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公开(公告)号：US09148593B2
公开(公告)日：2015-09-29
申请号：US14472131
申请日：2014-08-28
Applicant: QUALCOMM Technologies, Inc.
Inventor： Dudi Vakrat , Noam Korem , Victor Pinto
Abstract: A noise reduction apparatus for digital cameras is presented that includes groups of one or more connected non-linear filter units. Each of the filter unit groups are driven by decimated input image data at a different level of decimation and the output of at least one of these filter unit groups serves as one of a plurality of inputs to another filter unit group driven at a different decimation level. Filtered image data from one or more filter unit groups is adaptively combined in response to one or more image metrics related to one or more local regional image characteristics.
Abstract translation: 提供了一种用于数字照相机的降噪装置，其包括一个或多个连接的非线性滤波器单元的组。 滤波器单元组中的每一个以抽取的不同抽取级别的抽取的输入图像数据驱动，并且这些滤波器单元组中的至少一个的输出用作到以不同抽取级别驱动的另一个滤波器单元组的多个输入之一 。 响应于与一个或多个局部区域图像特征相关的一个或多个图像度量自适应地组合来自一个或多个过滤器单元组的滤波图像数据。
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公开(公告)号：US20150054991A1
公开(公告)日：2015-02-26
申请号：US14472131
申请日：2014-08-28
Applicant: QUALCOMM Technologies, Inc.
Inventor： Dudi Vakrat , Noam Korem , Victor Pinto
Abstract: A noise reduction apparatus for digital cameras is presented that includes groups of one or more connected non-linear filter units. Each of the filter unit groups are driven by decimated input image data at a different level of decimation and the output of at least one of these filter unit groups serves as one of a plurality of inputs to another filter unit group driven at a different decimation level. Filtered image data from one or more filter unit groups is adaptively combined in response to one or more image metrics related to one or more local regional image characteristics.
Abstract translation: 提供了一种用于数字照相机的降噪装置，其包括一个或多个连接的非线性滤波器单元的组。 滤波器单元组中的每一个以抽取的不同抽取级别的抽取的输入图像数据驱动，并且这些滤波器单元组中的至少一个的输出用作到以不同抽取级别驱动的另一个滤波器单元组的多个输入之一 。 响应于与一个或多个局部区域图像特征相关的一个或多个图像度量自适应地组合来自一个或多个过滤器单元组的滤波图像数据。
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