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    MEMORY SYSTEM AND MANAGEMENT METHOD THEROF
    51.
    发明申请
    MEMORY SYSTEM AND MANAGEMENT METHOD THEROF 审中-公开
    记忆系统及其管理方法

    公开(公告)号：US20140237190A1

    公开(公告)日：2014-08-21

    申请号：US14192189

    申请日：2014-02-27

    申请人： INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY

    发明人： Gi Ho Park

    IPC分类号： G06F12/08 ,  G06F12/12

    CPC分类号： G06F12/0815 ,  G06F12/0802 ,  G06F12/12 ,  G06F12/126 ,  Y02D10/13

    摘要： A memory system having multiple memory layers is provided. The memory system includes an upper memory layer and an intermediate memory layer comprising a first sub-memory consisting of a nonvolatile memory and a second sub-memory consisting of a volatile memory in a parallel structure positioned below the upper memory layer, and a memory management unit that controls operations of the upper memory layer and the intermediate memory layer. The intermediate memory layer is referred by the upper memory layer, and the memory management unit stores data meeting a predetermined condition among data stored in the second sub-memory into the first sub-memory in advance when a user device comprising the memory system is operating in a normal mode.

    摘要翻译： 提供具有多个存储器层的存储器系统。 存储器系统包括上部存储器层和中间存储器层，该存储器层包括由非易失性存储器构成的第一子存储器和由位于上部存储器层之下的并行结构中的易失性存储器构成的第二子存储器，以及存储器管理 控制上存储层和中间存储层的操作的单元。 中间存储器层由上存储器层参考，并且当包括存储器系统的用户设备正在操作时，存储器管理单元将预先存储在第二子存储器中的数据之间的数据预先存储到第一子存储器中 在正常模式下。

    METHOD AND APPARATUS FOR PROVIDING SHARED CACHES
    52.
    发明申请
    METHOD AND APPARATUS FOR PROVIDING SHARED CACHES 有权
    提供共享快照的方法和设备

    公开(公告)号：US20130346696A1

    公开(公告)日：2013-12-26

    申请号：US13873972

    申请日：2013-04-30

    申请人： SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY

    发明人： Jeong Ae Park ,  Sang Oak Woo ,  Seok Yoon Jung ,  Young sik Kim ,  Woo Chan Park

    IPC分类号： G06F12/08

    CPC分类号： G06F12/0811 ,  G06F12/0846 ,  G06F12/0855 ,  G06F12/0875 ,  G06F2212/455 ,  G06F2212/601

    摘要： A method and apparatus for providing shared caches. A cache memory system may be operated in a first mode or a second mode. When the cache memory system is operated in the first mode, a first cache and a second cache of the cache memory system may be operated independently. When the cache memory system is operated in the second mode, the first cache and the second cache may be shared. In the second mode, at least one bit may overlap tag bits and set index bits among bits of a memory address.

    摘要翻译： 一种用于提供共享缓存的方法和装置。 高速缓冲存储器系统可以以第一模式或第二模式操作。 当高速缓冲存储器系统在第一模式下操作时，可以独立地操作高速缓冲存储器系统的第一高速缓存和第二高速缓存。 当高速缓冲存储器系统在第二模式下操作时，可以共享第一高速缓存和第二高速缓存。 在第二模式中，至少一个位可以与存储器地址的位之间的标签位重叠并设置索引位。

    Image encoding/decoding method and device using color coordinate axis conversion
    60.
    发明授权
    Image encoding/decoding method and device using color coordinate axis conversion 有权

    公开(公告)号：US11528491B2

    公开(公告)日：2022-12-13

    申请号：US17266546

    申请日：2019-10-23

    申请人： INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY

    发明人： Oh Jin Kwon

    IPC分类号： H04N19/186 ,  H04N19/182 ,  H04N19/60

    摘要： Disclosed is image encoding/decoding method using color coordinate axis conversion, comprising the steps of: acquiring pixel distribution information, on first color coordinate system, about an image; determining, on the basis of the pixel distribution information, first component having the widest variance from among the components of the first color coordinate system; acquiring an intermediate color coordinate system by rotating, around a starting point, a coordinate axes of the first color coordinate system so that variance of the first component is maximized; determining a second component having the widest variance from among components excluding the first component in the intermediate color coordinate system; acquiring a second color coordinate system by rotating, around the starting point, a coordinate axis of the intermediate color coordinate system so that variance of the second color component is maximized; and encoding the image on the basis of pixel distribution information on the second color coordinate system.