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    Apparatus and method for searching for global minimum of point cloud registration error
    2.
    发明授权
    Apparatus and method for searching for global minimum of point cloud registration error 有权

    公开(公告)号：US11893678B2

    公开(公告)日：2024-02-06

    申请号：US17583691

    申请日：2022-01-25

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Hyuk-Min Kwon ,  Hyun-Cheol Kim ,  Jeong-Il Seo ,  Sang-Woo Ahn ,  Seung-Jun Yang

    IPC: G06T15/08 ,  G06T15/10

    CPC classification number: G06T15/08 ,  G06T15/10 ,  G06T2210/56

    Abstract: Disclosed herein are an apparatus and method for searching for a global minimum of a point cloud registration error. The apparatus includes memory in which at least one program is recorded and a processor for executing the program. The program performs collecting multiple registration results in which the registration error between a source point cloud and a target point cloud is a local minimum as candidates and selecting the registration result in which the registration error between the source point cloud and the target point cloud is a global minimum, among the candidates. Collecting the multiple registration results may comprise repeatedly randomly initializing the source point cloud and the target point cloud and registering the initialized source point cloud to the initialized target point cloud to thereby search for a registration result in which the registration error therebetween is a local minimum.

    APPARATUS AND METHOD FOR ENCODING AND DECODING MOVING PICTURE USING ADAPTIVE SCANNING
    9.
    发明申请
    APPARATUS AND METHOD FOR ENCODING AND DECODING MOVING PICTURE USING ADAPTIVE SCANNING 有权
    使用自适应扫描编码和解码移动图像的装置和方法

    公开(公告)号：US20150296223A1

    公开(公告)日：2015-10-15

    申请号：US14750202

    申请日：2015-06-25

    Applicant: Electronics and Telecommunications Research Institute ,  Kwangwoon University Research Institute for Industry Cooperation

    Inventor： Jeong-Il Seo ,  Wook-Joong Kim ,  Kyu-Heon Kim ,  Kyeong-Ok Kang ,  Jin-Woo Hong ,  Yung-Lyul Lee ,  Ki-Hun Han ,  Jae-Ho Hur ,  Dong-Gyu Sim ,  Seoung-Jun Oh

    IPC: H04N19/61 ,  H04N19/159 ,  H04N19/176 ,  H04N19/129

    CPC classification number: H04N19/61 ,  H04N19/129 ,  H04N19/159 ,  H04N19/176

    Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.

    Abstract translation: 提供了一种基于自适应扫描对运动图像进行编码/解码的装置和方法。 运动图像装置和方法可以通过对预定大小的块执行帧内预测，​​并且根据帧内预测模式对从残差信号的离散余弦变换（DCT）获取的量化和量化进行不同的量化，从而基于自适应扫描来增加压缩率 。 运动图像编码装置包括：模式选择器，用于选择和输出预测模式; 预测器，用于基于预测模式预测要编码的输入视频的像素的像素值，从而输出残差信号块; 变换/量化单元，用于对残差信号块执行DCT并量化变换的残差信号块; 以及用于基于预测模式自适应扫描和编码量化残差信号块的编码器。

    Apparatus and method for encoding and decoding moving picture using adaptive scanning
    10.
    发明授权
    Apparatus and method for encoding and decoding moving picture using adaptive scanning 有权
    使用自适应扫描对运动图像进行编码和解码的装置和方法

    公开(公告)号：US09118892B2

    公开(公告)日：2015-08-25

    申请号：US13910639

    申请日：2013-06-05

    Applicant: Electronics and Telecommunications Research Institute ,  Kwangwoon University Research Institute for Industry Cooperation

    Inventor： Jeong-Il Seo ,  Wook-Joong Kim ,  Kyu-Heon Kim ,  Kyeong-Ok Kang ,  Jin-Woo Hong ,  Yung-Lyul Lee ,  Ki-Hun Han ,  Jae-Ho Hur ,  Dong-Gyu Sim ,  Seoung-Jun Oh

    IPC: H04N19/00 ,  H04N19/129 ,  H04N19/159 ,  H04N19/176 ,  H04N19/61

    CPC classification number: H04N19/61 ,  H04N19/129 ,  H04N19/159 ,  H04N19/176

    Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.

    Abstract translation: 提供了一种基于自适应扫描对运动图像进行编码/解码的装置和方法。 运动图像装置和方法可以通过对预定大小的块执行帧内预测，​​并且根据帧内预测模式对从残差信号的离散余弦变换（DCT）获取的量化和量化进行不同的量化，从而基于自适应扫描来增加压缩率 。 运动图像编码装置包括：模式选择器，用于选择和输出预测模式; 预测器，用于基于预测模式预测要编码的输入视频的像素的像素值，从而输出残差信号块; 变换/量化单元，用于对残差信号块执行DCT并量化变换后的残差信号块; 以及用于基于预测模式自适应扫描和编码量化残差信号块的编码器。

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