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    • 71. 发明公开
    • Video processing apparatus
    • Videoverarbeitungsvorrichtung
    • EP2285124A2
    • 2011-02-16
    • EP10172101.7
    • 2010-08-06
    • Panasonic Corporation
    • Noritake, Toshiya
    • H04N9/76H04N5/445
    • H04N9/76G06F3/14G09G5/12G09G5/377G09G2340/0428G09G2340/125H04N7/012H04N9/8233H04N21/42646H04N21/4325H04N21/4884
    • Even when an OSD video signal is superimposed on a video signal, deterioration in the frequency characteristic or in gradation of the video or OSD video signal superimposed on it is minimized. A graphic image is represented by a video signal that provides color information and degree of transparency information on a pixel basis. The video processor includes: a filtering section, which receives and converts a 4:2:0 format video signal representing the video into a 4:2:2 or 4:4:4 format video signal; a decision section, which determines, by reference to the transparency information, whether the graphic image be superimposed on the video; a synthesizing section, which superimposes a color difference signal representing the graphic image on that of the video signal converted by the filtering section; and a scaling section for performing scaling on the synthetic color difference signal. Depending on the decision result, the filtering and scaling sections change between a mode of processing to retain pixel data and location information of the color difference signal of the 4:2:0 format video signal and another mode of processing to retain not to retain the pixel data and location information.
    • 即使OSD视频信号叠加在视频信号上,也可以使叠加在其上的视频或OSD视频信号的频率特性或灰度的劣化最小化。 图形图像由以像素为基础提供颜色信息和透明度信息度的视频信号表示。 视频处理器包括:滤波部分,其将表示视频的4:2:0格式视频信号接收并转换为4:2:2或4:4:4格式的视频信号; 确定部分,其通过参考透明度信息来确定图形图像是否叠加在视频上; 合成部分,其将表示图形图像的色差信号与由滤波部分转换的视频信号的色差信号叠加; 以及用于对合成色差信号执行缩放的缩放部分。 根据决策结果,滤波和缩放部分在保持像素数据的处理模式和4:2:0格式视频信号的色差信号的位置信息和另一种处理模式之间改变,以保持不保留 像素数据和位置信息。
    • 76. 发明公开
    • Video display control apparatus and method
    • Vorrichtung und Verfahren zur Steuerung eines Anzeigesystems
    • EP1631078A2
    • 2006-03-01
    • EP05255235.3
    • 2005-08-25
    • Samsung Electronics Co., Ltd.
    • Jeong, Young-hoon 234-1204 Hwanggol Mauel
    • H04N5/445
    • G06F3/1431G09G5/397G09G2340/02G09G2340/10G09G2340/12H04N5/44504H04N9/76H04N21/41407H04N21/42653
    • Provided are a video display control apparatus and a video display control method. A video display control apparatus, including a data storage (510) storing graphic/control integrated data (700) including control information (710) used to display graphic data (720) to be combined with video data and the video data (511); and a controller (520) combining the video data (511) and the graphic data (720) referring to the graphic/control integrated data (700) and transmitting the combined data to more than one display device. As described above, the transmission capacity of video data (511), OSD data, and graphic data (720) for a variety of display devices is reduced, thereby lowering the bus proportion. As a whole, the power consumption required by a system is reduced, thereby realizing to be suitable for a mobile device.
    • 提供了一种视频显示控制装置和视频显示控制方法。 一种视频显示控制装置,包括存储图形/控制集成数据(700)的数据存储(510),包括用于显示要与视频数据组合的图形数据(720)和视频数据(511)的控制信息(710)。 以及控制器(520),参考图形/控制集成数据(700)组合视频数据(511)和图形数据(720),并将组合的数据发送到多于一个的显示设备。 如上所述,用于各种显示装置的视频数据(511),OSD数据和图形数据(720)的传输容量减少,从而降低总线比例。 总的来说,系统所需的功耗降低,从而实现适合于移动设备。
    • 80. 发明公开
    • Image processing apparatus
    • Bildverarbeitungseinrichtung。
    • EP0088583A1
    • 1983-09-14
    • EP83301094.5
    • 1983-03-01
    • SONY CORPORATION
    • Nagumo, Fumio
    • H04N5/20H04N9/76
    • H04N9/69H04N5/202H04N9/76
    • There is disclosed an apparatus for processing image signals. This apparatus transduces the image signals from the image sensors in accordance with the non-linear input-output characteristics and outputs the signals thus transduced, In this apparatus, the various tone wedge transducing characteristics can be performed in addition to the tone wedge correction such as the ordinary gamma correction. RAMs and a microcomputer are provided to perform these processings. This apparatus has the functions as the chroma-key signal generator and the special effect producing apparatus. Thus, the gradation and the color in the designated area in the screen can be made different from those in the other area. The two-dimensional information such as characteristics and figures, or the like can be mixed or superimposed on the picture in the screen.
    • 公开了一种用于处理图像信号的装置。 该装置根据非线性输入 - 输出特性从图像传感器传送图像信号,并输出如此转换的信号。 在该装置中,除了通常的伽马校正之类的色调校正以外,还可以进行各种色调转换特性。 提供RAM和微计算机来执行这些处理。 该装置具有色键信号发生器和特效生成装置的功能。 因此,可以使屏幕中的指定区域中的灰度和颜色与其他区域中的不同。 诸如特征和图形等的二维信息可以混合或叠加在屏幕上的图片上。