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Hfi Innovation Inc patents


Recent patent applications related to Hfi Innovation Inc. Hfi Innovation Inc is listed as an Agent/Assignee. Note: Hfi Innovation Inc may have other listings under different names/spellings. We're not affiliated with Hfi Innovation Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hfi Innovation Inc-related inventors


 new patent  Method and compressing coding unit in high efficiency video coding

Methods for decoding of a video bitstream by a video decoding circuit are provided. In one implementation, a method receives coded data for a 2N×2N coding unit (CU) from the video bitstream, selects one or more first codewords according to whether asymmetric motion partition is disabled or enabled when a... Hfi Innovation Inc

 new patent  Method for depth lookup table signaling

A method and apparatus for depth lookup table (DLT) signaling in a three-dimensional and multi-view coding system. The method identifies one or more pictures to be processed. If one or more pictures contain depth data, then the method determines the DLT associated with said one or more pictures, applies predictive... Hfi Innovation Inc

Methods of palette based prediction for non-444 color format in video and image coding

A method of video coding using palette coding mode for color video in a non-444 color format is disclosed. The non-444 video data can be converted to the 444 format so that the palette designed for the 444 format can be used for the non-444 video data. For the 4:2:0... Hfi Innovation Inc

Method of motion vector and block vector resolution control

A method of video coding using coding modes including IntraBC mode (Intra-block copy mode) and inter prediction mode is disclosed. In one embodiment, when adaptive motion vector resolution is selected to allow adaptive use of integer resolution or fractional-pel resolution, a resolution indicator having a value corresponding to using integer... Hfi Innovation Inc

Method of deblocking for intra block copy in video coding

A method and apparatus for applying deblocking filter to block boundaries in a video coding system including an IntraBC (Intra-block copy) mode are disclosed. According to the present invention, for at least one combination of the two neighboring reconstructed blocks including at least one IntraBC coded block in the two... Hfi Innovation Inc

Method of adaptive motion vector resolution for video coding

A method of MVP (motion vector prediction) for video coding with adaptive motion vector resolution is disclosed. According to the present invention, the MVP coding is applied to the current MV or the current MV is stored depending on the current MV resolution, the reference MV resolution, or both the... Hfi Innovation Inc

Method of intra picture block copy for screen content and video coding

A method of screen content coding (SCC) and video coding using coding modes including IntraBC mode (Intra-block copy mode) is disclosed. In one embodiment, a Merge candidate list including one or more IntraBC Merge candidates and one or more Inter Merge candidates is derived. If an IntraBC Merge candidate is... Hfi Innovation Inc

Method for palette table initialization and management

A method of palette management for palette coding in a video coding system receives input data associated with a current block in a high-level picture structure and initializes a palette predictor in the high-level picture structure before a corresponding palette of a first palette-coded block in the high-level picture structure... Hfi Innovation Inc

Method and residual prediction in three-dimensional video coding

A method for three-dimensional or multi-view video coding receives input data associated with a current block of a current picture in a current dependent view, wherein the current block is inter-time coded based on an inter-time reference block located by a motion vector (MV), determines estimated DV (disparity vector) candidates... Hfi Innovation Inc

Method of palette predictor signaling for video coding

Methods for coding syntax related to palette coding generated in a video coding system are disclosed. According to one embodiment, the current block size checked against the pre-defined block size. If the current block size is larger than the pre-defined block size, a current coding mode is selected from a... Hfi Innovation Inc

Method and mv scaling with increased effective scaling ratio

A method and apparatus for deriving a scaled motion vector (MV) for a current block based on a candidate MV associated with a candidate block determines a first picture distance between a current picture corresponding to the current block and a target reference picture pointed to by a current motion... Hfi Innovation Inc

Method and apparatus of adaptive loop filtering

A method and apparatus for processing of coded video using in-loop processing are disclosed. The method operates by receiving input data to said in-loop processing, wherein the input data corresponds to reconstructed coding units of the picture; configuring the input data into multiple filter units; selecting a filter from a... Hfi Innovation Inc

Method and deriving temporal motion vector prediction

A method and apparatus for deriving a motion vector predictor (MVP) for a motion vector (MV) of a current block of a current picture in Inter, or Merge, or Skip mode. The method selects a co-located block corresponding to a co-located picture, receives one or more reference motion vectors (MVs)... Hfi Innovation Inc

Method of intra block copy search and compensation range

A method of IntraBC coding using restricted reference area is disclosed. A reference block is selected from an available ladder-shaped reference area comprising previously processed blocks before the current working block in the current CTU row and previously processed blocks in one or more previous CTU rows. A location of... Hfi Innovation Inc

Methods of handling escape pixel as a predictor in index map coding

Methods to overcome issues associated with predictors being an Escape pixel in palette coding using a copy mode are disclosed. According to one embodiment, if the predictor for a copy-above mode is an Escape pixel, the pixel value of the current Escape pixel is transmitted so that it can be... Hfi Innovation Inc

Methods for palette size signaling and conditional palette escape flag signaling

Methods for palette coding of image and video data to avoid issues associated with zero-size palette or to improve performance by conditionally signaling CU (coding unit)-level escape pixel presence flag are disclosed. In one embodiment, size information related to palette size of a current palette table of the current CU... Hfi Innovation Inc

Method and apparatus of candidate generation for single sample mode in video coding

A method and apparatus of video coding for a block of depth data or texture data coded in SSM (Single Sample Mode) are disclosed. Embodiments according to the present invention construct a sample candidate list comprising one or more single color candidates corresponding to one or more representative samples of... Hfi Innovation Inc

