JP2006527975A - 圧縮ビデオの高速チャンネル変更を可能にする復号化方法および装置 - Google Patents
圧縮ビデオの高速チャンネル変更を可能にする復号化方法および装置 Download PDFInfo
- Publication number
- JP2006527975A JP2006527975A JP2006517239A JP2006517239A JP2006527975A JP 2006527975 A JP2006527975 A JP 2006527975A JP 2006517239 A JP2006517239 A JP 2006517239A JP 2006517239 A JP2006517239 A JP 2006517239A JP 2006527975 A JP2006527975 A JP 2006527975A
- Authority
- JP
- Japan
- Prior art keywords
- stream
- normal
- channel change
- image
- decoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/162—User input
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/39—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/527—Global motion vector estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2365—Multiplexing of several video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4347—Demultiplexing of several video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
- H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8451—Structuring of content, e.g. decomposing content into time segments using Advanced Video Coding [AVC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
- H04N21/2355—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages
- H04N21/2356—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages by altering the spatial resolution
Abstract
Description
冗長符号化画像(redundant coded picture):画像または画像の一部の符号化(コード化)された表示。冗長符号化画像の内容は、この勧告|国際規格に従うビットストリームのための復号化プロセスによって使用されない。冗長符号化画像は、一次(プライマリ)符号化画像内のすべてのマクロブロックを含むことを要求されない。冗長符号化画像は、復号化プロセスに規準となる効果を及ぼさない。一次符号化画像も参照のこと。
一次符号化画像に属するスライスとスライス・データの区画(パーティション)に対するredundant_pic_cntは0に等しい。冗長符号化画像内の符号化スライスと符号化スライス・データの区画に対するredundant_pic_cntは0より大きい。redundant_pic_cntが存在しなければその値は0に等しいと推測される。redundant_pic_cntの値は0〜127の範囲にある。
− もしスライス・データの区画(A RBSP)のシンタクス(syntax:構文)要素が、そのスライス・データ内にカテゴリ3のシンタクス要素の存在を示すなら、スライス・データの区画(B RBSP)が存在し、スライス・データの区画(A RBSP)におけるのと同じ値のslice_idおよびredundant_pic_cntを有する。
− もしそうでなければ(スライス・データの区画A RBSPのシンタクス要素が、そのスライス・データ内にカテゴリ3のシンタクス要素の存在を示さなければ)、スライス・データの区画(A RBSP)と同じ値のslice_idとredundant_pic_cntを有するスライス・データの区画(B RBSP)は存在しない。
従来技術のこれらのおよびその他の欠点および不利な点は、圧縮されたビデオの高速チャンネル変更を行う装置と方法により対処される。
Claims (12)
- 圧縮されたストリーム・データを受信し、復元されたビデオ出力を発生するビデオ・デコーダ(200)であって、
圧縮されたストリーム・データを受信し、通常ストリームとチャンネル変更ストリームを分離するデマルチプレクサ(210)と、
前記デマルチプレクサに結合され、圧縮された通常ストリームとチャンネル変更ストリームのうち少なくとも1つを選択可能に受信し、復元されたビデオ出力を発生する通常デコーダ(212)と、
前記通常デコーダに結合され、参照画像を記憶する少なくとも1つの通常フレーム・ストア(記憶装置)と、から成る、前記ビデオ・デコーダ(200)。 - デマルチプレクサに結合され、圧縮されたチャンネル変更ストリームを受信する低解像度のデコーダ(618)と、
前記低解像度デコーダに結合され、参照画像を記憶する少なくとも1つのチャンネル変更フレーム・ストア(620)と、
前記低解像度デコーダに結合され、復元されたビデオ・データをアップサンプリングし、前記通常フレーム・ストアとディスプレイのうち少なくとも1つに前記データを選択可能に出力するアップサンプリング・ユニット(622)と、を更に具える、請求項1記載のビデオ・デコーダ。 - 前記通常デコーダに接続され、復元したビデオ・データを後処理し、前記少なくとも1つの通常フレーム・ストアとディスプレイのうち少なくとも1つに前記データを選択可能に出力する後処理フィルタ(716)を更に具える、請求項1記載のビデオ・デコーダ。
- 通常ストリームとチャンネル変更ストリームのうち1つから復号化するための圧縮された画像を選択する手段を更に具える、請求項1記載のビデオ・デコーダ。
- 低解像度のチャンネル変更ストリームの画像をアップサンプリングする手段を更に具える、請求項4記載のビデオ・デコーダ。
- ITU‐TH.264[ISO/IEC MPEG14496‐10?] 規格に従う、冗長画像のシンタクスを復号化する手段を更に具える、請求項1記載のビデオ・デコーダ。
- チャンネル変更画像を、対応する通常ストリーム画像のユーザ・データから復号化する手段を更に具える、請求項1記載のビデオ・デコーダ。
- 通常ストリームまたはチャンネル変更ストリームの画像を後続するチャンネル変更ストリームのイントラ符号化された画像(Iピクチャ)のために使用すべきかを表示する、エンコーダからの信号に応答する手段を更に具える、請求項1記載のビデオ・デコーダ
- 通常デコーダの出力を後処理し、低画質の出力から通常画質の出力への急な移行を減じる手段を更に具える、請求項4記載のビデオ・デコーダ
- 圧縮されたストリーム・データを受信し復元されたビデオ出力を発生する、ビデオを復号化する方法(900)であって、
圧縮されたストリーム・データを受信し(912)、通常ストリームとチャンネル変更ストリームを分離するステップ(914)と、
圧縮された通常ストリームとチャンネル変更ストリームのうち少なくとも1つを受信し復元されたビデオ出力を発生するステップ(916)と、
インター符号化された画像の復号化に使用する参照画像を記憶するステップ(918)と、から成る、前記ビデオ復号化方法(900)。 - 通常ストリームとチャンネル変更ストリームのうちの1つから復号化するための圧縮された画像を選択するステップ、
低解像度のチャンネル変更ストリームの画像をアップサンプリングするステップ、
JVT規格に従う冗長画像のシンタクスを復号化するステップ、
チャンネル変更画像を対応する通常ストリームの画像のユーザ・データから復号化するステップ、
