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    METHOD OF DETECTING AND CORRECTING MULTI-PATH INTERFERENCE COMPONENT IN TOF CAMERA
    66.
    发明公开
    METHOD OF DETECTING AND CORRECTING MULTI-PATH INTERFERENCE COMPONENT IN TOF CAMERA 审中-公开

    公开(公告)号：US20240248182A1

    公开(公告)日：2024-07-25

    申请号：US18532875

    申请日：2023-12-07

    Applicant: SK hynix Inc. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

    Inventor： Min Hyuk KIM ,  Daniel S. Jeon

    IPC: G01S7/487 ,  G01S7/4865 ,  G01S17/894

    CPC classification number: G01S7/487 ,  G01S7/4866 ,  G01S17/894

    Abstract: Detecting a multi-path interference component in a time-of-flight (ToF) camera may be performed by generating a confidence map in which a distortion area attributable to a multi-path interference component included in a reflection modulation signals is specified, where the reflection modulation signals is generated when two modulation signals emitted from a light source to a subject return to the ToF camera after being reflected by the subject. Correcting the multi-path interference component corrects distortion attributable to a multi-path interference component, which may include correcting only the distortion area specified in the confidence map. Detecting the multi-path interference component in a ToF camera includes collecting the reflection modulation signal at a plurality of different times, calculating amplitudes and offsets of the collected reflection modulation signals, determining whether a multi-path interference component is included in the reflection modulation signal, and generating the confidence map.

    TERNARY LOGIC ELEMENT AND TERNARY LOGIC SYSTEM INCLUDING SAME
    68.
    发明公开
    TERNARY LOGIC ELEMENT AND TERNARY LOGIC SYSTEM INCLUDING SAME 审中-公开

    公开(公告)号：US20240235554A9

    公开(公告)日：2024-07-11

    申请号：US18366119

    申请日：2023-08-07

    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

    Inventor： Yang Kyu CHOI ,  Joon Kyu HAN

    IPC: H03K19/082

    CPC classification number: H03K19/0823

    Abstract: A ternary logic element including a transistor and a switching element. The transistor includes a channel layer including silicon, an input electrode, an output electrode, and a control electrode. The switching element includes an emitter, a base extending from the emitter, and a collector extending from the base. When a first control voltage is applied to the control electrode, the ternary logic element outputs a first voltage, and when a second control voltage different from the first control voltage is applied to the control electrode, the ternary logic element outputs a second voltage different from the first voltage, and when a third control voltage different from the first control voltage and the second control voltage is applied to the control electrode, the ternary logic element outputs a third voltage different from the first voltage and the second voltage.

    CONTINUAL LEARNING METHOD AND APPARATUS
    70.
    发明公开
    CONTINUAL LEARNING METHOD AND APPARATUS 审中-公开

    公开(公告)号：US20240220809A1

    公开(公告)日：2024-07-04

    申请号：US18392227

    申请日：2023-12-21

    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

    Inventor： Changdong YOO ,  Haeyong KANG

    IPC: G06N3/091 ,  G06N3/045

    CPC classification number: G06N3/091 ,  G06N3/045

    Abstract: A computing device performs a continual learning method of learning a plurality of task in a sequential order. The computing device uses, in a forward pass of a neural network for learning a current task of the plurality of tasks, a plurality of weights including selected weights, the selected weights being selected in a previous task of the plurality of tasks, freezes the selected weights and updates weights excluding the selected weights from the plurality of weights in a backward pass of the neural network for learning the current task, obtains a binary mask for selecting some weights of the plurality of weights based on a weight score of each of the plurality of weights, and finds a subnetwork of the neural network for the current task based on the binary mask.

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