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    • 6. 发明申请
    • Method and device for processing a video signal aimed at compensating for the defects of display devices
    • 用于处理旨在补偿显示装置的缺陷的视频信号的方法和装置
    • US20070052863A1
    • 2007-03-08
    • US11223728
    • 2005-09-08
    • Laurent BlondeDidier DoyenJonathan Kervec
    • Laurent BlondeDidier DoyenJonathan Kervec
    • H04N5/202
    • H04N5/202
    • The invention relates to a method and device for processing video images aimed at compensating for the defects of display devices. According to the invention, the method is characterized in that it comprises the following steps: correction of a video signal by a specific gamma law associated with a first component from among said horizontal and vertical components of said video signal, first video processing acting on said first component of the corrected video signal, application, to the video signal processed, of an intermediate law effecting the transfer from a space which is linear with respect to the first component to a space which is linear with respect to the other of said components, called the second component, second video processing acting on the second component of the video signal emanating from the previous step, and correction of the video signal processed by a specific inverse gamma law associated with the second component.
    • 本发明涉及一种用于处理旨在补偿显示设备缺陷的视频图像的方法和装置。 根据本发明,该方法的特征在于包括以下步骤:通过与所述视频信号的所述水平和垂直分量之间的与第一分量相关联的特定伽马定律对视频信号进行校正,所述第一视频处理作用于所述视频信号 修正后的视频信号的第一分量,应用于影响从相对于第一分量线性的空间到相对于另一个分量线性的空间的转移的中间定律的处理的视频信号, 称为第二分量,作用于从前一步骤发出的视频信号的第二分量的第二视频处理以及由与第二分量相关联的特定反伽马定律处理的视频信号的校正。
    • 8. 发明授权
    • Method and device for processing a video signal aimed at compensating for the defects of display devices
    • 用于处理旨在补偿显示装置的缺陷的视频信号的方法和装置
    • US07511770B2
    • 2009-03-31
    • US11223728
    • 2005-09-08
    • Laurent BlondeDidier DoyenJonathan Kervec
    • Laurent BlondeDidier DoyenJonathan Kervec
    • H04N5/202
    • H04N5/202
    • The invention relates to a method and device for processing video images aimed at compensating for the defects of display devices. According to the invention, the method is characterized in that it comprises the following steps: correction of a video signal by a specific gamma law associated with a first component from among said horizontal and vertical components of said video signal, first video processing acting on said first component of the corrected video signal, application, to the video signal processed, of an intermediate law effecting the transfer from a space which is linear with respect to the first component to a space which is linear with respect to the other of said components, called the second component, second video processing acting on the second component of the video signal emanating from the previous step, and correction of the video signal processed by a specific inverse gamma law associated with the second component.
    • 本发明涉及一种用于处理旨在补偿显示设备缺陷的视频图像的方法和装置。 根据本发明,该方法的特征在于包括以下步骤:通过与所述视频信号的所述水平和垂直分量之间的与第一分量相关联的特定伽马定律对视频信号进行校正,所述第一视频处理作用于所述视频信号 修正后的视频信号的第一分量,应用于影响从相对于第一分量线性的空间到相对于另一个分量线性的空间的转移的中间定律的处理的视频信号, 称为第二分量,作用于从前一步骤发出的视频信号的第二分量的第二视频处理以及由与第二分量相关联的特定反伽马定律处理的视频信号的校正。
    • 9. 发明申请
    • Image display device and method
    • 图像显示装置及方法
    • US20070013770A1
    • 2007-01-18
    • US11449317
    • 2006-06-08
    • Jonathan KervecLaurent BlondeDidier Doyen
    • Jonathan KervecLaurent BlondeDidier Doyen
    • H04N13/04
    • H04N5/913H04N9/31H04N2005/91392
    • The present invention relates to a device and a method for displaying images. To combat the copying of images by a camcorder in a cinema auditorium, modulating the luminance of the pixels of a pattern around the value to be displayed to a high frequency which makes the pattern invisible to the human eye but which generates artefacts on the sequence filmed by the camcorder is known. According to the invention, it is proposed to temporally modulate the pattern only in the fixed areas (background or indoor scenes) or, where appropriate, the areas with weak movements. Thus, rather than degrading the image in the areas with movement by applying to them the temporal modulation processing, a decision is taken not to temporally modulate the pattern in these critical areas.
    • 本发明涉及一种用于显示图像的装置和方法。 为了对抗摄像机在电影放映厅中复制图像,将要显示的值周围的图案的像素的亮度调制到高频,使得图案对人眼不可见,但是在拍摄的顺序上产生伪影 由摄像机知道。 根据本发明,提出仅在固定区域(背景或室内场景)或适当的情况下对运动较弱的区域进行时间调制模式。 因此,不是通过向他们施加时间调制处理来降低具有移动的区域中的图像,而是决定不在时间上调制这些关键区域中的图案。