通常ストリームまたはチャンネル変更ストリームの画像を、後続するチャンネル変更ストリームのイントラ符号化画像(Iピクチャ)のために使用すべきかを表示するエンコーダからの信号に応答するステップ、および
通常デコーダの出力を後処理し、低画質から通常画質の出力への急な移行を減じるステップ、のうちの少なくとも1つを更に含む、請求項10記載のビデオ復号化方法。 - 通常画質のビデオ・ストリームに対応する、第1の複数のブロック変換係数と、
チャンネル変更ストリームに対応する、第2の複数のブロック変換係数と、から成る、圧縮されたディジタル・ビデオ信号。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47892303P | 2003-06-16 | 2003-06-16 | |
US60/478,923 | 2003-06-16 | ||
PCT/US2004/018764 WO2004114668A1 (en) | 2003-06-16 | 2004-06-15 | Decoding method and apparatus enabling fast channel change of compressed video |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006527975A true JP2006527975A (ja) | 2006-12-07 |
JP2006527975A5 JP2006527975A5 (ja) | 2007-08-02 |
JP4789265B2 JP4789265B2 (ja) | 2011-10-12 |
Family
ID=33539130
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006517239A Active JP4789265B2 (ja) | 2003-06-16 | 2004-06-15 | 圧縮ビデオの高速チャンネル変更を可能にする復号化方法および装置 |
JP2006517238A Active JP4863379B2 (ja) | 2003-06-16 | 2004-06-15 | 圧縮ビデオの高速チャンネル変更を可能にする符号化方法および装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006517238A Active JP4863379B2 (ja) | 2003-06-16 | 2004-06-15 | 圧縮ビデオの高速チャンネル変更を可能にする符号化方法および装置 |
Country Status (13)
Country | Link |
---|---|
US (3) | US8811492B2 (ja) |
EP (2) | EP1634457B9 (ja) |
JP (2) | JP4789265B2 (ja) |
KR (2) | KR101050858B1 (ja) |
CN (2) | CN100568965C (ja) |
AU (3) | AU2004250927B2 (ja) |
BR (2) | BRPI0411458B1 (ja) |
CA (2) | CA2528040C (ja) |
ES (2) | ES2371074T3 (ja) |
MX (2) | MXPA05013570A (ja) |
MY (2) | MY149392A (ja) |
WO (2) | WO2004114668A1 (ja) |
ZA (2) | ZA200510086B (ja) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005168004A (ja) * | 2003-12-01 | 2005-06-23 | Sharp Corp | 圧縮画像への低レイテンシーランダムアクセスするための方法及び装置 |
JP2007536802A (ja) * | 2004-05-03 | 2007-12-13 | トムソン リサーチ ファンディング コーポレイション | Dslシステム用の高速チャネル変化を可能にする方法及びシステム |
JP2008506309A (ja) * | 2004-07-07 | 2008-02-28 | トムソン ライセンシング | 冗長なビデオ・ストリームを用いた、dslを介したディジタル・ビデオ放送システムにおける高速チャンネル切替え |
JP2008507898A (ja) * | 2004-07-20 | 2008-03-13 | コムキャスト ケーブル ホールディングス,エルエルシー | デジタルメディアシステムにおける高速チャンネル切換 |
WO2009041363A1 (ja) * | 2007-09-28 | 2009-04-02 | Nec Corporation | 動画像受信装置、動画像受信方法、及びプログラム |
JP2011520349A (ja) * | 2008-05-02 | 2011-07-14 | トムソン ライセンシング | スタガーキャスティングにおける省電力化のための方法および装置 |
JP2012135027A (ja) * | 2006-11-14 | 2012-07-12 | Qualcomm Inc | チャネルスイッチングのためのシステムと方法 |
JP2013532432A (ja) * | 2010-06-14 | 2013-08-15 | トムソン ライセンシング | 単一の復号器でチャンネル変更を可能にする受信機および該受信機での方法 |
US8612498B2 (en) | 2005-09-27 | 2013-12-17 | Qualcomm, Incorporated | Channel switch frame |
US8670437B2 (en) | 2005-09-27 | 2014-03-11 | Qualcomm Incorporated | Methods and apparatus for service acquisition |
US8761162B2 (en) | 2006-11-15 | 2014-06-24 | Qualcomm Incorporated | Systems and methods for applications using channel switch frames |
JP2016116081A (ja) * | 2014-12-15 | 2016-06-23 | 株式会社東芝 | 電子機器、及び表示方法 |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8811492B2 (en) * | 2003-06-16 | 2014-08-19 | Thomson Licensing | Encoding method and apparatus enabling fast channel change of compressed video |
US7610603B2 (en) * | 2004-03-26 | 2009-10-27 | Broadcom Corporation | Multistream video communication with staggered access points |
EP1601199B1 (en) * | 2004-05-28 | 2008-01-23 | Alcatel Lucent | Broadband telecommunications system and method used therein to reduce the latency of channel switching by a multimedia receiver |
US9071847B2 (en) * | 2004-10-06 | 2015-06-30 | Microsoft Technology Licensing, Llc | Variable coding resolution in video codec |
US8243820B2 (en) * | 2004-10-06 | 2012-08-14 | Microsoft Corporation | Decoding variable coded resolution video with native range/resolution post-processing operation |
