公开(公告)号：US11539872B2

公开(公告)日：2022-12-27

申请号：US17279141

申请日：2018-09-28

Applicant: NEC Corporation

Inventor： Keiichi Chono ,  Masato Tsukada ,  Chisato Funayama ,  Ryuichi Akashi ,  Yuka Ogino ,  Takashi Shibata ,  Shoji Yachida ,  Hiroshi Imai ,  Emi Kitagawa ,  Yasuhiko Yoshida ,  Yusuke Mori

IPC: H04N5/232 ,  G03B13/36

Abstract: To provide a system, a method and the like for acquiring more images or more quickly focused images. A control device acquires information regarding a situation of a range captured by an imaging device, determines a mode according to an assumed situation of the range captured by the imaging device among a plurality of focusing modes, and transmits designation information specifying the determined mode to the imaging device. The imaging device receives the designation information from the control device, and captures an image using the mode specified by the received designation information.

公开(公告)号：US11412261B2

公开(公告)日：2022-08-09

申请号：US16905811

申请日：2020-06-18

Applicant: NEC Corporation

Inventor： Hirofumi Aoki ,  Keiichi Chono ,  Masato Tsukada

IPC: H04N19/68 ,  H04N19/159 ,  H04N19/105 ,  H04N19/107 ,  H04N19/50 ,  H04N19/196 ,  H04N19/70 ,  H04N19/167 ,  H04N19/174 ,  H04N19/44

Abstract: A video decoding device includes a demultiplexer which demultiplexes a video bitstream including video data of an encoded slice, Supplemental-Enhancement-Information having first information indicating a leading picture in gradual refresh, and Supplemental-Enhancement-Information having second information indicating segments where a refresh has completed in a current picture; an extractor which extracts the second information from a message which is part of the demultiplexed Supplemental-Enhancement-Information; and a video decoder which decodes image data from the demultiplexed video bitstream by using at least inter prediction, wherein the video decoder starts decoding based on the leading picture in gradual refresh.

公开(公告)号：US11348370B2

公开(公告)日：2022-05-31

申请号：US17283050

申请日：2018-10-16

Applicant: NEC Corporation

Inventor： Takashi Shibata ,  Shoji Yachida ,  Chisato Funayama ,  Masato Tsukada ,  Yuka Ogino ,  Keiichi Chono ,  Emi Kitagawa ,  Yasuhiko Yoshida ,  Yusuke Mori

IPC: G06V40/18 ,  G06V10/22 ,  G06V10/60 ,  G06V40/19 ,  G06V40/20 ,  G06V40/70 ,  G06V40/10 ,  G06V40/16

Abstract: The disclosure is inputting a first image captured an image of an authentication target; inputting a second image captured an image of a right eye or a left eye of the target; determining whether the second image is of a left eye or a right eye of the target based on information including the first image, and outputting a determination result as left/right information in association with the second image; detecting an overlap between a region including the second image and a predetermined region in the first image; calculating a verification score by comparing characteristic information that are related to the left/right information with iris characteristic information calculated from the second image, and calculating a first weighted verification score obtained by weighting the verification score with a detection result; and authenticating a target in the second image based on the first weighted verification score, and outputting an authentication result.

公开(公告)号：US20220109881A1

公开(公告)日：2022-04-07

申请号：US17554960

申请日：2021-12-17

Applicant: NEC Corporation

Inventor： Hirofumi Aoki ,  Keiichi Chono ,  Masato Tsukada

IPC: H04N19/68 ,  H04N19/50 ,  H04N19/159 ,  H04N19/196 ,  H04N19/70 ,  H04N19/105 ,  H04N19/107 ,  H04N19/167 ,  H04N19/174 ,  H04N19/44

Abstract: A video decoding device includes a demultiplexing unit which demultiplexes a video bitstream including video data of an encoded slice, first Supplemental-Enhancement-Information having information indicating segments where a refresh has completed in a current picture, and second Supplemental-Enhancement-Information having information indicating a synchronization starting picture and a synchronization completed picture, an extracting unit which extracts the information indicating segments where a refresh has completed in a current picture from a message which is part of the demultiplexed Supplemental-Enhancement-Information; and a video decoding unit which decodes image data from the demultiplexed video bitstream by using at least inter prediction, wherein the synchronization starting picture is a leading picture within a refreshing period, and the synchronization completed picture is the end position of the refreshing period.

