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    • 65. 发明授权
    • Method and system for generating a foreground mask for a composite image
    • 用于生成合成图像的前景蒙版的方法和系统
    • US07024054B2
    • 2006-04-04
    • US10256900
    • 2002-09-27
    • Nathan D. CahillKenneth A. ParulskiJiebo LuoEdward B. Gindele
    • Nathan D. CahillKenneth A. ParulskiJiebo LuoEdward B. Gindele
    • G06K9/36
    • G06T5/50G06T7/11G06T7/174G06T7/194G06T2207/30196H04N5/272
    • A technique for producing a foreground mask from a digital image is based on receiving two digital images, wherein a first digital image is derived from a first original scene image including a foreground photographed against a background having arbitrary and unknown content matter, and a second digital image is derived from a second original scene image including substantially the same background but without the foreground. The second digital image is automatically aligned to the first digital image without user intervention to generate an aligned digital image including the background without the foreground. Then, using the first digital image and the aligned digital image, a foreground mask is produced relating to the spatial regions in the first digital image pertaining to the foreground, whereby the foreground mask is subsequently used to generate a composite digital image.
    • 一种用于从数字图像产生前景蒙版的技术是基于接收两个数字图像,其中第一数字图像是从第一原始场景图像导出的,该第一原始场景图像包括针对具有任意和未知内容物质的背景拍摄的前景,以及第二数字图像 图像从包括基本上相同的背景但没有前景的第二原始场景图像导出。 第二数字图像在没有用户干预的情况下自动对准第一数字图像,以产生包括背景而不具有前景的对准的数字图像。 然后,使用第一数字图像和对准的数字图像,产生与属于前景的第一数字图像中的空间区域相关的前景掩模,由此前景掩模随后用于生成复合数字图像。
    • 66. 发明授权
    • Calculating noise from multiple digital images having a common noise source
    • 从具有共同噪声源的多个数字图像中计算噪声
    • US06934421B2
    • 2005-08-23
    • US10102485
    • 2002-03-20
    • Edward B. GindeleNavid SerranoJeffrey C. Snyder
    • Edward B. GindeleNavid SerranoJeffrey C. Snyder
    • G06T1/00G06K9/40G06T5/00G06T5/20H04N1/409
    • G06K9/40G06T5/002G06T5/20H04N1/409
    • A method for estimating a noise characteristic value for a plurality of digital images that are affected by a common noise source includes receiving a plurality of source digital images that are affected by a common noise source, each source digital image including a plurality of pixels; calculating a total number of pixels included in the source digital images; and receiving a predetermined target number of noise estimates to be calculated for the source digital images. The method also includes using the total number of pixels and the predetermined target number of noise estimates to calculate one or more pixel sampling parameters for the source digital images; using the source digital images and the one or more pixel sampling parameters to calculate a predetermined number of noise estimates; and using the noise estimates to calculate a noise characteristic value for the source digital images.
    • 用于估计受共同噪声源影响的多个数字图像的噪声特性值的方法包括:接收受共同噪声源影响的多个源数字图像,每个源数字图像包括多个像素; 计算源数字图像中包括的像素总数; 并接收针对源数字图像计算的预定目标数量的噪声估计值。 该方法还包括使用总数量和预定目标数量的噪声估计来计算源数字图像的一个或多个像素采样参数; 使用源数字图像和一个或多个像素采样参数来计算预定数量的噪声估计; 并使用噪声估计来计算源数字图像的噪声特征值。
    • 69. 发明授权
    • Representing digital images in a plurality of image processing states
    • 代表多个图像处理状态的数字图像
    • US06795585B1
    • 2004-09-21
    • US09354808
    • 1999-07-16
    • Robert J. ParadaEdward B. GindeleAnn L. McCarthyKevin E. Spaulding
    • Robert J. ParadaEdward B. GindeleAnn L. McCarthyKevin E. Spaulding
    • G06K940
    • G06T5/00G06T11/60
    • A method for representing a digital image in a plurality of image processing states using at least one reference digital image and at least one residual image comprising the steps of manipulating an input digital image using at least one digital image processing enhancement step to form at least one additional digital image in a different image processing state; designating at least one of the digital images to be a reference digital image in a reference image processing state; and determining at least one residual image representing differences between one of the reference digital images and one of the additional digital images, whereby the residual image(s) and the reference digital image(s) can be used to form digital image(s) in different image processing states.
    • 一种用于使用至少一个参考数字图像和至少一个残差图像来表示多个图像处理状态中的数字图像的方法,包括以下步骤:使用至少一个数字图像处理增强步骤来操纵输入数字图像,以形成至少一个 附加的数字图像处于不同的图像处理状态; 在参考图像处理状态中将所述数字图像中的至少一个指定为参考数字图像; 以及确定表示所述参考数字图像之一与所述附加数字图像之一之间的差异的至少一个残差图像,由此残留图像和所述参考数字图像可被用于形成数字图像 不同的图像处理状态。