US7870590B2 (en) * | 2004-10-20 | 2011-01-11 | Cisco Technology, Inc. | System and method for fast start-up of live multicast streams transmitted over a packet network |
US8434116B2 (en) | 2004-12-01 | 2013-04-30 | At&T Intellectual Property I, L.P. | Device, system, and method for managing television tuners |
US7474359B2 (en) | 2004-12-06 | 2009-01-06 | At&T Intellectual Properties I, L.P. | System and method of displaying a video stream |
US20090064242A1 (en) * | 2004-12-23 | 2009-03-05 | Bitband Technologies Ltd. | Fast channel switching for digital tv |
EP1675399A3 (en) | 2004-12-23 | 2009-04-29 | Bitband Technologies Ltd. | Fast channel switching for digital TV |
US8780957B2 (en) | 2005-01-14 | 2014-07-15 | Qualcomm Incorporated | Optimal weights for MMSE space-time equalizer of multicode CDMA system |
AR052601A1 (es) | 2005-03-10 | 2007-03-21 | Qualcomm Inc | Clasificacion de contenido para procesamiento de multimedia |
US20060230176A1 (en) * | 2005-04-12 | 2006-10-12 | Dacosta Behram M | Methods and apparatus for decreasing streaming latencies for IPTV |
KR101223234B1 (ko) * | 2005-05-04 | 2013-01-17 | 삼성전자주식회사 | 디지털 방송시스템의 채널변경장치 및 그 방법 |
US8054849B2 (en) | 2005-05-27 | 2011-11-08 | At&T Intellectual Property I, L.P. | System and method of managing video content streams |
US20070174880A1 (en) * | 2005-07-05 | 2007-07-26 | Optibase Ltd. | Method, apparatus, and system of fast channel hopping between encoded video streams |
KR101194823B1 (ko) | 2005-07-11 | 2012-10-25 | 삼성전자주식회사 | 추가 채널을 이용한 디지털 방송 채널 전환 시간 축소 장치및 그 방법 |
WO2007013980A2 (en) * | 2005-07-22 | 2007-02-01 | Empirix, Inc. | Method of transmitting pre-encoded video |
US20070044123A1 (en) * | 2005-08-16 | 2007-02-22 | Alcatel | System and method for smoothing channel changing in internet protocol television systems |
KR100800860B1 (ko) * | 2005-09-09 | 2008-02-04 | 삼성전자주식회사 | 디지털 방송 시스템에서 전자 서비스 가이드를 이용한미리보기 서비스 방법 및 장치 |
US8879857B2 (en) * | 2005-09-27 | 2014-11-04 | Qualcomm Incorporated | Redundant data encoding methods and device |
WO2007038695A2 (en) * | 2005-09-27 | 2007-04-05 | Qualcomm Incorporated | Channel switch frame |
EP1775953A1 (en) * | 2005-10-14 | 2007-04-18 | Universiteit Gent | Switching between digital video streams using buffering of second digital video stream |
US8654848B2 (en) | 2005-10-17 | 2014-02-18 | Qualcomm Incorporated | Method and apparatus for shot detection in video streaming |
US8948260B2 (en) | 2005-10-17 | 2015-02-03 | Qualcomm Incorporated | Adaptive GOP structure in video streaming |
US7643508B2 (en) * | 2005-11-02 | 2010-01-05 | Alcatel Lucent | Client side PID translation |
US8340098B2 (en) | 2005-12-07 | 2012-12-25 | General Instrument Corporation | Method and apparatus for delivering compressed video to subscriber terminals |
CA2633819C (en) * | 2005-12-08 | 2016-12-06 | Vidyo, Inc. | Systems and methods for error resilience and random access in video communication systems |
US7956930B2 (en) | 2006-01-06 | 2011-06-07 | Microsoft Corporation | Resampling and picture resizing operations for multi-resolution video coding and decoding |
JP4534997B2 (ja) * | 2006-02-13 | 2010-09-01 | ソニー株式会社 | 送受信システム、受信装置、受信方法 |
US7965771B2 (en) | 2006-02-27 | 2011-06-21 | Cisco Technology, Inc. | Method and apparatus for immediate display of multicast IPTV over a bandwidth constrained network |
EP1827009A1 (en) * | 2006-02-28 | 2007-08-29 | Matsushita Electric Industrial Co., Ltd. | Video encoder and decoder for an improved zapping service for mobile video reception |
US8218654B2 (en) | 2006-03-08 | 2012-07-10 | Cisco Technology, Inc. | Method for reducing channel change startup delays for multicast digital video streams |
DE102006012449A1 (de) * | 2006-03-17 | 2007-09-20 | Benq Mobile Gmbh & Co. Ohg | Verfahren zum Dekodieren eines Datenstroms und Empfänger |
