Matches 1 - 50 out of 406 1 2 3 4 5 6 7 8 9 >


Match Document Document Title
US20140092998 FRAME PACKING AND UNPACKING HIGHER-RESOLUTION CHROMA SAMPLING FORMATS  
Video frames of a higher-resolution chroma sampling format such as YUV 4:4:4 are packed into video frames of a lower-resolution chroma sampling format such as YUV 4:2:0 for purposes of video...
US20140321560 METHOD AND TECHNICAL EQUIPMENT FOR VIDEO ENCODING AND DECODING  
An encoding and decoding method and technical equipment for the same. The method comprises encoding a picture at various resolutions; determining the position information of samples of each...
US20140334559 Sample Adaptive Offset (SAO) Parameter Signaling  
Techniques for signaling of sample adaptive offset (SAO) information that may reduce the coding rate for signaling such information in the compressed bit stream are provided. More specifically,...
US20130223542 Sample Adaptive Offset (SAO) Parameter Signaling  
Techniques for signaling of sample adaptive offset (SAO) information that may reduce the coding rate for signaling such information in the compressed bit stream are provided. More specifically,...
US20090016449 Providing placement information to a user of a video stream of content to be overlaid  
Providing placement information for content to be overlaid on a video stream. A video stream is received which comprises subject matter. A value corresponding to the subject matter in the video...
US20130070862 VIDEO COMPRESSION ENCODING DEVICE IMPLEMENTING AN APPLIED MOTION COMPENSATION TECHNIQUE USING A SELECTIVE MOTION SEARCH, AND METHOD FOR DETERMINING SELECTIVE MOTION COMPENSATION  
Disclosed is a method for generating a motion search area of a video CODEC for implementing motion compensation through motion estimation as a unit of block. Compression efficiency can be further...
US20140334558 SAMPLE ADAPTIVE OFFSET (SAO) PARAMETER SIGNALING  
A method for sample adaptive offset (SAO) filtering and SAO parameter signaling in a video encoder is provided that includes determining SAO parameters for largest coding units (LCUs) of a...
US20120287995 Luma-Based Chroma Intra-Prediction for Video Coding  
A method for luma-based chroma intra-prediction in a video encoder or a video decoder is provided that includes filtering reconstructed neighboring samples of a reconstructed down sampled luma...
US20100309991 ADAPTIVE THRESHOLDING OF 3D TRANSFORM COEFFICIENTS FOR VIDEO DENOISING  
In one method embodiment, receiving matched frames; forward transforming co-located blocks of the matched frames; and thresholding the transformed co-located blocks corresponding to a subset of...
US20150245026 SIGNALING SIGNED BAND OFFSET VALUES FOR SAMPLE ADAPTIVE OFFSET (SAO) FILTERING IN VIDEO CODING  
A method for signaling sample adaptive offset (SAO) band offset syntax elements in a video encoder is provided that includes receiving a plurality of band offset syntax elements, entropy encoding...
US20100309989 OUT OF LOOP FRAME MATCHING IN 3D-BASED VIDEO DENOISING  
In one method embodiment, for a first temporal sequence of first plural frames, frame matching the first plural frames, at least a portion of the first plural frames corrupted with noise, and at a...
US20150264406 DEBLOCK FILTERING USING PIXEL DISTANCE  
The disclosure describes deblock filtering techniques. A video coder may determine an amount by which to deblock filter a pixel value of a pixel based on a geometrical distance from the pixel to a...
US20130287124 Deblocking Filtering  
A method of reducing blocking artifacts associated with consecutive pixels of a block boundary of an image, such as e.g. a video frame is provided. Pixels values of pixels selected from a first...
US20130101027 DEBLOCKING CONTROL BY INDIVIDUAL QUANTIZATION PARAMETERS  
The present invention relates to deblocking filtering, which may be advantageously applied for block-wise encoding and decoding of image or video signal. In particular, the present invention...
US20130329814 Deblocking Filtering Control  
A first filter decision value is calculated for a block (10) of pixels (11, 13, 15, 17) in a video frame based on pixel values of pixels (11, 13, 15) in a first line (12) of pixels (11, 13, 15,...
