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- The original centroid tracking algorithm is no longer suitable because of the speckle noise in ladar image. 然而常規形心跟蹤算法因激光雷達圖像受到散斑噪聲影響而變得不適合。
- The testing image of shearography includes much speckle noise, so de-noising is a very important task. 散斑圖像往往含有較大的噪聲,如何對散斑圖像進(jìn)行降噪處理是一個(gè)非常重要的問(wèn)題。
- In this paper, a nonlinear multiwavelet transform adaptive threshold value method is proposed to suppress speckle noise. 摘要文章提出了一種新的用于斑點(diǎn)噪聲抑制的非線(xiàn)性多小波變換自適應閾值算法。
- The edge judged from modulus maxima not only suppresses the speckle noise but also improves the veracity of edge position. 由于小波變換具有多分辨分析和時(shí)頻局部化特性，使其在圖像處理中有突出的表現。
- An algorithm based on the anisotropic diffusion equation is presented to suppress the speckle noise of B-Scan ultrasound image. 提出了一種基于各向異性擴散方程的B超圖像斑點(diǎn)噪聲抑制的算法。
- At first utilized the SOT to normalize the multiwavelet coefficients in high frequency band and removed the signal-dependence of the speckle noise. 首先利用SOT對高頻子帶的多小波系數進(jìn)行軟閾值去噪，濾除相干斑噪聲;
- In the noise simulation SYSNOISE is applied to get estimable simulation results of aircraft noise close to ground. 設計了一種可用于機場(chǎng)無(wú)人監測的專(zhuān)用無(wú)線(xiàn)噪聲測試系統。
- This paper presents an approach for the speckle noise reduction in three-dimensional surface laser light sensing: surface light scanning. 摘要提出一種激光片光三維傳感中降低散斑影響的方法：片光面內移動(dòng)掃描法。
- Especially in the edge extraction, the speckle noise makes none of the conventional extraction algorithms get good result. 特別是對于邊緣提取，斑點(diǎn)噪聲使得傳統的提取算法幾乎都無(wú)法取得理想的效果。
- Because there is speckle noise in SAR image and the background clutter of water is usually very complex, weak target detection is a big challenge for conventional methods. SAR圖像存在相干噪聲以及水面背景雜波的復雜性,傳統方法對于弱目標檢測存在困難。
- Owing to the advantages of shift-invariance and excellent spatial orientations,the dual-tree complex wavelet transform is used to reduce SAR speckle noise. 然后對小波變換斑點(diǎn)噪聲濾波方法進(jìn)行分析,提出了基于二元樹(shù)復小波變換的SAR圖像濾波方法。
- The multiplicative nature of the speckle noise in SAR images is a big problem in SAR image segmentation.A novel method for automatic segmentation of SAR images is proposed. 由于存在相干斑噪聲的影響，給SAR圖像分割造成很大的困難，該文提出了一種SAR圖像的自動(dòng)分割方法。
- The experimental results show that excellent performance can be achieved: the image speckle noise is reduced effectively and the ENL is high, and the image quality is improved obviously. 經(jīng)本文方法處理后的圖像,其相干斑噪聲得到了有效的抑制,具有較高的等效視數,明顯地改善了圖像的質(zhì)量。
- A novel approach of speckle noise reduction is put forward according to the distributions of signal and noise under different scales of Synthetic Aperture Radar (SAR) images based on Wavelet Packet Transform (WPT). 根據信號和噪聲的小波系數在不同分解尺度上的分布;提出應用小波包變換(WPT)消除合成孔徑雷達(SAR)圖像斑點(diǎn)噪聲的新方法.
- Experimental result shows the algorithm has nearly the same edge preserving performance as nonlinear multiwavelet transform, and nearly the same speckle noise suppression performance as filtering. 此算法對原圖像進(jìn)行多小波變換，然后在不同尺度，不同方向進(jìn)行自適應閾值處理，仿真結果表明：本算法能夠有效地抑制了斑點(diǎn)噪聲，又保留有用信號及邊緣信息。
- Synthetic aperture radar (SAR) is affected by speckle noise seriously.It is difficult to use the classic means for optical images when we perform SAR images registration and change detection. 摘要合成孔徑雷達(SAR)圖像由于受相干斑噪聲的影響，在對其進(jìn)行配準及變化檢測時(shí)，經(jīng)典的適于光學(xué)圖像的方法效果不佳。
- Study of SAR Speckle Noise Suppressing SAR相干斑噪聲的抑制
- Vessel Noise Simulation of Towed Sonar 拖曳聲納的本艦噪聲仿真
- New method for reducing speckle noise in sar image 相干斑噪聲抑制技術(shù)研究
- Wind noise simulation of passenger car 乘用車(chē)風(fēng)噪聲模擬研究
