公开(公告)号：US07683971B2

公开(公告)日：2010-03-23

申请号：US11415095

申请日：2006-05-02

Applicant: Seung-hoon Han ,  Seung-joon Yang

Inventor： Seung-hoon Han ,  Seung-joon Yang

IPC: H04N7/01

CPC classification number: H04N7/0115 ,  H04N7/014

Abstract: An image conversion apparatus to perform a motion compensation and a motion compensation method. The image conversion apparatus includes a first buffer, a second buffer, and a third buffer that store sequentially incoming video fields in sequence, a motion estimator that estimates a motion vector between a first field stored in the first buffer and a third field stored in the third buffer, a motion compensator that compensates for a motion between the first field and the third field using the motion vector output from the motion estimator and thereby outputs an interpolated field, an output unit that outputs at least one of the interpolated fields output from the motion compensator and a second field stored in the second buffer, and a field selector that selects a field to be output from the output unit according to a film mode of the sequentially incoming video fields.

Abstract translation: 一种用于执行运动补偿和运动补偿方法的图像转换装置。 图像转换装置包括顺序地顺序输入的视频场的第一缓冲器，第二缓冲器和第三缓冲器，运动估计器，其估计存储在第一缓冲器中的第一场和存储在第一缓冲器中的第三场之间的运动矢量 第三缓冲器，运动补偿器，其使用从运动估计器输出的运动矢量来补偿第一场和第三场之间的运动，从而输出内插场;输出单元，其输出从第一场和第三场输出的至少一个内插场， 运动补偿器和存储在第二缓冲器中的第二场，以及场选择器，其根据顺序输入的视频场的电影模式选择要从输出单元输出的场。

公开(公告)号：US07239353B2

公开(公告)日：2007-07-03

申请号：US10704663

申请日：2003-11-12

Applicant: Jong-hwan Lee ,  You-young Jung ,  Young-ho Lee ,  Seung-joon Yang

Inventor： Jong-hwan Lee ,  You-young Jung ,  Young-ho Lee ,  Seung-joon Yang

IPC: H04N7/01

CPC classification number: H04N7/0112 ,  H04N5/144 ,  H04N7/012 ,  H04N21/4884

Abstract: An image format conversion apparatus including a 3:2 pull-down detection part determining whether a current field out of plural fields continuous in time is an image of a 3:2 pull-down format produced by a 3:2 pull-down process; a scroll text/graphic data detection part determining whether scroll motions exist on the current field; a 3:2 pull-down compensation part calculating interpolation values for pixels of the current field to be interpolated by using a 3:2 pull-down interpolation method; an IPC part calculating interpolation values for pixels of the current field to be interpolated by using a second interpolation method; and an output selection part for selectively outputting either the interpolation values of the 3:2 pull-down compensation part or the interpolation values of the IPC part based on results of the determinations of the scroll text/graphic detection part and the 3:2 pull-down detection part.

Abstract translation: 一种图像格式转换装置，包括：3：2下拉检测部分，确定时间上连续的多个字段中的当前字段是否是通过3：2下拉处理产生的3：2下拉格式的图像; 确定滚动动作是否存在于当前场上的滚动文本/图形数据检测部分; 3：2下拉补偿部分，使用3：2下拉插值法计算要内插的当前场的像素的内插值; IPC部分通过使用第二插值方法来计算要内插的当前场的像素的内插值; 以及输出选择部分，用于基于滚动文本/图形检测部分的确定结果和3：2拉伸的结果选择性地输出3：2下拉补偿部分的内插值或IPC部分的内插值 下降检测部分。

公开(公告)号：US20070025613A1

公开(公告)日：2007-02-01

申请号：US11441148

申请日：2006-05-26

Applicant: Young-ho Lee ,  Seung-joon Yang ,  Ki-hyun Hong

Inventor： Young-ho Lee ,  Seung-joon Yang ,  Ki-hyun Hong

IPC: G06K9/00 ,  G09G3/36

CPC classification number: G09G3/3413 ,  G09G3/342 ,  G09G2310/0235 ,  G09G2310/024 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/062 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/103 ,  G09G2340/06 ,  G09G2360/16

Abstract: A field sequential display apparatus and an image display method thereof are provided. A field sequential display apparatus includes: a color-coordinate conversion unit which analyses image state information of a plurality of input image signals of primary colors representing one image and converts the input image signals of primary colors into image signals of primary colors and at least one image signal of specific colors by using the image state information; a display panel displaying the converted image signals; and a light source driving unit which sequentially drives light sources corresponding to colors of the converted image signals. Accordingly, color breakup can be prevented, and image quality can be improved.