US20150016551 SYNTAX AND SEMANTICS FOR ADAPTIVE LOOP FILTER AND SAMPLE ADAPTIVE OFFSET  
The present invention provides an improved video encoding and decoding method, which maintains the advantages of LCU-based filter parameter signaling as compared to frame-based filter parameter...
US20090180556 Multi-Directional Comb Filtering in a Digital Video Decoder  
A multi-directional comb filtering in a digital video decoder is provided.
US20150208096 STRONG DEBLOCKING FILTERING DECISIONS  
A deblocking filtering control comprises checking whether pixel values of four pixels (12, 22) in a line (15) of pixels (12, 22) in a block (10) of pixels (12) and in a neighboring block (20) of...
US20130235931 MASKING VIDEO ARTIFACTS WITH COMFORT NOISE  
A system and method is presented to mask artifacts with content-adaptive comfort noise. Encoder side analysis may determine initial comfort noise characteristics. Noise parameters may then be...
US20140348250 METHOD AND APPARATUS FOR FILTERING PIXEL BLOCKS  
Provided is a method for a plurality of processing elements to filter a plurality of pixel blocks in a plurality of picture partitions for a single frame image. The method for filtering pixel...
US20140050272 DEBLOCKING FILTERING  
Blocking artifacts at a block boundary between a block and a neighboring block in a video frame are reduced by calculating an offset based on pixel values of pixels in a line of pixels in the...
US20130003865 DEBLOCKING FILTERING  
Blocking artifacts at a block boundary (1) between a block (10) and a neighboring block (20) in a video frame are reduced by calculating an offset based on pixel values of pixels (11, 13) in a...
US20100296587 VIDEO CODING WITH PIXEL-ALIGNED DIRECTIONAL ADAPTIVE INTERPOLATION FILTERS  
A system and method for implementing an adaptive interpolation filter structure that achieves high coding efficiency with significantly less complexity than more conventional systems. In various...
US20140369427 Multithread Processing of Video Frames  
Method for determining frame slice sizes of a frame for multithreaded decoding. The frame is encoded using at least two different slice types based on size where a large-type slice is at least two...
US20150131747 INTER-LAYER SAMPLE ADAPTIVE FILTER PARAMETERS RE-USE FOR SCALABLE VIDEO CODING  
Described herein are techniques related to re-use of filter parameters, and particularly Sample Adaptive Offset (SAO) parameters, of a lower-layer bitstream or a coded enhancement layer bitstream...
US20130107973 LOOP FILTERING CONTROL OVER TILE BOUNDARIES  
A video coder can be configured to code a syntax element that indicates if a loop filtering operation, such as deblocking filtering, adaptive loop filtering, or sample adaptive offset filtering,...
US20120213296 Methods and Systems for Picture Up-sampling  
Aspects of the present invention relate to systems and methods for picture up-sampling using direct interpolation. Some aspects of the present invention provide an up-sampling procedure designed...
US20110129020 METHOD AND APPARATUS FOR BANDING ARTIFACT DETECTION  
A method and apparatus for detecting banding artifacts in digital images and video contents. The method operates to (i) find the locations of the banding artifacts, (ii) determine the strength of...
US20130121424 MOTION COMPENSATED DE-BLOCKING  
Digital noise removal methods and systems for picture quality improvement on next generation high quality set-top-box and digital TV SOCs is disclosed with particular to a de-blocking method and...
US20140328414 CONTENT ADAPTIVE QUALITY RESTORATION FILTERING FOR NEXT GENERATION VIDEO CODING  
Techniques related to quality restoration filtering for video coding are described.
US20150117554 MULTI-METRIC FILTERING  
A filter unit of a video encoder or video decoder can determine a first metric for a group of pixels within a block of pixels based on a comparison of a subset of the pixels in the block to other...
US20130188744 DEBLOCKING CHROMA DATA FOR VIDEO CODING  
A video coding device is configured to obtain an array of sample values. The sample values may be formatted according to a 4:2:0, 4:2:2, or 4:4:4 chroma format. The video coding device determines...
US20110013704 Deblocking Apparatus and Associated Method  
A deblocking apparatus is provided. The deblocking apparatus includes a filter, a blocking detection module and a blending unit. The filter receives a target pixel of a pixel matrix to generate a...
