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    • 3. 发明申请
    • Method and apparatus for determining the vertices of a character in a two-dimensional barcode symbol
    • 用于确定二维条形码符号中的角色的顶点的方法和装置
    • US20060043189A1
    • 2006-03-02
    • US10930596
    • 2004-08-31
    • Sachin AgrawalDerek KwokMohanaraj ThiyagarajahIan Clarke
    • Sachin AgrawalDerek KwokMohanaraj ThiyagarajahIan Clarke
    • G06K7/10
    • G06K7/14
    • A method of determining the vertices of a character in a two-dimensional barcode symbol image includes tracing a contour around a character. The contour is examined and pixels therealong believed to be vertices of the character are determined. The relative positions of the determined pixels are compared to determine if they satisfy a threshold. If the relative positions of the determined pixels satisfy the threshold, the determined pixels are designated as the vertices of the character. If the relative positions of the determined pixels satisfy the threshold, the determined pixels are designated as the vertices of the character. If the relative positions of the determined pixels do not satisfy the threshold, new pixels along the contour are selected using geometric relationships between the determined pixels to replace determined pixels that are not vertices of the character.
    • 确定二维条形码符号图像中的角色的顶点的方法包括在字符周围追踪轮廓。 检查轮廓,并确定被认为是角色的顶点的像素。 比较确定的像素的相对位置以确定它们是否满足阈值。 如果所确定的像素的相对位置满足阈值,则将所确定的像素指定为角色的顶点。 如果所确定的像素的相对位置满足阈值,则将所确定的像素指定为角色的顶点。 如果确定的像素的相对位置不满足阈值,则使用确定的像素之间的几何关系来选择沿着轮廓的新像素,以替换不是字符顶点的确定像素。
    • 10. 发明授权
    • System and method of editing a digital image to remove unwanted artifacts, objects and the like
    • 编辑数字图像以去除不想要的伪像,对象等的系统和方法
    • US07260273B2
    • 2007-08-21
    • US10637344
    • 2003-08-08
    • Graham SellersSachin Agrawal
    • Graham SellersSachin Agrawal
    • G06K9/36G09G5/00
    • G06T11/001
    • A system and method of editing a digital image to remove an unwanted object includes designating a rectangular region of the digital image including a subset of pixels within the digital image that includes the object to be removed. A band of pixels adjacent one major side of the rectangular region is selected and a mirror of the selected band of pixels is copied in a repeating pattern to define a first matrix corresponding in size to the designated region. A band of pixels adjacent the opposite major side of the rectangular region is then selected and a mirror of the selected band of pixels is copied in a repeating pattern to define a second pixel matrix corresponding in size to the designated region. The pixels of the first and second matrices are blended according to a first blending equation to create an initial texture. A band of pixels adjacent one minor side of the rectangular region is then selected and a mirror of the selected band of pixels is blended with a band pixels of similar width in the initial texture that extends along the one minor side. A band of pixels adjacent the other minor side of the rectangular region is then selected and a mirror of the selected band of pixels is blended with a band of pixels of similar width in the initial texture that extends along the other minor side thereby to complete the texture. The pixels within the designated region are replaced with the texture thereby to remove the object from the digital image.
    • 编辑数字图像以去除不想要的对象的系统和方法包括指定数字图像的矩形区域,其包括数字图像内包括要移除的对象的像素的子集。 选择与矩形区域的一个主侧相邻的像素带,并且以重复图案复制所选择的像素带的镜像,以定义尺寸对应于指定区域的第一矩阵。 然后选择与矩形区域的相对主侧相邻的像素带,并且以重复图案复制所选择的像素带的镜像,以限定尺寸对应于指定区域的第二像素矩阵。 根据第一混合方程将第一和第二矩阵的像素混合以产生初始纹理。 然后选择与矩形区域的一个次侧相邻的像素带,并且将所选择的像素带的镜像与沿着一个较小侧延伸的初始纹理中的相似宽度的带状像素混合。 然后选择与矩形区域的另一个次侧相邻的像素带,并且将所选择的像素带的反射镜与沿着另一个较小侧延伸的初始纹理中的相似宽度的像素带混合,从而完成 质地。 指定区域内的像素被纹理所取代,从而从数字图像中去除对象。