公开(公告)号：WO2010027143A2

公开(公告)日：2010-03-11

申请号：PCT/KR2009003191

申请日：2009-06-15

Applicant: SK TELECOM CO LTD ,  BAE TAE MEON ,  KIM KYUNG MIN

Inventor： BAE TAE MEON ,  KIM KYUNG MIN

IPC: H04N7/18

CPC classification number: H04N7/17318 ,  H04N21/2387 ,  H04N21/6587 ,  H04N21/8455

Abstract: The present invention relates to a media transmission system wherein a server selects an image frame having an image number nearest to play position information and a high compression ratio, and transmits the image frame to a user terminal when the user terminal transmits desired play position information to the server while media data streaming is being performed from the server to the user terminal, thereby moving to the scene desired by a user and playing the scene in a simple manner. The present invention also relates to a method for same. The media transmission system according to the present invention includes: a user terminal for receiving, from a user, desired position information for the media data being streamed and played, transmitting the position information, and receiving the image stream matched to the position information and playing the image stream; and a media server for searching the image stream having a high compression ratio among the image streams nearest to the position information, and streaming the searched image stream to the user terminal when the position information is received from the user terminal after streaming media data to the user terminal. The present invention provides a user with more random access points so that the user may select and view the desired scene while viewing a motion picture, prevents the degradation of the compression ratio by providing more random access points, and enables a user to easily change and view the desired scene while viewing media content.

Abstract translation: 本发明涉及一种媒体传输系统，其中服务器选择具有最接近播放位置信息和高压缩比的图像编号的图像帧，并且当用户终端将期望的播放位置信息传输到用户终端时，将图像帧传输到用户终端 当服务器正在从服务器向用户终端执行媒体数据流传输时，由此移动到用户期望的场景并以简单的方式播放场景。 本发明还涉及一种用于其的方法。 根据本发明的媒体传输系统包括：用户终端，用于从用户接收正被流式传输和播放的媒体数据的期望位置信息，传输该位置信息，以及接收匹配于该位置信息并播放的图像流 图像流; 以及媒体服务器，用于当在将媒体数据流式传输到所述位置信息之后从所述用户终端接收到位置信息时，在与所述位置信息最接近的图像流之中搜索具有高压缩比的图像流，并且将所述搜索到的图像流流式传输到所述用户终端 用户终端。 本发明为用户提供了更多的随机接入点，使得用户可以在观看运动图像的同时选择和观看期望的场景，通过提供更多的随机接入点来防止压缩比的降低，并且使得用户能够容易地改变并且 查看媒体内容时查看所需的场景。

公开(公告)号：WO2010024520A2

公开(公告)日：2010-03-04

申请号：PCT/KR2009003187

申请日：2009-06-15

Applicant: SK TELECOM CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: H04B7/26

CPC classification number: H04L1/0018 ,  H04L1/0002 ,  H04L1/0026 ,  H04L43/0894 ,  H04L65/80

Abstract: The present invention relates to a system for measuring a transmission bandwidth that calculates a transmission bandwidth not by transmitting a measurement packet to the receiving side, but rather by using a transmission packet to be transmitted to a receiving side, and streams multimedia data to the receiving side by using the transmission bandwidth, in a service for streaming multimedia data on a real-time basis, and to a method for same. The system for measuring a transmission bandwidth according to the present invention, includes: a server for transmitting packets of multimedia data to a receiving apparatus, receiving received time information on the reception of packets from the receiving apparatus, calculating a transmission bandwidth from the received time information, and streaming the multimedia data to the receiving apparatus in accordance with the calculated transmission bandwidth; and a receiving apparatus for receiving packets of the multimedia data from the server, recording received time information for each of received packets, and transmitting the received time information to the server by a predetermined cycle. According to the present invention, transmission bandwidth can be measured not by using a measurement packet, but rather by using data to be actually transmitted. Moreover, additional occupation of the transmission bandwidth due to a measurement packet can be prevented, and multimedia data streaming suited to a transmission bandwidth can be efficiently performed. Further, streaming of media suiting to a transmission bandwidth meets QoS (Quality of Service) requirements.

