公开(公告)号：US06191820B1

公开(公告)日：2001-02-20

申请号：US09157949

申请日：1998-09-22

申请人： Kyung Jin Kang ,  Woo Hyun Paik

发明人： Kyung Jin Kang ,  Woo Hyun Paik

IPC分类号： H04N701

CPC分类号： H04N7/0122 ,  H04N3/22 ,  H04N3/27 ,  H04N7/0135

摘要： Device and method for converting an aspect ratio of a video signal, is disclosed, in which an aspect ratio of an image at an arbitrary position can be converted to an arbitrary value, the device including means for generating arbitrary mapping information on the received image in image block units defined by the horizontal, and vertical sections, and means for determining the aspect ratio of the received image for a block using the arbitrary mapping information and converting the received image, varying a vertical display ratio for each horizontal position and/or a horizontal display ratio for each vertical position, of the received image with the aspect ratio, and the method including the steps of generating arbitrary mapping information on the received image in image block units defined by the horizontal, and vertical sections, and determining the aspect ratio of the received image for a block using the arbitrary mapping information and converting the received image, varying a vertical display ratio for each horizontal position and/or a horizontal display ratio for each vertical position, of the received image with the aspect ratio.

摘要翻译： 公开了一种用于转换视频信号的宽高比的装置和方法，其中可以将任意位置的图像的纵横比转换为任意值，该装置包括用于生成关于接收到的图像的任意映射信息的装置 由水平和垂直部分定义的图像块单元以及用于使用任意映射信息确定块的接收图像的宽高比并转换接收到的图像，改变每个水平位置的垂直显示比例和/或 具有纵横比的接收图像的每个垂直位置的水平显示比率，以及包括以下步骤的方法：在由水平和垂直部分定义的图像块单元中生成关于接收图像的任意映射信息，并且确定纵横比 使用任意映射信息对块的接收图像进行转换，并且改变接收到的图像，从而改变垂直线 对于每个水平位置的显示比例和/或每个垂直位置的水平显示比，具有纵横比的接收图像。

公开(公告)号：US5715013A

公开(公告)日：1998-02-03

申请号：US599133

申请日：1996-02-09

申请人： Kyung Jin Kang

发明人： Kyung Jin Kang

IPC分类号： H04N5/45

CPC分类号： H04N7/0122 ,  H04N5/45

摘要： An improved double picture producing apparatus for a wide screen television capable of concurrently achieving an aspect ratio conversion and a double picture display using a picture zooming up function of an aspect ratio conversion, which includes a clock generating unit for receiving a horizontal synchronous signal and for outputting a writing clock signal, a reading clock signal, and a mode selection signal; a decimating unit for counting the writing clock signal outputted from the clock generating unit and for outputting a writing address and a reading address in accordance with a mode selection signal; a double picture video signal generating unit for receiving a first video signal and a second video signal which are aspect-ratio-converted by the first and second zooming units and for outputting a video signal of a double picture by dividing the number of scanning lines of the video signals in half; and a video signal selection unit for receiving first and second video signals aspect-ratio-converted by the first and second zooming units and a double picture video signal outputted from the double picture video signal generating unit, and for outputting the signals to a color picture tube in accordance with a mode selection signal.

摘要翻译： 一种用于宽屏幕电视的改进的双画面产生装置，其能够同时实现宽高比转换和使用高宽比变换的图像缩放功能的双画面显示，其包括用于接收水平同步信号的时钟产生单元， 输出写入时钟信号，读取时钟信号和模式选择信号; 抽取单元，用于对从时钟产生单元输出的写入时钟信号进行计数，并根据模式选择信号输出写入地址和读取地址; 一个双画面视频信号发生单元，用于接收由第一和第二变焦单元进行纵横比转换的第一视频信号和第二视频信号，并且通过将扫描线的数量除以来输出双画面的视频信号 视频信号一半; 以及视频信号选择单元，用于接收由第一和第二缩放单元进行纵横比转换的第一和第二视频信号和从双画面视频信号产生单元输出的双画面视频信号，并将该信号输出到彩色图像 管根据模式选择信号。

公开(公告)号：US06404458B1

公开(公告)日：2002-06-11

申请号：US09094587

申请日：1998-06-15

申请人： Kyung Jin Kang

发明人： Kyung Jin Kang

IPC分类号： H04N1100

CPC分类号： H04N7/0122

摘要： An improved screen aspect ratio conversion which is capable of horizontally compressing and extending two image signals by writing in/reading from two line memory units when the wide screen television having an aspect ratio of 16:9 receives a 4:3 image signal or a 2:1 cinema image signal, thus simplifying the construction of the system, which includes a first line memory unit for receiving a clock of the clock generator as a writing/reading clock in accordance with the first writing enable signal of the clock counter and the first reading enable signal of the coefficient controller and for writing/reading at every line the image data inputted; a sample interpolation unit for performing 4:3 or 7:8 interpolation in accordance with the current image data inputted from the first line memory unit and the previous image data and for selecting at every line the interpolated data in accordance with a coefficient control signal of a predetermined bit generated by the coefficient controller; a second line memory unit for receiving the clock of the clock generator as a writing/reading clock in accordance with the second writing enable signal generated by the coefficient controller and the previously set second reading enable signal and for writing the image data interpolated by the sample interpolation unit at every line.

