公开(公告)号：US20210120258A1

公开(公告)日：2021-04-22

申请号：US17050723

申请日：2019-04-18

Applicant: V-NOVA INTERNATIONAL LIMITED

Inventor： Richard CLUCAS

IPC: H04N19/42 ,  H04N19/33 ,  H04N19/85 ,  G06F5/01 ,  G06F7/32

Abstract: A video decoder chipset (200, 300, 400, 500) comprises a video decoder function (210), an upscaler function (230) and a combiner function (240). The video decoder function (210) is configured to (i) decode encoded video data to generate decoded video data at a first level of quality, the encoded video data having been derived by an encoder using first video data at a second, higher level of quality and (ii) output the decoded video data for storage in a memory (220). The upscaler function (230) is configured to (i) obtain the decoded video data from the memory (220) and (ii) upscale the obtained decoded video data to generate second video data at the second level of quality. The combiner function (240) is configured to (i) obtain residual data, the residual data having been derived by the encoder based on the first video data and the second video data, (ii) combine the second video data with the residual data to generate enhanced video data, and (iii) output the enhanced video data.

公开(公告)号：US10951897B2

公开(公告)日：2021-03-16

申请号：US16303323

申请日：2017-05-23

Applicant: KAKADU R & D PTY LTD

Inventor： David Scott Taubman ,  Reji Kuruvilla Mathew ,  Aous Thabit Naman

IPC: H04N19/13 ,  H04N19/93 ,  H04N19/184 ,  H04N19/176 ,  H04N19/129 ,  H04N19/91 ,  H04N19/42

Abstract: The invention relates to a method and apparatus for image compression, particularly to an improved block-coding apparatus and method for image compression. Image compression systems such as JPEG and JPEG2000 are known and popular standards for image compression. Many of the advantageous features of JPEG2000 derive from the use of the EBCOT algorithm (Embedded Block-Coding with Optimized Truncation). One drawback of the JPEG2000 standards is computational complexity. This application discloses a relatively fast block-coding algorithm, particularly as compared with the standard JPEG2000 EBCOT algorithm. Computational complexity is reduced.

公开(公告)号：US20210069588A1

公开(公告)日：2021-03-11

申请号：US17022079

申请日：2020-09-15

Applicant: Sony Interactive Entertainment LLC

Inventor： David Perry ,  Andrew Buchanan Gault ,  Rui Filipe Andrade Pereira

IPC: A63F13/355 ,  H04L29/06 ,  A63F13/77 ,  A63F13/42 ,  G06F9/455 ,  A63F13/00 ,  A63F13/35 ,  A63F13/537 ,  A63F13/795 ,  H04N19/44 ,  H04L29/08 ,  A63F13/335 ,  A63F13/86 ,  A63F13/87 ,  A63F13/71 ,  H04N19/136 ,  H04N19/42 ,  H04N19/46 ,  H04N19/70

Abstract: Methods and systems for executing games are provided. One example method includes executing at a server of the gaming system a first game logic and a second game logic. The first game logic is for a first game stream to a first user and the second game logic is for a second game stream to a second user. The method includes providing a first virtual driver for the first game logic and a second virtual driver for the second game logic. The method includes executing a hardware graphical processing unit (GPU). The hardware GPU having a non-virtual driver that communicates with each of the first and second virtual drivers. The non-virtual driver is configured for receiving data associated with the first game and the second game using the first virtual driver and the second virtual driver, respectively. The hardware GPU is configured for rendering video frames for the first game and the second game. The method includes encoding the video frames for the first game and the second game using an encoder. The encoded video frames including the first and second game streams to devices of the first and second users connected to the gaming system over a network.

公开(公告)号：US10937116B2

公开(公告)日：2021-03-02

申请号：US15893216

申请日：2018-02-09

Applicant: The Nielsen Company (US), LLC

Inventor： David Gish ,  Sadhana Gupta ,  Vladimir Kuznetsov ,  Wendell D. Lynch ,  Alan R. Neuhauser

IPC: G06K9/00 ,  G06T1/00 ,  H04N21/443 ,  H04N21/439 ,  H04N21/8358 ,  H04N19/467 ,  H04N19/42

Abstract: Methods, apparatus, systems and articles of manufacture (e.g., physical storage media) to implement power efficient detection of watermarks in media signals are disclosed. Example metering apparatus disclosed herein include detector means for detecting watermarks in a media signal. Disclosed example metering apparatus also include controller means for operating the detector means to (1) detect a first watermark in the media signal, and (2) cycle between sleep intervals and active intervals to detect a second watermark at a second location in the media signal relative to a first location of the first watermark in the media signal after the first watermark has been verified.

