Matches 1 - 50 out of 283 1 2 3 4 5 6 >


Match Document Document Title
US20120106626 EFFICIENT CONTENT COMPRESSION AND DECOMPRESSION SYSTEM AND METHOD  
A content compression/compression system and method are disclosed in which a pre-processing step is performed before any compression and a post-processing step is performed once a compressed piece...
US20150208094 APPARATUS AND METHOD FOR DETERMINING DCT SIZE BASED ON TRANSFORM DEPTH  
An apparatus and method for determining a discrete cosine transform (DCT) size based on a transform depth are disclosed herein. The apparatus for determining a DCT size based on a transform depth...
US20110310957 ENCODING OF A VIDEO FRAME FOR TRANSMISSION TO A PLURALITY OF CLIENTS  
In a method of encoding a video frame to be transmitted to a plurality of clients over a plurality of network connections, a set of parameters is associated with each connection. The method...
US20060133477 Combined video decoder and watermark creator  
A method and apparatus that inserts watermark signal into decoded video pictures where the watermark creation function is combined with the video decoder and makes use of compressed domain...
US20130329780 INVERSE TRANSFORM METHOD FOR ULTRA-HIGH RESOLUTION VIDEO CODEC  
Disclosed herein is an inverse transform method for an ultra-high resolution video codec. In the inverse transform method for an ultra-high resolution video codec using a Forward Discrete Cosine...
US20090238263 Flexible field based energy efficient multimedia processor architecture and method  
A programmable energy efficient codec system is provided for encoding and decoding a plurality of application environments. A camera Codec and control system for an HD camera is provided for...
US20120027077 CODING BLOCKS OF DATA USING A GENERALIZED FORM OF GOLOMB CODES  
In general, techniques are described for coding blocks of data using a generalized form of Golomb codes. In one example, a device may implement these techniques for encoding data that includes...
US20050265445 Transcoding videos based on different transformation kernels  
A method and system transcodes an input video based on a first transformation kernel to an output video based on a second transformation kernel. The first and second transformation kernels are...
US20130147396 Dynamic Ambient Lighting  
Systems, methods, software, and data structures that provide dynamic ambient lighting synchronized to a video program being watched in a premises are described herein. A video program may be...
US20140086314 APPARATUSES AND METHODS FOR OPTIMIZING RATE-DISTORTION OF SYNTAX ELEMENTS  
Methods and apparatuses for optimizing rate-distortion of syntax elements are disclosed herein. An optimization block may be used in a video encoder and may include a candidate generation block...
US20070248163 Quantization adjustments for DC shift artifacts  
A video encoder identifies one or more portions of a video picture that contain DC shift blocks and adjusts quantization (e.g., by selecting a smaller quantization step size) to reduce contouring...
US20150195574 MODIFICATION OF PICTURE PARAMETER SET (PPS) FOR HEVC EXTENSIONS  
A method, apparatus, article of manufacture, and a memory structure for signaling extension functions used in decoding a sequence comprising a plurality of pictures, each picture processed at...
US20140119445 METHOD OF CONCEALING PICTURE HEADER ERRORS IN DIGITAL VIDEO DECODING  
A method of concealing errors in picture header information within H.263-encoded video compares current group-of-block frame identification (GFID) information to GFID information from the previous...
US20050238100 Video encoding method for encoding P frame and B frame using I frames  
This invention discloses a video encoding method for encoding P frames and B frames using I frames. The video encoding method includes: I frame encoding process, which generates encoded I frames...
US20090080515 EFFICIENT TRANSFORMATION TECHNIQUES FOR VIDEO CODING  
This disclosure describes efficient transformation techniques that can be used in video coding. In particular, intermediate results of computations associated with transformation of a first block...
US20060002466 Prediction encoder/decoder and prediction encoding/decoding method  
A prediction encoder/decoder and a prediction encoding/decoding method. The prediction encoder includes a prediction encoding unit starting prediction from a origin macroblock of an area of...
