公开(公告)号：US20150323900A1

公开(公告)日：2015-11-12

申请号：US14707347

申请日：2015-05-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kwan Jung OH ,  Jae Han KIM ,  Jin Woong KIM ,  Tae One KIM ,  Kyung Ae MOON ,  Bong Ho LEE ,  Hyon Gon CHOO

IPC: G03H1/26 ,  G03H1/04 ,  G03H1/08

CPC classification number: G03H1/265 ,  G03H1/0402 ,  G03H1/0476 ,  G03H1/0891 ,  G03H2001/0473 ,  G03H2001/048 ,  G03H2001/2239

Abstract: An apparatus and method for enhancing a resolution and a wide viewing angle of a holographic system is provided, the method including determining a multiple N of a target resolution and a wide viewing angle based on a resolution of a spatial light modulator (SLM) and an angle of view of a condensing lens, generating a plurality of hogels from a target image based on the determined multiple N of the target resolution and wide viewing angle, and recording the target image on a recording medium using a condensed beam obtained from a parallel beam that loads the plurality of hogels passing through the condensing lens.

Abstract translation: 提供了一种用于增强全息系统的分辨率和宽视角的装置和方法，所述方法包括：基于空间光调制器（SLM）的分辨率确定目标分辨率的倍数N和宽视角， 聚焦透镜的视角，基于所确定的目标分辨率的多个N和宽视角从目标图像生成多个图像，并且使用从平行光束获得的聚光束将目标图像记录在记录介质上 这些加载通过聚光透镜的多个蜂巢。

公开(公告)号：US20150177686A1

公开(公告)日：2015-06-25

申请号：US14575354

申请日：2014-12-18

Applicant: Electronics and Telecommunications Research Institute

Inventor： Bong Ho LEE ,  Tae One KIM ,  Hyon Gon CHOO ,  Kwan Jung OH ,  Kyung Ae MOON ,  Jin Woong KIM

IPC: G03H1/08

CPC classification number: G03H1/0476 ,  G03H2001/0415 ,  G03H2222/18 ,  G03H2225/61

Abstract: Provided is an apparatus and method for recording holographic element images using a spatial light modulator (SLM), the apparatus including a recording light source unit to split a source beam output from a light source into a first output beam and a second output beam and output the first output beam and the second output beam, a reference beam generator to eliminate a distortion of the first output beam, and generate a reference beam by controlling a size and a shape of the distortion-eliminated first output beam, an object beam generator to generate an object beam by eliminating a distortion of the second output beam, and an object beam converging lens system to output a signal beam by modulating an object beam using a holographic element image, split the output signal beam in a plurality of directions, and converge split signal beams to be incident to a hologram film.

Abstract translation: 提供了一种使用空间光调制器（SLM）记录全息图像的装置和方法，该装置包括记录光源单元，用于将从光源输出的源光束分成第一输出光束和第二输出光束，并输出 第一输出光束和第二输出光束，参考光束发生器，用于消除第一输出光束的失真，并且通过控制失真消除的第一输出光束的大小和形状来生成参考光束;物体光束发生器， 通过消除第二输出光束的失真产生物体光束，以及物体光束会聚透镜系统，通过使用全息元件图像调制物体光束来输出信号光束，将输出信号光束分解成多个方向，并且会聚 分裂信号光束入射到全息膜。

公开(公告)号：US20150138613A1

公开(公告)日：2015-05-21

申请号：US14533608

申请日：2014-11-05

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyon Gon CHOO ,  Kyung Ae MOON ,  Min Sik PARK ,  Hyun Eui KIM ,  Jin Woong KIM

IPC: G03H1/08 ,  G03H1/22

CPC classification number: G02B27/0093 ,  G02B27/2271

Abstract: Provided are an apparatus and a method for displaying a hologram image based on pupil tracking, wherein a hologram image display apparatus includes a location determiner to determine a location of a user using a captured image of the user and a hologram information reconstructor to reconstruct first hologram information as second hologram information optimized for the location of the user to reproduce the hologram image.

