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    • 19. 发明授权
    • Sharing editable ink annotated images with annotation-unaware applications
    • 共享可编辑墨水注释的图像与注释不知道的应用程序
    • US07975215B2
    • 2011-07-05
    • US11748265
    • 2007-05-14
    • Richard J. DuncanDavid B. PerryWeerapan WilairatGavin M. GearRichard L. Spencer
    • Richard J. DuncanDavid B. PerryWeerapan WilairatGavin M. GearRichard L. Spencer
    • G06F17/00
    • G06F17/241G06T11/60
    • Data associated with pixels obscured by annotations in an annotated image is stored using an annotation mask enabling annotation-aware applications to reconstruct the original image, while annotation-unaware applications can display the annotated image with optimized increase in extra data to be stored. The annotation mask, same size as the image, is initialized to a monochrome default and the color depth information for obscured pixels saved within the annotation mask. Because a majority area of the annotation mask is monochrome, it compresses well and the obscured image content can be saved in a side channel, metadata header, or a separate file. During reconstruction, changes to annotated image such as rotation, size change, and the like, may be detected and accounted for when obscured image content is carried over to the annotated image for reconstruction.
    • 与注释图像中的注释隐藏的像素相关联的数据使用注释掩码存储,使注释感知应用程序可以重建原始图像,而注释不知情的应用程序可以通过优化增加要存储的额外数据来显示注释图像。 与图像尺寸相同的注释掩模被初始化为单色默认值,并且保留在注释掩码内的遮蔽像素的颜色深度信息。 由于注释掩码的多数区域是单色的,因此压缩效果好,遮挡的图像内容可以保存在边通道,元数据标题或单独的文件中。 在重建期间,当被遮蔽的图像内容被转移到用于重建的注释图像时,可以检测到注释图像的改变,例如旋转,尺寸变化等。