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| Number | Title | Issue Date |
| 8437391 | Transmitting video between two stations in a wireless network In accordance with some embodiments, a differential frame may be constructed, for example, by differencing frames or using an error prediction method. More frequently and less frequently used values of a differential frame are identified. Symbols with lower and high... | 05/07/2013 |
| 8437390 | Imaging apparatus An imaging apparatus includes an image pickup unit, a recording aunit configured to record moving image data on a recording medium and record still image data on the recording medium, a conversion unit configured to convert the still image data recorded on the recor... | 05/07/2013 |
| 8422554 | Mobile communication system using adaptive transmission A method for decoding a wireless transmission in a communication system, particularly for mobile communications, comprising a plurality of receiver stations communicatively coupled to a common decoder station, wherein the receiver stations transmit digital represent... | 04/16/2013 |
| 8401075 | Hybrid video encoder including real-time and off-line video encoders A method and apparatus is provided for encoding a video signal stream. The method includes receiving a video signal stream, identifying a plurality of individual segments within the video signal stream and encoding, off-line, recurring ones of the individual segment... | 03/19/2013 |
| 8345752 | Method and apparatus for entropy encoding/decoding A method and apparatus are provided for performing entropy encoding on a fine granular scalability layer. A method of entropy encoding on a plurality of current coefficients of a quality layer among a plurality of quality layers of an image block divided into the pl... | 01/01/2013 |
| 8345753 | Method, medium, and system visually compressing image data A method, medium, and system compressing and/or reconstructing image data. The data compression method includes compressing current data according to a plurality of modes for compressing current data, determining whether the current data compressed according to the ... | 01/01/2013 |
| 8311102 | Bitstream switching in multiple bit-rate video streaming environments Bitstream switching for multiple bit rate video streaming uses a first algorithm to generate multiple encoded bitstreams of a piece of video at different bit rates. A different algorithm is used to generate multiple side bitstreams of the video. Each side stream is ... | 11/13/2012 |
| 8306112 | Image encoding method and image decoding method, image encoder and image decoder, and image encoded bit stream and recording medium The present invention makes it possible to include, when encoding processing is applied to three color components using a 4:0:0 format, data for one picture in one access unit and makes it possible to set the same time information or the same set encoding modes amon... | 11/06/2012 |
| 8279926 | Dynamic streaming with latticed representations of video In one embodiment, a method that partitions a first sequence of pictures into plural representations, encodes each of the plural representations independently of each other with a common time base, provides a first portion of the plural encoded representations based... | 10/02/2012 |
| 8275033 | Picture mode selection for video transcoding An adaptive picture mode selection transcoder selects an encoding mode in a second format for frames of video previously encoded in a first format by determining a magnitude of interlacing phenomenon in the using picture information obtained during decoding of the v... | 09/25/2012 |
| 8270476 | Face detection system for video encoders Embodiments include a codec for use in a videoconferencing or similar system includes a video encoder pipeline that has a pre-processor component that is optimized to detect faces and compress the facial video data in an optimum manner. The codec has a pre-processin... | 09/18/2012 |
| 8270477 | Method and apparatus for encoding a digital video signal In a method and an encoder for encoding a digital video sequence, the digital video sequence having some sets of images including a disparity map, the disparity map being used to reconstruct one image of a set of images from another image of the set of images, the m... | 09/18/2012 |
| 8265144 | Innovations in video decoder implementations Video decoding innovations for multithreading implementations and graphics processor unit (“GPU”) implementations are described. For example, for multithreaded decoding, a decoder uses innovations in the areas of layered data structures, picture extent discovery... | 09/11/2012 |
| 8259797 | Method and system for conversion of digital video A method for converting an encoded digital video signal from a decoded relatively lower frame rate to a decoded relatively higher frame rate, including the following steps: deriving, from the encoded video signal, at the relatively lower frame rate, a decoded high r... | 09/04/2012 |
| 8259798 | Distributed video encoder and decoder and distributed video decoding method A distributed video encoder and decoder and a distributed video decoding method using adaptive quantization are provided. Adaptive quantization is performed at the time of encoding and decoding so that limited resources and information can be efficiently used, and a... | 09/04/2012 |
| 8254445 | Video transmission using video quality metrics Video traffic transmission using video quality metrics may be provided. A video stream comprising a plurality of frames may be received. For each frame, a determination may be made whether or not to drop the frame rather than saving and/or transmitting it to an end ... | 08/28/2012 |
| 8223837 | Learning-based image compression Learning-based image compression is described. In one implementation, an encoder possessing a first set of learned visual knowledge primitives excludes visual information from an image prior to compression. A decoder possessing an independently learned set of visual... | 07/17/2012 |
| 8218628 | Apparatus and method for generating a coded video sequence and for decoding a coded video sequence by using an intermediate layer residual value prediction A video coder performs a motion-compensated prediction both in the base layer and in an enhancement layer to determine motion data of the enhancement layer by using the motion data from the base layer and/or to predict sequences of residual error pictures after the ... | 07/10/2012 |
| 8208539 | Dynamically configuring a video decoder cache for motion compensation A video decoder cache used for motion compensation data may be dynamically reconfigured. In some embodiments, it may be reconfigured on picture or frame boundaries and in other embodiments it can be reconfigured on sequence boundaries. The cache may be flushed on ea... | 06/26/2012 |
| 8184943 | Transport controls for a media device A method of scanning content comprises receiving an input signal indicating that content being displayed is to be scanned, sensing a duration of the received input signal, and scanning the content at a rate based at least in part on the sensed duration of the receiv... | 05/22/2012 |
