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    • 1. 发明授权
    • System and method for computing a desktop picture
    • 用于计算桌面图片的系统和方法
    • US08793576B2
    • 2014-07-29
    • US11251215
    • 2005-10-14
    • Mark ZimmerRalph BrunnerImran Chaudhri
    • Mark ZimmerRalph BrunnerImran Chaudhri
    • G06F3/00G06F17/00G06F3/048
    • G09G5/363G06F9/451G06T1/20G06T11/001G09G5/14
    • Disclosed are a system and method for computing a desktop picture. Instead of loading a file that contains the desktop image from memory, the present invention provides for a system and method for opening and retaining a procedural recipe and a small set of instructions that can be executed to compute a desktop picture. The desktop picture can be computed very quickly using a GPU (graphics processing unit), and can be made to move on demand. When a part of the desktop image is needed to composite, that part is computed using a fragment program on the GPU using the procedural recipe and a specially written fragment program into a temporary VRAM buffer. After it is computed and composited, the buffer containing the result of the fragment program may be discarded.
    • 公开了一种用于计算桌面图片的系统和方法。 本发明不是从存储器加载包含桌面图像的文件,而是提供用于打开和保留程序配方的系统和方法以及可以执行以计算桌面图片的一小组指令。 可以使用GPU(图形处理单元)非常快速地计算桌面图像,并且可以根据需要进行移动。 当桌面图像的一部分需要复合时,该部分使用程序配方的GPU上的片段程序和特殊写入的片段程序计算到临时VRAM缓冲区中。 在计算和合成之后,可能会丢弃包含片段程序结果的缓冲区。
    • 2. 发明申请
    • System and method for computing a desktop picture
    • 用于计算桌面图片的系统和方法
    • US20070085854A1
    • 2007-04-19
    • US11251215
    • 2005-10-14
    • Mark ZimmerRalph BrunnerImran Chaudhri
    • Mark ZimmerRalph BrunnerImran Chaudhri
    • G09G5/00
    • G09G5/363G06F9/451G06T1/20G06T11/001G09G5/14
    • Disclosed are a system and method for computing a desktop picture. Instead of loading a file that contains the desktop image from memory, the present invention provides for a system and method for opening and retaining a procedural recipe and a small set of instructions that can be executed to compute a desktop picture. The desktop picture can be computed very quickly using a GPU (graphics processing unit), and can be made to move on demand. When a part of the desktop image is needed to composite, that part is computed using a fragment program on the GPU using the procedural recipe and a specially written fragment program into a temporary VRAM buffer. After it is computed and composited, the buffer containing the result of the fragment program may be discarded.
    • 公开了一种用于计算桌面图片的系统和方法。 本发明不是从存储器加载包含桌面图像的文件,而是提供用于打开和保留程序配方的系统和方法以及可以执行以计算桌面图片的一小组指令。 可以使用GPU(图形处理单元)非常快速地计算桌面图像,并且可以根据需要进行移动。 当桌面图像的一部分需要复合时,该部分使用程序配方的GPU上的片段程序和特殊写入的片段程序计算到临时VRAM缓冲区中。 在计算和合成之后,可能会丢弃包含片段程序结果的缓冲区。
    • 3. 发明授权
    • Skin tone aware color boost for cameras
    • 相机的肤色感觉色彩提升
    • US08311355B2
    • 2012-11-13
    • US12479651
    • 2009-06-05
    • Ralph BrunnerMark Zimmer
    • Ralph BrunnerMark Zimmer
    • G06K9/40G06K9/00
    • H04N9/68G06T5/008G06T2207/10024G06T2207/20012G06T2207/30201H04N9/643
    • Increasing color saturation and contrast in images generally leads to more pleasing images; however, doing so uniformly to all colors in the image can make skin tones appear with an overly red tint. One embodiment of an improved method of skin tone aware color boosting identifies areas of the image which look like skin tones and areas that do not look like skin tones. A blurred “skin tone mask” can then be created over the image. One large boost operation and one small boost operation can be applied to the image. A final version of the image may then be created, applying the pixel values resulting from the small boosting operation to the skin tone regions and applying the pixel values resulting from the large boosting operation to the non-skin tone regions, using the blurred mask to provide a smooth transition between the skin tone and non-skin tone regions.
