公开(公告)号：KR1020090061961A

公开(公告)日：2009-06-17

申请号：KR1020070128999

申请日：2007-12-12

Applicant: 재단법인서울대학교산학협력재단

Inventor： 김주현 ,  이혁재 ,  이진원 ,  현경환

IPC: H04N19/43

CPC classification number: H04N19/433

Abstract: A motion compensation apparatus is provided to minimize a cache line with a cache address configuration and perform motion compensation without data collision, thereby decoding clearly an image. A motion compensation apparatus comprises a cache memory, an external memory, and a motion compensation engine. The cache memory comprises a save domain and an address assigning domain composed of cache lines. The external memory is comprised of a plurality of blocks in which each cache line index is given. The external memory is made of a plurality of rows. In the external memory, data of a row of an image frame is stored within one row among the plurality of rows. The motion compensation engine stores image data, stored in each block of the external memory, in a cache line which a cache line index designates. The motion compensation engine performs motion compensation with image data stored in the designated cache line.

Abstract translation: 提供运动补偿装置以使具有高速缓存地址配置的高速缓存行最小化，并且在没有数据冲突的情况下执行运动补偿，从而清楚地解码图像。 运动补偿装置包括高速缓冲存储器，外部存储器和运动补偿引擎。 高速缓冲存储器包括保存域和由高速缓存行组成的地址分配域。 外部存储器由多个块组成，其中给出每个高速缓存行索引。 外部存储器由多行构成。 在外部存储器中，图像帧的行的数据被存储在多行中的一行内。 运动补偿引擎将存储在外部存储器的每个块中的图像数据存储在高速缓存行索引指定的高速缓存行中。 运动补偿引擎使用存储在指定的高速缓存行中的图像数据执行运动补偿。

公开(公告)号：KR1020070097727A

公开(公告)日：2007-10-05

申请号：KR1020060028350

申请日：2006-03-29

Applicant: 삼성에스디아이 주식회사 ,  재단법인서울대학교산학협력재단

Inventor： 김진성 ,  이혁재

IPC: G09G3/296 ,  G09G3/294

CPC classification number: G09G3/294 ,  G09G3/2803 ,  G09G2320/0233 ,  H01J17/494

Abstract: A plasma display device and a driving method thereof are provided to maintain color coordinates of a white color by compensating variation of brightness increasing rates due to the number of sustain discharges. A plasma display device includes plural column and row electrodes, and plural discharge cells, which are defined by the plural column and row electrodes. A frame is divided into plural subfields having respective brightness weighted values. A screen load rate of plural image data corresponding to the discharge cells is calculated(S710). Total numbers of sustain discharge corresponding to the frame according to the screen load rate are determined(S720). Weighted values of the subfields according to the total numbers of sustain discharges are determined(S750). The image data are converted to respective plural subfield data based on the weighted values(S760). A driving signal is applied to the column and row electrodes according to the respective plural subfield data.

Abstract translation: 提供等离子体显示装置及其驱动方法，通过补偿由于维持放电次数引起的亮度增加率的变化来维持白色的色坐标。 等离子体显示装置包括由多个列和行电极限定的多个列和行电极以及多个放电单元。 将帧划分为具有各自的亮度加权值的多个子场。 计算与放电单元对应的多个图像数据的画面负载率（S710）。 确定根据屏幕负载率对应于帧的维持放电的总数（S720）。 确定根据维持放电总数的子场的加权值（S750）。 基于加权值将图像数据转换为相应的多个子场数据（S760）。 根据相应的多个子场数据将驱动信号施加到列和行电极。