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Description: 图像处理检索中一种动态多维索引技Image retrieval in a dynamic multi-dimensional indexing technology-Image retrieval in a dynamic multi-dimensional indexing technology Image retrieval in a dynamic multi-dimensional indexing technology
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Author: wangli |
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Description: 1．分析研究了基于内容的图像检索系统的工作原理，关键技术如：纹
理、形状等图像底层特征的描述方法， 图像间的相似性度量方法，
图像库索引机制等。
2．研究了基于纹理特征的图像检索方法，并提出了一种基于NSCT 变
换的纹理特征提取方法。通过对SAR 图像及相关图像进行NSCT
分解，计算不同尺度不同方向上的系数幅度序列的均值，标准方差
和三阶中心矩，以此构成特征向量来描述图像的纹理。实验证明本
文提出的采用NSCT 算法有较好的特征提取效果，引入三阶中心矩
作为特征向量优于只使用均值和方差的组合特征，提高了图像检索
的查准率。
3．研究了基于形状特征的图像检索方法，并提出一种基于NSCT变换
的形状特征提取方法。把改进型Canny算子和NSCT变换相结合，先
对SAR图像及相关图像运用改进型Canny算子提取边缘，在此基础
上再进行NSCT变换，把图像的形状信息分解到不同尺度不同方向
上，从而保留各个频率分量，减少了图像形状信息的丢失。-1. First we analyze and study the principle of image retrieval system and
key techniques and algorithms of CBIR, such as the low-level feature
descriptions including texture, shape, the similarity measure between
images, the indexing methods and so on
2. Researching on the texture-based image retrieval algorithm, we
propose an algorithm of texture feature extraction based on the
Nonsubsampled Contourlet transform in this thesis. The image is
decomposed by the Nonsubsampled Contourlet transform. The mean,
standard deviation and third central moment of the magnitude of the
Nonsubsampled Contourlet coefficients at different scales and directions
are computed to extract the texture feature vector.Experiment proves the
third central moment added in NSCT arithmetic is overperformded than
only use the mean and standard deviation, and precision ratio has
improved.
3. Researching on the shape-based image retrieval algorithm, we propose
an algorithm of shape feature extraction bas
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Author: 周二牛 |
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Description: 将图像减色至256级灰度，使用索引算法。-Subtractive color image to 256 gray levels, the use of indexing algorithm.
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Size: 7168 |
Author: steve |
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Description: Defines a two dimensional array class and its functionality. Also derives a one dimensional array class from a 2-D array. Array_2D class is the base class for other derived classes such as Matrix, Vector, and Image classes. Array_2D class allocates carries out matrix indexing and some basic operations such as == comparsions. This class requires and guarantees that the elements are contiguous (but not necessarily the memory allocated inside each element).-Defines a two dimensional array class and its functionality. Also derives a one dimensional array class from a 2-D array. Array_2D class is the base class for other derived classes such as Matrix, Vector, and Image classes. Array_2D class allocates carries out matrix indexing and some basic operations such as == comparsions. This class requires and guarantees that the elements are contiguous (but not necessarily the memory allocated inside each element).
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Size: 539648 |
Author: Kermit |
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Description: In many areas of commerce, government, academia, and hospitals, large collections of digital images are
being created. Many of these collections are the product of digitizing existing collections of analogue photographs,
diagrams, drawings, paintings, and prints. Usually, the only way of searching these collections
was by keyword indexing, or simply by browsing. Digital images databases however, open the way to
content-based searching. In this paper we survey some technical aspects of current content-based image
retrieval systems.
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Size: 2122752 |
Author: 严 |
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Description: R-tree实现与理解，比较好，是图像检索中，高维索引必须工具-R-tree with the understanding, good image retrieval, high-dimensional indexing must tool
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Size: 17408 |
Author: dieniangai |
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Description: 本文介绍如何设置索引使用OCR技术的图像文件（包括TIFF，PDF，JPEG，BMP...）。下面描述的索引利用微软的IFilter技术，正因为如此，是不特定于SharePoint，但可用于任何产品使用Microsoft索引：微软搜索，桌面搜索，SQL Server搜索，并通过与谷歌桌面插件搜索。但是，我使用它与微软的Windows SharePoint Services2003。对于其他产品，注册可能需要略有不同。-This article describes how to set up the index using OCR technology of image files (TIFF, PDF, JPEG, BMP ...). Microsoft IFilter technology index described below, and as such, is not specific to SharePoint, but can be used for any product using Microsoft indexing: Microsoft Search, Desktop search, SQL Server search, and search with Google Desktop plug. However, I use it with Microsoft of Windows SharePoint Services2003 of. For other products, the registration may need slightly different.
