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    • 1. 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。
    • 2. 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。
    • 3. 发明授权
    • Bayer reconstruction of images using a GPU
    • 使用GPU对拜耳重建图像
    • US08452090B1
    • 2013-05-28
    • US11113656
    • 2005-04-25
    • Ralph BrunnerMark ZimmerKok Chen
    • Ralph BrunnerMark ZimmerKok Chen
    • G06K9/00
    • G06K9/00G06T3/4015H04N1/46H04N9/00H04N9/045H04N2209/046
    • A system and method for performing Bayer reconstruction of images using a programmable graphics processing unit (GPU) are described herein. A Bayer filtered image in RAW format is uploaded to the GPU, unpacked, and reconstructed. Optionally, the reconstructed image may be transformed into any desired color space and/or displayed by a video card in which the GPU resides. The reconstruction is performed independently on each of the red, blue, and green image fields. The red and blue image fields are reconstructed using first and second interpolation passes in first and second orthogonal directions. Each reconstruction pass preferably employs a two-lobed Lanczos filter. The green image field is interpolated using a single interpolation pass in a direction diagonal to the first and second orthogonal directions, and preferably employs a box filter.
    • 本文描述了使用可编程图形处理单元(GPU)执行图像的拜耳重建的系统和方法。 以RAW格式将拜耳过滤的图像上传到GPU,解压缩并重建。 可选地,重建图像可以被转换成任何期望的颜色空间和/或由GPU所在的视频卡显示。 在红色,蓝色和绿色图像场中的每一个上独立地执行重建。 使用第一和第二正交方向上的第一和第二插值遍重建红色和蓝色图像场。 每个重建通道优选采用双裂片Lanczos滤波器。 绿色图像场在与第一和第二正交方向对角的方向上使用单个插值遍进进行内插,并且优选地采用盒式滤波器。
    • 5. 发明授权
    • Chroma noise reduction for cameras
    • 相机色度降噪
    • US08284271B2
    • 2012-10-09
    • US12479592
    • 2009-06-05
    • Mark ZimmerRalph BrunnerDavid Hayward
    • Mark ZimmerRalph BrunnerDavid Hayward
    • H04N9/73H04N9/64
    • H04N9/646G06T5/002G06T5/20G06T2207/10024G06T2207/20192
    • A system, apparatus, computer readable medium, and method for noise reduction in image capturing devices involving an edge-preserving blur window is disclosed. In one embodiment, the edge-preserving blur includes only those pixels in the blur window that are visually close to the blur window's current center pixel in its blurring calculation. Limiting the pixels considered in the blur to those that are visually close to the center pixel ensures that the image's colors are not blurred along color edges within the image. Light-product information taken from the image's metadata, for example, the camera sensor's gain level, may be used to adjust the blur filter 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装置中的用于降噪的系统,装置,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模糊窗口中在其模糊计算中在视觉上接近模糊窗口当前中心像素的那些像素。 将模糊中考虑的像素限制在视觉上靠近中心像素的像素上,确保图像的颜色不会沿着图像中的颜色边缘模糊。 从图像的元数据获得的光产品信息,例如摄像机传感器的增益水平,可以用于动态地调整模糊滤波器参数。 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。
    • 9. 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。