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21. 发明授权

US07292734B2 Black and white stretching system and method for improving contrast of a picture 失效
标题翻译：黑白拉伸系统和改善图像对比度的方法
公开(公告)号：US07292734B2
公开(公告)日：2007-11-06
申请号：US10830400
申请日：2004-04-23
申请人： Sang-soo Lee , Ho-nam Lee
发明人： Sang-soo Lee , Ho-nam Lee
IPC分类号： G06K9/40
CPC分类号： G06T5/40 , G06T5/009
摘要： A black and white stretching system and method for improving contrast of a picture is disclosed. The system includes a histogram distribution calculation unit for calculating a histogram distribution of an input signal of a specified unit, a mean calculation unit for calculating a mean level of the input image signal, a slope calculation unit for calculating black and white stretching slopes in association with the mean level, a ratio calculation unit for calculating a ratio of a picture change based on the histogram distribution of the present input image signal and the previous input image signal, a filtering unit for adjusting the black and white stretching slopes corresponding to the ratio of the picture change, and a stretching unit for stretching the input image signal by mapping the adjusted black and white stretching slopes and the input image signal.
摘要翻译：公开了一种用于改善图像对比度的黑白拉伸系统和方法。该系统包括用于计算指定单位的输入信号的直方图分布的直方图分布计算单元，用于计算输入图像信号的平均电平的平均计算单元，用于计算关联的黑白延伸斜率的斜率计算单元平均等级，用于计算基于当前输入图像信号和先前输入图像信号的直方图分布的图像变化率的比率计算单元，用于调整与比率相对应的黑色和白色拉伸斜率的滤波单元以及拉伸单元，用于通过映射所调整的黑白延伸斜率和输入图像信号来拉伸输入图像信号。

22. 发明授权

US06714237B2 Apparatus and method for automatically storing an intrusion scene 失效
标题翻译：用于自动存储入侵场景的装置和方法
公开(公告)号：US06714237B2
公开(公告)日：2004-03-30
申请号：US09948726
申请日：2001-09-10
申请人： Sang-soo Lee , Jae-won Yoo
发明人： Sang-soo Lee , Jae-won Yoo
IPC分类号： H04N718
CPC分类号： G08B13/19673 , G08B13/1961 , G08B13/1966 , G08B13/19669 , G08B25/008
摘要： An apparatus and method for automatically storing an intrusion scene, and a method for controlling the apparatus using a wireless signal are provided. According to the apparatus and methods, an image is photographed every time a time interval elapses, converted into digital signals and stored. The stored signals are divided into a number of regions. The signals are sampled within each region, and data is extracted. It is determined whether an intrusion has occurred by comparing the extracted image data with image data extracted immediately before. If it is determined that intrusion occurred, scene data corresponding to the image data in which the intrusion is recognized is stored, and notification that an intrusion has occurred is wirelessly transmitted. Functions for these operations are set by a remote controller using keypads. By doing so, if an intruder intrudes into an area, the unmanned monitoring apparatus provides an intrusion alarm and at the same time photographs the intrusion scene. The scene data is important evidence for arresting the intruder and proving the intrusion. Also, the size of the apparatus can be easily reduced for convenient maintenance.
摘要翻译：提供一种用于自动存储入侵场景的装置和方法，以及一种使用无线信号来控制装置的方法。根据该装置和方法，每次经过时间间隔拍摄图像，转换成数字信号并存储。存储的信号被分成多个区域。在每个区域内采样信号，并提取数据。通过将提取的图像数据与之前提取的图像数据进行比较来确定是否发生了入侵。如果确定入侵发生，则存储对应于其中识别入侵的图像数据的场景数据，并且无线地发送已经发生入侵的通知。这些操作的功能由遥控器使用键盘设置。通过这样做，如果入侵者进入一个区域，无人监控设备提供入侵报警，同时拍摄入侵场景。场景数据是阻止入侵者并证明入侵的重要证据。此外，为了便于维护，可以容易地减少设备的尺寸。

23. 发明授权

US5410361A Channel selection method with reduced memory usage 失效
标题翻译：通道选择方法，减少内存使用
公开(公告)号：US5410361A
公开(公告)日：1995-04-25
申请号：US111875
申请日：1993-08-26
申请人： Sang-soo Lee
发明人： Sang-soo Lee
IPC分类号： H04N5/44 , H04N5/445 , H04N5/50
CPC分类号： H04N21/4345 , H04N21/485 , H04N5/44513 , H04N5/50 , H04N21/482
摘要： A channel selection method stores broadcast channel numbers for which broadcast signals are input and displays the stored broadcast channel numbers on a screen, thereby facilitating broadcast channel selection. The method comprises the steps of storing the number of a corresponding channel by sequentially scanning broadcast signal channels, displaying the numbers of all the channels scanned in the storage step so as to be able to distinguish the stored channel numbers from unstored channels numbers, and selecting a channel using only a channel number stored in the storage step from among the displayed channel numbers. Accordingly, the broadcast channels can be identified with ease, permitting a desired channel to be easily selected.
摘要翻译：频道选择方法存储广播信号被输入的广播频道号，并在屏幕上显示所存储的广播频道号，从而便于广播频道选择。该方法包括以下步骤：通过顺序地扫描广播信号信道来存储对应信道的数量，显示在存储步骤中扫描的所有信道的数量，以便能够将已存储的信道号与未分配的信道号进行区分，并选择从所显示的频道号中仅使用存储在存储步骤中的频道号的频道。因此，可以容易地识别广播频道，从而允许容易地选择期望的频道。

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