| 8184695 | Digital broadcasting transmitter, turbo stream processing method thereof, and digital broadcasting system having the same A digital broadcasting transmitter, a turbo stream processing method thereof, and a digital broadcasting system having the same. The digital broadcasting transmitter includes a first compressor, forming a normal stream by compressing audio and video signals in a fir... | 05/22/2012 |
| 8175151 | Encoders and image encoding methods An encoder. A first encoding unit discrete cosine transforms an input frame, quantizes the transformation result, and generates a first frame according to a motion vector. The first encoding unit includes a first feedback unit dequantizing the transformation result,... | 05/08/2012 |
| 8175152 | Picture coding apparatus and method A moving picture coding apparatus divides each frame of a moving picture into parts and assigns the parts to different coding units, which compressively code their respective parts. The coding process includes motion compensation with respect to a reference frame. E... | 05/08/2012 |
| 8144768 | Apparatus and method for conserving memory in a fine granularity scalability coding system Decoding time stamps (DTSs) and presentation time stamps (PTSs) are used in fine granularity scalability (FGS) coding during MPEG-4 video coding. An input video is encoded in an FGS encoder into a base layer bitstream and an enhancement bitstream. The bitstreams are... | 03/27/2012 |
| 8121191 | AVC to SVC transcoder Roughly described, an input unencoded video stream is first encoded according to a high quality compression standard such as 1080P@60 AVC. The high quality compressed video stream is then transcoded into a scalable format, such as 1080P@60 SVC. Developing the scalab... | 02/21/2012 |
| 8111749 | Image encoding or decoding method and device, with parallelization of processing over several processors and coprocessors, corresponding computer-readable storage medium A method is proposed for encoding/decoding an image having rectangular blocks of pixels. The image has a height of H blocks and a width of W blocks and is divided into vertical (or horizontal) bands of blocks having the height of H (or width of W) blocks. The method... | 02/07/2012 |
| 8031771 | System and method for dynamically determining multimedia transmission based on communication bandwidth A system and method is provided for dynamically adjusting one or more characteristics of a multimedia transmission between a content provider and a content recipient. In one embod, the system responds to a change in available bandwidth between the content provider a... | 10/04/2011 |
| 7995651 | Field/frame adaptive coding and decoding method with field/frame index and apparatus for performing the same A moving picture coding method for coding a picture when switching between frame coding and field coding adaptively on a block-by-block basis. The method including determining the maximum number of reference indices for field coding for specifying fields which are t... | 08/09/2011 |
| 7974341 | Rate control for multi-layer video design Methods and apparatus for efficient encoding multimedia data, such as live video streams are disclosed. The multimedia data is pre-encoded into multiple layers and characteristics of the pre-encoded data are determined. Based at least in part on the determined chara... | 07/05/2011 |
| 7916784 | Method and system for inverse telecine and field pairing Certain aspects of a method and system for inverse telecine and field pairing may comprise receiving a plurality of fields of alternating polarity. A current field may be weaved with its corresponding adjacent field of opposite polarity. A polarity change count valu... | 03/29/2011 |
| 7912125 | Hybrid scalable encoder, method and media for standard definition and high-definition video formats on a single-disc A hybrid scalable encoder, method, and media are disclosed for processing video signal data as a plurality of block transform coefficients for each of a base layer and an enhancement layer included on a dual standard-definition and high-definition disc. The encoder ... | 03/22/2011 |
| 7912124 | Motion compensation for fine-grain scalable video A fine-grain scalable video data apparatus, system, method and data structure is disclosed. An encoder (110) for encoding input video data as minimum bitrate macroblock data to produce DCT data having DCT coefficients representing a minimum bitrate version of... | 03/22/2011 |
| 7899115 | Method for scalably encoding and decoding video signal The present invention relates to a method for scalably encoding and decoding a video signal. In an embodiment of the present invention, motion information, such as reference indices, motion vector, modes, etc., for an enhanced layer can be derived from a base layer,... | 03/01/2011 |
| 7873106 | Method and apparatus for synchronized recording of audio and video streams A method for synchronized recording of audio and video signals is disclosed. The video signals are grouped into a plurality of video frames. The method includes incrementing a counter value of an audio counter when at least an audio frame associated with the audio s... | 01/18/2011 |
| 7873638 | Apparatus and method for the collection and utilization of user selection in a content delivery environment A system and method for the collection, analysis, utilization, and/or reporting of user preference of content experienced by the user preferably for managing the distribution network of a content delivery environment, managing the selections of content available, re... | 01/18/2011 |
| 7864842 | Television receiver integrated with recording and reproducing device During watching television programs, a composite signal is converted into a digital broadcast video signal by a video decoder, and encoded into a Y/C signal by a video encoder and then, broadcast pictures are displayed on a monitor by using the Y/C signal. Further, ... | 01/04/2011 |
| 7826531 | Indicating regions within a picture A method for indicating size, shape and location of a region within a digital picture the picture being divided into a set of blocks. A value for at least one size parameter, which is indicative of a number of the blocks within said region is defined, and a value fo... | 11/02/2010 |
| 7804898 | Method and apparatus for encoding a digital video signal The present invention relates to a method and an encoder for encoding a digital video sequence, said digital video sequence comprising some sets of images including a disparity map, said disparity map being used to reconstruct one image of a set of images from anoth... | 09/28/2010 |
| 7760802 | Random access points in video encoding In a method of encoding/decoding a video sequence, which is composed of video frames, a first video frame and a second video frame are divided into a set of coding blocks, and at least one of the coding blocks of the first video frame is encoded by intra-coding. The... | 07/20/2010 |
| 7733956 | Method and apparatus for storing base and additive streams of video The present invention provides an apparatus and method for encoding, storing, transmitting and decoding multimedia information in the form of scalable, streamed digital data. A base stream containing basic informational content and subsequent streams containing addi... | 06/08/2010 |
