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LESION DETECTION IN CT IMAGES USING DEEP LEARNING SEMANTIC SEGMENTATION TECHNIQUE
Deep Neural Networks Convolutional Neural Networks Semantic Segmentation Chest Radiography Tuberculosis
2017/5/15
In this paper, the problem of automatic detection of tuberculosis lesion on 3D lung CT images is considered as a benchmark for testing out algorithms based on a modern concept of Deep Learning. For tr...
MORPHOLOGICAL MOMENTS OF BINARY IMAGES
Morphological Moments Disc Cover Medial Representation Continuous Skeleton Radial Function Bicircle
2017/5/15
The concept of morphological moments of binary images is introduced. Morphological moments can be used as a shape descriptor combining an integral width description of an object with a description of ...
CNN BASED RETINAL IMAGE UPSCALING USING ZERO COMPONENT ANALYSIS
Image upscaling CNN ZCA Whitening Retinal Images
2017/5/15
The aim of the paper is to obtain high quality of image upscaling for noisy images that are typical in medical image processing. A new training scenario for convolutional neural network based image up...
THERMALNET: A DEEP CONVOLUTIONAL NETWORK FOR SYNTHETIC THERMAL IMAGE GENERATION
infrared images augmented reality object recognition deep convolutional neural networks
2017/5/15
Deep convolutional neural networks have dramatically changed the landscape of the modern computer vision. Nowadays methods based on deep neural networks show the best performance among image recogniti...
PIXEL-BY-PIXEL ESTIMATION OF SCENE MOTION IN VIDEO
video sequence image processing moving object detection tracking recurrent procedures reverse processing
2017/5/15
The paper considers the effectiveness of motion estimation in video using pixel-by-pixel recurrent algorithms. The algorithms use stochastic gradient decent to find inter-frame shifts of all pixels of...
CONVOLUTIONAL NEURAL NETWORK FOR CAMERA POSE ESTIMATION FROM OBJECT DETECTIONS
Camera Pose CNN Head Detection Computer Graphics
2017/5/15
Known scene geometry and camera calibration parameters give important information to video content analysis systems. In this paper, we propose a novel method for camera pose estimation based on people...
基于信息系统的体系作战仿真系统
信息系统 体系作战 仿真系统 Agent 理论
2016/10/11
仿真是研究基于信息系统的体系作战能力的一种重要手段。对基于信息系统体系作战的基本特征和体系 作战能力的生成机理进行了分析,运用Agent 的建模和仿真理论,提出一种基于信息系统的体系作战仿真系统。建 立了仿真模型的基本构架,设计了具有三层结构的仿真系统框架,实现了对体系作战的各种复杂的作战行动的建模 和对不确定作战环境进行充分的探索分析。分析证明,该仿真系统结构合理,并且具有多方面应用。
以建构水平理论为基础,自我锚定效应是否发生为解释机制,探讨购买情景中产品接收者发生变化时,不同信息源的在线评论说服力有何变化。研究发现,受心理距离匹配效应的影响,当产品接收者为关系亲密的他人时,模糊评论者与相似评论者的信息说服力大小一致,皆大于不相似评论者;而当产品接收者为关系较远的他人时,模糊评论者与不相似评论者的信息说服力一致,皆大于相似评论者。
均匀散射环境中物理层安全密钥容量分析
物理层安全 物理层安全密钥 密钥容量 均匀散射环境
2016/9/28
物理层安全密钥容量受信道测量时差、终端移动和加性噪声等因素影响,在均匀散射环境中定量分析了上述因素对密钥容量的影响。在分析含噪窄带信道参数的时域统计特性的基础之上,推导了密钥容量时域闭式解,并且分别在均匀散射和非均匀散射环境中验证了推导结果的正确性和适用性。
基于加权特征融合的SAR图像目标分类方法
SAR图像 加权 特征融合 目标分类
2016/8/15
针对现有分类器对SAR图像分类正确率不高的问题,考虑到单一的特征很难完全描述SAR目标,并且单一的分类器识别率有限,提出了一种基于加权特征融合的图像分类方法,采用多种特征来描述目标,并且用多个分类器同时对目标识别。实验结果显示,提出的方法能够达到较高的分类正确率,证明了该方法的有效性。
计算机图形处理器加速的光学航空影像正射校正
航空影像 正射校正 计算机图形处理器(GPU) 并行算法 有效像素区域
2016/6/13
提出了计算机图形处理器(GPU)加速的光学航空影像正射校正并行算法,以满足获取光学航空影像对实时性的要求并提高对海量影像数据在CPU上串行正射校正的效率。介绍了光学影像正射校正算法原理以及正射校正算法的并行化处理。为减少GPU执行的计算负载,引入“有效像素区域”概念,设计了改进的GPU并行校正算法。通过配置选择以及存储器访问优化进一步提高了算法的执行效率。最后,分析了GPU并行算法的精度,并验证了...
多输入多输出(MIMO)技术可以在不额外增加频谱资源和发射功率的条件下成倍提高通信系统的信道容量,但子信道间存在的空间相关性会影响光MIMO无线通信系统(OWC)的性能。本文研究了对数衰落信道中空间相关性对光MIMO系统误码率的影响。针对脉冲位置调制(PPM)方式,采用指数相关模型推导出了光MIMO通信系统在不同相关机制下的对数振幅衰落系数矩阵和最大似然检测准则。然后,采用Wilkinson近似方...
Interactive Digital Photomontage
Interactive image editing image compositing userguided optimization
2016/5/24
We describe an interactive, computer-assisted framework for combining
parts of a set of photographs into a single composite picture,
a process we call “digital photomontage.” Our framework makes
us...
Non-Invasive Interactive Visualization of Dynamic Architectural Environments
Visualization Exploded View Architecture
2016/5/24
We present a system for interactively producing exploded views of
3D architectural environments such as multi-story buildings. These
exploded views allow viewers to simultaneously see the internal
...