Abstract translation: 提供场顺序显示装置及其图像显示方法。 场顺序显示装置包括：颜色坐标转换单元，分析表示一个图像的原色的多个输入图像信号的图像状态信息，并将原色的输入图像信号转换为原色的图像信号和至少一个 通过使用图像状态信息的特定颜色的图像信号; 显示转换后的图像信号的显示面板; 以及光源驱动单元，其顺序地驱动与转换的图像信号的颜色对应的光源。 因此，可以防止颜色分解，并且可以提高图像质量。

公开(公告)号：US07075988B2

公开(公告)日：2006-07-11

申请号：US10277093

申请日：2002-10-22

Applicant: Sung-hee Lee ,  Seung-joon Yang

Inventor： Sung-hee Lee ,  Seung-joon Yang

IPC: H04N7/112 ,  G06K9/36

CPC classification number: H04N7/0137 ,  H04N5/145 ,  H04N7/014

Abstract: An apparatus and method which includes estimating a motion vector of a frame and/or field to be interpolated and the accuracy of the motion vector using motion vectors of previous and next frames and/or fields; determining motion information by analyzing the estimated motion vector, and calculating a correlation between the motion vector of the current block and the motion vectors of neighboring blocks; generating pixels to be interpolated by performing motion compensation in a frame and/or field to be interpolated using the estimated motion vector and using pixels neighboring a pixel to be interpolated in the frame and/or field to be interpolated and pixels neighboring a pixel to be interpolated in the previous and next frame and/or field of the pixel to be interpolated; and outputting the generated pixels as interpolation values according to the accuracy of the estimated motion vector, the motion information, and the correlation.

公开(公告)号：US20060077292A1

公开(公告)日：2006-04-13

申请号：US11237975

申请日：2005-09-29

Applicant: Young-ho Lee ,  Seung-joon Yang

Inventor： Young-ho Lee ,  Seung-joon Yang

IPC: H04N11/20

CPC classification number: H04N7/0115 ,  H04N5/21 ,  H04N7/012 ,  H04N7/0147 ,  H04N21/4884

Abstract: An image processing apparatus using a judder-map and a method thereof. The image processing apparatus using a judder-map includes: a field storage block to receive an input interlaced video signal including an input image having a plurality of consecutive fields, a film detecting block to receive the plurality of the consecutive fields from the field storage block and to detect whether the input image is an image in a film mode, a judder-map generating block to detect judder created on a pixel or block of neighboring fields among the plurality of consecutive fields provided from the field storage block to generate a judder-map, and an image interpolating block to perform image interpolation using the judder-map if the input video signal is detected to be an image in the film mode and to generate and output a progressive video signal. The image processing apparatus prevents the creation of judder on CGI (Computer Graphic Imagery) or subtitles, to which pulldown technologies are not applied.

公开(公告)号：US20060044467A1

公开(公告)日：2006-03-02

申请号：US11210818

申请日：2005-08-25

Applicant: Young-ho Lee ,  Seung-joon Yang

Inventor： Young-ho Lee ,  Seung-joon Yang

IPC: H04N7/01

CPC classification number: G11B27/28 ,  H04N7/0115

Abstract: A film mode detection apparatus capable of detecting a bad edit and a method thereof that can detect a bad edit independently of a film pattern. The film mode detection apparatus includes a pattern generation unit to generate a pattern using difference values of information between sequential fields of an input image, a bad edit detection unit to detect extremum values of the difference values of the information between the fields and to judge whether a present field corresponds to a bad edit according to variances of the detected extremum values, and a decision unit to decide whether the input image is a film image using pattern information generated from the pattern generation unit and bad edit detection information from the bad edit detection unit. Accordingly, the apparatus can cope with all kinds of bad edits and thus can prevent an error during the judgment of a film mode.

