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公开(公告)号：US09031319B2
公开(公告)日：2015-05-12
申请号：US13485341
申请日：2012-05-31
申请人： Guy Cote , Suk Hwan Lim , Munehiro Mori , Sheng Lin
发明人： Guy Cote , Suk Hwan Lim , Munehiro Mori , Sheng Lin
摘要： Systems, methods, and devices for sharpening image data are provided. One example of an image signal processing system includes a YCC processing pipeline that includes luma sharpening logic. The luma sharpening logic may sharpen the luma component while avoiding sharpening some noise. Specifically, a multi-scale unsharp mask filter may obtain unsharp signals by filtering an input luma component, and sharp component determination logic may determine sharp signals representing differences between the unsharp signals and the luma component. Sharp lookup tables may “core” the sharp signals, which may prevent some noise from being sharpened. Output logic may determine a sharpened output luma signal by combining the sharp signals with, for example, luma component or one of the unsharp signals.
摘要翻译： 提供了用于锐化图像数据的系统，方法和设备。 图像信号处理系统的一个示例包括包括亮度锐化逻辑的YCC处理流水线。 亮度锐化逻辑可以锐化亮度分量，同时避免锐化某些噪声。 具体地说，多尺度钝化掩模滤波器可以通过对输入亮度分量进行滤波来获得钝化信号，并且尖锐分量确定逻辑可以确定表示不清晰信号和亮度分量之间差异的尖锐信号。 锐度查找表可能会“清除”尖锐的信号，这可能会阻止某些噪点的锐化。 输出逻辑可以通过将尖锐信号与例如亮度分量或钝化信号之一组合来确定锐化的输出亮度信号。
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公开(公告)号：US20130321700A1
公开(公告)日：2013-12-05
申请号：US13485341
申请日：2012-05-31
申请人： Guy Cote , Suk Hwan Lim , Munehiro Mori , Sheng Lin
发明人： Guy Cote , Suk Hwan Lim , Munehiro Mori , Sheng Lin
IPC分类号： H04N11/20
摘要： Systems, methods, and devices for sharpening image data are provided. One example of an image signal processing system includes a YCC processing pipeline that includes luma sharpening logic. The luma sharpening logic may sharpen the luma component while avoiding sharpening some noise. Specifically, a multi-scale unsharp mask filter may obtain unsharp signals by filtering an input luma component, and sharp component determination logic may determine sharp signals representing differences between the unsharp signals and the luma component. Sharp lookup tables may “core” the sharp signals, which may prevent some noise from being sharpened. Output logic may determine a sharpened output luma signal by combining the sharp signals with, for example, luma component or one of the unsharp signals.
摘要翻译： 提供了用于锐化图像数据的系统，方法和设备。 图像信号处理系统的一个示例包括包括亮度锐化逻辑的YCC处理流水线。 亮度锐化逻辑可以锐化亮度分量，同时避免锐化某些噪声。 具体地说，多尺度钝化掩模滤波器可以通过对输入亮度分量进行滤波来获得钝化信号，并且尖锐分量确定逻辑可以确定表示不清晰信号和亮度分量之间差异的尖锐信号。 锐度查找表可能会“清除”尖锐的信号，这可能会阻止某些噪点的锐化。 输出逻辑可以通过将尖锐信号与例如亮度分量或钝化信号之一组合来确定锐化的输出亮度信号。
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3.发明申请公开(公告)号：US20130321671A1
公开(公告)日：2013-12-05
申请号：US13485101
申请日：2012-05-31
申请人： Guy Cote , D. Amnon Silverstein , Suk Hwan Lim , Sheng Lin , Haitao Guo
发明人： Guy Cote , D. Amnon Silverstein , Suk Hwan Lim , Sheng Lin , Haitao Guo
IPC分类号： H04N5/217
CPC分类号： H04N5/365
摘要： The present disclosure generally relates to systems and methods for image data processing. In certain embodiments, an image processing pipeline may be configured to receive a frame of the image data having a plurality of pixels acquired using a digital image sensor. The image processing pipeline may then be configured to determine a first plurality of correction factors that may correct each pixel in the plurality of pixels for fixed pattern noise. The first plurality of correction factors may be determined based at least in part on fixed pattern noise statistics that correspond to the frame of the image data. After determining the first plurality of correction factors, the image processing pipeline may be configured to configured to apply the first plurality of correction factors to the plurality of pixels, thereby reducing the fixed pattern noise present in the plurality of pixels.
