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    • 1. 发明申请
    • VIDEO COMPRESSION ENCODER
    • 视频压缩编码器
    • US20130266062A1
    • 2013-10-10
    • US13908647
    • 2013-06-03
    • William A. Dambrackas
    • William A. Dambrackas
    • H04N7/26
    • H04N19/20G09G2370/24H04N19/105H04N19/182H04N19/426H04N19/507H04N19/593H04N19/93
    • A video compression system is disclosed that is optimized to take advantage of the types of redundancies typically occurring on computer screens and the types of video loss acceptable to real time interactive computer users. It automatically adapts to a wide variety of changing network bandwidth conditions and can accommodate any video resolution and an unlimited number of colors. The disclosed video compression encoder can be implemented with either hardware or software and it compresses the source video into a series of data packets that are a fixed length of 8 bits or more. Sequences of one or more of these packets create unique encoding “commands” that can be sent over any network and easily decoded (decompressed) with either software or hardware. The commands include 3 dimensional copying (horizontal, vertical and time) and unique efficiencies for screen segments that are comprised of only two colors (such as text). Embodiments are also disclosed that improve the video compression depending on the popularity of pixel colors.
    • 公开了一种视频压缩系统,其被优化以利用通常发生在计算机屏幕上的冗余类型以及实时交互式计算机用户可接受的视频丢失的类型。 它可以自动适应各种不断变化的网络带宽条件,并可以适应任何视频分辨率和无限数量的颜色。 所公开的视频压缩编码器可以用硬件或软件来实现,并且将源视频压缩成固定长度为8位或更多的一系列数据分组。 这些数据包中的一个或多个数据包的顺序创建了唯一的编码“命令”,可以通过任何网络发送,并且可以用软件或硬件轻松解码(解压缩)。 这些命令包括仅由两种颜色(如文本)组成的屏幕段的三维复制(水平,垂直和时间)和独特的效率。 还公开了根据像素颜色的普及来改进视频压缩的实施例。
    • 4. 发明授权
    • Automatic equalization of video signals
    • 视频信号自动均衡
    • US07551168B2
    • 2009-06-23
    • US11334388
    • 2006-01-19
    • Stephen M. AhernAengus Gorey
    • Stephen M. AhernAengus Gorey
    • G09G5/00
    • H04B3/145H04N5/268H04N7/102H04N7/104H04N7/108
    • A video compensation system for analog video transmission is described. The compensation system is employed in an analog video switching circuit such that each time a conductive path is switched, the system automatically tests the new switch path for a new compensation value. The compensation value is determined by measuring the response of the new path to a set of tones that are applied to the conductive path, the response to which is measured against a table of responses previously recorded. The measured responses are compared to the recorded responses to determine an appropriate compensation control voltage, which is applied to an equalizer system. In an alternative embodiment, the skew compensations also provided between red, green, and blue twisted pair lines in the cables by performing comparative analysis between corresponding pairs of the red, green, and blue signals.
    • 描述了用于模拟视频传输的视频补偿系统。 在模拟视频切换电路中使用补偿系统,使得每次切换导电路径时,系统自动测试新的开关路径以获得新的补偿值。 通过测量新路径对应用于导电路径的一组音调的响应来确定补偿值,该响应是根据先前记录的响应表测量的。 将测量的响应与记录的响应进行比较,以确定适用于均衡器系统的适当的补偿控制电压。 在替代实施例中,通过在红色,绿色和蓝色信号的相应对之间进行比较分析,还在电缆中的红色,绿色和蓝色双绞线之间提供偏斜补偿。