Abstract translation: 本发明涉及一种用于测量传输带宽的系统，其不是通过向接收侧发送测量分组来计算传输带宽，而是使用要发送到接收侧的传输分组，并将多媒体数据流传送到接收端 通过使用传输带宽，在用于实时流式传输多媒体数据的服务中，以及其方法。 根据本发明的用于测量传输带宽的系统包括：服务器，用于向接收设备发送多媒体数据分组;接收从接收设备接收分组的接收时间信息;从接收时间计算传输带宽 信息，并根据所计算的传输带宽将多媒体数据流传送到接收装置; 以及接收装置，用于从服务器接收多媒体数据的分组，记录每个接收的分组的接收时间信息，并以预定的周期将接收到的时间信息发送到服务器。 根据本发明，可以不通过使用测量分组而是通过使用要实际发送的数据来测量传输带宽。 此外，可以防止由于测量分组引起的传输带宽的附加占用，并且可以有效地执行适合于传输带宽的多媒体数据流。 此外，适用于传输带宽的媒体流满足QoS（服务质量）要求。

公开(公告)号：WO2010085043A3

公开(公告)日：2010-09-16

申请号：PCT/KR2009007424

申请日：2009-12-11

Applicant: SK TELECOM CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: H04N7/12 ,  H04N7/14 ,  H04W4/00

CPC classification number: H04W28/06 ,  H04N21/2343 ,  H04N21/2401 ,  H04N21/2662

Abstract: The present invention relates to a system and to a method for transmitting pictures, wherein a server: receives information for estimating a transmission rate, or transmission rate information estimated by the terminal, and buffer state information from a terminal; determines a transmission rate (SR) and a picture bit rate (BR) for streaming media data on the basis of the transmission rate information and the buffer state information received from the terminal; and performs a media data streaming process at the determined transmission rate (SR) and picture bit rate (BR) in a real-time motion picture data streaming service. The picture transmission system of the present invention comprises: a server which receives transmission speed information and buffer state information from a user terminal, determines a transmission rate (SR) and a picture bit rate (BR) on the basis of the received transmission rate information and buffer state information, and performs a media data streaming process at the determined transmission rate (SR) and picture bit rate (BR); and the user terminal which transmits the transmission rate information and buffer state information to the server, and receives streamed media data at the determined transmission rate (SR) and picture bit rate (BR) from the server. The present invention can transmit media pictures in a manner appropriate for the transmission bandwidth of a mobile radio network and the buffer state of the receiving terminal. Further, the present invention provides a video-streaming service adaptive to a mobile radio network. In addition, the present invention enables a continuous reproduction of video pictures in the receiving terminal in a real-time video picture streaming.

Abstract translation: 本发明涉及一种用于发送图像的系统和方法，其中服务器：接收用于估计传输速率的信息或由终端估计的传输速率信息，以及来自终端的缓冲状态信息; 基于从终端接收的传输速率信息和缓冲器状态信息，确定用于流媒体数据的传输速率（SR）和图像比特率（BR）; 并且以实时运动图像数据流服务中的确定的传输速率（SR）和图像比特率（BR）执行媒体数据流处理。 本发明的图像传输系统包括：从用户终端接收传输速度信息和缓冲状态信息的服务器，根据接收到的传输速率信息确定传输速率（SR）和图像比特率（BR） 和缓冲状态信息，并以确定的传输速率（SR）和画面比特率（BR）进行媒体数据流处理。 以及向服务器发送传输速率信息和缓冲器状态信息的用户终端，并且以所确定的传输速率（SR）和图像比特率（BR）从服务器接收流媒体数据。 本发明可以以适合于移动无线电网络的传输带宽和接收终端的缓冲状态的方式发送媒体图像。 此外，本发明提供适用于移动无线电网络的视频流传输服务。 此外，本发明能够在实时视频图像流中连续再现接收终端中的视频图像。

公开(公告)号：WO2010062027A1

公开(公告)日：2010-06-03

申请号：PCT/KR2009005166

申请日：2009-09-11

Applicant: SK TELECOM CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: H04N7/26

CPC classification number: H04N19/122 ,  H04N19/156 ,  H04N19/164 ,  H04N19/44

Abstract: The present invention relates to an apparatus and to a method for motion estimation-based encoding/decoding, which estimate a motion and perform an encoding operation based on a photo core transform and a photo overlap transform in a motion picture encoding process, and perform a motion compensation and a decoding operation in a motion picture decoding process, thereby removing the temporal and spatial redundancy of the motion picture. The image processing system according to the present invention comprises: an image encoding apparatus which transforms the input image based on a motion estimation through a photo core transform and a photo overlap transform, encodes the image by a variable length coding technique, and outputs a bit stream; and an image decoding apparatus which performs a motion compensation and a decoding operation on the bit stream received from the image encoding apparatus. The present invention enables a video reproduction or compression through a video codec of a low complexity even in a low performance mobile device, and prolongs the useful life of a battery.

