Abstract:
A method for outputting digital signage is disclosed. An apparatus for outputting digital signage loads divided images corresponding to the number of PC cluster-based graphic apparatuses, performs an output process on the loaded image, outputs the outputted images to a multi-panel based on a synchronized signal, and can display a high definition digital signage image by using a low end PC cluster.
Abstract:
Disclosed are a digital signage effect analyzing method and a system thereof capable of easily and separately having an effect which is caused by the introduction of a digital signage. The digital signage effect analyzing method includes the following steps of: receiving information of a subject person who uses a digital signage device from the digital signage device; receiving sale object information from a sale object information providing device; analyzing the subject person information and the received sale object information; analyzing the effect of a digital signage based on the analysis result; and transmitting generated content to the digital signage device after generating the content based on the effect analysis of the digital signage. Thereby the present invention is able to easily analyze an effect which is cause by the introduction of a digital signage, a relation between an object which reacts to an advertisement and an advertisement target, a sale increase effect, etc.
Abstract:
본 발명은 ISDB-T 및 디지털 시네마용 마스터링 시스템의 비디오 부호화기의 H.264 부호화 시스템에서 비트 발생 가능성을 블록간 평균과 분산으로 예측하여 블록에 대한 비트율 제어량을 결정하는 방법이다. 상기 동영상 부호기에서 대블록을 위한 비트율 제어 방법은 초기화 이후, 16x16 블록의 움직임 벡터를 예측하는 단계와, 상기 16x16 블록의 움직임 벡터 예측 결과에서 각 4x4 블록의 평균과 분산을 계산하는 단계와, 가우시안 분포에서 사용하는 상기 평균과 분산 정보를 사용하여 비트 발생 예측치를 계산하는 단계와, 상기 비트 발생 예측치와 상기 분산을 곱함으로써 비트 발생량의 강도를 계산하는 단계와. 상기 비트 발생량의 강도에 기초하여 양자화 계수 제어값을 구하는 단계와, 상기 양자화 계수 제어값에 따라 영상에 대한 비트율을 제어하는 단계를 포함한다. 이러한 본 발명은 동영상 부호화에서 첫 번째 16x16 블록 연산만으로 P 및 B 프레임에서 I 블록을 제외한 블록 모드에 대한 비트율 제어량을 고속으로 결정할 수 있으므로 비트율 제어를 위한 이산 여현 연산(DCT)과 양자화 연산 혹은 Two-pass 비트율 제어등이 필요 없기 때문에 연산량이 획기적으로 감소하고 이에 따라 계산 시간을 획기적으로 줄일 수 있다.
Abstract:
본 발명은 기기간 디지털콘텐츠 공유 장치, 시스템 및 공유방법에 관한 것으로서, 보다 상세하게는 DRM 등으로 암호화된 디지털콘텐츠를 DRM에 관계없이 재생 기기 사이에서 공유시키는 기술에 관한 것이다. 이를 위해, 암호화된 디지털 콘텐츠를 재생하는 제1 기기에 포함된 디지털콘텐츠 공유장치를 이용하여, 제1 기기의 암호화된 디지털 콘텐츠를 제2 기기에서도 재생시킬 수 있는 기기간 디지털콘텐츠 공유 시스템으로서, 제1 기기에 포함된 디지털콘텐츠 공유모듈은, 암호화된 디지털 콘텐츠를 수신하는 수신부와, 암호화된 디지털 콘텐츠를 해독하는 암호해독부와, 유출경로 추적용 정보를 토대로 암호가 해독된 디지털 콘텐츠에 핑거프린트를 삽입하여 저장하는 핑거프린팅부와, 핑거프린트가 삽입된 디지털 콘텐츠를 제2 기기로 전송하는 전송부를 포함하는 것인 기기간 디지털콘텐츠 공유 시스템 등을 제공한다. 암호화, DRM, 디지털, 콘텐츠, 기기, 공유, 핑거프린팅
Abstract:
PURPOSE: A bit rate controlling method for a block of a video encoding device is provided to determine an control amount of bit ratio for a block mode except for an I block in P and B frames. CONSTITUTION: A video encoding device predicts a motion vector of 16x16 block(404). The video encoding device calculates the average and dispersion of 16x16 block in a motion vector prediction result(406). The video encoding device calculates a bit generation prediction value(410,412). The video encoding device calculates the intensity of bit generation quantity(414). The video encoding device calculates a quantization coefficient control value(416). The video encoding device controls bit rate about an image.
