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基于模糊综合评判方法的遥感影像压缩主观质量评价 被引量：3

Subjective Quality Assessment for Compressed Remote Sensing Images Based on Fuzzy Comprehensive Evaluation Method
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摘要 介绍遥感影像压缩的主观评价方法及其分类,并应用模糊综合评判方法对采用JPEG2000标准和SPIHT改进算法压缩后的重建影像进行质量评价。评价结果表明:随着压缩比增加,两种压缩算法压缩后的影像质量均逐渐下降;当压缩比不超过4∶1时,两种压缩算法得到的影像效果均较好,与原始影像差别不大;当压缩比相同时,JPEG2000算法的压缩效果略好于SPIHT算法;在地形较复杂的丘陵和山地,两种压缩算法压缩后的影像质量下降,影像失真较严重。 Subjective assessment methods for compressed remote sen.sing images and their classifications are introduced. Since subjective assessment has much fuzziness, a fuzzy comprehensive evaluation method is studied and applied in assessment for reconstructed remote sensing images which are compressed by JPEG2000 standard and improved SPIHT algorithm. The assessment results show that： for both compression algorithms of JPEG2000 and improved SPIHT, reconstructed image quality degrades with the increase of compression ratio; all reconstructed images＇ quality is better than ‘good＇ when image compression ratio is less than 4：1 ; with the same compression ratio,JPEG2000 performs better than improved SPIHT;more significant degradation of reconstructed image quality will be caused when the terrain type is more complex,or image texture is richer,such as in hill or mountain area.
作者 翟亮 唐新明 李霖 袁捷
机构地区 中国测绘科学研究院 武汉大学资源与环境科学学院
出处 《地理与地理信息科学》 CSCD 北大核心 2007年第3期24-27,32,共5页 Geography and Geo-Information Science
基金 国家基础测绘项目"高分辨率立体测图卫星深化论证与关键技术研究"(14699990624201) 国家自然科学基金项目"模糊空间要素模型的理论和方法研究"(40571127)
关键词 模糊综合评判方法 JPEG2000 SPIHT 遥感影像压缩 主观质量评价 fuzzy comprehensive evaluation method JPEG2000 SPIHT remote sensing image compression subjective quality assessment
分类号 TP75 [自动化与计算机技术—检测技术与自动化装置]
  • 相关文献

参考文献10

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共引文献26

同被引文献28

  • 1王占宏,杜道生.模糊综合评价法在数字遥感影像产品质量评价中的应用[J].武汉大学学报（信息科学版）,2005,30(5):412-416. 被引量：8
  • 2叶勤,李翔,陈鹰.基于特性统计方法的航空遥感图像质量评定研究[J].遥感信息,2006,28(5):20-23. 被引量：13
  • 3高连如,张兵,张霞,申茜.基于局部标准差的遥感图像噪声评估方法研究[J].遥感学报,2007,11(2):201-208. 被引量：54
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引证文献3

二级引证文献18

地理与地理信息科学
2007年 第3期

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