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    • 51. 发明授权
    • Halftone screening and bitmap based encoding of information in images
    • 半色调筛选和基于位图的图像信息编码
    • US08363282B2
    • 2013-01-29
    • US10698899
    • 2003-10-31
    • Niranjan Damera-Venkata
    • Niranjan Damera-Venkata
    • H04N1/40G06K9/00
    • G06T1/0028G06T2201/0051G06T2201/0061G06T2201/0083G06T2201/0202
    • A method of processing a continuous tone image includes using a halftone screen to generate a bi-level bitmap; partitioning the contone image into an array of image blocks; halftoning the image blocks; using the bi-level bitmap to select some of the halftone image blocks; and modifying the selected halftone image blocks using code words, such that information contained in the code words is embedded in a halftone image. A method of extracting embedded information in a halftone image includes accessing a bi-level bit map; partitioning the halftone image into a plurality of image blocks; using the bitmap to select at least some of the blocks; identifying a code word sequence in the selected blocks; and extracting the information from the code word sequence.
    • 处理连续色调图像的方法包括使用半色调屏幕来生成双层位图; 将连续图像分割成图像块阵列; 半色调图像块; 使用双级位图选择一些半色调图像块; 以及使用代码字修改所选择的半色调图像块,使得包含在代码字中的信息嵌入在半色调图像中。 一种在半色调图像中提取嵌入信息的方法包括访问双电平位图; 将半色调图像分割成多个图像块; 使用位图至少选择一些块; 识别所选块中的码字序列; 并从码字序列中提取信息。
    • 52. 发明申请
    • Incremental Graphic Object Layout Editing
    • 增量图形对象布局编辑
    • US20120290925A1
    • 2012-11-15
    • US13511832
    • 2010-01-29
    • Clayton Brian AtkinsNiranjan Damera-VenkataEamonn O'brien-StrainNina Bhatti
    • Clayton Brian AtkinsNiranjan Damera-VenkataEamonn O'brien-StrainNina Bhatti
    • G06F17/00
    • H04N21/4312G06F9/451
    • A method for incremental graphic object layout editing performed by physical computing system (100) includes associating an initial layout (300) of graphic objects (302) with a data structure; generating a screen map (304) associated with the initial layout (300), the screen map (304) comprising at least one region (306) associated with at least one of the graphic objects (302) from the initial layout (300), the region (306) comprising a number of sub-regions (308, 310) for each graphic object associated with the region (306); providing to a user (112) a cursor (412) allowing the user (112) to indicate a selected region; updating the data structure in response to an editing action based in part on the selected region and a position of the cursor (412) relative to one of the sub-regions (308, 310), the graphic objects not related to the editing action maintaining their relative positions within the data structure; and rearranging the initial layout (300) and the screen map (304) according to the updated data structure.
    • 由物理计算系统(100)执行的用于增量图形对象布局编辑的方法包括将图形对象(302)的初始布局(300)与数据结构相关联; 生成与所述初始布局(300)相关联的屏幕图(304),所述屏幕图(304)包括与所述初始布局(300)中的至少一个所述图形对象(302)相关联的至少一个区域(306) 所述区域(306)包括用于与所述区域(306)相关联的每个图形对象的多个子区域(308,310); 向用户(112)提供允许所述用户(112)指示所选区域的光标(412); 响应于部分地基于所选择的区域的编辑动作和相对于子区域(308,310)之一的光标(412)的位置来更新数据结构,与编辑动作维持不相关的图形对象 他们在数据结构中的相对位置; 以及根据更新的数据结构重新排列初始布局(300)和屏幕图(304)。
    • 55. 发明授权
    • Image display system and method
    • 图像显示系统及方法
    • US07522177B2
    • 2009-04-21
    • US10931923
    • 2004-09-01
    • Niranjan Damera-Venkata
    • Niranjan Damera-Venkata
    • G09G5/02G09G5/10
    • H04N7/01G09G3/007G09G3/20G09G2310/0224G09G2340/0407
    • A method of displaying an image is provided. The method comprises receiving interlaced image data for the image where the interlaced data comprises a first field and a second field, generating a first sub-frame and a second sub-frame for the image using the first field, generating a third sub-frame and a fourth sub-frame for the image using the second field, and alternating between displaying the first sub-frame in a first position at a first time, displaying the second sub-frame in a second position horizontally offset from the first position at a second time that is subsequent to the first time, displaying the third sub-frame in a third position vertically offset from the first position at a third time that is subsequent to the second time, and displaying the fourth sub-frame in a fourth position horizontally and vertically offset from the first position at a fourth time that is subsequent to the second time.
    • 提供了一种显示图像的方法。 该方法包括接收图像的隔行图像数据,其中隔行数据包括第一场和第二场,使用第一场产生图像的第一子帧和第二子帧,产生第三子帧,以及 用于使用第二场的图像的第四子帧,并且在第一时间在第一位置显示第一子帧之间交替,在第二位置处将第二子帧显示在与第一位置水平偏移的第二位置 在第一时间之后的第三时间,在第二时间之后的第三时间将第三子帧显示在与第一位置垂直偏移的第三位置,并且将第四子帧水平地显示在第四位置, 在第二次之后的第四时间从第一位置垂直偏移。