CN105894476B - 基于字典学习融合的sar图像降噪处理方法 - Google Patents
基于字典学习融合的sar图像降噪处理方法 Download PDFInfo
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- CN105894476B CN105894476B CN201610251570.7A CN201610251570A CN105894476B CN 105894476 B CN105894476 B CN 105894476B CN 201610251570 A CN201610251570 A CN 201610251570A CN 105894476 B CN105894476 B CN 105894476B
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- 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
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- 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
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- 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
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- 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
- G06T2207/20081—Training; Learning
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- 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
- G06T2207/20212—Image combination
- G06T2207/20221—Image fusion; Image merging
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Abstract
Description
去噪方法 | PSNR(db) | ENL | EPI |
WT去噪 | 22.7676 | 3.4523 | 0.6013 |
Curvelet去噪 | 24.875 | 4.2352 | 0.6460 |
NSCT降噪处理 | 31.3726 | 3.4566 | 0.6150 |
K-SVDT降噪处理 | 31.95 | 5.8615 | 0.6223 |
本发明方法 | 35.2602 | 5.4727 | 0.6297 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106981058A (zh) * | 2017-03-29 | 2017-07-25 | 武汉大学 | 一种基于稀疏字典的光学与红外图像融合方法及系统 |
CN107301632A (zh) * | 2017-06-28 | 2017-10-27 | 重庆大学 | 一种基于排序联合稀疏表示的sar图像降斑方法 |
CN107451608B (zh) * | 2017-07-21 | 2020-08-04 | 西安电子科技大学 | 基于多视幅度统计特性的sar图像无参考质量评价方法 |
CN107333289B (zh) * | 2017-07-21 | 2020-04-07 | 西安科技大学 | 煤矿救援机器人环境信息自衍生小波数据压缩及重构方法 |
CN107451980B (zh) * | 2017-08-14 | 2020-02-28 | 厦门大学 | 一种基于压缩感知的太赫兹图像去噪方法 |
CN107895139B (zh) * | 2017-10-19 | 2021-09-21 | 金陵科技学院 | 一种基于多特征融合的sar图像目标识别方法 |
CN108154499B (zh) * | 2017-12-08 | 2021-10-08 | 东华大学 | 一种基于k-svd学习字典的机织物纹理瑕疵检测方法 |
CN107945142B (zh) * | 2017-12-29 | 2020-08-11 | 河北大学 | 一种合成孔径雷达图像去噪方法 |
CN112712480B (zh) * | 2020-12-31 | 2024-02-13 | 杭州电子科技大学 | 一种基于各向异性和字典学习的sar图像降斑方法 |
CN112884686A (zh) * | 2021-01-27 | 2021-06-01 | 四川警察学院 | 一种自适应对比度增强字典学习的多聚焦图像融合方法 |
Citations (2)
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CN102968781A (zh) * | 2012-12-11 | 2013-03-13 | 西北工业大学 | 基于nsct和稀疏表示的图像融合方法 |
CN104637037A (zh) * | 2015-03-13 | 2015-05-20 | 重庆大学 | 一种基于非本地分类稀疏表示的sar图像降噪方法 |
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US8494305B2 (en) * | 2011-12-20 | 2013-07-23 | Mitsubishi Electric Research Laboratories, Inc. | Image filtering by sparse reconstruction on affinity net |
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CN102968781A (zh) * | 2012-12-11 | 2013-03-13 | 西北工业大学 | 基于nsct和稀疏表示的图像融合方法 |
CN104637037A (zh) * | 2015-03-13 | 2015-05-20 | 重庆大学 | 一种基于非本地分类稀疏表示的sar图像降噪方法 |
Non-Patent Citations (2)
Title |
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A general framework for image fusion based on multi-scale transform and sparse representation;Yu Liu 等;《Information Fusion》;20150731;第24卷;147-164 * |
基于稀疏表示的SAR图像降噪算法研究;吴奇政;《道客巴巴》;20160130;正文第20页第3.2节,第40页第4.2.2节,第42页第4.2.3节,第60页第5.1.3节,第62页第5.3节,第63页第5.3.3节,第73页第5.5节 * |
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