Thirdly, the application of wavelet analysis for image denoising is introduced, three methods of wavelet denoisiong are described: modulus maximum method, spatially correlation method and threshold method.
第三,本部分内容分析了小波分析在图像降噪中的应用,介绍了小波降噪的三种方法:模极大值方法、空域相关性方法和阈值法。
参考来源 - 小波分析在金属图像降噪中的应用研究Spatial correlation filtering is designed based on the fact that true signal and noiseshave different statistical properties in different scales or with the same scale.
空域相关滤波是利用真实信号和噪声信号在小波分解后不同尺度间存在的不同的统计特性提出的小波域滤波算法。
参考来源 - 基于模糊理论与空域相关滤波的声图像处理技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
空间相关长度分析证实了背景起伏具有强的空域相关性。
The spatial correlative length analysis proves the clutter highly spatial correlative.
在平稳的基础上，使用相关长度刻划背景起伏的时空域相关性，得到两个结论。
Based on the stationary, the correlative length was applied to describe its temporal-spatial correlation, and then two conclusions were made.
针对传统滤波方法滤除激光陀螺随机噪声性能低的特点，提出了一种改进的空域相关滤波方法。
According to poor performance in denoising laser gyro random noise by using traditional filtering methods, an improved spatial correlation filtering algorithm is presented.
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