Abstract:
PURPOSE: A digital cinema content production and play method and an apparatus using the same are provided to encode and play 2K resolution data by extracting the 2K resolution data from 4K resolution digital cinema contents. CONSTITUTION: A production server creates first resolution frame data(S601). The production server extracts length information of second resolution frame data from the first resolution frame data(S602). The production server creates an encrypted triplet(S604). The production server performs an MXF(Material eXchange Format) wrapping process from the encrypted triplet(S605). The production server performs a DCP(Digital Cinema Package) packaging process of an MXF file(S606).
Abstract:
PURPOSE: A cinema contents processing device and method is provided to enable a user to experience the high-definition contents by using the media contents which is converted from the digital cinema contents. CONSTITUTION: A contents analyzer(100) extracts an encryption key, contents data and conversion media information and authority information from the cinema contents. A decoder(101) decodes the contents data based on the cryptographic key. A media generator(102) converts the decoded contents data based on the media information to be converted and generates the distributable media contents. A authority information processor(103) unites the authority information and the distributable media contents and generates the package media contents.
Abstract:
PURPOSE: An apparatus and a method for transforming DRM(Digital Rights Management) contents are provided to convert the DRM contents proper to the DRM format of a corresponding DRM device so that the converted DRM contents can be provided to a DRM device which authenticates a regal use right. CONSTITUTION: A data manager(220) encodes DRM contents, which is uploaded from an authenticated DRM device, by using an encryption key, and manages and stores the encoded DRM contents. The data manager decodes the DRM contents, which is stored during downloading, by using the encryption key. A data converter(230) converts the DRM contents applied from the data manager to be proper to the DRM format of the DRM device.
Abstract:
A packing/unpacking apparatus for the protection of an H.264 video file and a method thereof are provided to generate a video encrypted in a file format with the same structure as an original video file by using encryption video data, non-encryption video data, and metadata descriptor information under a service environment that the H.264 video file is provided in a VOD(Video On Demand) method, thereby protecting the H.264 video file using an existing streaming system. A metadata generator(120) receives video contents information and encryption information to generate a metadata descriptor to be inserted to a video. A stream analysis unit(110) analyzes an HY.264 video received by using the encryption information transmitted from the metadata generator to search for an encryption area. An encryption unit(130) encrypts the encryption area of the video transmitted from the stream analysis unit by using the encryption information transmitted from the metadata generator. A file generator(140) constitutes the same structure of file as an original file by using the meta descriptor transmitted from the metadata generator, non-encryption video data transmitted from the stream analysis unit, and encryption video data transmitted from the encryption unit to generate an encrypted video file.
Abstract translation:提供了一种用于保护H.264视频文件的打包/解包装置及其方法,以通过使用加密视频数据,非加密视频数据来生成以与原始视频文件相同结构的文件格式加密的视频 ,以及在视频点播(Video On Demand)方式中提供H.264视频文件的服务环境下的元数据描述符信息,从而使用现有流系统保护H.264视频文件。 元数据生成器(120)接收视频内容信息和加密信息,以生成要插入视频的元数据描述符。 流分析单元(110)分析通过使用从元数据生成器发送的加密信息来接收的HY.264视频来搜索加密区域。 加密单元(130)通过使用从元数据生成器发送的加密信息来加密从流分析单元发送的视频的加密区域。 文件生成器(140)通过使用从元数据生成器发送的元描述符构成与原始文件相同的文件结构,从流分析单元发送的非加密视频数据和从加密单元发送的加密视频数据生成 一个加密的视频文件。