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    • 22. 发明公开
    • 회귀 베지어 패치 분할에 기반하는 기하 보정 장치 및 방법
    • 几何校正装置和方法基于回顾性的贝茨分配子
    • KR1020130054868A
    • 2013-05-27
    • KR1020110120519
    • 2011-11-17
    • 한국전자통신연구원내셔널 유니버시티 오브 사이언시즈 앤드 테크놀로지
    • 조용주차지훈기명석임성용이용주백승권김진웅
    • H04N5/74G06T3/00H04N1/387
    • H04N17/04H04N9/3185H04N9/3194
    • PURPOSE: A geometrical correction device based on recursive Bezier patch sub-division and a method thereof are provided to display projected content on an uneven surface without distortion. CONSTITUTION: A geometrical correction device receives a first image that a projector photographs a black screen from a camera(501). The geometrical correction device receives a second image, which photographs a predetermined pattern, from the camera(502). The geometrical correction device generates a third image by deducting the first image from the second image(503). The geometrical correction device performs geometrical correction for the predetermined pattern in order to correct distortion between the predetermined pattern and the third image(504). [Reference numerals] (501) Receive a first image photographing a black screen from a camera; (502) Receive a second image photographing a predetermined pattern from the camera; (503) Generate a third image by deducting the first image from the second image; (504) Perform geometrical correction for the predetermined pattern; (AA) Start; (BB) End
    • 目的:提供一种基于递归贝塞尔贴片子分割的几何校正装置及其方法,用于在不平坦表面上显示投影内容而不失真。 构成:几何校正装置接收投影仪从相机拍摄黑屏的第一图像(501)。 几何校正装置接收来自照相机(502)的预定图案的第二图像。 几何校正装置通过从第二图像(503)中扣除第一图像来生成第三图像。 几何校正装置对预定图案执行几何校正,以便校正预定图案和第三图像之间的失真(504)。 (附图标记)(501)从相机接收拍摄黑屏的第一图像; (502)从相机接收拍摄预定图案的第二图像; (503)通过从第二图像中扣除第一图像来生成第三图像; (504)对预定图案执行几何校正; (AA)开始; (BB)结束
    • 24. 发明公开
    • 차이 정보를 사용한 3차원 영상 정보 전송 시스템 및 방법
    • 使用差异信息发送三维图像信息的系统和方法
    • KR1020120129313A
    • 2012-11-28
    • KR1020110047485
    • 2011-05-19
    • 한국전자통신연구원경희대학교 산학협력단상명대학교산학협력단
    • 추현곤김진웅민성욱정재현염지운조용주김민영
    • H04N13/00
    • H04N19/597H04N13/161H04N2213/003
    • PURPOSE: A three-dimensional image information transmission system and a method thereof are provided to transmit three-dimensional image information of small data quantity by transmitting three-dimensional image information by using difference information between a left eye texture image and a right eye texture image. CONSTITUTION: A difference information extracting unit(240) extracts difference information in comparison with a second synthesis texture image and a second original texture image. The second synthesis texture image is synthesized based on a first texture image and depth information. An image information transmitting unit(250) transmits three-dimensional image information including the first texture image, the depth information, and the difference information. The difference information is included in the second original texture image. The difference information is not included in the first texture image. [Reference numerals] (110) 3D image information transfer device; (210) Texture image filming unit; (220) Depth information generating unit; (230) Texture image synthesizing unit; (240) Difference information extracting unit; (250) Image information transmitting unit
    • 目的:提供三维图像信息传输系统及其方法,通过使用左眼纹理图像和右眼纹理图像之间的差分信息来发送三维图像信息来发送小数据量的三维图像信息 。 构成:与第二合成纹理图像和第二原始纹理图像相比较,差分信息提取单元(240)提取差异信息。 基于第一纹理图像和深度信息合成第二合成纹理图像。 图像信息发送单元(250)发送包括第一纹理图像,深度信息和差异信息的三维图像信息。 差异信息被包括在第二原始纹理图像中。 差分信息不包括在第一纹理图像中。 (附图标记)(110)3D图像信息传送装置; (210)纹理图像拍摄单元; (220)深度信息生成部; (230)纹理图像合成单元; (240)差分信息提取单元; (250)图像信息发送单元
    • 26. 发明公开
    • 적응적 비디오 전송을 위한 코딩 레이트 조정 및 차등 오류 보호 적용 방법과, 그를 이용한 비디오 전송/수신 장치
    • 用于调整自适应视频传输的编码率和不正常错误保护的方法,以及使用它们的视频传输/接收装置
    • KR1020100081920A
    • 2010-07-15
    • KR1020090127232
    • 2009-12-18
    • 한국전자통신연구원
    • 조용주홍진우이한규
    • H03M13/11
    • H04N19/103H03M13/356H04L1/0013H04N19/196
    • PURPOSE: Coding rate control, an unequal error protection application method and a video transceiving device using the same are provided to apply unequal error protection according to the property of a frame by optimally adjusting video/channel coding rate through a channel capacity estimation value if the channel capacity estimated from a video receiving device is received. CONSTITUTION: A channel capacity estimation value fed back from a video receiving device is predicted as the channel capacity of the next channel section(312). Video coding rate and channel coding rate are adjusted within the predicted channel capacity(314). Video frames are encoded with the adjusted video coding rate, and video packet is generated(316). An unequal error is protected considering the length of the video packet and the kind of the video frame included in the video packet(318). The video packet which the unequal error is protected is encoded with the adjusted channel coding rate and bit stream is generated(320).
    • 目的:提供编码速率控制,不平等的误差保护应用方法和使用它的视频收发设备,通过通过信道容量估计值来最佳地调整视频/信道编码率,根据帧的属性应用不相等的错误保护,如果 从视频接收装置估计的信道容量被接收。 构成:从视频接收装置反馈的信道容量估计值被预测为下一个信道部分(312)的信道容量。 视频编码率和信道编码率在预测的信道容量内进行调整(314)。 以调整后的视频编码率对视频帧进行编码,生成视频数据包(316)。 考虑到视频分组的长度以及包含在视频分组中的视频帧的类型,保护不平等的错误(318)。 对不平等错误进行保护的视频数据包用调整后的信道编码速率进行编码,生成位流(320)。