US9131164B2 (en) | 2006-04-04 | 2015-09-08 | Qualcomm Incorporated | Preprocessor method and apparatus |
EP1855478A1 (en) * | 2006-05-09 | 2007-11-14 | Alcatel Lucent | Method for fast zapping between tv channels |
CN101518082B (zh) * | 2006-07-28 | 2012-11-28 | 汤姆森研究基金有限公司 | 用于数字视频的快速频道转换的方法和装置 |
US8031701B2 (en) | 2006-09-11 | 2011-10-04 | Cisco Technology, Inc. | Retransmission-based stream repair and stream join |
WO2008041896A1 (en) | 2006-10-02 | 2008-04-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Multimedia management |
US9154844B2 (en) * | 2006-10-30 | 2015-10-06 | Alcatel Lucent | Method and apparatus for reducing delays due to channel changes |
CN100550999C (zh) | 2006-11-22 | 2009-10-14 | 华为技术有限公司 | 一种数字频道快速切换方法和系统以及辅助频道生成设备 |
US20080181256A1 (en) * | 2006-11-22 | 2008-07-31 | General Instrument Corporation | Switched Digital Video Distribution Infrastructure and Method of Operation |
EP2100461A2 (en) | 2006-12-20 | 2009-09-16 | Thomson Research Funding Corporation | Video data loss recovery using low bit rate stream in an iptv system |
US8571111B2 (en) | 2006-12-20 | 2013-10-29 | Intel Corporation | Method and apparatus for switching program streams using a fixed speed program stream buffer coupled to a decoder |
US8769591B2 (en) * | 2007-02-12 | 2014-07-01 | Cisco Technology, Inc. | Fast channel change on a bandwidth constrained network |
DE102007009414A1 (de) | 2007-02-23 | 2008-08-28 | Deutsche Telekom Ag | Verfahren und System zum störungsfreien Umschalten zwischen Programmkanälen in einer Videoumgebung |
US8107571B2 (en) * | 2007-03-20 | 2012-01-31 | Microsoft Corporation | Parameterized filters and signaling techniques |
US20080253369A1 (en) | 2007-04-16 | 2008-10-16 | Cisco Technology, Inc. | Monitoring and correcting upstream packet loss |
DE102007022955A1 (de) | 2007-05-16 | 2008-11-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Qualitätsskalierbares Videosignal, Verfahren zu dessen Erzeugung, Codierer und Decodierer |
KR20080108819A (ko) * | 2007-06-11 | 2008-12-16 | 삼성전자주식회사 | 채널 전환 방법, 상기 방법을 수행하기 위한 장치 및 방법 |
US20100138886A1 (en) * | 2007-06-13 | 2010-06-03 | Thomson Licensing | System and method for reducing the zapping time |
KR100792025B1 (ko) * | 2007-06-14 | 2008-01-04 | 주식회사 셀런 | Iptv 시스템에서 채널 변경시 비디오 데이터 전송 방법 |
EP2177032A1 (de) | 2007-08-07 | 2010-04-21 | Deutsche Telekom AG | Verfahren und system zum reduzieren der umschaltlücke bei einem programmwechsel in einer digitalen videoumgebung |
KR100948686B1 (ko) * | 2007-11-27 | 2010-03-18 | 한국전자통신연구원 | 채널 전환시 지연을 줄이기 위한 iptv 방송 시스템,가속 채널 스트림의 생성 및 재생방법 |
US8121187B2 (en) | 2007-12-05 | 2012-02-21 | Alcatel Lucent | Method and apparatus for performing multiple bit rate video encoding and video stream switching |
US8700792B2 (en) | 2008-01-31 | 2014-04-15 | General Instrument Corporation | Method and apparatus for expediting delivery of programming content over a broadband network |
US8787153B2 (en) * | 2008-02-10 | 2014-07-22 | Cisco Technology, Inc. | Forward error correction based data recovery with path diversity |
EP2094014A1 (en) * | 2008-02-21 | 2009-08-26 | British Telecommunications Public Limited Company | Video streaming |
EP2124451A3 (en) * | 2008-05-23 | 2014-03-26 | Sony Corporation | Content server, information processing apparatus, network device, content distribution method, information processing method, and content distribution system |
JP4735666B2 (ja) * | 2008-05-23 | 2011-07-27 | ソニー株式会社 | コンテンツサーバ、情報処理装置、ネットワーク機器、コンテンツ配信方法、情報処理方法およびコンテンツ配信システム |
KR101178853B1 (ko) * | 2008-06-03 | 2012-09-03 | 알카텔-루센트 유에스에이 인코포레이티드 | 채널 변경 응답 시간 향상 방법 및 채널 변경 응답 시간 향상 장치 |
