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    • 5. 发明授权
    • Method and apparatus for classifying geological materials using image processing techniques
    • 使用图像处理技术对地质材料进行分类的方法和装置
    • US07734064B2
    • 2010-06-08
    • US11605684
    • 2006-11-28
    • Yoon Seop ChangKyung Ok KimSung Woong Shin
    • Yoon Seop ChangKyung Ok KimSung Woong Shin
    • G06K9/00G09G5/00
    • G06K9/00
    • Provided is a method and apparatus for classifying geological materials using image processing techniques. The method and apparatus classify geological materials including stones, rock samples, and rock surfaces according to type and state by sequentially applying image processing techniques, such as a color space analysis, a granulometry analysis, texture parameter extraction and texture statistics extraction, to digital images of the geological materials. Since the method and apparatus extract quantitative figures that represent an entire image region by applying various image processing techniques, such as the color space analysis, the granulometry, the texture parameter extraction and the texture statistics extraction, to the digital images of the geological materials, the geological materials can be classified, which is not possible using a conventional image processing technique.
    • 提供了使用图像处理技术对地质材料进行分类的方法和装置。 该方法和装置根据类型和状态通过依次应用诸如色彩空间分析,粒度分析,纹理参数提取和纹理统计提取的图像处理技术将数字图像分类为包括石头,岩石样品和岩石表面的地质材料。 的地质资料。 由于方法和装置通过对地质材料的数字图像应用各种图像处理技术(诸如颜色空间分析,粒度测量,纹理参数提取和纹理统计提取)来提取表示整个图像区域的定量图, 可以对地质材料进行分类,这是不可能使用常规的图像处理技术。
    • 6. 发明授权
    • Simulation apparatus and method for design of sensor network
    • 传感器网络设计仿真设备及方法
    • US08086433B2
    • 2011-12-27
    • US11583246
    • 2006-10-18
    • Chung Ho LeeKyung Ok KimSung Woong ShinHak Cheol Kim
    • Chung Ho LeeKyung Ok KimSung Woong ShinHak Cheol Kim
    • G06F17/50
    • G06F17/5009
    • A simulation apparatus and method in relation to a sensor network are provided. The apparatus includes: a space database storing space information; a database storing standard specifications of sensors or sensor nodes; and a modeling unit extracting information on a 3-dimensional (3D) virtual space in which a sensor or sensor node is positioned, from the space database, obtaining the characteristic of the sensor or the sensor node from the standard specification based on the extracted space information and the standard specification of the sensor or the sensor node, and modeling the sensor or the sensor node. According to the apparatus and method, a virtual wireless sensor network system identical to a real world environment can be established, and as a result, the performance of the system can be accurately measured and an optimized design of the system can be efficiently performed.
    • 提供了一种与传感器网络相关的仿真设备和方法。 该装置包括:存储空间信息的空间数据库; 一个存储传感器或传感器节点标准规格的数据库; 以及建模单元,从空间数据库中提取关于传感器或传感器节点的3维(3D)虚拟空间的信息,基于所提取的空间从标准规范获得传感器或传感器节点的特性 信息和传感器或传感器节点的标准规范,以及对传感器或传感器节点进行建模。 根据该装置和方法,可以建立与现实世界环境相同的虚拟无线传感器网络系统,从而可以准确地测量系统的性能,并且可以有效地执行系统的优化设计。
    • 7. 发明授权
    • Apparatus for calculating optical flow and camera motion using correlation matching and system model in moving image
    • 运动图像中使用相关匹配和系统模型计算光流和相机运动的装置
    • US06683677B2
    • 2004-01-27
    • US10098430
    • 2002-03-18
    • Jae Choon ChonYoung Jae LimSeong Ik ChoKyung Ok KimYoung Kyu Yang
    • Jae Choon ChonYoung Jae LimSeong Ik ChoKyung Ok KimYoung Kyu Yang
    • G01F336
    • G06T7/20G06T7/80
    • An apparatus for calculating optical flow and camera motion using correlation matching and a system model in a moving image, in which the calculation of the optical flow is executed accurately in real time, even when an image rotation or zoom change has occurred. The apparatus comprises a feature point extracting section for extracting a feature point of a sequence of input images (previous image and current image); an optical flow calculating section for calculating an optical flow by use of the feature point extracted by the feature point extracting section; a first camera motion calculating section for calculating a camera motion by use of the optical flow calculated by the optical flow calculating section; a second camera motion calculating section for eliminating an incorrect optical flow from the optical flow calculated by the optical flow calculating section and again calculating camera motion; an optical flow location estimating section for estimating a location of the optical flow by estimating a distance difference between an estimated feature point location and a current feature point location in the previous image according to the camera motion calculated by the second camera motion calculating section; and a weighted value calculating section for calculating a weighted value according to the camera motion calculated by the second camera motion calculating section and providing the weighted value to the optical flow calculating section.
    • 即使在发生了图像旋转或变焦变化的情况下,也可以使用相关性匹配和运动图像中的系统模型来计算光流量和摄像机运动的装置,其中即使精确地实时地执行光流的计算。 该装置包括用于提取输入图像序列(先前图像和当前图像)的特征点的特征点提取部分; 光流计算部分,用于通过使用由特征点提取部分提取的特征点来计算光流; 第一相机运动计算部分,用于通过使用由光流计算部分计算出的光流来计算相机运动; 第二相机运动计算部分,用于从光流计算部分计算的光流中消除不正确的光流,并再次计算相机运动; 光流位置估计部分,用于通过根据由第二相机运动计算部分计算的相机运动估计在先前图像中的估计特征点位置和当前特征点位置之间的距离差来估计光流的位置; 以及加权值计算部分,用于根据由第二相机运动计算部分计算的相机运动来计算加权值,并将加权值提供给光流计算部分。