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6728314 Method of using MPEG-7 standard in object segmentation  
The invention relates to a method of using MPEG-7 in object segmentation to extract a desired moving or still image object. The method includes extracting the feature of an existing video object...
6724824 Digital signal processing method  
A digital signal processing method comprising the steps of: (a) composing, a plurality of first encoded video data and a plurality of second encoded video data; (b) dividing, each of high quality...
6724823 VLSI architecture, in particular for motion estimation applications  
A VLSI architecture adapted to be implemented in the form of a reusable IP cell and including a motion estimation engine, configured to process a cost function and identify a motion vector which...
6721361 Video processing system including advanced scene break detection methods for fades, dissolves and flashes  
The invention provides a method and apparatus for detecting a scene transition in digitized video data. The method includes determining if a gradual transition is detected in the video data that...
6721359 Method and apparatus for motion compensated video coding  
Apparatus and methods are provided for encoding video data in a manner which significantly reduces the computation performed by the video encoder and the video decoder without suffering any...
6721364 Data transmission apparatus and method of initializing remaining amount of available bandwidth in data transmission apparatus  
Communication equipment having an available bandwidth less than 100 Mbps may be regarded as IEEE1394 communication equipment in which buses ( 21, 31 ) are connected together via a bridge ( 40 )....
6717989 Video decoding apparatus and method for a shared display memory system  
The video decoding apparatus and method includes providing a storage pointer command over a bus for a video decoder, wherein the storage pointer command contains index data associated with...
6700932 MPEG video editing-cut and paste  
A system and method for editing a bitstream is provided. A first segment is cut from a first bitstream and a second segment is cut from a second bitstream. In cutting the segments from the...
6697432 Processing of packets in MPEG encoded transport streams using additional data attached to each packet  
At least one program is selected from MPEG encoded transport streams carrying a plurality of packets, and is recorded/reproduced without a need to determine the contents of those transport streams....
6687305 Receiver, CPU and decoder for digital broadcast  
In decoding a data signal that is associated with a compressed video signal and a compressed audio signal in digital broadcast and is multiplexed in digital broadcast, a digital broadcast receiver...
6683911 Stream editing apparatus and stream editing method  
A stream editing system is provided which is designed to switch one of two input streams used in an editing operation to the other at an edit point set in each of the streams. The system includes...
6680976 Robust, reliable compression and packetization scheme for transmitting video  
For transmitting digital video information over a network such as the Internet, a hybrid coding scheme (FIGS. 9-18 ) with wavelet I frame coding and H.263 predictive coding produces a robust, low...
6680977 Method and apparatus for transmitting analog and digital information signals  
A system for providing a common transport signal comprising an analog information signal and a digital information signal including a transmitter and a receiver for the common transport signal is...
6678332 Seamless splicing of encoded MPEG video and audio  
Predictive analysis is performed upon encoded digital motion video (such as an MPEG Transport Stream) to facilitate real-time splicing. The predictive analysis includes estimation of upper and...
6678331 MPEG decoder using a shared memory  
A circuit includes a microprocessor, an MPEG decoder for decoding an image sequence, and a memory common to the microprocessor and to the decoder. The circuit also includes a circuit for evaluating...
6678419 Reordering wavelet coefficients for improved encoding  
An encoder reorders quantized wavelet coefficients to cluster large and small wavelet coefficients into separate groups without requiring the use of data-dependent data structures. The coefficients...
6674801 Circuit for synchronizing picture and method therefor  
A picture decoding synchronizing circuit and a picture decoding synchronizing method are provided. When the decoding synchronization is controlled in units of a picture, in a variable length...
6674803 Methods and systems for encoding real time multimedia data  
Methods and systems are provided for generating a real time multimedia data stream with accurate time stamps for decoding. Time stamps are provided which compensate for a difference between a video...
6674804 Method for generating a multiplexed sequence of media units  
The invention provides a method for efficient multiplexing and modifying of media unit sequences. The invention allocates bit rates to media unit sequences and compresses media units in an optimal...
6674805 System for controlling a clock signal for synchronizing a counter to a received value and method thereof  
In accordance with a specific embodiment of the present invention one of a first, second, and third reference signal generator is selected. When a first reference signal generator is selected, a...
6674802 Video process where part of compressed version of video signal accompanies video signal itself  
After decoding of an MPEG bitstream to the form of a video signal, an information stream signal in the form of all or part of the MPEG bitstream, is transmitted alongside the video signal, embedded...
6671323 Encoding device, encoding method, decoding device, decoding method, coding system and coding method  
The present invention relates to an encoding system for encoding input video data and a decoding system for decoding the encoded streams. More particularly, it proposes a system and method for...
6665872 Latency-based statistical multiplexing  
When two or more different video streams a e compressed for concurrent transmission of multiple compressed video bitstreams over a single shared communication channel, control over both (1) the...
6654421 Apparatus, method and computer program product for transcoding a coded multiplexed sound and moving picture sequence  
Herein disclosed is an apparatus for transcoding a coded multiplexed sound and moving picture sequence comprises the rate converter, which is operated to compress only the video bit streams, which...
6654389 System and method for searching patterns in real-time over a shared media  
A system and method for enabling real-time searching of patterns over a shared media including the capability of simultaneously searching multiple logical streams over the shared media. Patterns...
6654500 MPEG video decoding system and overflow processing method thereof  
An MPEG video decoding system and an overflow processing method are disclosed. The MPEG video decoding system does not reset the video buffer during the overflow period, which allows a decoding of...
