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    • 8. 发明申请
    • Auto-regressive method and filter for denoising images and videos
    • 用于去噪图像和视频的自回归方法和滤波器
    • US20070140587A1
    • 2007-06-21
    • US11313421
    • 2005-12-21
    • Hon WongAndy Chang
    • Hon WongAndy Chang
    • G06K9/40
    • G06K9/40
    • A method and apparatus for denoising digital images or videos, which is an extension of the spatial varying filter (SVF) by using a past filtered pixel, instead of the current pixel itself as the input for producing an output for the current pixel. Based on this concept, a number of denoising filters are provided, including Auto-regressive Spatial Varying Filter (ARSVF), Modified Auto-regressive Spatial Varying Filter (MARSVF), Auto-Regressive Spatiotemporal Varying Filter (ARSTVF) which is an extension of Spatiotemporal Varying Filter (STVF), Auto-regressive Motion Compensated Spatiotemporal Varying Filter (ARMCSTVF) which is extension of Motion Compensated Spatiotemporal Varying Filter (MCSTVF), and Selective Auto-regressive Motion Compensated Spatiotemporal Varying Filter (SARMCSTVF).
    • 一种用于去噪数字图像或视频的方法和装置,其是通过使用过去滤波的像素而不是当前像素本身作为用于产生当前像素的输出的输入的空间变化滤波器(SVF)的扩展。 基于这个概念,提供了多个去噪滤波器,包括自回归空间变化滤波器(ARSVF),改进的自回归空间变化滤波器(MARSVF),自回归时空变化滤波器(ARSTVF),它是时空的扩展 变化滤波器(STVF),自动回归运动补偿时空变化滤波器(ARMCSTVF),它是运动补偿时空变化滤波器(MCSTVF)和选择性自回归运动补偿时空变化滤波器(SARMCSTVF)的扩展。