公开(公告)号：US20220109880A1

公开(公告)日：2022-04-07

申请号：US17554944

申请日：2021-12-17

Applicant: NEC Corporation

Inventor： Hirofumi AOKI ,  Keiichi Chono ,  Masato Tsukada

IPC: H04N19/68 ,  H04N19/50 ,  H04N19/159 ,  H04N19/196 ,  H04N19/70 ,  H04N19/105 ,  H04N19/107 ,  H04N19/167 ,  H04N19/174 ,  H04N19/44

Abstract: A video decoding device includes a demultiplexing unit which demultiplexes a video bitstream including video data of an encoded slice, Supplemental-Enhancement-Information having first information indicating a refresh group of segments in gradual refresh, and Supplemental-Enhancement-Information having second information indicating segments where a refresh has completed in a current picture, an extracting unit which extracts the second information from a message which is part of the demultiplexed Supplemental-Enhancement-Information, and a video decoding unit which decodes image data from the demultiplexed video bitstream by using at least inter picture prediction.

公开(公告)号：US10116944B2

公开(公告)日：2018-10-30

申请号：US15111085

申请日：2015-01-29

Applicant: NEC Corporation

Inventor： Takayuki Ishida ,  Kensuke Shimofure ,  Naoya Tsuji ,  Suguru Nagayama ,  Keiichi Chono

IPC: H04N19/167 ,  H04N19/176 ,  H04N19/40 ,  H04N19/436 ,  H04N19/513

Abstract: A video encoding device includes: first video encoding means for encoding an input image to generate first coded data; a buffer for storing the input image; coded data transcoding means for transcoding the first coded data generated by the first video encoding means, to generate second coded data; and second video encoding means for generating a prediction signal based on the second coded data supplied from the coded data transcoding means. The first video encoding means includes: dividing means for dividing the input image into a plurality of image areas; and at least one encoding means corresponding to the image areas each of which is made up of a plurality of blocks, and for performing encoding in units of blocks. The encoding means also encodes a block that is included in an image area adjacent with a dividing line in between and is located near the dividing line.

公开(公告)号：US09936212B2

公开(公告)日：2018-04-03

申请号：US14931305

申请日：2015-11-03

Applicant: NEC CORPORATION

Inventor： Keiichi Chono ,  Yuzo Senda ,  Junji Tajime ,  Hirofumi Aoki ,  Kenta Senzaki

IPC: H04N7/12 ,  H04N19/44 ,  H04N19/182 ,  H04N19/172 ,  H04N19/91

CPC classification number: H04N19/44 ,  H04N19/00781 ,  H04N19/12 ,  H04N19/156 ,  H04N19/17 ,  H04N19/172 ,  H04N19/176 ,  H04N19/182 ,  H04N19/186 ,  H04N19/46 ,  H04N19/60 ,  H04N19/61 ,  H04N19/91

Abstract: A video encoding device includes: pixel bit length increasing means for increasing a pixel bit length of an input image based on pixel bit length increase information; transform means for transforming output data of the pixel bit length increasing means; entropy encoding means for entropy-encoding output data of the transform means; non-compression encoding means for non-compression-encoding input data; multiplexed data selection means for selecting output data of the entropy encoding means or output data of the non-compression encoding means; and multiplexing means for multiplexing the pixel bit length increase information in a bitstream, wherein a pixel bit length of an image corresponding to the output data of the entropy encoding means and a pixel bit length of an image corresponding to the output data of the non-compression encoding means are different from each other.

