Patent application number | Description | Published |
20130187796 | LOSSLESS CODING TECHNIQUE FOR CABAC IN HEVC - A system utilizing a lossless coding technique for CABAC in HEVC is described. The system includes a first and second electronic device. The first electronic device encodes according to a lossless coding technique for CABAC in HEVC. The second electronic device decodes according to a lossless coding technique for CABAC in HEVC. | 07-25-2013 |
20130187797 | LOSSLESS CODING WITH DIFFERENT PARAMETER SELECTION TECHNIQUE FOR CABAC IN HEVC - A system utilizing a high throughput lossless coding mode for CABAC in HEVC is described. The system may include an electronic device configured to obtain a block of data to be encoded using an arithmetic based encoder; determine whether the block of data is to be encoded using lossless encoding; in response to determining that the block of data is not to be encoded using lossless encoding, use a first Absolute−3 coding technique to encode the block of data; in response to determining that the block of data is to be encoded using lossless encoding, use a second Absolute−3 coding technique to encode the block of data; wherein the second Absolute−3 coding technique is different than the first Absolute−3 coding technique. | 07-25-2013 |
20130188683 | HIGH THROUGHPUT CODING FOR CABAC IN HEVC - A system utilizing a high throughput coding mode for CABAC in HEVC is described. The system may include an electronic device configured to obtain a block of level values from a bit stream; context decode a level code flag of the block; check whether there is a next level code flag of the block; if there is a next level code flag, determine whether a count of context-coded level code flags is greater than a threshold; in response to determining that the count is not greater than the threshold, bypass decode the next level code flag; in response to determining that the count is greater than the threshold, context decode the next level code flag; recover a block of TQCs or a residual sample using the decoded level code flags; and store the recovered block in a memory device and/or recover video data. | 07-25-2013 |
20130188709 | VIDEO DECODER FOR TILES WITH ABSOLUTE SIGNALING - A system for decoding a video bitstream includes receiving a reference picture set associated with a frame including a set of reference picture identifiers. The reference picture set identifies one or more reference pictures to be used for inter-prediction of the frame based upon its associated least significant bits of a picture order count based upon the reference picture identifiers. The one or more reference pictures is a second or greater previous frame to the frame having the matching reference picture identifier. | 07-25-2013 |
20130188736 | HIGH THROUGHPUT SIGNIFICANCE MAP PROCESSING FOR CABAC IN HEVC - A system utilizing high throughput significance map processing for CABAC in HEVC is described. The system includes a first and second electronic device. The first electronic device encodes a block of level values, and transmits a bitstream to the second electronic device based on the encoding. The second electronic device decodes the bitstream using a high throughput significance map processing technique in order to recover video data corresponding to the block. | 07-25-2013 |
20140037202 | Methods and Systems for Estimation of Additive Noise - Aspects of the present invention are related to systems and methods for estimation of additive noise in an image or in a video sequence. An additive-noise estimate may be computed based on a first significant peak in a histogram of standard-deviation values of patches of an image-channel image associated with an input image. | 02-06-2014 |
20140037222 | Methods and Systems for Detection and Estimation of Compression Noise - Systems and methods for estimation of compression noise in an image or in a video sequence are provided. Difference values in a first direction are computed, and a plurality of statistical feature values for the difference values are computed in association with a plurality of offsets. At least one feature value is computed using the plurality of statistical feature values, and a compression-noise estimate may be determined in accordance with a criterion based on a comparison of the at least on feature value and an associated threshold and an additive noise estimate. | 02-06-2014 |
20140092985 | CONTENT INITIALIZATION FOR ENHANCEMENT LAYER CODING - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 04-03-2014 |
20140140403 | Methods and Systems for Encoding and Decoding Wide Color-Gamut Video - Aspects of the present invention relate to systems and methods for capturing, encoding and decoding wide color-gamut video. According to a first aspect of the present invention, a plurality of processed image frames are associated with a legacy bit-stream, and a plurality of unprocessed image frames are associated with an enhancement bit-stream. | 05-22-2014 |
20140153843 | JAGGED EDGE REDUCTION USING KERNEL REGRESSION - An image decoder includes a base layer to decode at least a portion of an encoded video stream into a first image having a first image format. The image decoder can generate a color space prediction by scaling a color space of the first image from the first image format into a color space corresponding to a second image format. The image decoder includes an enhancement layer to decode the encoded video stream to generate a second image in the second image format based, at least in part, on the color space prediction. | 06-05-2014 |
20140185674 | Methods and Systems for Inter-Layer Image Prediction Signaling - Embodiments of the present invention comprise systems and methods for predicting high dynamic range (HDR) image blocks with block-specific prediction data, where the systems and methods may comprise low dynamic range (LDR) image data and HDR image data for a target image block, where a scaled, offset LDR image block may be combined with HDR residual image block to form an HDR image block corresponding to the target image block. | 07-03-2014 |
20140241642 | MULTI LAYERED IMAGE ENHANCEMENT TECHNIQUE - A system for enhancing an input image including receiving an input image and filtering the input image with a plurality of non-linear smoothing filters providing a respective plurality of filtered outputs. The system processes a plurality of the filtered outputs with respect to at least one of another of the filtered outputs and the input image to determine a plurality of detail layers. The system filters the plurality of detail layers with a plurality of non-linear smoothing filters providing a respective plurality of smoothed layers. The system adjusts the plurality of smoothed layers in such a manner that regions closer to an edge are enhanced to a lesser extent than regions farther from an edge and combining the adjusted the smoothed layers to provide an enhanced output image. | 08-28-2014 |
20140241646 | MULTI LAYERED IMAGE ENHANCEMENT TECHNIQUE - A system for enhancing an input image including receiving an input image and filtering the input image with a plurality of non-linear smoothing filters providing a respective plurality of filtered outputs. The system processes a plurality of the filtered outputs with respect to at least one of another of the filtered outputs and the input image to determine a plurality of detail layers. The system filters the plurality of detail layers with a plurality of non-linear smoothing filters providing a respective plurality of smoothed layers. The system adjusts the plurality of smoothed layers in such a manner that regions closer to an edge are enhanced to a lesser extent than regions farther from an edge and combining the adjusted the smoothed layers to provide an enhanced output image. | 08-28-2014 |