US8752092B2 (en) | 2008-06-27 | 2014-06-10 | General Instrument Corporation | Method and apparatus for providing low resolution images in a broadcast system |
FR2933814B1 (fr) | 2008-07-11 | 2011-03-25 | Commissariat Energie Atomique | Electrolytes liquides ioniques comprenant un surfactant et dispositifs electrochimiques tels que des accumulateurs les comprenant |
JP2011529674A (ja) * | 2008-07-28 | 2011-12-08 | トムソン ライセンシング | スケーラブル・ビデオ符号化(svc)ストリームを用いて高速チャネル変更を行う方法および装置 |
KR101441175B1 (ko) * | 2008-08-08 | 2014-09-18 | 톰슨 라이센싱 | 밴딩 아티팩트 검출을 위한 방법 및 장치 |
KR20100039496A (ko) * | 2008-10-08 | 2010-04-16 | 엘지전자 주식회사 | Iptv 수신기 및 상기 iptv 수신기의 채널 변경 방법 |
US8095955B2 (en) * | 2008-10-28 | 2012-01-10 | Sony Corporation | Methods and systems for improving network response during channel change |
US9077937B2 (en) * | 2008-11-06 | 2015-07-07 | Alcatel Lucent | Method and apparatus for fast channel change |
US20100118938A1 (en) * | 2008-11-12 | 2010-05-13 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoder and method for generating a stream of data |
WO2010069427A1 (en) * | 2008-12-19 | 2010-06-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and encoder for providing a tune- in stream for an encoded video stream and method and decoder for tuning into an encoded video stream |
KR101176285B1 (ko) * | 2008-12-22 | 2012-08-22 | 한국전자통신연구원 | 채널변경을 위한 아이피 티비 서비스 방법 및 장치 |
EP2207340A1 (en) | 2009-01-12 | 2010-07-14 | Thomson Licensing | Method and device for reception of control words, and device for transmission thereof |
WO2010100089A1 (en) * | 2009-03-02 | 2010-09-10 | Thomson Licensing | Method and device for displaying a sequence of pictures |
JP2012525076A (ja) * | 2009-04-24 | 2012-10-18 | デルタ・ヴィディオ・インコーポレイテッド | デジタルビデオ配信システムにおける即時マルチチャネルビデオコンテンツブラウジングのためのシステム、方法、およびコンピュータ可読媒体 |
KR101268818B1 (ko) * | 2009-09-28 | 2013-05-28 | 한국전자통신연구원 | 채널 재핑을 줄이기 위한 무선 액세스 스케줄링 방법 및 장치 |
JP5428734B2 (ja) | 2009-10-14 | 2014-02-26 | ソニー株式会社 | ネットワーク機器、情報処理装置、ストリーム切替方法、情報処理方法、プログラムおよびコンテンツ配信システム |
US20110191813A1 (en) * | 2010-02-04 | 2011-08-04 | Mike Rozhavsky | Use of picture-in-picture stream for internet protocol television fast channel change |
US9357244B2 (en) | 2010-03-11 | 2016-05-31 | Arris Enterprises, Inc. | Method and system for inhibiting audio-video synchronization delay |
JP2012090060A (ja) * | 2010-10-19 | 2012-05-10 | Sharp Corp | 放送送信装置、放送受信装置及び放送送受信システム |
JP5853142B2 (ja) * | 2011-01-24 | 2016-02-09 | パナソニックIpマネジメント株式会社 | 動画伝送システム |
KR101116377B1 (ko) * | 2011-04-13 | 2012-03-09 | 코스텔(주) | 이동단말의 조작 반응성을 개선할 수 있는 방송지원장치와, 조작 반응성이 개선된 이동단말 |
US20130064308A1 (en) * | 2011-09-14 | 2013-03-14 | General Instrument Corporation | Coding and decoding synchronized compressed video bitstreams |
US20130282917A1 (en) * | 2012-04-24 | 2013-10-24 | Vid Scale, Inc. | Method and apparatus for smooth stream switching in mpeg/3gpp-dash |
US9900629B2 (en) * | 2013-03-13 | 2018-02-20 | Apple Inc. | Codec techniques for fast switching with intermediate sequence |
CN106303682B (zh) * | 2016-08-09 | 2019-09-20 | 华为技术有限公司 | 频道切换的方法、装置、终端及服务器 |
US20180070048A1 (en) * | 2016-09-05 | 2018-03-08 | International Business Machines Corporation | Management of media content on a storage medium |
US10778938B2 (en) * | 2018-12-20 | 2020-09-15 | Hulu, LLC | Video chunk combination optimization |
JP7406229B2 (ja) | 2019-10-28 | 2023-12-27 | 株式会社ミラティブ | 配信システム、プログラム、およびコンピュータ読み取り可能な記憶媒体 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11289539A (ja) * | 1998-04-01 | 1999-10-19 | Sony Corp | 画像信号処理装置及び方法並びに記録媒体 |
JP2001527351A (ja) * | 1997-12-23 | 2001-12-25 | トムソン ライセンシング ソシエテ アノニム | 低ノイズ符号化/復号化の装置および方法 |
US20030007562A1 (en) * | 2001-07-05 | 2003-01-09 | Kerofsky Louis J. | Resolution scalable video coder for low latency |