US20060050795 Joint resolution or sharpness enhancement and artifact reduction for coded digital video  
The present application is a new approach for jointly controlling resolution or sharpness enhancement and artifact reduction in order to improve picture quality for coded digital video. The...
US20140294102 Intelligent MSI-X Interrupts for Video Analytics and Encoding  
Video analytics may be used to assist video encoding by selectively encoding only portions of a frame and using, instead, previously encoded portions. Previously encoded portions may be used when...
US20100309990 ESTIMATION OF TEMPORAL DEPTH OF 3D OVERLAPPED TRANSFORMS IN VIDEO DENOISING  
In one method embodiment, forward transforming a set of co-located blocks corresponding to plural matched frames; computing a difference measure for a subset of coefficients between a set of...
US20110135012 METHOD AND APPARATUS FOR DETECTING DARK NOISE ARTIFACTS  
The present invention involves detecting dark noise artifacts in coded images and video. Locations of artifacts in compressed pictures are found. A strength of the artifact per block is determined...
US20130208815 METHOD OF REMOVING A BLOCKING ARTIFACT USING QUANTIZATION INFORMATION IN A FILTERING SYSTEM  
In one embodiment, the method includes obtaining quantization information related to at least one of a first block and a second block. The second block is adjacent to the first block. The...
US20150117555 MULTI-METRIC FILTERING  
A filter unit of a video encoder or video decoder can determine a first metric for a group of pixels within a block of pixels, determine a second metric for the group of pixels, determine a filter...
US20080069247 VIDEO INFORMATION PROCESSING SYSTEM WITH SELECTIVE CHROMA DEBLOCK FILTERING  
A video information processing system including a processing circuit and a deblocking filter. The processing circuit provides video information including a chroma component and a luma component....
US20130308709 TILE SIZE IN VIDEO CODING  
A video encoder arranged to encode a video sequence, the video encoder comprising: a partitioning module arranged to partition the video sequence into tiles, wherein the tile size is greater than...
US20070064815 Method, system and device for improving video quality through in-loop temporal pre-filtering  
A method, system and device are provided for pre-filtering device for filtering a video signal prior to digitally encoding. The method includes receiving at least one input picture and at least...
US20060002468 Frame storage method  
The memory access efficiency for video decoding is maximized by interleaved storage of luminance and chrominance data. Macroblocks of luminance and chrominance interleave to blocks of 16×32 by...
US20070116131 Methods and systems for picture resampling  
Embodiments of the present invention comprise systems and methods for picture up-sampling and picture down-sampling. Some embodiments of the present invention provide an up-sampling and/or...
US20140321559 LOCAL DETECTION MODEL (LDM) FOR RECURSIVE MOTION ESTIMATION  
The present disclosure relates to a method for improving an estimation process, comprising providing an image; detecting a failure area within said image to obtain a failure area map; obtaining a...
US20070071095 De-blocking and de-ringing systems and methods  
Disclosed herein are various embodiments of decoding systems and methods. In one embodiment, among others, a decoding system comprises a de-blocking system configured to receive decoded video data...
US20130022112 FILTERING METHOD, MOVING PICTURE DECODING METHOD, MOVING PICTURE CODING METHOD, MOVING PICTURE DECODING APPARATUS, MOVING PICTURE CODING APPARATUS, AND MOVING PICTURE CODING AND DECODING APPARATUS  
A filtering method is for performing deblocking filtering on the boundary between an IPCM block and a non-IPCM block adjacent to each other in an image and including: determining a first...
US20080165864 SYSTEMS AND METHODS FOR ERROR RESILIENCE IN VIDEO COMMUNICATION SYSTEMS  
Systems and methods for error resilient transmission and for random access in video communication systems are provided. The video communication systems are based on single-layer, scalable video,...
US20080298473 Methods for Parallel Deblocking of Macroblocks of a Compressed Media Frame  
This invention relates to methods for the parallel deblocking of macroblocks of a compressed media frame, such as a frame from a compressed video stream, to smooth out artifacts and...
US20150237381 MULTI-THREADED IMPLEMENTATIONS OF DEBLOCK FILTERING  
Multi-threaded implementations of deblock filtering improve encoding and/or decoding efficiency. For example, a video encoder or decoder partitions a video picture into multiple segments. The...

Matches 1 - 50 out of 406 1 2 3 4 5 6 7 8 9 >