US20060268990 Adaptive video encoding using a perceptual model  
A video encoder includes a region detector module that classifies blocks of video frames. An adaptive filter module applies a median filter to a block based upon a block classification assigned by...
US20050117654 High-definition dual video decoder and decoding method, and digital broadcasting receiver using the same  
A dual video decoder of a digital broadcasting receiver is provided. The decoder includes: a first PES decoder for decoding a first video PES outputted from a first system decoder, into a first...
US20060136981 Transport stream demultiplexor with content indexing capability  
According to some embodiments, a multi-media Transport Stream (TS) that encapsulates at least one Packetized Elementary Stream (PES) is received, and an Elementary Stream (ES) is encapsulated in...
US20090262800 Block based codec friendly edge detection and transform selection  
Low complexity edge detection and DCT type selection method to improve the visual quality of H.264/AVC encoded video sequence is described. Encoding-generated information is reused to detect an...
US20070058718 Efficient integrated digital video transcoding  
Efficient integrated digital video transcoding is described. In one aspect, an integrated transcoder receives an encoded bitstream. The integrated transcoder transcodes the encoded bitstream by...
US20070009041 Method for video data stream integration and compensation  
A method for video data stream integration and compensation includes using a discrete wavelet transform technique to compress and encode key frames of a video signal, and a discrete cosine...
US20070071096 TRANSCODER AND TRANSCODING METHOD OPERATING IN A TRANSFORM DOMAIN FOR VIDEO CODING SCHEMES POSSESSING DIFFERENT TRANSFORM KERNELS  
A transcoder for converting a digital video signal from a first format into a second format in transform domain. The first format and the second format are respectively adopted by video coding...
US20100158122 METHOD AND DEVICE FOR APPROXIMATING A DC COEFFICIENT OF A BLOCK OF PIXELS OF A FRAME  
A method and a device for approximating a DC coefficient of a first block of pixels of a first frame are proposed. The method comprises: calculating a luminance DC average value based on DC...
US20110038409 MOTION GRAPHICS KEYING IN THE COMPRESSED DOMAIN  
Motion graphics keying in the compressed domain may be accomplished by receiving a compressed video stream comprising one or more source macroblocks, receiving a keyed graphics stream, determining...
US20110116539 METHOD AND APPARATUS FOR VIDEO DECODING WITH REDUCED COMPLEXITY INVERSE TRANSFORM  
A method of reducing processing of fast inverse transform of an input transform block by a video decoder includes determining whether a block type is one of zero, DC, left, and top. If not, the...
US20120082208 METHOD AND APPARATUS FOR ARBITRARY RESOLUTION VIDEO CODING USING COMPRESSIVE SAMPLING MEASUREMENTS  
The present invention relates to method and apparatus for arbitrary resolution video coding using compressive measurements. The method includes receiving at least one measurement of a set of...
US20060050785 Inserting a high resolution still image into a lower resolution video stream  
A high resolution still image is inserted into a stream of lower resolution video. The lower resolution video stream is a compressed video stream having I-frames. One of the I-frames is a lower...
US20050195896 Architecture for stack robust fine granularity scalability  
The present invention relates to an architecture for stack robust fine granularity scalability (SRFGS), more particularly, SRFGS providing simultaneously temporal scalability and SNR scalability....
US20070058713 Arbitrary resolution change downsizing decoder  
Arbitrary resolution change downsizing decoding is described. In one aspect, an encoded bitstream is received. The encoded bitstream is downscaled in a DCT domain-decoding loop to generate...
US20050094730 Wireless device having a distinct hardware video accelerator to support video compression and decompression  
A video processor within a wireless terminal, that includes a video interface that receives incoming video information and that provides outgoing video information, a processing module operably...
US20060088098 Method and arrangement for reducing the volume or rate of an encoded digital video bitstream  
A method and arrangement are presented for reducing the volume or rate of an encoded digital video bitstream that fulfils a certain set of predefined structural rules. The encoded digital video...
US20060159173 Video coding in an overcomplete wavelet domain  
Encoding and decoding methods and apparatuses are provided for encoding and decoding video frames. The encoding method (600) and apparatus (110) use motion compensated discrete cosine transform...
