despeckle 中文意思是什麼
despeckle
解釋
和去除雜點-
3, on the base of the traditional spatial filtering, the author present, a new despeckle algorithm, that make use of iterated processing and correlated neighbourhood model, iterated filtering method of the sar image combining the correlated neighbourhood model with maximum a posteriori filter. first, a series of templates refecting direction information are established and every template is present for a kind of neighbour structure. then on the basis of sar images statistical property, the maximum a posteriori estimate of the real intensity under observation image values is got by bayes formulatio - n
3 、針對傳統空間濾波器的不足，引入迭代處理和相關鄰域模型的概念，提出了基於相關鄰域模型的最大后驗迭代濾波。該演算法引用一系列反映局部邊界特徵的鄰域模型，以描述圖像的細節。引入強度的先驗概率分佈模型，利用bayes方法，對各個結構進行實際強度的最大后驗估計。 -
Despeckle removes speckles or small imperfections from an entire image
去除斑點消除整幅圖像中的斑點或一小部分不理想之處。 -
Under a unified frame, different despeckling sub - algorithms are designed to despeckle different kinds of regions : a modified acmap algorithm ( simulated annealing correlated neighborhood map despeckling algorithm ) is used to depress the speckle in homogeneous regions, and the macro structural information is introduced into the despeckling algorithm in heterogeneous regions to protect the structures
在統一的框架下，針對不同的描述模型的特點設計了相應的相干斑抑制方法。針對平穩區域設計了改進的acmap演算法（基於模擬退火和相關鄰域的最大后驗估計相干斑抑制演算法） ，針對非平穩區域將分割得到的宏觀結構信息引入到演算法中，有效的保護了宏觀結構性信息。 -
2, the author analyses and derives the more famous despeckle algorithm and has already made a program to implement these algorithms.
2 、分析和推導了一些比較重要的相干斑抑制演算法，並編程實現了這些演算法。
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