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50
说明： 多媒体技术的发展和视觉信息的飞速膨胀迫切需要对视觉信息资源的有效管理和检索。由此，基于内容的图像和视频检索技术得到了越来越多的重视，成为了多媒体信息检索和图像处理领域中的重要研究方向。CBIR技术将对大规模图像信息的管理和访问提供有力支持。
本文这种介绍了内容图像检索的灰度特征实现方法，具有理论意义和实际应用价值。针对基于内容图像检索技术进行了研究，介绍了其研究现状和关键技术，讨论了其技术瓶颈和发展趋势。共生矩阵法，是对图像的所有像元进行统计调查，以便描述其灰度分布的一种方法。分析了这种基于广义图像灰度共生矩阵的图像检索方法，该方法首先将原图像作平滑处理得到平滑图像，然后将原图像和平滑图像组合得到广义图像灰度共生矩阵，提取该矩阵的统计特征量，最后将该统计量组成归一化向量用以检索。
实验结果表明，本方法的效果要优于单纯的灰度共生矩阵法。在对相似图像检索时，该算法与基于共生矩阵的经典算法相当，在面临同一图像大小显著改变或发生旋转的情况下，该算法明显优于经典算法。相比较而言，该算法提高了检索的有效性。
(The development of multimedia technology and the expansion of visual information，which cries for the effective management and retrieval methods of visual information. Thus, the image and video searching technology based on content is gaining more and more attention to become a multimedia information retrieval and image processing in the field of important research direction. The technology of CBIR provides effective supports for the management and access of extensive image information.
This paper introduced the content of the image retrieval method characteristics of gray, with theoretical and practical value. This paper does an extensive and in-depth study of technology based on content image retrieval to, presenting their research status and key technologies, discussing its development trends and technological bottlenecks. Co-occurrence matrix of all the pixel image survey has been conducted in order to describe a method of distribution of gray. This paper analyses this broad-based )
- 2009-10-21 11:44:54下载
- 积分：1
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huatu
这是以上各个函数的作图程序，比较经典，可以控制你所画的图(This is a function of the mapping process above all, more classic, you can control the drawing)
- 2010-05-14 15:55:39下载
- 积分：1
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canny
matlab源码边缘检测算子canny以及canny的改进(matlab code，edge detect canny and the improved canny)
- 2014-10-24 15:26:00下载
- 积分：1
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Q10
SIR (signal to interference) calculation given power matrix and association information. S/I for 1st interferer, 2nd interferer and all weak interferers combined are also calculated
- 2014-12-14 22:08:39下载
- 积分：1
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cyq
GPS 动态卡尔曼滤波 ，详细介绍了GPS动态定位中卡尔曼滤波的应用以及整个公式推导过程(GPS dynamic Kalman filter, described in detail the dynamic positioning GPS Kalman filter applications, and the formula derivation)
- 2010-06-24 23:34:58下载
- 积分：1
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liu-control
Liu混沌系统程序及其线性反馈同步控制程序(Liu chaotic system of linear feedback synchronization control)
- 2009-07-08 13:54:32下载
- 积分：1
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MatlabPSBComponent
在网上收集的，讲述如何使用simulink环境下SimSystemBlockset中各个模块。(Collected online about how to use simulink environment SimSystemBlockset in each module.)
- 2008-04-19 07:00:16下载
- 积分：1
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A_User_Friendly_Fortran_BVP_Solver
一个用fortran90写成的BVP（ODE）的求解器，作者是写matlab函数bvp4c的作者。原理差不多。不过这个版本是用f90写的，运算速度更快。本包内含如何运这些程序的论文及算例，很好上手。(In the declarations part of this module, we first define the BVP_SOL type, which represents the numerical solution. We next define the interface BVP_INIT, which is overloaded to provide a number of functions for allowing the user to specify initial information for the computation, the interface BVP_EXTEND, which is overloaded to provide functions for extending the numerical solution to a new domain that are useful in the context of parameter continuation, and the interface BVP_EVAL, which is overloaded to provide a function for retrieving solution information. Next a number of global variables employed throughout the code are defined.
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- 2010-11-08 02:14:08下载
- 积分：1
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svm
支持向量机自动提取模糊规则，仿真结果验证了其可靠性(The use of support vector machine automatically extract fuzzy rules, simulation results verify the reliability of the method )
- 2010-03-05 10:47:22下载
- 积分：1
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a
说明： this m.file is about wsn
- 2011-05-05 15:12:57下载
- 积分：1