摘要翻译： 本公开通常涉及用于图像数据处理的系统和方法。 在某些实施例中，图像处理流水线可以被配置为接收具有使用数字图像传感器获取的多个像素的图像数据的帧。 然后，图像处理流水线可以被配置为确定可修正多个像素中的每个像素以用于固定模式噪声的第一多个校正因子。 可以至少部分地基于对应于图像数据的帧的固定模式噪声统计来确定第一多个校正因子。 在确定了第一多个校正因子之后，图像处理流水线可以被配置为将多个第一校正因子应用于多个像素，从而减少存在于多个像素中的固定模式噪声。
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公开(公告)号：US09332239B2
公开(公告)日：2016-05-03
申请号：US13484814
申请日：2012-05-31
申请人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , Steven David Hordley , Joseph P. Bratt
发明人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , Steven David Hordley , Joseph P. Bratt
CPC分类号： H04N9/646 , G06T1/20 , G06T3/4015 , G06T5/002 , G06T5/009 , G06T5/20 , G06T2207/10024 , H04N5/365 , H04N9/045 , H04N9/735
摘要： Systems and methods for processing image data in RGB format are provided. In one example, an electronic device includes memory to store image data in raw or RGB format, or both, and an RGB image processing pipeline to process the image data. Specifically, the RGB image processing pipeline may process the image data regardless of whether the image data is of raw or RGB format. The RGB image processing pipeline may include receiving logic to receive the image data in raw or RGB format and demosaicing logic to, when the receiving logic receives the image data in raw format, convert the image data into RGB format. The logic may include local tone mapping logic configured to apply spatially varying tone curves to the image data, a color correction matrix configured to correct color in the image data, and gamma logic configured to transform the image data into gamma space.
摘要翻译： 提供了以RGB格式处理图像数据的系统和方法。 在一个示例中，电子设备包括用于以原始或RGB格式或两者存储图像数据的存储器和用于处理图像数据的RGB图像处理流水线。 具体而言，RGB图像处理流水线可以处理图像数据，而不管图像数据是原始还是RGB格式。 RGB图像处理流水线可以包括接收逻辑以接收原始或RGB格式的图像数据和去马赛克逻辑，当接收逻辑以原始格式接收图像数据时，将图像数据转换为RGB格式。 逻辑可以包括被配置为将空间变化的色调曲线应用于图像数据的本地色调映射逻辑，配置为校正图像数据中的颜色的色彩校正矩阵，以及被配置为将图像数据变换为伽马空间的伽马逻辑。
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公开(公告)号：US20130322746A1
公开(公告)日：2013-12-05
申请号：US13484926
申请日：2012-05-31
申请人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , Simon Wolfenden Butler , Mark A. Zimmer , Joseph P. Bratt
发明人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , Simon Wolfenden Butler , Mark A. Zimmer , Joseph P. Bratt
IPC分类号： G06K9/40
CPC分类号： G06T1/20 , G06T3/4015
摘要： Systems and methods for processing YCC image data provided. In one example, an electronic device includes memory to store image data in RGB or YCC format and a YCC image processing pipeline to process the image data. The YCC image processing pipeline may include receiving logic configured to receive the image data in RGB or YCC format and color space conversion logic configured to, when the image data is received in RGB format, convert the image data into YCC format. The YCC image processing logic may also include luma sharpening and chroma suppression logic; brightness, contrast, and color adjustment logic; gamma logic; chroma decimation logic; scaling logic; and chromanoise reduction logic.