US20050078752 Method for extracting macro block at high speed in mobile communication system  
A method for extracting a macro block at a high speed is disclosed to re-set a motion vector in a DCT (Discrete Cosine Transform) region. A macro block is extracted by using an overlap phenomenon...
US20060153292 Mode selection techniques for intra-prediction video encoding  
In one embodiment, this disclosure provides an encoding device comprising a mode selection engine that performs mode selection for intra-prediction encoding regardless of whether the encoding...
US20140254661 METHOD AND APPARATUS FOR APPLYING SECONDARY TRANSFORMS ON ENHANCEMENT-LAYER RESIDUALS  
A method includes receiving a video bitstream and a flag and interpreting the flag to determine a transform that was used at an encoder. The method also includes, upon a determination that the...
US20120189285 Method and System for Simultaneous Recording of Multiple Programs on a DVR  
A method and system for broadcasting content, is described, the method and system facilitating simultaneous recording of multiple programs on a digital video recorder (DVR), the method and system...
US20120082212 Transform and Quantization Architecture for Video Coding and Decoding  
A method of encoding a video stream in a video encoder is provided that includes computing an offset into a transform matrix based on a transform block size, wherein a size of the transform matrix...
US20080089409 Directional And Motion-Compensated Discrete Cosine Transformation  
Systems and methods provide directional discrete cosine transformation (DCT) and motion compensated DCT. In one implementation, an exemplary system finds a directional property of an image, such...
US20070025438 Elastic storage  
A method and apparatus for providing elastic storage of layered video data stored in a storage apparatus are disclosed. The stored enhancement layer video data is read out of the storage...
US20090122861 INTEGER TRANSFORM FUNCTION FOR VIDEO COMPRESSION SYSTEMS  
The present invention is directed to video coding/decoding and discloses a method for transforming to/from transform coefficients and residual pixel data in moving pictures by a set of...
US20050195902 Video decoding system  
A video decoding system is provided. When a DDR SDRAM is used as an external memory, MBs are rearranged and then stored to minimize memory access operations for the MBs at the DDR SDRAM and...
US20060126725 Automated test vector generation for complicated video system verification  
According to one embodiment, the present invention generates a test vector for verification of a video encoder or decoder by encoding video data using a permissible combination of parameters. One...
US20070104268 Method of estimating coded block pattern and method of determining block mode using the same for moving picture encoder  
Provided are a coded block pattern (CBP) estimating method which is performed using an average value and a dispersion value between blocks of CBPs in a moving picture encoder for IP-TVs (Internet...
US20080151995 DCT/Q/IQ/IDCT bypass algorithm in MPEG to AVC/H.264 transcoding  
In one embodiment, a first DCT block of coefficients is received from a transcoding process. The DCT block is of a first size, such as an 8×8 size, and in a first coding standard, such as MPEG-2....
US20070248164 Quantization adjustment based on texture level  
A video encoder identifies a current smooth region of a current picture in a sequence and performs temporal analysis by determining whether a corresponding region in at least one previous and/or...
US20100215094 VIDEO DECODING  
A method of decoding a digital video file comprising a plurality of encoded frames each having a first number of pixels, each encoded frame composed of an integer multiple of n-order square...
US20060109901 System and method for drift-free fractional multiple description channel coding of video using forward error correction codes  
A system and method are disclosed that provide an improved encoding scheme where input video is encoded into a base layer and a enhancement layer according to a fine-granular scalability coding to...
US20060159167 Video decoding method and device for inverse quantization and zigzag scan  
A video decoding device and method for an inverse quantization and zigzag scan, which includes a receive unit having a counter for receiving at least one pixel and accumulating a counter value as...
US20150063436 METHOD FOR ENCODING AND DECODING AN IMAGE, AND CORRESPONDING DEVICES  
A method for encoding at least one block of pixels includes the following steps of transforming (18) pixel values for the block into a set of coefficients each having a coefficient type;...

Matches 1 - 50 out of 283 1 2 3 4 5 6 >