Abstract translation: 提供了一种基于瞳孔跟踪显示全息图像的装置和方法，其中全息图像显示装置包括位置确定器，用于使用用户的拍摄图像确定用户的位置，以及全息图信息重建器来重建第一全息图 信息作为用于再现全息图像的用户的位置而被优化的第二全息图信息。

公开(公告)号：US20140133739A1

公开(公告)日：2014-05-15

申请号：US14061104

申请日：2013-10-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyon Gon CHOO ,  Suk Hee CHO ,  Jong Ho KIM ,  Jin Soo CHOI ,  Jin Woong KIM

IPC: G06T19/20

CPC classification number: H04N13/194 ,  H04N13/161

Abstract: The present invention relates to correcting errors of multiple stream-based 3D images. The present invention comprises a 3D image synchronizing unit which synchronizes a first image and a second image consisting the 3D image; a 3D image correcting unit which detects an error block in the first image, searches a corresponding block in the second image, and corrects the error block on the basis of the block information of said corresponding block; and a compositing unit which composites the corrected first image and the second image to generate a 3D stereoscopic image. According to the present invention, bit errors occurring when transmitting multiple stream of 3D image can be corrected, providing better quality of 3D images. Also, error correction can be easily performed by using the method of the present invention without complicated calculations.

Abstract translation: 本发明涉及校正多个基于流的3D图像的误差。 本发明包括一个3D图像同步单元，它同步一个第一图像和一个由3D图像组成的第二个图像; 3D图像校正单元，其检测第一图像中的误差块，搜索第二图像中的相应块，并根据所述对应块的块信息来校正误差块; 以及合成单元，其将经校正的第一图像和第二图像合成以生成3D立体图像。 根据本发明，可以校正当发送多个3D图像流时发生的位错误，提供更好的3D图像质量。 此外，通过使用本发明的方法，可以容易地进行纠错，而无需复杂的计算。

公开(公告)号：US20250119554A1

公开(公告)日：2025-04-10

申请号：US18912471

申请日：2024-10-10

Applicant: Electronics and Telecommunications Research Institute ,  Myongji University Industry and Academia Cooperation Foundation

Inventor： Soon Heung JUNG ,  Hyon Gon CHOO ,  Sang Kyun KIM

IPC: H04N19/167 ,  H04N19/17 ,  H04N19/463

Abstract: A image encoding method according to present disclosure may comprise encoding an image based on a region of interest (ROI) including setting a ROI group, including the region of interest, in the image; converting the image based on the ROI group; and encoding a converted image. Here, the converted image may represent an image that a position of the ROI group is moved or a copped image generated to comprise the ROI group in the image.

公开(公告)号：US20180292785A9

公开(公告)日：2018-10-11

申请号：US14533608

申请日：2014-11-05

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hyon Gon CHOO ,  Kyung Ae MOON ,  Min Sik PARK ,  Hyun Eui KIM ,  Jin Woong KIM

IPC: G03H1/08 ,  G03H1/22

Abstract: Provided are an apparatus and a method for displaying a hologram image based on pupil tracking, wherein a hologram image display apparatus includes a location determiner to determine a location of a user using a captured image of the user and a hologram information reconstructor to reconstruct first hologram information as second hologram information optimized for the location of the user to reproduce the hologram image.

公开(公告)号：US20150261186A1

公开(公告)日：2015-09-17

申请号：US14656876

申请日：2015-03-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kwan Jung OH ,  Bong Ho LEE ,  Tae One KIM ,  Hyon Gon CHOO ,  Jae Han KIM ,  Kyung Ae MOON ,  Jin Woong KIM

IPC: G03H1/30 ,  G03H1/04 ,  G03H1/22

CPC classification number: G03H1/30 ,  G03H1/0476 ,  G03H1/0808 ,  G03H2210/46 ,  G03H2240/62

Abstract: A method and apparatus for enhancing a recording speed in digital holographic image recording is provided, the method including analyzing a target image, generating a plurality of hogels from the target image, and recording the plurality of hogels on a recording medium based on a light modulation scheme, wherein the target image includes a plurality regions, and a size of the plurality of hogels differs based on the plurality of regions of the target image.

