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Integrated spatial and feature image systems: Retrieval, analysis and compression.

机译:集成的空间和特征图像系统:检索,分析和压缩。

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摘要

This thesis presents new methods for integrating spatial and feature information in order to improve systems for image retrieval, analysis and compression. In particular, this thesis develops and demonstrates an integrated spatial and feature query paradigm for image retrieval, a general framework for extracting spatially localized features from images using histogram and binary set back-projections, a system for image compression and analysis based upon a joint-adaptive space and frequency (JASF) graph, and a representation of texture based upon spatial-frequency energy histograms.; These techniques are similar in their exploitation of images as two-dimensional, non-stationary signals. The visually important information within images is often confined to spatially localized regions, or is represented by the spatial arrangements of these regions. By developing processes that analyze and represent images in this way, we improve our capabilities to develop powerful content-based image retrieval and image compression systems.; This thesis examines several image system applications, such as image and video storage and retrieval, content-based image query, adaptive image compression and image analysis. We demonstrate that by using the proposed integrated spatial and feature approaches, we improve image system performance in each application over non-integrated methods.
机译:本文提出了一种整合空间和特征信息的新方法,以改善图像检索,分析和压缩系统。特别是,本论文开发并演示了用于图像检索的集成空间和特征查询范例,使用直方图和二进制集反投影从图像中提取空间局部特征的通用框架,基于联合图像的图像压缩和分析系统自适应空间和频率(JASF)图,以及基于空间频率能量直方图的纹理表示。这些技术在将图像用作二维非平稳信号时类似。图像中视觉上重要的信息通常局限于空间局部区域,或者由这些区域的空间排列来表示。通过开发以这种方式分析和表示图像的流程,我们提高了开发强大的基于内容的图像检索和图像压缩系统的能力。本文研究了几种图像系统应用,例如图像和视频的存储和检索,基于内容的图像查询,自适应图像压缩和图像分析。我们证明,通过使用提出的集成空间和特征方法,我们可以在非集成方法中提高每个应用程序中的图像系统性能。

著录项

  • 作者

    Smith, John Richard.;

  • 作者单位

    Columbia University.;

  • 授予单位 Columbia University.;
  • 学科 Engineering Electronics and Electrical.
  • 学位 Ph.D.
  • 年度 1997
  • 页码 298 p.
  • 总页数 298
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无线电电子学、电信技术;
  • 关键词

  • 入库时间 2022-08-17 11:48:58

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