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US20060140274 Transcoder and method used therein  
A transcoding method and transcoder A compressed bitstream of video data is received and it is determined whether a skipped block occurs in the compressed bitstream. When the skipped block occurs...
US20050157790 Apparatus and mehtod of coding moving picture  
The present invention relates to an apparatus and method of coding moving pictures which employs a wavelet transform. In particular, the present invention performs intra frame coding by...
US20100080287 Adaptive Video Processing of an Interactive Environment  
Embodiments are configured to provide interactive communication functionality including adaptive video processing functionality that can be used to process aspects of a video signal, but the...
US20140233636 ADAPTIVE CODING OF A PREDICTION ERROR IN HYBRID VIDEO CODING  
The present invention relates to a method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish...
US20110038410 ADAPTIVE CODING OF A PREDICTION ERROR IN HYBRID VIDEO CODING  
The present invention relates to a method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish...
US20050094729 Software and hardware partitioning for multi-standard video compression and decompression  
A system, method, and computer readable medium adapted to provide software and hardware partitioning for multi-standard video compression and decompression comprises a master-slave bus, a...
US20090010327 Video Transcoding with Suppression on Drift Errors  
A bit rate transcoding method includes: (a) receiving a motion vector of a current macroblock (MB); (b) retrieving an error count of a referenced previous MB for setting it as the error count of...
US20140153640 ADAPTIVE SINGLE-FIELD/DUAL-FIELD VIDEO ENCODING  
A video processing device includes an interface to receive an input video stream and an interface to provide an encoded video stream. The input video stream includes a sequence of frames. Each...
US20090238264 SYSTEM AND METHOD FOR REAL-TIME TRANSCODING OF DIGITAL VIDEO FOR FINE GRANULAR SCALABILITY  
A video transcoder (500) is presented for transcoding a previously coded digital video data stream into a layered stream consisting of a base layer having a lower data rate than the original...
US20130163662 VIDEO SYSTEM WITH QUANTIZATION MATRIX CODING MECHANISM AND METHOD OF OPERATION THEREOF  
A method of operation of a video system includes: generating a quantization matrix for a video input data, the quantization matrix having a corner seed and a right-bottom sub-quad coefficient...
US20150110175 HIGH FREQUENCY EMPHASIS IN CODING SIGNALS  
A decoder adapted to generate an intermediate decoded version of a video frame from an encoded version of the video frame, determine either an amount of high frequency basis functions or...
US20120269262 HIGH FREQUENCY EMPHASIS IN CODING SIGNALS  
A decoder adapted to generate an intermediate decoded version of a video frame from an encoded version of the video frame, determine either an amount of high frequency basis functions or...
US20080260024 METHOD, DEVICE, INTEGRATED CIRCUIT, AND TRANSCODER FOR SELECTIVELY REDUCING QUANTIZATION LEVELS  
A method for selectively reducing quantization levels is adapted for use in a transcoder including a variable length decoding unit. The variable length decoding unit decodes a plurality of input...
US20100238997 METHOD AND SYSTEM FOR OPTIMIZED VIDEO CODING  
A method and encoder for full rate-distortion optimization of video coding over four free parameters; namely, coding mode, motion vector, quantizer scaling factor, and transform domain...
US20050063462 Visual scan method using scan table and discrete cosine transform device employing the same method  
Disclosed is a visual scan method using scan table capable of determining an exact scan method according to blocks in discrete cosine transform (DCT) even in special circumstances, and a discrete...
US20060133478 System and method for performing optimized quantization via quantization re-scaling  
A method, system, and program product for quantizing discrete cosine transform coefficients, e.g., for MPEG compression, with minimal bit rate overhead and without using a quantization matrix....
US20050002453 Network-aware adaptive video compression for variable bit rate transmission  
In a method of transmitting video data over a packet network, an input video stream is fed to a compressor that generates a compressed output stream. The compressor determines a target bit rate...
US20050163224 Device and method for playing back scalable video streams  
A device and method for playing back scalable video streams. The device for playing back a scalable video stream includes a screen mode determination unit that determines the mode of a screen to...
US20140286400 INTRA PREDICTION MODES FOR LOSSY CODING WHEN TRANSFORM IS SKIPPED  
A video coder applies a residual differential pulse code modulation technique to a residual data of a block coded using lossy coding. The block may be coded without application of a transform to...
US20060198439 Method and system for mode decision in a video encoder  
Described herein is a method and system for encoding video data. Mode decision during video encoding is based on optimization of rate and distortion. This optimization is efficiently accomplished...
US20060171454 Method of video coding for handheld apparatus  
The present invention relates to method of coding blocks of video data for a handheld apparatus comprising a battery. Said method comprising a step of computing a residual error block from the use...
US20070147496 Hardware implementation of programmable controls for inverse quantizing with a plurality of standards  
Presented herein are system(s), and method(s) for inverse quantizing data from a plurality of standards. In one embodiment, there is presented a system for decoding data. The system comprises a...
US20050276324 Bit rate automatic gear  
A method for controlling a video stream bit rate while encoding a macroblock of a video stream having pictures comprising the step of using a quantiser_scale_code of the general form:...
US20130121406 8-POINT TRANSFORM FOR MEDIA DATA CODING  
In general, techniques are described for implementing an 8-point discrete cosine transform (DCT). An apparatus comprising an 8-point discrete cosine transform (DCT) hardware unit may implement...
US20110292997 CONTROL OF VIDEO ENCODING BASED ON IMAGE CAPTURE PARAMETERS  
This disclosure describes techniques for improving functionalities of a back-end device, e.g., a video encoder, using parameters detected and estimated by a front-end device, e.g., a video camera....