US20030072370A1 (en) * | 1996-11-27 | 2003-04-17 | Realnetworks, Inc. | Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts (continuation) |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5870550A (en) | 1996-02-26 | 1999-02-09 | Network Engineering Software | Web server employing multi-homed, moldular framework |
JP3844844B2 (ja) * | 1997-06-06 | 2006-11-15 | 富士通株式会社 | 動画像符号化装置及び動画像符号化方法 |
US6118498A (en) * | 1997-09-26 | 2000-09-12 | Sarnoff Corporation | Channel scanning and channel change latency reduction in an ATSC television receiver |
US6873368B1 (en) * | 1997-12-23 | 2005-03-29 | Thomson Licensing Sa. | Low noise encoding and decoding method |
US6118495A (en) * | 1998-01-13 | 2000-09-12 | Samsung Electronics Co., Ltd. | Training signal in plural PN sequences near beginnings of data segments of DTV signal or scan lines of NTSC signal |
US7457415B2 (en) | 1998-08-20 | 2008-11-25 | Akikaze Technologies, Llc | Secure information distribution system utilizing information segment scrambling |
US6587505B1 (en) | 1998-08-31 | 2003-07-01 | Canon Kabushiki Kaisha | Image processing apparatus and method |
US6587605B2 (en) * | 1999-01-06 | 2003-07-01 | Intel Corporation | Method and apparatus for providing optical interconnection |
US7143432B1 (en) * | 1999-10-01 | 2006-11-28 | Vidiator Enterprises Inc. | System for transforming streaming video data |
US6985188B1 (en) * | 1999-11-30 | 2006-01-10 | Thomson Licensing | Video decoding and channel acquisition system |
US7079579B2 (en) | 2000-07-13 | 2006-07-18 | Samsung Electronics Co., Ltd. | Block matching processor and method for block matching motion estimation in video compression |
US6904094B1 (en) * | 2000-09-20 | 2005-06-07 | General Instrument Corporation | Processing mode selection for channels in a video multi-processor system |
US7068683B1 (en) * | 2000-10-25 | 2006-06-27 | Qualcomm, Incorporated | Method and apparatus for high rate packet data and low delay data transmissions |
US7675972B1 (en) * | 2001-07-30 | 2010-03-09 | Vixs Systems, Inc. | System and method for multiple channel video transcoding |
US6763019B2 (en) * | 2002-03-05 | 2004-07-13 | Nokia Corporation | Method and system for authenticated fast channel change of media provided over a DSL connection |
US20030196211A1 (en) * | 2002-04-10 | 2003-10-16 | Peter Chan | Systems, methods and apparatuses for simulated rapid tuning of digital video channels |
KR100991124B1 (ko) | 2002-06-21 | 2010-11-02 | 톰슨 라이센싱 | 공통 클록을 갖는 멀티-샤시 방송 라우터 |
US7523482B2 (en) * | 2002-08-13 | 2009-04-21 | Microsoft Corporation | Seamless digital channel changing |
FR2846835B1 (fr) | 2002-11-05 | 2005-04-15 | Canon Kk | Codage de donnees numeriques combinant plusieurs modes de codage |
US7810124B2 (en) * | 2003-01-28 | 2010-10-05 | Thomson Licensing | Robust mode staggercasting fast channel change |
US20040181813A1 (en) | 2003-02-13 | 2004-09-16 | Takaaki Ota | Methods and systems for rapid channel change within a digital system |
US20040194134A1 (en) * | 2003-03-25 | 2004-09-30 | Gunatilake Priyan Deveka | Method and system for rapid channel change providing stored images of current channel programs |
US8811492B2 (en) * | 2003-06-16 | 2014-08-19 | Thomson Licensing | Encoding method and apparatus enabling fast channel change of compressed video |
WO2005020588A1 (en) | 2003-08-25 | 2005-03-03 | Agency For Science, Technology And Research | Mode decision for inter prediction in video coding |
US8286203B2 (en) | 2003-12-19 | 2012-10-09 | At&T Intellectual Property I, L.P. | System and method for enhanced hot key delivery |
US7430222B2 (en) * | 2004-02-27 | 2008-09-30 | Microsoft Corporation | Media stream splicer |