摘要翻译： 用于处理提供的YCC图像数据的系统和方法。 在一个示例中，电子设备包括以RGB或YCC格式存储图像数据的存储器和用于处理图像数据的YCC图像处理流水线。 YCC图像处理流水线可以包括被配置为接收RGB或YCC格式的图像数据的接收逻辑，以及配置为当以RGB格式接收图像数据时将图像数据转换为YCC格式的颜色空间转换逻辑。 YCC图像处理逻辑还可以包括亮度锐化和色度抑制逻辑; 亮度，对比度和颜色调整逻辑; 伽玛逻辑; 色度抽取逻辑; 缩放逻辑; 和色度降低逻辑。
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公开(公告)号：US11089247B2
公开(公告)日：2021-08-10
申请号：US13485101
申请日：2012-05-31
申请人： Guy Cote , D. Amnon Silverstein , Suk Hwan Lim , Sheng Lin , Haitao Guo
发明人： Guy Cote , D. Amnon Silverstein , Suk Hwan Lim , Sheng Lin , Haitao Guo
摘要： The present disclosure generally relates to systems and methods for image data processing. In certain embodiments, an image processing pipeline may be configured to receive a frame of the image data having a plurality of pixels acquired using a digital image sensor. The image processing pipeline may then be configured to determine a first plurality of correction factors that may correct each pixel in the plurality of pixels for fixed pattern noise. The first plurality of correction factors may be determined based at least in part on fixed pattern noise statistics that correspond to the frame of the image data. After determining the first plurality of correction factors, the image processing pipeline may be configured to configured to apply the first plurality of correction factors to the plurality of pixels, thereby reducing the fixed pattern noise present in the plurality of pixels.
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公开(公告)号：US08872946B2
公开(公告)日：2014-10-28
申请号：US13485056
申请日：2012-05-31
申请人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , David Hayward , Simon Wolfenden Butler , Joseph Anthony Petolino, Jr. , Joseph P. Bratt
发明人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , David Hayward , Simon Wolfenden Butler , Joseph Anthony Petolino, Jr. , Joseph P. Bratt
IPC分类号： H04N5/217
CPC分类号： H04N5/217 , H04N5/2176 , H04N5/357
摘要： Systems and methods for processing raw image data are provided. One example of such a system may include memory to store image data in raw format from a digital imaging device and an image signal processor to process the image data. The image signal processor may include data conversion logic and a raw image processing pipeline. The data conversion logic may convert the image data into a signed format to preserve negative noise from the digital imaging device. The raw image processing pipeline may at least partly process the image data in the signed format. The raw image processing pipeline may also include, among other things, black level compensation logic, fixed pattern noise reduction logic, temporal filtering logic, defective pixel correction logic, spatial noise filtering logic, lens shading correction logic, and highlight recovery logic.
摘要翻译： 提供了处理原始图像数据的系统和方法。 这种系统的一个示例可以包括存储器，以存储来自数字成像设备的原始格式的图像数据和图像信号处理器来处理图像数据。 图像信号处理器可以包括数据转换逻辑和原始图像处理流水线。 数据转换逻辑可以将图像数据转换为带符号格式以保护来自数字成像装置的负噪声。 原始图像处理流水线可以至少部分地以签名格式处理图像数据。 原始图像处理流水线还可以包括黑电平补偿逻辑，固定图案噪声降低逻辑，时间滤波逻辑，缺陷像素校正逻辑，空间噪声滤波逻辑，透镜阴影校正逻辑和高亮恢复逻辑。
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8.发明申请SYSTEMS AND METHODS FOR COLLECTING FIXED PATTERN NOISE STATISTICS OF IMAGE DATA 有权用于收集图像数据的固定图形噪声统计的系统和方法公开(公告)号：US20130321672A1
公开(公告)日：2013-12-05
申请号：US13485124
申请日：2012-05-31
申请人： D. Amnon Silverstein , Sheng Lin , Suk Hwan Lim , Guy Cote , Haitao Guo
发明人： D. Amnon Silverstein , Sheng Lin , Suk Hwan Lim , Guy Cote , Haitao Guo
摘要： The present disclosure generally relates to systems and methods for image data processing. In certain embodiments, an image processing pipeline may collect statistics associated with fixed pattern noise of image data by receiving a first frame of the image data comprising a plurality of pixels. The image processing pipeline may then determine a sum of a first plurality of pixel values that correspond to at least a first portion of the plurality of pixels such that each pixel in at least the first portion of the plurality of pixels is disposed along a first axis within the frame of the image data. After determining the sum of the first plurality of pixel values, the image processing pipeline may store the sum of the first plurality of pixel values in a memory such that the sum of the first plurality of pixel values represent the statistics.