US20110150078 8-POINT TRANSFORM FOR MEDIA DATA CODING  
In general, techniques are described for implementing an 8-point discrete cosine transform (DCT). An apparatus comprising an 8-point discrete cosine transform (DCT) hardware unit may implement...
US20110110420 CONTROL OF VIDEO ENCODING BASED ON IMAGE CAPTURE PARAMETER  
This disclosure describes techniques for improving functionalities of a back-end device, e.g., a video encoder, using parameters detected and estimated by a front-end device, e.g., a video camera....
US20140321540 MULTI-LAYER INTERLACE FRAME-COMPATIBLE ENHANCED RESOLUTION VIDEO DELIVERY  
A video base layer can contain information pertaining to frame-compatible interlace representations of multiple data categories while video enhancement layers can contain interlace or progressive...
US20050281333 Video quality measurement  
A measure of quality of compressed video signals is obtained without reference to the original uncompressed version, but generated directly from the coded image parameters, thereby avoiding the...
US20090147844 MOVING IMAGE CODING APPARATUS AND MOVING IMAGE CODING METHOD  
In a moving image coding apparatus, when a first picture is entropy-coded, if an occupancy of a virtual buffer is below a predetermined position, the first picture is replaced with a copy picture....
US20080232466 Encoding Parameter Determination For a Hybrid Encoding Scheme  
A method for determining an order of values for an encoding parameter of a hybrid encoding scheme for each frame of a frame sequence for use for encoding the frame sequence by means of the hybrid...
US20150195536 METHOD FOR MODELING CODING INFORMATION OF VIDEO SIGNAL FOR COMPRESSING/DECOMPRESSING CODING INFORMATION  
A method for context-modeling coding information of a video signal for compressing or decompressing the coding information is provided. An initial value of a function for probability coding of...
US20130058399 Method For Modeling Coding Information Of Video Signal For Compressing/Decompressing Coding Information  
A method for context-modeling coding information of a video signal for compressing or decompressing the coding information is provided. An initial value of a function for probability coding of...
US20050047508 Adaptive interframe wavelet video coding method, computer readable recording medium and system therefor  
An adaptive interframe wavelet video coding method, a computer readable recording medium and system therefor are provided. The interframe wavelet video coding method includes (a) receiving a...
US20060093032 Method and apparatus for encoding a moving-picture signal  
A signal related to input moving pictures of plural different types is quantized in response to a variable quantization scale factor before being encoded. An actual complexity of each past encoded...
US20060045180 Transmission of video  
Compressed recorded video is to be transmitted over a variable bit-rate link, using bandwidth reservation. In order to determining the transmission rate that is to be used (and reserved) at any...
US20060146929 Method and system for acceleration of lossy video encoding owing to adaptive discarding poor-informative macroblocks  
Disclosed herein is a method for acceleration of video encoding owing to adaptive discarding macroblocks is based on objective regularities between numerical characteristics used on successive...
US20060245493 Macroblock level bit allocation  
The disclosure is directed to video processing. The various video processing techniques include generating blocks of information for a frame of video, allocating bits from a bit budget to each of...
US20050226322 Non-scalable to scalable video conversion method, scalable to non-scalable video conversion method  
The invention relates to a cost-effective method of modifying a non-scalable coded video signal for generating a scalable coded video signal comprising a base layer and a set of enhancement...
US20100150228 SCALABLE MPEG VIDEO/MACRO BLOCK RATE CONTROL  
A scaleable macro block rate control method particularly well-suited for MPEG video. There is provided a method to easily derive a quantization parameter (QP) value using information such as bit...
US20100150227 SCALABLE MPEG VIDEO/MACRO BLOCK RATE CONTROL  
A scaleable macro block rate control method particularly well-suited for MPEG video. There is provided a method to easily derive a quantization parameter (QP) value using information such as bit...
US20050123057 Video decoding system supporting multiple standards  
System and method for decoding digital video data. The decoding system employs hardware accelerators that assist a core processor in performing selected decoding tasks. The hardware accelerators...
US20130022105 Video Decoding System Supporting Multiple Standards  
System and method for decoding digital video data. The decoding system employs hardware accelerators that assist a core processor in performing selected decoding tasks. The hardware accelerators...
US20090080525 System and Method for Adaptive Video Compression Motion Compensation  
Methods and systems for video coding are provided. A method includes receiving a digital video stream. The digital video stream includes multiple sequential independent frames. The method further...
US20060088099 Bit-rate control Method and device combined with rate-distortion optimization  
In the invention, a rate distortion optimization (RDO) based rate control scheme is comprised of following two steps: first, does bit allocation for every frame in a GOP, and based on the...
US20090034611 CAVLC run before encode with zero cycle costs  
An apparatus including a control circuit and an encoder circuit. The control circuit may configured to generate a first control signal and a second control signal. The encoder circuit may be...
US20060188018 Method and system for motion estimation using chrominance information  
A method and system for motion estimation using chrominance information, which is based on each block of a current frame to find a corresponding block from a previous frame within a search area...
US20080285646 Activity normalization for video Encoding  
The invention facilitates the normalization of activity normalization parameters to be used to select the proper quantization value for encoded video data that directly influences the Human Visual...
US20120269266 REGIONS OF INTEREST FOR QUALITY ADJUSTMENTS  
Quality settings established by an encoder are adjusted based on information associated with regions of interest (“ROIs”). For example, quantization step sizes can be reduced (to improve quality)...
US20080151998 Method and Apparatus for Providing Rate Control for Panel-Based Real Time Video Encoder  
A method and apparatus is provided for panel-based rate control in an MPEG encoder. In one embodiment, the method begins by estimating a complexity measure of pictures in a GOP and calculating a...