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| Number | Title | Issue Date |
| 7403662 | Browsing JPEG images using MPEG hardware chips Rapid throughput of still image compressed data (e.g. JPEG) is achieved for presentation of images in rapid succession for browsing or browsing by panning within large images by using a hardware decoder adapted for presentation of moving images to reduce the process... | 07/22/2008 |
| 7349675 | Low latency data stream encoding and transmission Described is a communication system including mobile communication devices. In the described system, the mobile devices may be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive data in a “broadcast” m... | 03/25/2008 |
| 7343052 | End-user-navigable set of zoomed-in images derived from a high-resolution master image The invention relates generally to improvements in systems used in the development (“authoring”) of interactive visual media. More particularly, the invention relates to (a) the automatic or semi-automatic generation of a set of files representing “zoomed-in... | 03/11/2008 |
| 7262806 | System and method for aligned compression of interlaced video A method and system are disclosed for vertically phase shifting fields of at least one interlaced frame of video into at least two vertically aligned frames of video. The at least two vertically aligned frames of video are compressed, transmitted or stored, decompre... | 08/28/2007 |
| 7221406 | Data creation method and data transfer method and apparatus A method of producing digital data, which comprises the steps of making first arrangements for 12-bit word digital data constituting a digital video signal, which include a frame rate of 24 Hz, 25 Hz, 30 Hz, 50 Hz or 60 Hz, 1125 lines per frame, 1080 active lines pe... | 05/22/2007 |
| 7206352 | ATSC digital television system This disclosure describes a flexible digital transmission system that improves upon the ATSC A/53 HDTV signal transmission standard. The system includes a digital television signal transmitter for generating a first Advanced Television Systems Committee (ATSC) stand... | 04/17/2007 |
| 7203232 | Apparatus and method for adjusting filter tap length of adaptive equalizer by using training sequence An apparatus and method for adjusting the filter tap length of an adaptive equalizer using a training sequence, determining a required filter tap length by using multipath information detected from correlation values of sync symbols of a segment for data synchroniza... | 04/10/2007 |
| 7194701 | Video thumbnail A video thumbnail for use as an icon of a digital video file and method of generating same. The video thumbnail is preferably a relatively short, low resolution, animated video thumbnail. The video thumbnail is extracted from a preferred sequence of the video file a... | 03/20/2007 |
| 7146574 | Systems and methods for interfacing with digital history data Systems and methods for accessing historical data are provided. Based upon user interaction, a time period of interest and historical data, the systems and methods perform cross-correlation algorithms and interpret which items are to be accessed and displayed to the... | 12/05/2006 |
| 7142729 | System and method of scaling images using adaptive nearest neighbor A method for interpolating a target pixel from a plurality of source pixels in a high contrast image. The method comprises the following steps. A window of the plurality of source pixels is examined and compared with a plurality of predefined conditions for determin... | 11/28/2006 |
| 7110006 | Video, audio and graphics decode, composite and display system A video, audio and graphics system uses multiple transport processors to receive in-band and out-of-band MPEG Transport streams, to perform PID and section filtering as well as DVB and DES decryption and to de-multiplex them. The system processes the PES into digita... | 09/19/2006 |
| 6956971 | Terminal and method for transporting still picture Terminal and method for transporting a still picture uses a moving picture terminal after extraction of a frame unit of still pictures, for example, from a moving picture. The extracted still picture frames can be encoded in a fixed quantizing value and stored befor... | 10/18/2005 |
| 6950097 | Video display interface controller for host video display unit A video display interface controller for a host video display unit in which control signals multiplexed with component video signals are extracted and routed according to included address information. Control data associated with one or more local addresses is used ... | 09/27/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6933954 | Aspect ratio conversion of video content An image of a first aspect ratio is modified to be displayed in a display area with a second aspect ratio. In doing so, the aspect ratio of some of the image content is approximately maintained, yet the aspect ratio of other areas of the image content is stretched s... | 08/23/2005 |
| 6873368 | Low noise encoding and decoding method An adaptive digital image processor precedes an MPEG2 encoder. The processor receives a high definition video signal intended for broadcast or storage, and adaptively low-pass filters the signal. The signal is subjected to low-pass two-dimensional filtering to elimi... | 03/29/2005 |
| 6839384 | Method and apparatus for decoding compressed video signals The top field of a coded picture is exclusively decoded. If the decoded field is structured as field picture and the top field of a reference picture is referenced, decoded motion vectors are used to perform a motion compensation. If the nonexistent bottom field of ... | 01/04/2005 |
| 6810080 | Method and apparatus for decoding video data A video decoder for decoding video pictures encoded according to the MPEG-2 standard, having reduced memory requirements, including a memory for storing means for storing a plurality of anchor frames, the decoder employing such anchor frames to generate B-frames, an... | 10/26/2004 |
| 6647062 | Method and apparatus for detecting motion and absence of motion between odd and even video fields A method and apparatus are provided whereby the motion between two video fields of opposite parity may be measured so as to discriminate between the presence of motion and lack thereof. The level of motion at a specified position is determined by comparin... | 11/11/2003 |
| 6633612 | Method and apparatus for detecting motion between odd and even video fields A method for measuring motion at a horizontal and vertical position between video fields of opposite parity comprising the steps of measuring the signal values of at least two vertically adjacent pixels from a video field of one parity and at least two ve... | 10/14/2003 |
| 6618095 | Serial digital interface system transmission/reception method and device therefor A transmitting method serializes two series of signals into one series of signals, and transmits thereof. The two series of signals are produced through this way: a total number of bits of a luminance signal of an HDTV signal to be transmitted within a fr... | 09/09/2003 |
