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    • 8. 发明申请
    • Automatic Dust Removal In Digital Images
    • 数字图像中自动除尘
    • US20100303380A1
    • 2010-12-02
    • US12476514
    • 2009-06-02
    • Denis DemandolxEric Paul BennettAntonio CriminisiValadimir FarbmanSteven James White
    • Denis DemandolxEric Paul BennettAntonio CriminisiValadimir FarbmanSteven James White
    • G06K9/40
    • H04N5/3572H04N5/367H04N9/045
    • Methods and a processing device are provided for restoring pixels damaged by artifacts caused by dust, or other particles, entering a digital image capturing device. A user interface may be provided for a user to indicate an approximate location of an artifact appearing in a digital image. Dust attenuation may be estimated and an inverse transformation, based on the estimated dust attenuation, may be applied to damaged pixels in order to recover an estimate of the underlying digital image. One or many candidate source patch may be selected based on having smallest pixel distances, with respect to a target patch area. The damaged pixels included in the target patch area may be considered when calculating the pixel distance with respect to candidate source patches. RGB values of corresponding pixels of source patches may be used to restore the damaged pixels included in the target patch area.
    • 提供了方法和处理装置,用于恢复由于灰尘或其他颗粒引起的伪影所损坏的像素进入数字图像捕获装置。 可以为用户提供用户界面来指示出现在数字图像中的人造物的大致位置。 可以估计灰尘衰减,并且可以将基于估计的灰尘衰减的逆变换应用于损坏的像素,以便恢复底层数字图像的估计。 可以基于相对于目标贴片区域具有最小像素距离来选择一个或多个候选源贴片。 当计算相对于候选源贴片的像素距离时,可以考虑包括在目标贴片区域中的损伤像素。 可以使用源贴片的相应像素的RGB值来恢复包括在目标贴片区域中的损伤像素。