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    • 4. 发明授权
    • Format structure of serial data and serial data conversion apparatus
    • 串行数据格式结构和串行数据转换装置
    • US07376188B2
    • 2008-05-20
    • US10660619
    • 2003-09-12
    • Sang-Il SeoHa-Jin HwangChul-Yong JoungNam-Seok JoDong-Il HanJong-Seok Park
    • Sang-Il SeoHa-Jin HwangChul-Yong JoungNam-Seok JoDong-Il HanJong-Seok Park
    • H04B1/66
    • H04N7/22H04N21/43632
    • Disclosed is a serial data conversion apparatus comprising: a video signal packet conversion unit for converting a characteristic signal of a video signal into a video signal characteristic packet and simultaneously converting a video signal into a video signal packet by the characteristic signal of a video signal, horizontal/vertical synchronization signals, and a video clock signal; an audio signal packet conversion unit for converting a characteristic signal of an audio signal into an audio signal characteristic packet and simultaneously converting an audio signal into an audio signal packet by the characteristic signal of an audio signal, left/right control signals, and an audio clock signal; a control signal packet conversion unit for converting a control signal into a control signal packet by an informing signal which informs a generation of a control signal; and a multiplexer for switching and selecting the video signal characteristic packet, the video signal packet, the audio signal characteristic packet, the audio signal packet, and the control signal packet by a certain format structure.
    • 公开了一种串行数据转换装置,包括:视频信号分组转换单元,用于将视频信号的特征信号转换为视频信号特征分组,并通过视频信号的特征信号同时将视频信号转换为视频信号分组, 水平/垂直同步信号和视频时钟信号; 音频信号分组转换单元,用于将音频信号的特征信号转换成音频信号特征分组,并通过音频信号的特征信号,左/右控制信号和音频同时将音频信号转换为音频信号分组 时钟信号; 控制信号分组转换单元,用于通过通知生成控制信号的通知信号将控制信号转换成控制信号分组; 以及用于以特定格式结构切换和选择视频信号特征分组,视频信号分组,音频信号特征分组,音频信号分组和控制信号分组的多路复用器。
    • 8. 发明授权
    • Method and apparatus for improving video quality
    • 提高视频质量的方法和装置
    • US06891571B2
    • 2005-05-10
    • US10008626
    • 2001-12-06
    • Chang Yong ShinDong Il Han
    • Chang Yong ShinDong Il Han
    • H04N7/01
    • H04N7/0135H04N7/0112
    • Disclosed is a video restoring apparatus and method thereof enabling to improve a video mode by interpolating field data. The present invention includes the steps of: identifying whether a scene on an image sequence is changed by receiving field data; detecting whether a 3:2 pull-down mode exists in the image sequence; generating a first interpolated frame by interleaving a field to be interpolated and adjacent fields each other when there is the 3:2 pull-down mode; generating a second interpolated frame by de-interlacing the field to be interpolated and the adjacent fields each other when there is not the 3:2 pull-down mode, and selectively outputting one of the first and second interpolated frames.
    • 公开了一种视频恢复装置及其方法,其能够通过内插场数据来改善视频模式。 本发明包括以下步骤:通过接收现场数据来识别图像序列中的场景是否改变; 检测图像序列中是否存在3:2下拉模式; 当存在3:2下拉模式时,通过交织待内插的场和相邻的场来产生第一内插帧; 当不存在3:2下拉模式时,通过对待内插的场进行去隔行和相邻的场来产生第二内插帧,并且选择性地输出第一和第二内插帧之一。
    • 9. 发明授权
    • Video format converting apparatus
    • 视频格式转换装置
    • US06683655B2
    • 2004-01-27
    • US09758362
    • 2001-01-12
    • Dong Il Han
    • Dong Il Han
    • H04N974
    • H04N7/0122H04N7/01
    • A video format converting apparatus which optionally converts the sizes of input and output videos includes a mode generator for generating a control signal of required data flow and a clock required for format conversion by determining a format conversion structure after receiving format data of input and output videos, a format converter of which input/output data path is controlled to a corresponding operation mode by the control signal, for independently format converting the input video synchronized with the clock in vertical and horizontal directions, and a plurality of multiplexers for providing proper video to the format converter in accordance with the signal of the mode generator. When various kinds of input videos are format converted to various kinds of output videos, it is possible to reduce the capacity of required hardware and the capacity of the memory. Thus, a minimum memory band width is required.
    • 可选地转换输入和输出视频的尺寸的视频格式转换装置包括:模式发生器,用于通过在接收输入和输出视频的格式数据之后确定格式转换结构来产生所需数据流的控制信号和格式转换所需的时钟 ,通过控制信号将输入/输出数据路径控制到相应操作模式的格式转换器,用于独立地格式转换与垂直和水平方向上的时钟同步的输入视频,以及多个多路复用器,用于提供适当的视频 格式转换器根据模式发生器的信号。 当将各种输入视频格式转换为各种输出视频时,可以降低所需硬件的容量和存储器的容量。 因此,需要最小的存储带宽度。
    • 10. 发明授权
    • Deinterlacing device and method
    • 去隔行装置和方法
    • US06630961B1
    • 2003-10-07
    • US09608219
    • 2000-06-30
    • Chang Yong ShinDong Il Han
    • Chang Yong ShinDong Il Han
    • H04N701
    • H04N5/144H04N7/012
    • A deinterlacing device and method for improving a quality of image after interpolation without a complicated circuit at the time when an interlacing screen is converted into a progressive type screen is disclosed. The deinterlacing device includes: a field memory for storing m continuous field data containing an nth field data and positioned before and after the nth field data on the basis of the nth field data of a plurality of field data for output image; a motion determination part for detecting picture element values and brightness profile pattern difference values in specific lines existing among the field data stored in the field memory to calculate a motion value of a moving picture; a spatial interpolator for calculating a variation direction of picture element values on an area to be interpolated in the nth field data to output a direction value; a time interpolator for averaging the picture element values on the area to be interpolated in a previous field data of the nth field data and the picture element values on the area to be interpolated in a next field data of the nth field data to output the picture element average value; and a soft switch for mixing the direction value outputted from the spatial interpolator and the picture element average value outputted from the time interpolator, based upon the motion value determined in the motion determination part to output the mixed result.
    • 公开了一种用于在将交错屏幕转换成逐行式屏幕时,在没有复杂电路的情况下提高插值后的图像质量的去隔行扫描装置和方法。 去隔行扫描装置包括:场存储器,用于根据用于输出图像的多个场数据的第n场数据,存储包含第n场数据并位于第n场数据之前和之后的m个连续场数据; 运动确定部分,用于检测存储在场存储器中的场数据中存在的特定线中的图像元素值和亮度轮廓图案差值,以计算运动图像的运动值; 空间内插器,用于计算第n场数据中要插值的区域上的像素值的变化方向,以输出方向值; 时间插值器,用于对第n场数据的先前场数据中要插值的区域上的像素值和第n场数据的下一场数据中待插值区域上的像素值进行平均,以输出图像 元素平均值; 以及软开关,用于根据在运动判定部分中确定的运动值,混合从空间内插器输出的方向值和从时间插值器输出的图像元素平均值,以输出混合结果。