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    • 31. 发明授权
    • Adding fields of a video frame
    • 添加视频帧的字段
    • US06823006B2
    • 2004-11-23
    • US10225383
    • 2002-08-21
    • Antonius Adrianus Cornelis Maria KalkerJohan Cornelis Talstra
    • Antonius Adrianus Cornelis Maria KalkerJohan Cornelis Talstra
    • H04B166
    • G06T1/0085G06T2201/0061G06T2201/0065H04N19/112H04N19/467
    • For some video processing applications, most notably watermark detection (40), it is necessary to add or average (parts of) the two interlaced fields which make up a frame. This operation is not trivial in the MPEG domain due to the existence of frame-encoded DCT blocks. The invention provides a method and arrangement for adding the fields without requiring a frame memory or an on-the-fly inverse DCT. To this end, the mathematically required operations of inverse vertical DCT (321) and addition (322) are combined with a basis transform (323). The basis transform is chosen to be such that the combined operation is physically replaced by multiplication with a sparse matrix (32). Said sparse matrix multiplication can easily be executed on-the-fly. The inverse basis transform (35) is postponed until after the desired addition (33, 34) has been completed.
    • 对于一些视频处理应用,最值得注意的是水印检测(40),有必要添加或平均构成帧的两个隔行扫描场(部分)。 由于存在帧编码的DCT块,所以在MPEG域中这种操作并不是微不足道的。 本发明提供了一种用于在不需要帧存储器或即时反DCT的情况下添加场的方法和装置。 为此,逆垂直DCT(321)和加法(322)的数学上需要的操作与基础变换(323)组合。 选择基础变换使得组合操作被物理地替换为与稀疏矩阵(32)的乘法。 所述稀疏矩阵乘法可以容易地在运行中执行。 反向基变换(35)被推迟直到所需加法(33,34)完成。
    • 36. 发明申请
    • DRIVE APPARATUS
    • 驱动装置
    • US20100271914A1
    • 2010-10-28
    • US12747530
    • 2008-12-16
    • Johan Cornelis TalstraLoek Faessen
    • Johan Cornelis TalstraLoek Faessen
    • G11B20/10
    • G11B20/00086G11B20/0021G11B20/0084
    • The present invention relates to a drive apparatus (20) for accessing an optical record carrier (10) carrying a time-indicative information (T) and a second ROM mark (M2), comprising: —an access unit (21, 25) for accessing said record carrier (10) for reading data from and/or writing data to said record carrier (10), —a time-information detector (D3) for checking for the presence of time-indicative information (T) and for checking, if time-indicative information (T) is present, whether said time-indicative information (T) indicates a time that lies before a predetermined reference time, —a second ROM mark detector (D2) for checking, if said time-indicative information (T) indicates a time that lies on or after said predetermined reference time, for the presence of said second ROM mark (M2), and—a controlunit (23, 24) for controlling said access unit (21, 25) such that the reading and/or writing of data is inhibited if said time-indicative information (T) indicates a time that lies on or after said predetermined reference time, but said second ROM mark (M2) is not present on said record carrier.
    • 本发明涉及一种用于访问载有时间指示信息(T)和第二ROM标记(M2)的光学记录载体(10)的驱动装置(20),包括: - 一个存取单元(21,25),用于 访问所述记录载体(10),用于从所述记录载体(10)读取数据和/或写入数据; - 时间信息检测器(D3),用于检查是否存在时间指示信息(T) 如果存在时间指示信息(T),则所述时间指示信息(T)是否指示位于预定参考时间之前的时间; - 第二ROM标记检测器(D2),用于检查所述时间指示信息( T)表示存在所述第二ROM标记(M2)的所述预定参考时间之后或之后的时间,以及用于控制所述存取单元(21,25)的控制单元(23,24),使得读取 如果所述时间指示信息(T)指示l的时间,则禁止写入数据 在所述预定参考时间之后或之后,但所述第二ROM标记(M2)不存在于所述记录载体上。
    • 40. 发明授权
    • Method for controlling a lighting system, and lighting system
    • 控制照明系统和照明系统的方法
    • US09220151B2
    • 2015-12-22
    • US13700809
    • 2011-05-27
    • Lorenzo FeriJohan Cornelis Talstra
    • Lorenzo FeriJohan Cornelis Talstra
    • H05B37/02H05B41/46
    • H05B37/02H05B37/0245H05B41/46
    • The invention relates to a method for controlling a lighting system, said lighting system comprising a plurality of luminaires (10, 12, 14, 16, 18), a plurality of sensors (24, 26), a central control unit (22) and a network (20) comprising networking devices for establishing a communication between the luminaires, the sensors and the central control unit. These luminaires, sensors and networking devices represent local units of the lighting system. In a standard operation mode, the luminaires (10, 12, 14, 16, 18) are controlled by the central control unit (22) on the basis of sensor data transmitted to the central control unit (22). In case of failure of operation of the central control unit (22), the lighting systems switches into a fallback mode, wherein each luminare (10, 12, 14, 16, 18) is controlled by a local unit associated to or represented by this luminaire (10, 12, 14, 16, 18).
    • 本发明涉及一种用于控制照明系统的方法,所述照明系统包括多个灯具(10,12,14,16,18),多个传感器(24,26),中央控制单元(22)和 网络(20),其包括用于建立所述照明器,所述传感器和所述中央控制单元之间的通信的联网设备。 这些灯具,传感器和网络设备表示照明系统的本地单元。 在标准操作模式中,基于传送到中央控制单元(22)的传感器数据,由中央控制单元(22)控制照明器(10,12,14,16,18)。 在中央控制单元(22)的操作失败的情况下,照明系统切换到回退模式,其中每个灯具(10,12,14,16,18)由与该或相关联的本地单元相关联或由其表示的本地单元控制 灯具(10,12,14,16,18)。