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Author: dcc |
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Description: In Year 2011, Sankirti S. performed a work," Video OCR for Video Indexing". Video OCR is a technique that can greatly help to locate the topics of interest in video via the automatic extraction and reading of captions and annotations. Text in video can provide key indexing information. Recognizing such text for search application is critical. Most of the OCR engines are working on the binary image so to find a better binarization procedure for image to get a desired result is important. Accurate binarization process minimizes the error rate of video OCR.-In Year 2011, Sankirti S. performed a work," Video OCR for Video Indexing". Video OCR is a technique that can greatly help to locate the topics of interest in video via the automatic extraction and reading of captions and annotations. Text in video can provide key indexing information. Recognizing such text for search application is critical. Most of the OCR engines are working on the binary image so to find a better binarization procedure for image to get a desired result is important. Accurate binarization process minimizes the error rate of video OCR.
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Author: payal |
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Description: VB API范例 1：图像的合成 2：淡入淡出效果 3：图像动画 4：父子关系的Command对象 5：在DED中使用参数 6：动态创建数据库 7：调用COM对象操作数据库 8：获得表的索引信息等20个-VB API example 1: Image Synthesis 2: fade effect 3: image animation 4: the relationship between father and son Command objects used in DED 5: 6: 7 parameters dynamically creating database: call the COM object database operation 8: get the table indexing information 20
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Author: 天崖 |
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Description: Photos with people (e.g., family, friends, celebrities, etc.) are the major interest of users. Thus, with the exponentially growing photos, large-scale content-based face image retrieval is an enabling technology for many emerging applications. In this work, we aim to utilize automatically detected human attributes that contain semantic cues of the face photos to improve contentbased
face retrieval by constructing semantic codewords for efficient
large-scale face retrieval. By leveraging human attributes in a scalable and systematic framework, we propose two orthogonal methods named attribute-enhanced sparse coding and attributeembedded inverted indexing to improve the face retrieval in the offline and online stages. We investigate the effectiveness of different attributes and vital factors essential for face retrieval. Experimenting on two public datasets, the results show that theproposed methods can achieve up to 43.5 relative improvement in MAP compared to the existing methods.-Photos with people (e.g., family, friends, celebrities, etc.) are the major interest of users. Thus, with the exponentially growing photos, large-scale content-based face image retrieval is an enabling technology for many emerging applications. In this work, we aim to utilize automatically detected human attributes that contain semantic cues of the face photos to improve contentbased
face retrieval by constructing semantic codewords for efficient
large-scale face retrieval. By leveraging human attributes in a scalable and systematic framework, we propose two orthogonal methods named attribute-enhanced sparse coding and attributeembedded inverted indexing to improve the face retrieval in the offline and online stages. We investigate the effectiveness of different attributes and vital factors essential for face retrieval. Experimenting on two public datasets, the results show that theproposed methods can achieve up to 43.5 relative improvement in MAP compared to the existing methods.
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Author: suhail |
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Description: Robotic systems have brought significant socioeconomic impacts to human lives over the past few decades. Cloud Robotics is the latest existing idea tapping into the Internet s vast and rapidly expanding network of computing and data resources. Cloud Robotics has the potential to significantly improve robot performance by indexing libraries of annotated image models to provide semantic information, e.g., CAD models and material properties to facilitate grasping, providing access to massively parallel computation, e.g., video processing, sample-based uncertainty modeling and motion planning, and statistical robot learning, supporting on-demand sharing of data, software, trajectories, and dynamic control policies, obtaining call-center human guidance when all else fails. Cloud computing can enable cheaper, lighter, “smarter” robots. The infrastructure exists and is rapidly evolving in terms of performance and accessibility-Robotic systems have brought significant socioeconomic impacts to human lives over the past few decades. Cloud Robotics is the latest existing idea tapping into the Internet s vast and rapidly expanding network of computing and data resources. Cloud Robotics has the potential to significantly improve robot performance by indexing libraries of annotated image models to provide semantic information, e.g., CAD models and material properties to facilitate grasping, providing access to massively parallel computation, e.g., video processing, sample-based uncertainty modeling and motion planning, and statistical robot learning, supporting on-demand sharing of data, software, trajectories, and dynamic control policies, obtaining call-center human guidance when all else fails. Cloud computing can enable cheaper, lighter, “smarter” robots. The infrastructure exists and is rapidly evolving in terms of performance and accessibility
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Size: 576512 |
Author: suhail |
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Description: indexing image and search by name-indexing image and search by name
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Author: bilal |
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Description: 不同格式的图像间的转化，包括rgb图像，灰度图像，索引图像等-Conversion between different image formats, including rgb images, grayscale images, indexing images, etc.
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Size: 2055168 |
Author: 韩建辉 |
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Description: Query by content, or content-based retri has recently been proposed as
an alternative to text-based retri for media such as images, video and audio.
Text-based retri is no longer appropriate for indexing such media, for several
reasons. Firstly, keyword annotation is labor intensive, and it is not even possible
when large sets of images are to be indexed. Secondly, these annotations are
drawn a predefined set of keywords which cannot cover all possible concepts
images may represent. Finally, keywords assignment is subjective to the person
making it. Therefore, content-based image retri (CBIR) systems propose to
index the media documents based on features extracted their content rather
than by textual annotations. For still images, these features can be color, shape,
texture, objects layout, edge direction, etc.-Query by content, or content-based retri has recently been proposed as
an alternative to text-based retri for media such as images, video and audio.
