DE602009000340D1 - Verfahren und Vorrichtung zum Filtern des Speckle-Rauschens in SAR Bildern - Google Patents

Verfahren und Vorrichtung zum Filtern des Speckle-Rauschens in SAR Bildern

Info

Publication number
DE602009000340D1
DE602009000340D1 DE602009000340T DE602009000340T DE602009000340D1 DE 602009000340 D1 DE602009000340 D1 DE 602009000340D1 DE 602009000340 T DE602009000340 T DE 602009000340T DE 602009000340 T DE602009000340 T DE 602009000340T DE 602009000340 D1 DE602009000340 D1 DE 602009000340D1
Authority
DE
Germany
Prior art keywords
filtered
pixels
log
setting
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602009000340T
Other languages
English (en)
Inventor
Bruno Aster
Marco Mazzolena
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GALILEIAN PLUS Srl
Original Assignee
GALILEIAN PLUS Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GALILEIAN PLUS Srl filed Critical GALILEIAN PLUS Srl
Publication of DE602009000340D1 publication Critical patent/DE602009000340D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10032—Satellite or aerial image; Remote sensing
    • G06T2207/10044—Radar image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20076—Probabilistic image processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30181—Earth observation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
DE602009000340T 2008-07-16 2009-07-14 Verfahren und Vorrichtung zum Filtern des Speckle-Rauschens in SAR Bildern Active DE602009000340D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2008A001296A IT1390720B1 (it) 2008-07-16 2008-07-16 Procedimento per filtrare immagini sar dal rumore di speckle e relativo dispositivo

Publications (1)

Publication Number Publication Date
DE602009000340D1 true DE602009000340D1 (de) 2010-12-23

Family

ID=40459892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602009000340T Active DE602009000340D1 (de) 2008-07-16 2009-07-14 Verfahren und Vorrichtung zum Filtern des Speckle-Rauschens in SAR Bildern

Country Status (4)

Country Link
EP (1) EP2146315B1 (de)
AT (1) ATE487994T1 (de)
DE (1) DE602009000340D1 (de)
IT (1) IT1390720B1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101908206B (zh) * 2010-07-01 2012-01-11 西北工业大学 一种基于mca的sar图像抑噪方法
CN102136134B (zh) * 2011-03-11 2012-12-26 西安电子科技大学 基于mrf先验的sar图像去斑方法
CN103500453B (zh) * 2013-10-13 2016-04-27 西安电子科技大学 基于伽玛分布和邻域信息的sar图像显著性区域检测方法
CN103926585B (zh) * 2014-04-30 2016-08-24 电子科技大学 一种基于认知的协同探测网Gamma起伏目标检测方法
CN105956599B (zh) * 2015-04-17 2019-12-24 西南交通大学 合成孔径雷达图像建模方法及装置
CN105354798B (zh) * 2015-08-25 2017-10-24 西安电子科技大学 基于几何先验和分布相似性测度的sar图像去噪方法
CN105787517B (zh) * 2016-03-11 2018-12-14 西安电子科技大学 基于小波稀疏自编码器的极化sar图像分类方法
CN106097292B (zh) * 2016-08-04 2019-12-24 甘宗平 一种用于遥感影像处理的时空邻域高斯加权中值滤波方法
CN106447629B (zh) * 2016-09-08 2019-07-09 大连海事大学 基于比值距离的非局部均值雷达图像相干斑抑制方法
CN106408532B (zh) * 2016-09-09 2018-12-11 西北工业大学 基于剪切波域参数估计的合成孔径雷达sar图像去噪方法
CN106683060A (zh) * 2017-01-03 2017-05-17 北京大学 一种烧火模型去除微波噪声方法
CN110852975B (zh) * 2019-11-15 2023-10-17 大连海事大学 变异系数与局部熵联合驱动雷达图像非局部均值方法
CN111062972B (zh) * 2019-12-25 2023-11-21 泉州装备制造研究所 基于图像频率域转换的图像跟踪方法
CN111461999B (zh) * 2020-03-13 2023-02-14 西安工程大学 一种基于超像素相似性测量的sar图像相干斑抑制方法
CN111768360A (zh) * 2020-05-07 2020-10-13 陕西师范大学 一种基于剪切波处理高分三号sar图像河岸线检测方法
CN111861905B (zh) * 2020-06-17 2022-07-15 浙江工业大学 基于Gamma-Lee滤波的SAR影像斑点噪声抑制方法
CN112698330B (zh) * 2020-12-14 2023-09-22 大连海事大学 基于比值对数积的极化sar图像非局部均值方法
CN112991373A (zh) * 2021-02-26 2021-06-18 成都正和德能风险管理咨询有限公司 一种水灾损失评估方法及系统
CN118071608B (zh) * 2024-01-08 2024-08-27 中国林业科学研究院资源信息研究所 基于矩阵比值的多极化sar多时相滤波方法及系统
CN117991210B (zh) * 2024-04-03 2024-07-30 北京宏锐星通科技有限公司 一种基于sar图像的干扰效果评估方法、装置及设备

Also Published As

Publication number Publication date
EP2146315B1 (de) 2010-11-10
ITMI20081296A1 (it) 2010-01-17
IT1390720B1 (it) 2011-09-15
EP2146315A1 (de) 2010-01-20
ATE487994T1 (de) 2010-11-15

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