Method and palette table prediction and signaling

A method and apparatus for predictive palette coding of image and video data are disclosed. Reuse flags are used to indicate whether individual palette values in the current palette table are used in the palette predictor table. The present invention applies run-length coding to the run-lengths to improve coding efficiency.... Hfi Innovation Inc

Method and system of transform block processing according to quantization matrix in video coding

A method and system process transform blocks according to quantization matrices in a video coding system. The method includes obtaining an initial quantization matrix having a first width and a first height, obtaining a derived quantization matrix having a second width and a second height, wherein the second width is... Hfi Innovation Inc

Methods of handling escape pixel as a predictor in index map coding

In a palette prediction that includes a copy-above mode for predicting one or more first pixels based on one or more above pixels located above said one or more first pixels correspondingly, a method of palette mode coding using palette prediction for a picture includes receiving input data associated with... Hfi Innovation Inc

Method of intra block copy search and compensation range

A method of IntraBC coding using restricted reference area is disclosed. A reference block is selected from an available ladder-shaped reference area comprising previously processed blocks before the current working block in the current CTU row and previously processed blocks in one or more previous CTU rows. A location of... Hfi Innovation Inc

Method and reduction of deblocking filter

A method and apparatus for deblocking reconstructed video in a video coding system. The method receives reconstructed pixel data, wherein the reconstructed pixel data is configured into LCUs (largest coding units) and each LCU is divided into blocks. The method then identifies horizontal block edges of the blocks in the... Hfi Innovation Inc

Method and quantization level clipping

A method and apparatus for clipping a transform coefficient are disclosed. In one implementation, a method is implemented in a video encoder for clipping a quantization level. The method operates by generating the quantization level for a transform coefficient of a transform unit by quantizing the transform coefficient according to... Hfi Innovation Inc

Method and intra mode coding

A method and apparatus of predictive Intra coding of a block are disclosed. In one embodiment according to the present invention, a set of Intra prediction modes is determined, and predictive Intra coding is applied to a prediction unit (PU) of an image based on one or more neighboring PUs... Hfi Innovation Inc

Method and compressing coding unit in high efficiency video coding

A method for decoding of a video bitstream including receiving coded data for a 2N×2N coding unit (CU) from the video bitstream, selecting one or more first codewords according to whether asymmetric motion partition is disabled or enabled, selecting one or more second codewords when a size of the 2N×2N... Hfi Innovation Inc

Method and reordered binarization of syntax elements in cabac

A method of context-based adaptive binary arithmetic decoding for syntax elements of a coding unit coded by intra prediction is disclosed. The method includes receiving binary arithmetic coded bins associated with the coding unit, the coded bins includes a first part comprising regular bins associated with prediction units (PUs) partitioned... Hfi Innovation Inc

Method and intra coding for a block in a coding system

A method and apparatus of Intra coding for a block in a coding system. The method includes receiving input data associated with a current block; determining a current Intra prediction mode for the current block; deriving prediction samples for the current block based on reconstructed neighboring samples according to the... Hfi Innovation Inc

Method and block-based significance map and significance group flag context selection

A method of significance group flag coding is disclosed. The method includes: receiving one or more significance group flags associated with a TU (transform unit), wherein the TU is divided into one or more sub-blocks; and coding said one or more significance group flags based on context set selection, wherein... Hfi Innovation Inc

Method and coding of sample adaptive offset information

A method and apparatus for Sample Adaptive Offset (SAO) processing of video data in a video decoder are disclosed. In an embodiment, the method includes receiving a block of processed-reconstructed pixels associated with a picture from a media or a processor, wherein the block of processed-reconstructed pixels are decoded from... Hfi Innovation Inc

Method of 3d or multi-view video coding including view synthesis prediction

A method and apparatus for 3D (three-dimensional) and multi-view video encoding or decoding of dependent-view texture or depth data using Merge mode with modified list size according to one or more 3D enabling flags are disclosed. An extra-candidate-number indicating one or more extra Merge candidates for the current block is... Hfi Innovation Inc

Method and syntax redundancy removal in palette coding

A method and apparatus for palette coding of a block of video data using a candidate prediction mode list with syntax redundancy removed are disclosed. In one embodiment, whether a redundant prediction mode exists in the candidate prediction mode list for the current samples of the current block is determined... Hfi Innovation Inc

Method for palette table initialization and management

A method and apparatus for palette coding of a block of video data using a shared palette/palette prediction buffer are disclosed. The system receives a bitstream including compressed data associated with a current palette coded block and determines a palette predictor for the current palette coded block stored in a... Hfi Innovation Inc

Method and apparatus of single sample mode for video coding

A method and apparatus of video coding including a Single Sample Mode are disclosed. Embodiments according to the present invention construct a sample candidate list comprising one or more sample candidates from previously reconstructed neighboring samples of the current depth block or the current texture block. A sample candidate is... Hfi Innovation Inc

Method of color index coding with palette stuffing

A method of coding a block of video data using palette coding is disclosed. According to the present invention, when a previous block is available, the system receives first information related to a previous palette set corresponding to previous palettes/triplet palette, and second information related to a previous palette predictor... Hfi Innovation Inc

01/12/17 / #20170013276

Method for low-latency illumination compensation process and depth lookup table based coding

A method and apparatus for low-latency illumination compensation in a three-dimensional (3D) and multi-view coding system are disclosed. According to the present invention, the encoder determines whether to enable or disable the illumination compensation for the current picture or slice based on a condition related to statistic associated with a... Hfi Innovation Inc








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