Abstract translation: 本发明涉及一种用于基于运动估计的编码/解码的装置和方法，其基于运动图像编码处理中的照片核心变换和照片重叠变换来估计运动并执行编码操作，并且执行 运动补偿和运动图像解码处理中的解码操作，从而消除运动图像的时间和空间冗余。 根据本发明的图像处理系统包括：图像编码装置，其基于通过光核心变换和光重叠变换的运动估计来变换输入图像，通过可变长度编码技术对图像进行编码，并输出位 流; 以及对从图像编码装置接收的比特流执行运动补偿和解码操作的图像解码装置。 本发明能够通过即使在低性能移动设备中的低复杂度的视频编解码器进行视频再现或压缩，并且延长了电池的使用寿命。

公开(公告)号：WO2011093629A2

公开(公告)日：2011-08-04

申请号：PCT/KR2011000500

申请日：2011-01-25

Applicant: SK TELECOM CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: G06F15/16 ,  G06F9/06 ,  H04N7/173

CPC classification number: H04N7/17336 ,  H04N21/234363 ,  H04N21/234381 ,  H04N21/25825 ,  H04N21/6582

Abstract: The present invention relates to a rich media service method and system using media streaming, which has a function of reproducing on a server rich media composed of a combination of texts, audio, images and video, receives resolution information from a user device, produces streaming data out of the rich media by modifying the size of an image and the frame rate suitable for the resolution of the user device, and then streams the produced data to the user device. In the rich media service using media streaming according to the present invention, a user device transmits device information including resolution, size of an image, frame rate and user input method to request a rich media service; while a rich media service server modifies the resolution, the size of an image, the frame rate and the like to be suitable for the device information, on the basis of the device information having been transmitted from the user device, for the rich media to be provided to the user device and then encodes the modified rich media into streaming data to be streamed to the user device by way of streaming. According to the present invention, the service provider can provide an interactive rich media service without having to develop a rich media application for different terminals respectively, upgrade the rich media service, and support the bug path without installing a new application on the terminal. As a result, the service provider can easily provide the rich media service to many diverse terminals, and a user can receive the rich media service, regardless of the performance of his terminal.

Abstract translation: 本发明涉及使用媒体流的富媒体服务方法和系统，其具有在由文本，音频，图像和视频的组合组成的服务器富媒体上再现的功能，从用户设备接收分辨率信息，产生流 通过修改图像的尺寸和适合于用户设备的分辨率的帧速率从富媒体中输出数据，然后将产生的数据流传送到用户设备。 在根据本发明的使用媒体流的富媒体服务中，用户设备发送包括分辨率，图像大小，帧速率和用户输入方法的设备信息，以请求富媒体服务; 而富媒体服务服务器根据从用户设备发送的设备信息，将富媒体修改分辨率，图像大小，帧速率等以适合于设备信息，将富媒体修改为 提供给用户设备，然后将经修改的富媒体编码为流数据，以流式传输到用户设备。 根据本发明，服务提供商可以提供交互式富媒体服务，而不必分别开发用于不同终端的富媒体应用，升级富媒体服务，支持错误路径，而无需在终端上安装新应用。 结果，服务提供商可以容易地向许多不同的终端提供富媒体服务，并且用户可以接收富媒体服务，而不管他的终端的性能如何。

公开(公告)号：WO2010027142A3

公开(公告)日：2010-04-29

申请号：PCT/KR2009003190

申请日：2009-06-15

Applicant: SK TELECOM CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: H04N7/24