Text-based retri is no longer appropriate for indexing such media, for several
reasons. Firstly, keyword annotation is labor intensive, and it is not even possible
when large sets of images are to be indexed. Secondly, these annotations are
drawn a predefined set of keywords which cannot cover all possible concepts
images may represent. Finally, keywords assignment is subjective to the person
making it. Therefore, content-based image retri (CBIR) systems propose to
index the media documents based on features extracted their content rather
than by textual annotations. For still images, these features can be color, shape,
texture, objects layout, edge direction, etc.
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Author: silkan_h |
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Description: 将每一张图的特征点采样聚类成图片的视觉单词 即视觉单词,就是对应图片的代表 创建数据库,将每张图片的视觉单词入库,并建立索引-Will feature a map of each sampling point clustered into visual images of words that is visual words, is to represent the corresponding picture of the is created, the visual image of each word storage and indexing
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Author: 耿文浩 |
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Description: 基于图像的文本提取是增长最快的一个领域的研究领域多媒体技术。的提取文本从一个复杂的或多个彩色图像是一个具有挑战性的问题。文本数据出现在图像包含有用的信息习惯性的解释,索引和结构的图像。提取这些信息涉及到检测、定位、跟踪、提取、增强和识别的文本从一个给定的图像。-Image based text extraction is one of the fastest growing research areas in the field of multimedia technology. The extraction of text a complex or more colorful images is a challenging problem. Text data present in images contains useful information for habitual explanation, indexing, and structuring of images. Extraction of this information involves detection, localization, tracking, extraction, enhancement, and recognition of the text a given image.
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Author: 李健平 |
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Description: 一套基于PHP+MYSQL平台架构的BT发布索引系统。页面使用DIV+CSS模板设计机制构建，严格遵守XHTML制作标准，完全兼容各主流浏览器（IE、Firefox、Opera等），风格定制简单到仅需一个css文件和数个图片即可。-A release indexing system based on PHP+ MYSQL platform architecture BT. Page use DIV+ CSS template design mechanisms to build, strict adherence to production standards XHTML, fully compatible with all major browsers (IE, Firefox, Opera, etc.), just to a simple style custom css file and several image can be.
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Author: ekr |
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Description: 使用.Net开发的一个App应用商店管理系统，具有App展示，上传，下载和管理功能。
文件路径说明：
PictureIndex1为截图一路径索引，数据库中PictureIndex1中存储数据为文件名例如：
1.jpg为截图1的文件名，完整绝对路径应为：工程所在根目录\UploadFiles\AppID\Image\1.jpg
2.例如，cocos2d-x-2.2.5.zip表示的完整路径应为FTP服务器所在根目录\UploadFiles\AppID\Image\cocos2d-x-2.2.5.zip
暂未设置文件上传的类型限制，提供文件限制类别后修改代码即可
若PictureIndex1、PackageIndex类容为空或0表示此文件不存在
工程所在根目录需与FTP所在根目录相同：
例如FTP物理路径设置为 D:\WebSite
网站物理路径也应设置为 D:\WebSite
目前FTP配置连接方式为匿名（Anonymous）
-.Net Development using an App Store application management system with App display, upload, download, and management functions. File Path Description: PictureIndex1 a path for the theme indexing, storage, data in the PictureIndex1 for the file name, for example: 1.jpg 1 screenshot file name, the full, absolute path should be as follows: Engineering, where the root \ UploadFiles \ AppID \ Image \ 1 .jpg 2. for example, type the full path cocos2d-x-2.2.5.zip limit should be represented where the FTP server root directory \ UploadFiles \ AppID \ Image cocos2d-x-2.2.5.zip Write settings files \ upload providing files to modify the code to limit the categories if PictureIndex1, PackageIndex class content is null or 0 indicates a directory and need FTP root directory where the same file does not exist where the root of the project: for example, FTP physical path is set to D: \ webSite website physical path should also be set to D: \ WebSite FTP connections currently configured for anonymous
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Author: huashi |
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Description: 遥感影像剖分金字塔研究
分析了全球剖分格网与影像金字塔的优点与不足,结合两者的优势提出了剖分影像金字塔模型及建塔策略,利用全球剖分格网面片编码的唯一性和Hilbert曲线空间连续性对影像块进行索引与组织.针对基于影像块组织的特点,提出了剖分影像金字塔局部更新的方案.实验结果表明,剖分影像金字塔不仅具有传统影像金字塔在快速浏览上的优势,并且由于其编码和索引的优势,使得在局部影像提取和更新方面效率更高,有一定的使用价值.
-Remote Sensing split Pyramid Research analyzes the advantages and disadvantages of global subdivision grid and image pyramid, combining the advantages of both proposed split image pyramid model and strategy to build towers, use of global subdivision grid patch coding Uniqueness Hilbert curve and spatial continuity of the image block indexing and organization. based on the characteristics of the image block for the organization, proposed a partial update of the split image pyramid scheme. the results show that not only has the traditional split image pyramid image on pyramids in Quick View advantages, and because of its advantages coding and indexing, so higher extraction efficiency and updating local image, there is a certain value.
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Author: fangsm1 |
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