测绘与空间地理信息
測繪與空間地理信息
측회여공간지리신식
GEOMATICS & SPATIAL INFORMATION TECHNOLOGY
2014年
1期
51-54,57
,共5页
高分辨率%遥感影像%滤波算法%综述
高分辨率%遙感影像%濾波算法%綜述
고분변솔%요감영상%려파산법%종술
high resolution%remote sensing image%filtering algorithm%summary
高分辨率卫星影像空间分辨率高,地物结构纹理信息突出,常用于土地利用监测、自然灾害预报等领域,但其所含的背景噪声影响了影像识别和分析的有效性和可靠性,因此,选取合适的滤波方法消除各种噪声成为遥感影像处理的首要任务。在遥感技术发展的几十年中,研究者们针对各种噪声类型已发展了多种滤波方法。本文分析了高分辨率遥感影像噪声的特点,介绍了一些传统的滤波算法和近年来广泛应用的新型滤波方法,并深入探讨各种滤波器的性能及其优缺点,为今后选择合适的算法消除高分辨率遥感影像噪声提供参考,最后对遥感影像滤波方法的发展前景进行了展望。
高分辨率衛星影像空間分辨率高,地物結構紋理信息突齣,常用于土地利用鑑測、自然災害預報等領域,但其所含的揹景譟聲影響瞭影像識彆和分析的有效性和可靠性,因此,選取閤適的濾波方法消除各種譟聲成為遙感影像處理的首要任務。在遙感技術髮展的幾十年中,研究者們針對各種譟聲類型已髮展瞭多種濾波方法。本文分析瞭高分辨率遙感影像譟聲的特點,介紹瞭一些傳統的濾波算法和近年來廣汎應用的新型濾波方法,併深入探討各種濾波器的性能及其優缺點,為今後選擇閤適的算法消除高分辨率遙感影像譟聲提供參攷,最後對遙感影像濾波方法的髮展前景進行瞭展望。
고분변솔위성영상공간분변솔고,지물결구문리신식돌출,상용우토지이용감측、자연재해예보등영역,단기소함적배경조성영향료영상식별화분석적유효성화가고성,인차,선취합괄적려파방법소제각충조성성위요감영상처리적수요임무。재요감기술발전적궤십년중,연구자문침대각충조성류형이발전료다충려파방법。본문분석료고분변솔요감영상조성적특점,개소료일사전통적려파산법화근년래엄범응용적신형려파방법,병심입탐토각충려파기적성능급기우결점,위금후선택합괄적산법소제고분변솔요감영상조성제공삼고,최후대요감영상려파방법적발전전경진행료전망。
With high spatial resolution , prominent feature structure and texture information , high resolution satellite imagery commonly use in the field such as land use monitoring and natural disaster forecasting .However, the containing background noise in high resolu-tion satellite imagery affects the validity and reliability of the image recognition and analysis .Therefore, selecting the appropriate filte-ring to eliminate all kinds of noise has become the primary task of remote sensing image processing .In the decades of the development of remote sensing technology , researchers have developed a variety of filtering methods for various types of noise .In summary, first a-nalysis the characteristics of the high resolution remote sensing image noise , then introduces several traditional filtering methods and some new filtering methods widely used in recent years , and delve into the performance , advantages and disadvantages of the various filters, provide a reference for the future selecting of the appropriate algorithm to eliminate the high resolution remote sensing image noise, finally is the prospect for remote sensing image filtering method development .