摘要翻译： 一种改进的屏幕宽高比转换，当宽屏幕电视具有16:9的宽高比时，能够通过在两行存储器单元的写入/读取来水平压缩和扩展两个图像信号来接收4：3图像信号或2 ：1个电影图像信号，从而简化了系统的构造，其包括第一行存储单元，用于根据时钟计数器的第一写入使能信号和时钟计数器的第一写入使能信号接收时钟发生器的时钟作为写入/读取时钟 读取系数控制器的使能信号，并在每行输入图像数据时进行写入/读取; 用于根据从第一行存储器单元输入的当前图像数据和先前图像数据执行4：3或7：8内插的样本内插单元，并且用于根据系统控制信号在每行中选择内插数据 由系数控制器产生的预定位; 第二行存储单元，用于根据系数控制器产生的第二写入使能信号和先前设置的第二读取使能信号接收时钟发生器的时钟作为写入/读取时钟，并用于写入由样本内插的图像数据 每行插补单元。

公开(公告)号：US5847768A

公开(公告)日：1998-12-08

申请号：US637900

申请日：1996-04-26

申请人： Kyung Jin Kang

发明人： Kyung Jin Kang

IPC分类号： H04N5/44 ,  H04N7/01

CPC分类号： H04N7/0122 ,  Y10S348/904

摘要： An improved screen aspect ratio conversion apparatus displays a 4:3 broadcast signal on a screen having an aspect ratio of 16:9 by expanding the screen aspect ratio to 4:3 in an interpolation unit and by removing a portion exceeding a certain range of the screen aspect ratio of 16:9. The apparatus includes a line interpolation unit for multiplying the first three lines and next three lines of video data by different coefficient values; a line selection unit for selecting at every line video data interpolated by the line interpolation unit in accordance with a selection control signal and video data obtained by a data storing unit; a sum unit for summing video data obtained by the line selection unit; a horizontal synchronous count unit for counting a start portion of a horizontal synchronous signal to be zoomed and generating a write enable signal when the horizontal synchronous signal reaches a zooming region; and a field memory unit for storing video data which are zoomed at 3:4 by the data sum unit in accordance with a write enable signal of the horizontal synchronous count unit. The apparatus further includes a side panel inserting unit for inserting a luminance level value of a side panel into video data from the second storing unit in accordance with selection control signals.

摘要翻译： 改进的屏幕宽高比转换装置通过在插值单元中将屏幕宽高比扩展为4：3，并通过移除超出一定范围的部分的宽度比为16:9的屏幕上显示4：3广播信号 屏幕宽高比为16：9。 该装置包括用于将前三行和下一行三行视频数据乘以不同系数值的行内插单元; 行选择单元，用于根据选择控制信号和由数据存储单元获得的视频数据，在每行中选择由行内插单元内插的视频数据; 用于对由线选择单元获得的视频数据求和的和单元; 水平同步计数单元，用于对水平同步信号的开始部分进行计数，以便在水平同步信号到达变焦区域时产生写使能信号; 以及场存储器单元，用于根据水平同步计数单元的写使能信号，通过数据和单元存储以3:4放大的视频数据。 该装置还包括侧面板插入单元，用于根据选择控制信号将侧面板的亮度级值插入到来自第二存储单元的视频数据中。

公开(公告)号：US5675692A

公开(公告)日：1997-10-07

申请号：US621160

申请日：1996-03-22

申请人： Kyung Jin Kang

发明人： Kyung Jin Kang

IPC分类号： G11B20/02 ,  H04N5/45 ,  H04N5/775 ,  H04N9/79

CPC分类号： H04N5/7755 ,  H04N21/4263 ,  H04N21/4316 ,  H04N21/4325 ,  H04N21/4334 ,  H04N21/4858 ,  H04N5/45

摘要： An improved double picture generation apparatus for a VCR by which it is possible to concurrently watch two pictures on one screen of a television set, which includes a selection unit for receiving a video signal and an audio signal separated by a tuner/intermediate frequency processing unit, a video signal and an audio signal reproduced by a recording/reproducing unit, a video signal and an audio signal inputted thereto through an audio/video input terminal and for outputting at least two video signal and audio signals in accordance with a selection signal; an ARC/DW module for receiving two video signals outputted from the selection unit and generating a video signal of two pictures; an NTSC encoder for encoding a video signal of two pictures outputted from the ARC/DW module in accordance with an NTSC broadcast method and for outputting to an audio/video output terminal; and an output unit for modulating a video signal of two pictures encoded by the NTSC encoder and an audio signal outputted from the output unit and for outputting the signals to a television set.

摘要翻译： 一种用于VCR的改进的双重图像生成装置，其可以同时观看电视机的一个屏幕上的两个图像，该电视机包括用于接收视频信号的选择单元和由调谐器/中频处理单元分离的音频信号 ，由记录/再现单元再现的视频信号和音频信号，通过音频/视频输入端输入的视频信号和音频信号，并根据选择信号输出至少两个视频信号和音频信号; ARC / DW模块，用于接收从选择单元输出的两个视频信号并产生两个图像的视频信号; NTSC编码器，用于根据NTSC广播方法对从ARC / DW模块输出的两幅图像的视频信号进行编码，并输出到音频/视频输出端; 以及输出单元，用于调制由NTSC编码器编码的两个图像的视频信号和从输出单元输出的音频信号，并将该信号输出到电视机。