抗特性检测各对电极之间人体皮肤的电压,从而间接获取经络点对应的通道,通过串口通信,将数据传输至上位机.其次,利用张氏摄像机标定法获取摄像机内外参数,对光学标靶进行角点筛选与匹配,获得经络点的三维信息,再根据双目视觉原理对三维信息进行坐标变换,最后利用曲线拟合和图像融合技术,实现经络可视化.测试结果表明,该系统能实现经络的实时检测与准确显示.
Keyword ：
人体经络 人体经络 双目视觉 双目视觉 可视化 可视化 阻抗 阻抗
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| GB/T 7714 | 苏祈艳 , 陈新 . 基于阻抗与双目视觉的经络可视化系统 [J]. | 中国医疗器械杂志 , 2015 , 39 (3) : 166-169 . |
| MLA | 苏祈艳 et al. "基于阻抗与双目视觉的经络可视化系统" . | 中国医疗器械杂志 39 . 3 (2015) : 166-169 . |
| APA | 苏祈艳 , 陈新 . 基于阻抗与双目视觉的经络可视化系统 . | 中国医疗器械杂志 , 2015 , 39 (3) , 166-169 . |
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