Abstract translation: 提供了一种用于提高数字全息图像记录中的记录速度的方法和装置，该方法包括分析目标图像，从目标图像生成多个图像，并且基于光调制将多个图像记录在记录介质上 方案，其中所述目标图像包括多个区域，并且所述多个漫画者的大小根据所述目标图像的所述多个区域而不同。

公开(公告)号：US20150062298A1

公开(公告)日：2015-03-05

申请号：US14467265

申请日：2014-08-25

Applicant: Electronics and Telecommunications Research Institute ,  Hidea Solutions Co., Ltd. ,  Kookmin University Industry Academy Cooperation Foundation

Inventor： Hyon Gon CHOO ,  Sung Hoon KIM ,  Joo Young LEE ,  Jin Soo CHOI ,  Jin Woong KIM ,  Jin Suk KWAK ,  Dong Wook KANG ,  Kyeong Hoon JUNG ,  Suk Jin HONG

IPC: H04N13/00

CPC classification number: H04N13/122 ,  H04N13/194 ,  H04N2213/005

Abstract: An image quality increasing apparatus for a binocular three-dimensional television (3DTV) is disclosed. The image quality increasing apparatus may include an error detection unit to detect whether a reference image includes an error, a reference information correction unit to correct reference information for increasing an image quality of an additional image based on a detection result, an image quality increasing unit to increase the image quality of the additional image corresponding to the reference information, and a three-dimensional (3D) image synthesis unit to synthesize a 3D image using the quality increased additional image and the reference image.

Abstract translation: 公开了一种用于双目立体电视（3DTV）的图像质量提高装置。 图像质量提高装置可以包括检测参考图像是否包括错误的错误检测单元，用于基于检测结果来校正用于增加附加图像的图像质量的参考信息的参考信息校正单元，图像质量增加单元 以增加与参考信息相对应的附加图像的图像质量，以及三维（3D）图像合成单元，以使用质量增加的附加图像和参考图像来合成3D图像。

公开(公告)号：US20140160240A1

公开(公告)日：2014-06-12

申请号：US14103436

申请日：2013-12-11

Applicant: Electronics and Telecommunications Research Institute ,  Kookmin University Industry Academy Cooperation Foundation ,  Hidea Solutions Co., Ltd

Inventor： Joo Young LEE ,  Sung Hoon KIM ,  Hyon Gon CHOO ,  Jin Soo CHOI ,  Jin Woong KIM ,  Suk Jin HONG ,  Dong Wook KANG ,  Kyeong Hoon JUNG

IPC: H04N13/00

CPC classification number: H04N13/178 ,  H04N13/356 ,  H04N13/398

Abstract: A boundary information providing apparatus may include a boundary information generation unit to generate boundary information of a video, the boundary information through which a switching point between a 2D video and a 3D video is recognized, based on a switching mode between the 2D video and the 3D video, and a stream transmission unit to transmit a stream including the boundary information to a video receiving apparatus.

Abstract translation: 边界信息提供装置可以包括边界信息生成单元，用于根据2D视频和2D视频之间的切换模式，生成视频的边界信息，识别2D视频和3D视频之间的切换点的边界信息 3D视频，以及流传输单元，用于将包括边界信息的流发送到视频接收设备。

公开(公告)号：US20250104249A1

公开(公告)日：2025-03-27

申请号：US18899304

申请日：2024-09-27

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hee Kyung LEE ,  Hyon Gon CHOO ,  Yeong Jun KOH ,  Jong Hyeon BAEK

IPC: G06T7/12 ,  G06V10/44 ,  G06V10/74 ,  G06V10/764 ,  G06V10/771

Abstract: The present disclosure relates to a method and apparatus for performing enhanced center-based panoptic segmentation. A method according to an embodiment of the present disclosure may comprise: extracting a plurality of image feature maps based on an input image; extracting first image feature data through a transformer-based encoder; extracting second image feature data through a pixel decoder; selecting a query set through a query selection unit; extracting an updated query set through a transformer-based decoder; and generating a predicted class and a predicted segmented image. In this regard, A selection operation may be performed on predicted classes and predicted segment images for at least one query on the object.