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一種融合殘差點信息的改進(jìn)的多基線InSAR高程重建方法

謝先明 唐超

謝先明, 唐超. 一種融合殘差點信息的改進(jìn)的多基線InSAR高程重建方法[J]. 電子與信息學(xué)報, 2018, 40(5): 1159-1165. doi: 10.11999/JEIT170775
引用本文: 謝先明, 唐超. 一種融合殘差點信息的改進(jìn)的多基線InSAR高程重建方法[J]. 電子與信息學(xué)報, 2018, 40(5): 1159-1165. doi: 10.11999/JEIT170775
XIE Xianming, TANG Chao. An Improved Multi-baseline InSAR Height Reconstruction Method Based on Interferogram Residues[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1159-1165. doi: 10.11999/JEIT170775
Citation: XIE Xianming, TANG Chao. An Improved Multi-baseline InSAR Height Reconstruction Method Based on Interferogram Residues[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1159-1165. doi: 10.11999/JEIT170775

一種融合殘差點信息的改進(jìn)的多基線InSAR高程重建方法

doi: 10.11999/JEIT170775
基金項目: 

國家自然科學(xué)基金(41661092, 61461011),廣西自然科學(xué)基金重點項目(2016GXNSFDA380009),廣西自然科學(xué)基金(2014GXNSFBA118273),廣西無線寬帶通信與信號處理重點實驗室2014/2015年主任基金(GXKL061503),桂林電子科技大學(xué)2017年研究生創(chuàng)新項目(2017YJCX23)

An Improved Multi-baseline InSAR Height Reconstruction Method Based on Interferogram Residues

Funds: 

The National Natural Science Foundation of China (41661092, 61461011), The Key Project of Guangxi Natural Science Foundation (2016GXNSFDA380009), The Guangxi Natural Science Foundation (2014GXNSFBA118273), The Guangxi Wireless Broadband Communication and Signal Processing Key Laboratory 2014/2015 Director Fund Project Grant (GXKL061503), The Guilin University of Electronic Technology 2017 Graduate Students Innovation Project (2017YJCX23)

  • 摘要: 針對不連續(xù)地形難以精確重建地形高程的問題,將干涉圖殘差點和相鄰像素點差異比較相結(jié)合的壞點判斷方法與基于全變分能量函數(shù)的最大后驗估計算法結(jié)合起來,該文提出一種改進(jìn)的多基線InSAR高程重建方法。該方法利用干涉圖殘差點和相鄰像素點差異比較對不連續(xù)點計算原理的不同,對基于全變分能量函數(shù)的最大后驗估計算法重建的預(yù)估地形高程圖進(jìn)行壞點判斷,有效判斷出高程圖不連續(xù)點中由于噪聲或計算誤差引起的壞點,并對預(yù)估地形高程圖中壞點進(jìn)行適當(dāng)加權(quán)更新獲得最終估計的地形高程圖。該文算法在保留基于全變分能量函數(shù)的最大后驗估計算法簡便的優(yōu)點的同時提高了目標(biāo)地形高程的估計精度。最后通過2種不同類型地形的仿真實驗,表明該方法簡單有效。
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出版歷程
  • 收稿日期:  2017-08-02
  • 修回日期:  2018-01-08
  • 刊出日期:  2018-05-19

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