摘要翻译： 本公开通常涉及用于图像数据处理的系统和方法。 在某些实施例中，图像处理流水线可以通过接收包括多个像素的图像数据的第一帧来收集与图像数据的固定模式噪声相关联的统计信息。 然后，图像处理流水线可以确定对应于多个像素的至少第一部分的第一多个像素值的和，使得至少第一部分中的每个像素沿着第一轴设置 在图像数据的帧内。 在确定第一多个像素值的和之后，图像处理流水线可以将第一多个像素值的和存储在存储器中，使得第一多个像素值的和代表统计。
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9.发明授权Systems and methods for collecting fixed pattern noise statistics of image data 有权用于收集图像数据固定模式噪声统计的系统和方法公开(公告)号：US08817120B2
公开(公告)日：2014-08-26
申请号：US13485124
申请日：2012-05-31
申请人： D. Amnon Silverstein , Sheng Lin , Suk Hwan Lim , Guy Cote , Haitao Guo
发明人： D. Amnon Silverstein , Sheng Lin , Suk Hwan Lim , Guy Cote , Haitao Guo
IPC分类号： H04N5/225
摘要： The present disclosure generally relates to systems and methods for image data processing. In certain embodiments, an image processing pipeline may collect statistics associated with fixed pattern noise of image data by receiving a first frame of the image data comprising a plurality of pixels. The image processing pipeline may then determine a sum of a first plurality of pixel values that correspond to at least a first portion of the plurality of pixels such that each pixel in at least the first portion of the plurality of pixels is disposed along a first axis within the frame of the image data. After determining the sum of the first plurality of pixel values, the image processing pipeline may store the sum of the first plurality of pixel values in a memory such that the sum of the first plurality of pixel values represent the statistics.
摘要翻译： 本公开通常涉及用于图像数据处理的系统和方法。 在某些实施例中，图像处理流水线可以通过接收包括多个像素的图像数据的第一帧来收集与图像数据的固定模式噪声相关联的统计信息。 然后，图像处理流水线可以确定对应于多个像素的至少第一部分的第一多个像素值的和，使得至少第一部分中的每个像素沿着第一轴设置 在图像数据的帧内。 在确定第一多个像素值的和之后，图像处理流水线可以将第一多个像素值的和存储在存储器中，使得第一多个像素值的和代表统计。
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公开(公告)号：US20130321677A1
公开(公告)日：2013-12-05
申请号：US13485056
申请日：2012-05-31
申请人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , David Hayward , Simon Wolfenden Butler , Joseph Anthony Petolino, JR. , Joseph P. Bratt
发明人： Guy Cote , Sheng Lin , Suk Hwan Lim , D. Amnon Silverstein , David Hayward , Simon Wolfenden Butler , Joseph Anthony Petolino, JR. , Joseph P. Bratt
IPC分类号： H04N5/217
CPC分类号： H04N5/217 , H04N5/2176 , H04N5/357
摘要： Systems and methods for processing raw image data are provided. One example of such a system may include memory to store image data in raw format from a digital imaging device and an image signal processor to process the image data. The image signal processor may include data conversion logic and a raw image processing pipeline. The data conversion logic may convert the image data into a signed format to preserve negative noise from the digital imaging device. The raw image processing pipeline may at least partly process the image data in the signed format. The raw image processing pipeline may also include, among other things, black level compensation logic, fixed pattern noise reduction logic, temporal filtering logic, defective pixel correction logic, spatial noise filtering logic, lens shading correction logic, and highlight recovery logic.
摘要翻译： 提供了处理原始图像数据的系统和方法。 这种系统的一个示例可以包括存储器，以存储来自数字成像设备的原始格式的图像数据和图像信号处理器来处理图像数据。 图像信号处理器可以包括数据转换逻辑和原始图像处理流水线。 数据转换逻辑可以将图像数据转换为带符号格式以保护来自数字成像装置的负噪声。 原始图像处理流水线可以至少部分地以签名格式处理图像数据。 原始图像处理流水线还可以包括黑电平补偿逻辑，固定图案噪声降低逻辑，时间滤波逻辑，缺陷像素校正逻辑，空间噪声滤波逻辑，透镜阴影校正逻辑和高亮恢复逻辑。
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