| 6414720 | Digital broadcasting system using virtual channels A digital broadcasting system capable of causing any of physical channels selected by a broadcaster to be received as one of the channels available to users which is different from the physical channel selected by the broadcaster. For each of programs of ... | 07/02/2002 |
| 6201563 | Trellis code modulation decoder structure for advanced digital television receiver An ATV receiver is provided with a 16-state trellis decoder to achieve improved performance in the presence of NTSC co-channel interference. In one embodiment, the ATV receiver comprises a tuner, a comb filter, and a trellis decoder. The tuner is configur... | 03/13/2001 |
| 6154780 | Method and apparatus for transmission of a flexible and error resilient video bitstream A method and apparatus for transmitting a video bitstream over a communication medium is provided. The video bitstream is carried as payload data within packets of a transport protocol by dynamically determining whether to fragment the video bitstream at ... | 11/28/2000 |
| 6144409 | Method for producing a restored binary shape signal based on an interpolation technique A method restores a binary shape signal which has been downsized through the use of a sub-sampling or a down-sampling technique. The downsized binary shape signal contains a plurality of reference lines, wherein each reference line includes one or more se... | 11/07/2000 |
| 6108041 | High-definition television signal processing for transmitting and receiving a television signal in a manner compatible with the present system Video sources from a progressively scanned camera are processed so as to simulate a video source derived from motion picture film. The simulated film source video creates a distinctive "pseudo-film pattern," in which at least some of every SDTV video fiel... | 08/22/2000 |
| 6081297 | MPEG-2 encoder pre-processor for processing SDTV video and HDTV split picture video A moving picture expert group 2(MPEG-2) encoder pre-processor for processing split picture video of standard definition (SDTV) and high definition television (HDTV). The MPEG-2 encoder pre-processor includes signal separation and synchronizing signal dete... | 06/27/2000 |
| 5940863 | Apparatus for de-rotating and de-interleaving data including plural memory devices and plural modulo memory address generators An apparatus for re-rotating and deinterleaving data includes (i) a first memory for storing D elements of rotated and interleaved data in D storage locations, (ii) a first addresser for addressing the first memory in order to read de-rotated and interlea... | 08/17/1999 |
| 5923374 | Method and apparatus for reduced-bandwidth transmission of television signals A system for reducing bandwidth of video signals. Ordinarily, an NTSC (National Television Standards Committee) video signal has (a) a bandwidth of 6.0 MHz, (b) chrominance and luminance carriers separated by about 3.58 MHz, and (c) an audio carrier locat... | 07/13/1999 |
| 5909256 | Telecommunication system for transmitting and receiving non-compressed high resolution analog signals A telecommunication system for wideband analog input video signals, data signals, facsimile signals, and the like which comprises a synchronous pixel analog modulator circuit for converting the wideband analog input signals into a multi-bit multi-level di... | 06/01/1999 |
| 5864557 | Method and apparatus for opportunistically transferring data in a packet stream encoder A transport stream encoder comprises a plurality of component signal sources. One of the component signals sources is a source of an opportunistic data component signal carrying a block of data having a predetermined size to be transferred within a predet... | 01/26/1999 |
| 5856847 | High definition television coder/decoder where synchronization is achieved via the addition of absolute time reference signals at the coder In the combination of a video signal coder and a video signal decoder, synchronization is achieved by the addition of absolute time reference signals at the coder. These time reference signals are independent of the time base of the coder and are inserted... | 01/05/1999 |
| 5841819 | Viterbi decoder for digital packet signals An adaptive trellis decoder seamlessly switches between multiple input signal formats. The trellis decoder employs a code sequence detection system, described in the context of an exemplary Viterbi decoding system, that detects codes in an input interleav... | 11/24/1998 |
| 5815646 | Decompression processor for video applications A method and structure including four video decompression structures and eight memory banks are provided for decoding high definition television (HDTV) signal. In this HDTV decompression structure, the 1920×1080 pixel display space is divided into four v... | 09/29/1998 |
| 5767797 | High definition video decoding using multiple partition decoders A partition decoder system for high definition video decoding receives an HD picture divided into a selected number of sections, each section including identification data including a start code. An FLD detects each start code and assigns a pointer. A sel... | 06/16/1998 |
| 5761304 | Video signal format converting circuit A video signal format converting circuit is disclosed, comprising a signal converting matrix circuit and a filter circuit that is constructed of a time delaying device for a video signal corresponding to a standard television format. When a digital video ... | 06/02/1998 |
| 5680482 | Method and apparatus for improved video decompression by adaptive selection of video input buffer parameters A video decompression system utilizes multiple independent input buffers so that input/output operations and processing take place concurrently, nearly continuously and at a rate that is substantially equal to a selected maximum access rate of the storage... | 10/21/1997 |
| 5668547 | Runlength coding method and apparatus for use in a video signal encoding system A runlength coding apparatus for encoding an input data stream to provide a runlength coded signal comprises a first memory for temporarily storing the zeros and non-zero values included in the input data stream, a run-level detection block for detecting ... | 09/16/1997 |
| 5666169 | Parallel processor apparatus having means for processing signals of different lengths To provide a parallel processor apparatus which can perform processing with a good efficiency on signals comprised of data of different lengths. A parallel processor configured by a serial connection of a first parallel processor and a second parallel pro... | 09/09/1997 |
| 5640210 | High definition television coder/decoder which divides an HDTV signal into stripes for individual processing High definition television coder/decoder a high definition coder or decoder includes a number of parallel sub-decoders or coders. The image to be coded or decoded is divided into a number of stripes, a given stripe being coded or decoded by a single sub-c... | 06/17/1997 |