Abstract translation: 能够检测不良编辑的电影模式检测装置及其方法，其可独立于胶片图案检测不良编辑。 胶片模式检测装置包括：图案生成单元，用于使用输入图像的顺序字段之间的信息的差值生成图案，坏的编辑检测单元，用于检测场之间的信息的差值的极值，并判断是否 现场对应于根据检测到的极值的方差的不良编辑，以及判定单元，用于使用从模式生成单元生成的模式信息来判定输入图像是胶卷图像还是来自不良编辑检测的差的编辑检测信息 单元。 因此，该装置可以应对各种不良编辑，从而可以防止在电影模式的判断期间的错误。

公开(公告)号：US20050110902A1

公开(公告)日：2005-05-26

申请号：US10901383

申请日：2004-07-29

Applicant: Seung-joon Yang

Inventor： Seung-joon Yang

IPC: H04N5/14 ,  H04N5/21 ,  H04N7/01

CPC classification number: H04N5/21 ,  H04N5/145 ,  H04N7/012

Abstract: A de-interlacing apparatus with a noise reduction/removal device. The noise reduction/removal device can include a motion prediction unit that predicts motion vectors between an image one period ahead of a previous image and a current image with respect to individual images which are sequentially inputted; a motion checking unit that applies the motion vectors predicted by the motion prediction unit to the image one period ahead of the previous image and two different images ahead of the current image in time, and checks whether the motion vectors are precise motion vectors; a motion compensation unit that compensates for motions in use of the motion vectors checked for preciseness thereof by the motion checking unit; and a noise removal unit that removes noise on images using the motion-compensated images by the motion compensation unit and the inputted images. Accordingly, the noise reduction/removal device can reduce or remove noise through simple procedures on noise-bearing images.

Abstract translation: 具有降噪/去除装置的去隔行装置。 噪声降低/去除装置可以包括运动预测单元，其预测相对于顺序地输入的各个图像的先前图像之前一周期的图像与当前图像之间的运动矢量; 运动检查单元，其将由所述运动预测单元预测的运动矢量及其前一图像的前一周期和所述当前图像前方的两个不同图像及时检测，并检查所述运动矢量是否为精确的运动矢量; 运动补偿单元，其通过运动检查单元补偿使用检查运动矢量的精度的运动; 以及噪声消除单元，其通过运动补偿单元和输入图像使用运动补偿图像去除图像上的噪声。 因此，噪声降低/去除装置可以通过简单的噪声承载图像的程序来减少或消除噪声。

公开(公告)号：US20050018086A1

公开(公告)日：2005-01-27

申请号：US10871373

申请日：2004-06-21

Applicant: Young-ho Lee ,  Seung-joon Yang

Inventor： Young-ho Lee ,  Seung-joon Yang

IPC: H04N5/253 ,  H04N7/01 ,  H04N9/64

CPC classification number: H04N7/0115 ,  H04N7/012

Abstract: An image signal detecting apparatus and a method thereof capable of detecting a 2:2 pull-down image as well as a 3:2 pull-down image with respect to an input image signal. The image signal detecting apparatus includes a SAD calculation unit for calculating summed absolute differences (SADs) among a current field (n), a previous field (n−1), and a next field (n+1) with respect to consecutively input image signals, a pull-down image detection unit, a still image determining unit , a bad-edit detection unit for detecting a bad-edit in the detected pull-down image, and a decision unit for deciding whether the input image signal is the pull-down image or not based on the result of detecting the pull-down image, the result of determining whether the input image signal is a still image by the still image judgment unit, and the result of detecting the occurrence of the bad-edit.

Abstract translation: 一种能够相对于输入图像信号检测2:2下拉图像以及3:2下拉图像的图像信号检测装置及其方法。 图像信号检测装置包括：SAD计算单元，用于计算当前场（n），先前场（n-1）和下一个场（n + 1）之间相对于连续输入图像的累加绝对差（SAD） 信号，下拉图像检测单元，静止图像确定单元，用于检测检测到的下拉图像中的不良编辑的坏编辑检测单元，以及用于判定输入图像信号是否为拉 基于检测下拉图像的结果，确定输入图像信号是否是静止图像判断单元的静止图像的结果，以及检测错误编辑的发生的结果的结果。