6643326 Picture decoding apparatus modifying received temporal references  
A picture decoding apparatus decodes a series of coded frames, each including a temporal reference. Past temporal references are used to estimate the temporal reference of the-current frame. If the...
6642967 Video data formatting and storage employing data allocation to control transcoding to intermediate video signal  
Video data formatting apparatus and method in which an input signal is converted (transcoded) into an intermediate compressed video signal, where the intermediate compressed video signal has a GOP...
6640011 Signal-editing device and signal-editing method  
A signal editing device includes a dividing device for dividing a digital signal into processing blocks as processing units and a processing device for processing the digital signal independently...
6633613 Digital circuit for formatting and compressing radar video data  
A digital circuit for compressing video data generated by a missile's seeker. The digital circuit includes a frame controller and a video compression engine. The frame controller generates each...
6631164 Addressing process for the storage of image blocks  
The process for storing, in pages of a memory, image blocks (h, v) consisting of v lines of h pixels, for the reading of image blocks (H, V) consisting of V lines of H pixels, is characterized in...
6628712 Seamless switching of MPEG video streams  
A switching device SW allows to switch from a first compressed data input stream IS 1 to a second compressed data input stream IS 2 , resulting in a compressed data output stream OS. This...
6629318 Decoder buffer for streaming video receiver and method of operation  
There is disclosed a decoder buffer capable of receiving streaming video data packets and storing the data packets in a plurality of access units. Each of the access units holds at least one data...
6625218 Audio/video separator including a user data start address register  
An MPEG decoder which prevents user data, which is in video code data of MPEG-compressed code data, from being overwritten by the next code data before a CPU reads the user data has an audio/video...
6621867 Methods and apparatus for detecting edges within encoded images  
Edge detection methods and apparatus which utilize the dc dct differential data included in encoded images, e.g., an MPEG-2 encoded video stream, are described. Use of the dc dct differential data...
6618446 Apparatus and method of data reconstruction  
Original data is reconstructed from an MPEG (Moving Picture Experts Group) bitstream including at least one elementary layer bitstream. The elementary layer bitstream is made of an upper layer...
6618438 MPEG stream switching process  
The process is characterized in that, if: DTS_next_AUold−PCRold<DTS_first_AUnew−PCRnew, then, in a first step, the data of one or more last images of the old stream and/or one or more first...
6614473 Image sensor having a margin area, located between effective pixel and optical black areas, which does not contribute to final image  
Image signals used in a camera from a CCD are sampled-and-held by a CDS circuit, subjected to an A/D conversion, stored in a DRAM, and stored in a recording medium after a compression process of...
6611624 System and method for frame accurate splicing of compressed bitstreams  
A system for performing frame accurate bitstream splicing includes a first pre-buffer, a second pre-buffer, a seamless splicer, and a post-buffer. The system also includes a time stamp extractor, a...
6606746 Interactive television system and method for displaying a graphical user interface using insert pictures  
A system and method for providing a graphical user interface (GUI) in an interactive television system. In the preferred embodiment, the interactive television system comprises a video delivery...
6594313 Increased video playback framerate in low bit-rate video applications  
A method comprising selecting a number of blocks of a frame pair and synthesizing an interpolated frame based on those selected blocks of the frame pair. Additionally, the synthesis of the...
6587509 Reducing undesirable effects of an emphasis processing operation performed on a moving image by adding a noise signal to a decoded uncompressed signal  
A moving image decoding method and a moving image decoding apparatus for reproducing a natural image from a digital image signal, even when it is viewed on a TV monitor in which emphasis processing...
6587506 Video editing apparatus, video editing method, and data storage medium for a video editing program  
Picture quality loss is minimized and buffer underflow and overflow are prevented when extracting and recombining a plurality of consecutive scenes from an MPEG stream. The smallest number of...
6580756 Data transmission method, data transmission system, data receiving method, and data receiving apparatus  
A data transmission system comprises a data transmission apparatus for transmitting plural pieces of object data for reproducing plural objects constituting a scene, and a data receiving apparatus...
6570926 Active techniques for video transmission and playback  
Encoding a real-time and non-real-time video stream, encapsulating the encoded video stream along with the decoding software corresponding to the encoding program into active packets at the...
6567128 Video signal processing in which first video information and additional video information are combined to produce frames that are encoded with different picture qualities for edge and non-edge regions  
A video signal processor comprises a first input for receiving a compressed first video signal including parameters associated with the frames of the signal and relating to the compression. A...
6567471 System method and apparatus for seamlessly splicing data  
A plurality of bit streams are seamlessly spliced. Separate decoders decode each bit stream. A controller selects the decoded pictures according to a re-encoding range in the vicinity of a splicing...
6556627 Information processing apparatus, information processing method and recording medium  
Encoding parameters of picture and higher layers of importance to a number of applications, and encoding parameters of slice and lower layers of no importance to all applications are converted into...
6545727 Method for recognizing a progressive or an interlaced content in a video sequence  
A method for recognizing a progressive or an interlaced content of video pictures during their processing in a coder includes performing a number of operations on at least one of the luminance or...
6542550 Method for processing and apparatus for encoding or decoding audio or video frame data  
For broadcasting purposes a multi-channel audio encoder board has been designed. Input time stamps are generated which become linked at least in one input processing stage with frames of said audio...
Matches 351 - 400 out of 522 < 1 2 3 4 5 6 7 8 9 10 11 >