CPC classification number: H04N21/2662 ,  H04N21/21805 ,  H04N21/234327

Abstract: The present invention relates to a transmitting/receiving system and a transmitting/receiving method for multi-view video. The transmitting/receiving system for multi-view video according to the present invention includes a communication terminal and a multi-view video transmission system. The communication terminal transmits a motion picture request message containing relevant time information to the multi-view video transmission system and receives an improved layer bitstream of the relevant time, when the output of a motion picture for another time is requested through a communication network while the motion picture of the basic layer received through a broadcast network is being decoded and output. The multi-view video transmission system encodes the basic motion picture among the motion pictures taken by a plurality of photographing means to a basic layer, provides the basic motion picture to the communication terminal through the broadcast network, encodes the motion picture of another time to the improved layer bitstream using encoding information of the basic layer, and selects the improved layer bitstream of the relevant time and provides the selected bitstream to the communication terminal through the communication network, when the motion picture request message is received from the communication terminal. Thereby, the present invention transmits additional motion picture information through a communication network to enable a user to view the motion picture of the time desired by the user, in the event that the user wants to view the motion picture of another time while viewing a motion picture via a broadcast network.

Abstract translation: 多视点视频的发送/接收系统和发送/接收方法技术领域本发明涉及用于多视点视频的发送/ 根据本发明的用于多视点视频的发送/接收系统包括通信终端和多视点视频传输系统。 当通过通信网络请求另一时间的运动图像的输出时，通信终端将包含相关时间信息的运动图像请求消息发送到多视点视频传输系统，并且接收相关时间的改进的层比特流，同时 正在解码并输出通过广播网络接收的基本层的运动图像。 多视点视频传输系统将由多个拍摄装置拍摄的运动图像之中的基本运动图像编码为基本层，通过广播网络将基本运动图像提供给通信终端，将另一时间的运动图像编码为 该改进的层比特流使用基本层的编码信息，并且当从通信终端接收到运动图像请求消息时，选择相关时间的改进层比特流并且通过通信网络将选择的比​​特流提供给通信终端。 从而，本发明通过通信网络发送附加运动图像信息，以使用户能够在观看运动的同时观看另一时间的运动图像的情况下观看用户期望的运动图像 通过广播网络传输图片。

公开(公告)号：WO2010024521A3

公开(公告)日：2010-04-22

申请号：PCT/KR2009003188

申请日：2009-06-15

Applicant: SK TELECOM CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: H04B7/26

CPC classification number: H04L1/0018 ,  H04L1/0002 ,  H04L1/0026 ,  H04L43/0894 ,  H04L65/80

Abstract: The present invention relates to a system for measuring a transmission bandwidth that calculates a transmission bandwidth not by transmitting a measurement packet to the receiving side, but rather by using a transmission packet to be transmitted to a receiving side, and streams media data to the receiving side by using the transmission bandwidth, in a service for streaming media data such as motion pictures or the like, on a real-time basis, as well as to a method for same. The system for measuring a transmission bandwidth according to the present invention includes: a server for transmitting a pair of data packets to a receiving apparatus, receiving received time information on the reception of the data from the receiving apparatus, calculating a transmission bandwidth on the basis of the received time information, and streaming the media to the receiving apparatus by using the calculated transmission bandwidth; and a receiving apparatus for receiving the transmitted data, recording received time information for each of the transmitted data packets, transmitting the recorded received time information to the server by a predetermined cycle, and receiving streaming media from the server. According to the present invention, transmission bandwidth can be measured not by using a measurement packet, but rather by using data to be actually transmitted. Moreover, the loss of bandwidth caused by additional measurement packets can be prevented, and streaming media such as motion pictures or the like which is suited to a transmission bandwidth can be efficiently performed. Further, streaming of media suiting to a transmission bandwidth meets QoS (Quality of Service) requirements.

Abstract translation: 本发明涉及一种测量传输带宽的系统，该系统不通过向接收侧发送测量分组而是通过使用要发送到接收侧的传输分组来计算传输带宽，并且将媒体数据流传输到接收侧 通过使用传输带宽，在诸如运动图像等的流媒体数据的服务中，实时地提供服务侧以及用于其的方法。 根据本发明的用于测量传输带宽的系统包括：服务器，用于向接收设备传输一对数据分组，接收从接收设备接收到的数据的接收时间信息，基于此计算传输带宽 通过使用所计算的传输带宽将媒体流式传输到接收设备; 以及接收装置，用于接收发送的数据，记录每个发送的数据分组的接收时间信息，以预定周期向服务器发送记录的接收到的时间信息，并且从服务器接收流媒体。 根据本发明，可以不通过使用测量分组来测量传输带宽，而是通过使用要实际传输的数据来测量传输带宽。 此外，可以防止由附加测量分组引起的带宽损失，并且可以有效地执行适合于传输带宽的诸如运动图片等的流媒体。 此外，适合传输带宽的媒体流式传输符合QoS（服务质量）要求。