    • 增加图像中的色彩饱和度和对比度通常会导致更令人愉快的图像; 然而,对图像中的所有颜色均匀地进行,可以使皮肤色调出现过度的红色色调。 一种改进的肤色感觉色彩增强方法的一个实施例识别看起来像皮肤色调的图像区域和看起来不像肤色的区域。 然后可以在图像上创建一个模糊的肤色蒙版。 可以对图像应用一个大的升压操作和一个小的升压操作。 然后可以创建图像的最终版本,将由小增强操作产生的像素值应用于肤色区域,并且使用模糊掩码将来自大增强操作的像素值应用于非肤色区域 提供肤色和非肤色区域之间的平滑过渡。
    • 6. 发明申请
    • Radially-Based Chroma Noise Reduction for Cameras
    • 基于径向色度降噪的相机
    • US20100309345A1
    • 2010-12-09
    • US12755574
    • 2010-04-07
    • Mark ZimmerRalph BrunnerDavid Hayward
    • Mark ZimmerRalph BrunnerDavid Hayward
    • H04N9/64G06K9/00
    • H04N9/646G06T5/002G06T5/009H04N5/3572H04N9/045
    • A system, apparatus, computer readable medium, and method for radially-dependent noise reduction in image capturing devices involving an edge-preserving blur window are disclosed. In one embodiment, the edge-preserving blur includes only those pixels in the blur window that are within a threshold value of the blur window's current center pixel in its blurring calculation. By creating a threshold function that varies radially from the center of the image sensor's light intensity falloff function, a more appropriate threshold value can be chosen for each pixel, allowing for more noise farther from the center of the image, and allowing for less noise closer to the center of the image. Light-product information taken from the image's metadata may be used to scale the threshold value parameters dynamically. This allows the method to perform the appropriate amount of processing depending on the lighting situation of the image that is currently being processed.
    • 公开了一种用于涉及边缘保持模糊窗口的图像捕获设备中用于径向依赖性降噪的系统,设备,计算机可读介质和方法。 在一个实施例中,边缘保留模糊仅包括在其模糊计算中在模糊窗口当前中心像素的阈值内的模糊窗口中的那些像素。 通过创建从图像传感器的光强度衰减功能的中心径向变化的阈值函数,可以为每个像素选择更合适的阈值,允许更多的噪声离图像中心更远,并允许更少的噪声更接近 到图像的中心。 可以使用从图像的元数据获得的光产品信息来动态地缩放阈值参数。 这允许该方法根据当前正在处理的图像的照明情况来执行适当的处​​理量。
    • 8. 发明授权
    • Automatic tone mapping for cameras
    • 相机自动色调映射
    • US08358351B2
    • 2013-01-22
    • US12479629
    • 2009-06-05
    • Ralph BrunnerMark ZimmerGuy Cote
    • Ralph BrunnerMark ZimmerGuy Cote
    • H04N5/228H04N5/202
    • H04N5/202
    • A device, method, computer useable medium, and processor programmed to automatically generate tone mapping curves in a digital camera based on image metadata are described. By examining image metadata from a digital camera's sensor, such as the light-product, one can detect sun-lit, high-light, and low-light scenes. Once the light-product value has been calculated for a given image, a tone mapping curve can automatically be generated within the sensor and adjusted appropriately for the scene based on predetermined parameters. Further, it has been determined that independently varying the slopes of the tone mapping curve at the low end (S0) and high end (S1) of the curve results in more visually appealing images. By dynamically and independently selecting S0 and S1 values based on image metadata, more visually pleasing images can be generated.
    • 描述了基于图像元数据在数字照相机中自动生成色调映射曲线的设备,方法,计算机可用介质和处理器。 通过从数码相机的传感器(如光产品)中检查图像元数据,可以检测到日光,高光和低光的场景。 一旦为给定图像计算了光产品值,就可以在传感器内自动生成色调映射曲线,并根据预定参数对场景进行适当调整。 此外,已经确定,在曲线的低端(S0)和高端(S1)处独立地改变色调映射曲线的斜率导致更加视觉吸引人的图像。 通过基于图像元数据动态地且独立地选择S0和S1值,可以产生更令人满意的图像。
    • 9. 发明授权
    • Radially-based chroma noise reduction for cameras
    • 照相机基于径向色度降噪
    • US08274583B2
    • 2012-09-25
    • US12755574
    • 2010-04-07
    • Mark ZimmerRalph BrunnerDavid Hayward
    • Mark ZimmerRalph BrunnerDavid Hayward
    • H04N9/64H04N5/217G06K9/40
    • H04N9/646G06T5/002G06T5/009H04N5/3572H04N9/045
    • A system, apparatus, computer readable medium, and method for radially-dependent noise reduction in image capturing devices involving an edge-preserving blur window are disclosed. In one embodiment, the edge-preserving blur includes only those pixels in the blur window that are within a threshold value of the blur window's current center pixel in its blurring calculation. By creating a threshold function that varies radially from the center of the image sensor's light intensity falloff function, a more appropriate threshold value can be chosen for each pixel, allowing for more noise farther from the center of the image, and allowing for less noise closer to the center of the image. Light-product information taken from the image's metadata may be used to scale the threshold value parameters dynamically. This allows the method to perform the appropriate amount of processing depending on the lighting situation of the image that is currently being processed.
    • 公开了一种用于涉及边缘保持模糊窗口的图像捕获设备中用于径向依赖性降噪的系统,设备,计算机可读介质和方法。 在一个实施例中,边缘保留模糊仅包括在其模糊计算中在模糊窗口当前中心像素的阈值内的模糊窗口中的那些像素。 通过创建从图像传感器的光强度衰减功能的中心径向变化的阈值函数,可以为每个像素选择更合适的阈值,允许更多的噪声离图像中心更远,并允许更少的噪声更接近 到图像的中心。 可以使用从图像的元数据获得的光产品信息来动态地缩放阈值参数。 这允许该方法根据当前正在处理的图像的照明情况来执行适当的处​​理量。