US20050229221A1 (en) * | 2004-04-05 | 2005-10-13 | Sharp Laboratories Of America Inc. | System and method for low-delay channel hopping |
BRPI0510329A8 (pt) * | 2004-05-03 | 2018-05-22 | Thomson Res Funding Corporation | Aparelho e método para habilitar uma mudança de canal |
US8281356B2 (en) * | 2004-11-17 | 2012-10-02 | Sharp Kabushiki Kaisha | Transmitter |
CN101061718B (zh) * | 2004-11-22 | 2010-10-13 | 汤姆森研究基金有限公司 | 用于数字订户线路系统中的频道改变的方法和设备 |
US20070174880A1 (en) * | 2005-07-05 | 2007-07-26 | Optibase Ltd. | Method, apparatus, and system of fast channel hopping between encoded video streams |
CN101518082B (zh) * | 2006-07-28 | 2012-11-28 | 汤姆森研究基金有限公司 | 用于数字视频的快速频道转换的方法和装置 |
EP2082571B1 (en) * | 2006-11-07 | 2016-05-04 | Thomson Licensing | Method for reducing channel change times and synchronizing audio/video content during channel change |
JP2011529674A (ja) * | 2008-07-28 | 2011-12-08 | トムソン ライセンシング | スケーラブル・ビデオ符号化(svc)ストリームを用いて高速チャネル変更を行う方法および装置 |
US9077937B2 (en) * | 2008-11-06 | 2015-07-07 | Alcatel Lucent | Method and apparatus for fast channel change |
EP2485472A1 (en) * | 2011-02-04 | 2012-08-08 | Thomson Licensing | Fast channel change companion stream solution with bandwidth optimization |
GB2493498A (en) * | 2011-07-18 | 2013-02-13 | Nds Ltd | Fast channel change using an aggregated video service |
-
2004
- 2004-06-15 US US10/560,477 patent/US8811492B2/en active Active
- 2004-06-15 AU AU2004250927A patent/AU2004250927B2/en active Active
- 2004-06-15 ZA ZA200510086A patent/ZA200510086B/en unknown
- 2004-06-15 ZA ZA200510085A patent/ZA200510085B/en unknown
- 2004-06-15 EP EP04776520.1A patent/EP1634457B9/en active Active
- 2004-06-15 CA CA2528040A patent/CA2528040C/en active Active
- 2004-06-15 ES ES04776520T patent/ES2371074T3/es active Active
- 2004-06-15 US US10/559,643 patent/US9161033B2/en active Active
- 2004-06-15 CN CNB2004800154432A patent/CN100568965C/zh active Active
- 2004-06-15 WO PCT/US2004/018764 patent/WO2004114668A1/en active Search and Examination
- 2004-06-15 MY MYPI20042287A patent/MY149392A/en unknown
- 2004-06-15 MX MXPA05013570A patent/MXPA05013570A/es active IP Right Grant
- 2004-06-15 BR BRPI0411458A patent/BRPI0411458B1/pt active IP Right Grant
- 2004-06-15 CA CA2528037A patent/CA2528037C/en active Active
- 2004-06-15 BR BRPI0411433A patent/BRPI0411433B1/pt active IP Right Grant
- 2004-06-15 KR KR1020057024079A patent/KR101050858B1/ko active IP Right Grant
- 2004-06-15 JP JP2006517239A patent/JP4789265B2/ja active Active
- 2004-06-15 ES ES04776521T patent/ES2371075T3/es active Active
- 2004-06-15 MX MXPA05013568A patent/MXPA05013568A/es active IP Right Grant
- 2004-06-15 AU AU2004250926A patent/AU2004250926A1/en not_active Abandoned
- 2004-06-15 CN CN2004800166590A patent/CN1806441B/zh active Active
- 2004-06-15 EP EP04776521A patent/EP1634458B1/en active Active
- 2004-06-15 KR KR1020057024080A patent/KR101040886B1/ko active IP Right Grant
- 2004-06-15 JP JP2006517238A patent/JP4863379B2/ja active Active
- 2004-06-15 WO PCT/US2004/018763 patent/WO2004114667A1/en active Search and Examination
- 2004-06-16 MY MYPI20042313A patent/MY150169A/en unknown
-
2010
- 2010-07-16 AU AU2010203039A patent/AU2010203039B2/en active Active
-
2015
- 2015-09-01 US US14/842,317 patent/US10511849B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030072370A1 (en) * | 1996-11-27 | 2003-04-17 | Realnetworks, Inc. | Method and apparatus for providing scalable pre-compressed digital video with reduced quantization based artifacts (continuation) |
JP2001527351A (ja) * | 1997-12-23 | 2001-12-25 | トムソン ライセンシング ソシエテ アノニム | 低ノイズ符号化/復号化の装置および方法 |
JPH11289539A (ja) * | 1998-04-01 | 1999-10-19 | Sony Corp | 画像信号処理装置及び方法並びに記録媒体 |
