时空信号的自适应取心技术

Proceedings of the IEEE Workshop on Visual Motion Pub Date : 1991-10-07 DOI:10.1109/WVM.1991.212767

J. Lubin

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引用次数: 3

摘要

取心是一种非线性滤波技术，传统上被电视工程师用来降低亮度信号中噪声的可感知性。作者提出了一种基于时空信号定向三维分解的核芯的推广方法，并提出了一种基于心理物理学的方法来自适应地设置非线性核芯函数在时间和空间上的每个点的形状。在典型的噪声图像序列上，该三维取心系统的去噪效果优于其他取心技术。

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Adaptive coring techniques for spatio-temporal signals

Coring is a nonlinear filtering technique traditionally used by television engineers to reduce the perceptibility of noise in the luminance signal. The author presents a generalization to coring on an oriented 3D decomposition of spatio-temporal signals, along with a psychophysically based method for adaptively setting the shape of the nonlinear coring function at each point in time and space. Noise cleaning results for this 3D coring system are better than those achieved by other coring techniques on typical noisy image sequences.<>

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Proceedings of the IEEE Workshop on Visual Motion

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