公开(公告)号：US09430816B2

公开(公告)日：2016-08-30

申请号：US14397202

申请日：2013-04-25

Applicant: NEC Corporation

Inventor： Kenta Senzaki ,  Masato Tsukada ,  Keiichi Chono

IPC: G06K9/40 ,  H04N5/00 ,  G06T5/00 ,  G06T7/00

CPC classification number: G06T5/002 ,  G06T2207/20016 ,  G06T2207/20024 ,  G06T2207/20182 ,  G06T2207/20192

Abstract: Disclosed is an image processing method including: generating an initial denoised image with a reduced noise while preserving an edge in an input image; controlling an iterative operation performed based on energy defined in advance based on an initial residual component calculated from the input image and the initial denoised image; and separating the initial denoised image to a skeleton component and a residual component by the controlled iterative operation to generate the skeleton component as an output image.

Abstract translation: 公开了一种图像处理方法，包括：在保持输入图像中的边缘的同时，生成具有降低的噪声的初始去噪图像; 基于从所述输入图像和所述初始去噪图像计算的初始残差分量来控制基于预先定义的能量执行的迭代操作; 以及通过所述受控迭代操作将所述初始去噪图像分离为骨架部件和残余部件，以生成所述骨架部件作为输出图像。

公开(公告)号：US20140314154A1

公开(公告)日：2014-10-23

申请号：US14359949

申请日：2012-11-12

Applicant: NEC Corporation

Inventor： Keiichi Chono

IPC: H04N19/51

CPC classification number: H04N19/523 ,  H04N19/59

Abstract: A video encoding device uses fractional pixel accuracy motion compensation prediction based on a DCT interpolation filter, and includes: a fractional pixel accuracy motion vector search unit 10 for estimating a fractional pixel accuracy motion vector using an interpolation filter 11 different from a DCT interpolation filter 21; and a fractional pixel accuracy motion compensation prediction signal updating unit 20 for updating a prediction signal of a position of the fractional pixel accuracy motion vector estimated by the fractional pixel accuracy motion vector search unit 10, with a prediction signal based on the DCT interpolation filter 21.

Abstract translation: 视频编码装置使用基于DCT内插滤波器的分数像素精度运动补偿预测，并且包括：分数像素精度运动矢量搜索单元10，用于使用不同于DCT内插滤波器21的内插滤波器11来估计分数像素精度运动矢量 ; 以及分数像素精度运动补偿预测信号更新单元20，用于使用基于DCT内插滤波器21的预测信号来更新由分数像素精度运动矢量搜索单元10估计的分数像素精度运动矢量的位置的预测信号 。

公开(公告)号：US20140307779A1

公开(公告)日：2014-10-16

申请号：US14355455

申请日：2012-10-25

Applicant: NEC Corporation

Inventor： Keiichi Chono ,  Hirofumi Aoki ,  Yuzo Senda

IPC: H04N19/70 ,  H04N19/12 ,  H04N19/13 ,  H04N19/176

CPC classification number: H04N19/463 ,  H04N19/12 ,  H04N19/156 ,  H04N19/176 ,  H04N19/70

Abstract: A video encoding device includes: a transformer for transforming an image block; an entropy encoder for entropy-encoding transformed data of the image block transformed by the transformer; a PCM encoder for PCM-encoding an image block; a multiplexed data selector for selecting output data of the entropy encoder or output data of the PCM encoder, for each block of an externally set block size; and a multiplexer for embedding a PCM header into a bitstream, in a block of the externally set block size, wherein the number of successive PCM-encoded blocks is embedded into the PCM header, and PCM data for the number of successive PCM-encoded blocks is multiplexed into the bitstream.

Abstract translation: 视频编码装置包括：变换器，用于变换图像块; 用于对由变压器变换的图像块的变换数据进行熵编码的熵编码器; 用于对图像块进行PCM编码的PCM编码器; 复用数据选择器，用于为外部设置的块大小的每个块选择熵编码器的输出数据或PCM编码器的输出数据; 以及多路复用器，用于在外部设置的块大小的块中将PCM头部嵌入到比特流中，其中连续的PCM编码块的数量被嵌入到PCM头部中，并且PCM数据用于连续的PCM编码块的数量 被复用到比特流中。