US20030007562A1 (en) * | 2001-07-05 | 2003-01-09 | Kerofsky Louis J. | Resolution scalable video coder for low latency |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005168004A (ja) * | 2003-12-01 | 2005-06-23 | Sharp Corp | 圧縮画像への低レイテンシーランダムアクセスするための方法及び装置 |
JP2007536802A (ja) * | 2004-05-03 | 2007-12-13 | トムソン リサーチ ファンディング コーポレイション | Dslシステム用の高速チャネル変化を可能にする方法及びシステム |
US9497502B2 (en) | 2004-05-03 | 2016-11-15 | Thomson Licensing | Method and apparatus enabling fast channel change for DSL system |
US9148694B2 (en) | 2004-05-03 | 2015-09-29 | Thomson Licensing | Method and apparatus enabling fast channel change for DSL system |
JP2008506309A (ja) * | 2004-07-07 | 2008-02-28 | トムソン ライセンシング | 冗長なビデオ・ストリームを用いた、dslを介したディジタル・ビデオ放送システムにおける高速チャンネル切替え |
JP2008507898A (ja) * | 2004-07-20 | 2008-03-13 | コムキャスト ケーブル ホールディングス,エルエルシー | デジタルメディアシステムにおける高速チャンネル切換 |
US8612498B2 (en) | 2005-09-27 | 2013-12-17 | Qualcomm, Incorporated | Channel switch frame |
US8670437B2 (en) | 2005-09-27 | 2014-03-11 | Qualcomm Incorporated | Methods and apparatus for service acquisition |
JP2012135027A (ja) * | 2006-11-14 | 2012-07-12 | Qualcomm Inc | チャネルスイッチングのためのシステムと方法 |
US8761162B2 (en) | 2006-11-15 | 2014-06-24 | Qualcomm Incorporated | Systems and methods for applications using channel switch frames |
WO2009041363A1 (ja) * | 2007-09-28 | 2009-04-02 | Nec Corporation | 動画像受信装置、動画像受信方法、及びプログラム |
US8446951B2 (en) | 2007-09-28 | 2013-05-21 | Nec Corporation | Dynamic image receiving apparatus, dynamic image receiving method and program |
JP2009088926A (ja) * | 2007-09-28 | 2009-04-23 | Nec Corp | 動画像受信装置、動画像受信方法、及びプログラム |
US8782723B2 (en) | 2008-05-02 | 2014-07-15 | Thomson Licensing | Method and apparatus for power savings in staggercasting |
KR101451242B1 (ko) | 2008-05-02 | 2014-10-15 | 톰슨 라이센싱 | 스태거캐스팅으로 절전을 위한 방법 및 장치 |
JP2011520349A (ja) * | 2008-05-02 | 2011-07-14 | トムソン ライセンシング | スタガーキャスティングにおける省電力化のための方法および装置 |
JP2013532432A (ja) * | 2010-06-14 | 2013-08-15 | トムソン ライセンシング | 単一の復号器でチャンネル変更を可能にする受信機および該受信機での方法 |
KR101824278B1 (ko) * | 2010-06-14 | 2018-01-31 | 톰슨 라이센싱 | 단일 디코더로 채널 변경을 가능하게 하기 위한 수신기 및 수신기에서의 방법 |
JP2016116081A (ja) * | 2014-12-15 | 2016-06-23 | 株式会社東芝 | 電子機器、及び表示方法 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4789265B2 (ja) | 圧縮ビデオの高速チャンネル変更を可能にする復号化方法および装置 | |
JP5166021B2 (ja) | Dslシステム用の高速チャネル変化を可能にする方法及びシステム | |
US10250895B2 (en) | DPB capacity limits | |
US20040160974A1 (en) | Method and system for rapid channel change within a transport stream | |
US9699480B2 (en) | Level limits | |
US20080018803A1 (en) | Fast Channel Change in Digital Video Broadcast Systems over Dsl Using Redundant Video Streams | |
JP2005124200A (ja) | 三次元ビデオ符号化に関するシステム及び方法 | |
WO2006061458A1 (en) | Video coding, decoding and hypothetical reference decoder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20061113 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070614 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070614 |
|
RD05 | Notification of revocation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7425 Effective date: 20080319 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20080415 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101006 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20101222 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110105 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110406 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110713 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110715 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140729 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4789265 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |