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    • 10. 发明公开
    • IMAGE DISPLAY METHOD AND IMAGE DISPLAY PROCESSOR
    • VERFAHREN UND VERARBEITUNGSEINHEIT ZUM ANZEIGEN VON BILDERN
    • EP1487201A1
    • 2004-12-15
    • EP04707637.7
    • 2004-02-03
    • Sony Corporation
    • MIHOTA, Norihito, c/o Sony Corporation
    • H04N5/66
    • H04N21/41415H04N5/74H04N5/913H04N21/4122H04N21/8352H04N2005/91385H04N2005/91392
    • It is directly and indirectly prevented that a literary work such as a cinema or a video image displayed on a display apparatus such as a theater screen or a display unit is picked up illegally by an image pickup apparatus such as a video camera and distributed. One or a plurality of changeover modes from among changeover of the frame rate, changeover of the scanning direction, changeover of the luminance, changeover of the scanning phase, changeover of the scanning pattern, changeover of the time position of scanning, and changeover of the scanning interval are performed as changeover of a display operation condition so that a stripe pattern or the like is produced on a re-picked up image to deteriorate the image quality. The changeover of the display operation condition is performed based on the value of the operation condition control information. The operation condition control information is information regarding an image itself, an image display apparatus, an image display establishment, the date and hour of image display, image management or the like such that the operation condition control information can be extracted from the re-picked up image to take a countermeasure for prevention of image re-pickup.
    • 直接和间接地防止诸如影院或显示单元等显示装置上显示的电影或视频图像等文学作品被诸如摄像机的图像拾取装置非法地拾取并分发。 从帧速率的切换,扫描方向的切换,亮度的切换,扫描相位的切换,扫描图案的切换,扫描的时间位置的切换以及切换的切换模式中的一个或多个切换模式 执行扫描间隔作为切换显示操作条件,使得在重新拾取的图像上产生条纹图案等,从而使图像质量恶化。 基于操作条件控制信息的值来执行显示操作条件的切换。 操作条件控制信息是关于图像本身,图像显示装置,图像显示设置,图像显示的日期和时间,图像管理等的信息,使得可以从重新拾取的操作条件控制信息中提取操作条件控制信息 以采取预防图像重新拾取的对策。