公开(公告)号：WO2012141551A2

公开(公告)日：2012-10-18

申请号：PCT/KR2012002861

申请日：2012-04-16

Applicant: SK PLANET CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/139 ,  H04N19/107 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/187 ,  H04N19/30 ,  H04N19/31 ,  H04N19/40 ,  H04N19/42 ,  H04N19/51 ,  H04N19/61

Abstract: The present invention relates to a high speed scalable video coding device and method using a multi-track video, and the scalable video encoding device comprises: a video array unit for arraying a multi-track video into a plurality of layers according to a set standard; a bit stream analyzing unit for analyzing each layer of a bit stream and extracting encoding information including an encoding mode and prediction information; a layer for carrying out scalable video encoding; and a scalable video coding (SVC) encoding unit for determining the encoding mode using the encoding information of an upper or a lower layer of a layer carrying out the scalable video encoding, and for encoding in the determined encoding mode. The scalable video encoding device and method of the present invention enhance the speed of encoding a multi-track video into a scalable video by using the encoding information of a standard multi-track video.

Abstract translation: 本发明涉及一种使用多轨视频的高速可伸缩视频编码装置和方法，并且可分级视频编码装置包括：用于根据设定标准将多轨视频排列成多个层的视频阵列单元 ; 比特流分析单元，用于分析比特流的每一层，并提取包括编码模式和预测信息的编码信息; 用于执行可伸缩视频编码的层; 以及可扩展视频编码（SVC）编码单元，用于使用执行可分级视频编码的层的上层或下层的编码信息来确定编码模式，并且以所确定的编码模式进行编码。 本发明的可扩展视频编码设备和方法通过使用标准多轨视频的编码信息来增强将多轨视频编码成可缩放视频的速度。

公开(公告)号：WO2012141552A3

公开(公告)日：2013-01-10

申请号：PCT/KR2012002862

申请日：2012-04-16

Applicant: SK PLANET CO LTD ,  BAE TAE MEON

Inventor： BAE TAE MEON

IPC: H04N7/24

CPC classification number: H04N19/00206 ,  H04N19/124 ,  H04N19/13 ,  H04N19/15 ,  H04N19/156 ,  H04N19/164 ,  H04N19/40 ,  H04N19/61

Abstract: The present invention relates an adaptive video transcoding method and system, the method and the system for considering an available network bandwidth, a characteristic of a video, and a calculated load of a server, and adaptively controlling an encoding option of a transcoder, when carrying out a video transcoding such as a decoding of a video and video editing, and an encoding process, so as to enable a transcoding of a maximum number of videos in a limited environment. The adaptive video transcoding system according to the present invention comprises: a video transcoding device for calculating a minimum required compression rate required by a measured streamable bandwidth, selecting, as a transcoding encoding option, each of encoding options making up an encoding option combination with the lowest CPU usage rate of when at least one encoding option, from an encoding option combination having a greater compression rate of when at least one encoding option is combined and encoded, than the minimum required compression rate, is combined and encoded, and using the selected transcoding encoding option to transcode and transmit the video contents to a user terminal; and a user terminal for receiving and displaying the video contents transcoded according to the transcoding encoding option from the video transcoding device.

Abstract translation: 本发明涉及一种自适应视频转码方法和系统，用于考虑可用网络带宽的方法和系统，视频的特性和服务器的计算负载，以及在携带时自适应地控制代码转换器的编码选项 进行诸如视频和视频编辑的解码的视频转码和编码处理，以便能够在有限的环境中进行最大数量的视频的转码。 根据本发明的自适应视频代码转换系统包括：视频代码转换装置，用于计算测量的流可用带宽所需的最小所需压缩率，选择构成编码选项组合的编码选项作为代码转换编码选项， 当将来自具有比最小所需压缩率的至少一个编码选项具有更高压缩率的编码选项组合的至少一个编码选项时的最低CPU使用率组合和编码，并且使用所选择的 转码编码选项将视频内容转码并发送到用户终端; 以及用户终端，用于根据来自视频代码转换装置的代码转换编码选项来接收和显示被转码的视频内容。