遥感影像信息量与空间分辨率的关系研究

张恒, 冯德俊, 朱军, '王旭

张恒, 冯德俊, 朱军, '王旭. 遥感影像信息量与空间分辨率的关系研究[J]. 应用光学, 2014, 35(3): 409-413.
引用本文: 张恒, 冯德俊, 朱军, '王旭. 遥感影像信息量与空间分辨率的关系研究[J]. 应用光学, 2014, 35(3): 409-413.
shu
ZHANG Heng, FENG De-jun, ZHU Jun, WANG Xu. Relationship between information content and spatial resolution of remote sensing images[J]. Journal of Applied Optics, 2014, 35(3): 409-413.
Citation: ZHANG Heng, FENG De-jun, ZHU Jun, WANG Xu. Relationship between information content and spatial resolution of remote sensing images[J]. Journal of Applied Optics, 2014, 35(3): 409-413.
shu

遥感影像信息量与空间分辨率的关系研究

  • 1.

    西南交通大学 地球科学与环境工程学院遥感信息工程系,四川 成都 611756;

  • 2.

    中铁十三局集团第四工程有限公司,黑龙江 哈尔滨 150008

详细信息
    通讯作者:

    张恒（1989-），男，河南鹤壁人，博士研究生，主要从事虚拟地理环境、遥感影像的精化处理及质量评价体系方面的研究。Email: heartgoingon@163.com

  • 中图分类号: TN201

Relationship between information content and spatial resolution of remote sensing images

  • 1.

    Department of Remote Sensing and Geographic Information Engineering,Southwest Jiaotong University,Chengdu 611756,China;

  • 2.

    China Railway 13th Bureau Group Fourth Engineering Co.,Ltd.,Harbin 150008,China

摘要

    摘要
  • 摘要: 目前，关于影像信息量的研究大多是注重信息量的计算模型，很少涉及空间分辨率与信息量之间的定量关系。为了对不同空间分辨率的遥感影像进行定量化评定，以信息论和模糊数学为理论基础，信息熵为测度，通过计算不同空间分辨率水平的全色影像和多光谱影像的信息量，对信息量与空间分辨率的关系进行直接量化模拟。结果表明，影像信息量随着空间分辨率的降低呈指数降低，空间分辨率在原影像基础上每增加一倍，影像信息量相应增加3~5倍。
    Abstract: Currently, most studies focus on the calculation model of the information content, rarely involve the quantitative relation between spatial resolution and information content. In order to quantitatively evaluate different spatial resolution remote sensing images, this paper was based on the theory of information and fuzzy mathematics and the information entropy was used as the criterion. Through calculating the information content of panchromatic and multispectral image at different levels, a mathematical simulation of the relationship between information content and spatial resolution was provided. The results show that, as the spatial resolution of the image reduces, the amount of information exponentially reduces. Doubling the spatial resolution, the image information content increases 3 to 5 times.
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    • 参考文献(1)
  • [1]SHANNON C E. A mathematical theory of communication [J]. The Bell System Technical Journal, 1948, 27(3/4): 379-423, 623-656.
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    [9]郑学芬, 林宗坚, 范丽, 等. 遥感影像信息量的计算方法研究[J]. 山东科技大学学报:自然科学版, 2008, 27(1): 80-83.
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    CHENG Ji-cheng , GUO Hua-dong, SHI Wen-zhong, et al. Data uncertainties in remote sensing[M] Beijing: Science Press, 2004. (in Chinese)
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  • 刊出日期:  2014-05-14

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