公开(公告)号：US20210044813A1

公开(公告)日：2021-02-11

申请号：US17080827

申请日：2020-10-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Pilkyu PARK ,  Youngo PARK ,  Jongseok LEE ,  Yumi SOHN ,  Myungjin EOM

IPC: H04N19/30 ,  H04N19/172 ,  H04N19/70 ,  H04N19/42 ,  H04N19/146

Abstract: Provided is a computer-recordable recording medium having stored thereon a video file including artificial intelligence (AI) encoding data, wherein the AI encoding data includes: image data including encoding information of a low resolution image generated by AI down-scaling a high resolution image; and AI data about AI up-scaling of the low resolution image reconstructed according to the image data, wherein the AI data includes: AI target data indicating whether AI up-scaling is to be applied to at least one frame; and AI supplementary data about up-scaling deep neural network (DNN) information used for AI up-scaling of the at least one frame from among a plurality of pieces of pre-set default DNN configuration information, when AI up-scaling is applied to the at least one frame.

公开(公告)号：US10904523B2

公开(公告)日：2021-01-26

申请号：US16322694

申请日：2016-07-08

Applicant: ZTE CORPORATION

Inventor： Ming Li ,  Ping Wu ,  Guoqiang Shang ,  Zhao Wu

IPC: H04N19/117 ,  H04N19/105 ,  H04N19/132 ,  H04N19/176 ,  H04N19/42 ,  H04N19/593

Abstract: Disclosed are an encoding processing method and device, a decoding processing method and device, an encoder and a decoder. The encoding processing method includes: determining a filtering process to be applied to a pixel in a prediction reference block for an encoding block; filtering the pixel in the prediction reference block according to the filtering process; constructing a pixel prediction value for the encoding block according to a filtered pixel sampling value in the prediction reference block; and encoding the encoding block according to the pixel prediction value.

公开(公告)号：US20200382782A1

公开(公告)日：2020-12-03

申请号：US16996753

申请日：2020-08-18

Applicant: QUALCOMM Incorporated

Inventor： Wei-Jung CHIEN ,  Kai ZHANG ,  Yi-Wen CHEN ,  Marta KARCZEWICZ

IPC: H04N19/124 ,  H04N19/196 ,  H04N19/42 ,  H04N19/70 ,  H04N19/157 ,  H04N19/103 ,  H04N19/174 ,  H04N19/186

Abstract: Provided are systems, methods, and computer-readable medium for encoding and decoding video data. In various examples, a coding device can include multiple luma QP and chroma QP relationship tables. In performing quantization or inverse quantization one video data being encoded or decoded, respectively, the coding device can select a table. The table can be selected based on, for example, a slice type, a prediction mode, and/or a luminance value, among other factors. The coding device can then use the luma QP value to look up a chroma QP value from the table. The luma QP and chroma QP values can then be used in quantization or inverse quantization.

公开(公告)号：US20200351503A1

公开(公告)日：2020-11-05

申请号：US16931949

申请日：2020-07-17

Applicant: Imagination Technologies Limited

Inventor： Ilaria Martinelli ,  Jeff Bond ,  Simon Fenney ,  Peter Malcolm Lacey ,  Gregory Clark

IPC: H04N19/132 ,  H04N19/176 ,  H04N19/42 ,  H04N19/89 ,  G06T1/20

Abstract: A method of converting 10-bit pixel data (e.g. 10:10:10:2 data) into 8-bit pixel data involves converting the 10-bit values to 7-bits or 8-bits and generating error values for each of the converted values. Two of the 8-bit output channels comprise a combination of a converted 7-bit value and one of the bits from the fourth input channel. A third 8-bit output channel comprises the converted 8-bit value and the fourth 8-bit output channel comprises the error values. In various examples, the bits of the error values may be interleaved when they are packed into the fourth output channel.

公开(公告)号：US10827190B1

公开(公告)日：2020-11-03

申请号：US15915160

申请日：2018-03-08

Applicant: Government of the United States, as represented by the Secretary of the Air Force

Inventor： Erik Philip Blasch ,  Hua-Mei Harry Chen ,  Zhonghai Wang ,  Genshe Chen ,  Kui Liu ,  Dan Shen

IPC: H04N19/42 ,  H04N19/85 ,  G06T7/13

Abstract: A framework for estimating image interpretability degradation associated with image compression is provided. An image compression broker system can determine an image compression setting to achieve an interpretability task in accordance with available communication bandwidth or transmission time objectives. Estimating image interpretability degradation includes detecting edge points of an uncompressed image and determining gradients corresponding to the detected edge points; compressing in accordance with a compression parameter setting the uncompressed image to generate a compressed image and determining gradients corresponding to the edge points in the compressed image; determining from the gradients associated with the edge points gradient ratios; and estimating from the gradient ratios an image interpretability loss of the compressed image.

公开(公告)号：US10820016B2

公开(公告)日：2020-10-27

申请号：US16090101

申请日：2017-02-10

Applicant: TONGJI UNIVERSITY ,  ZTE CORPORATION

Inventor： Tao Lin ,  Liping Zhao ,  Kailun Zhou ,  Shuhui Wang ,  Ming Li ,  Ping Wu ,  Zhao Wu

IPC: H04N19/70 ,  H04N19/176 ,  H04N19/42 ,  H04N19/463 ,  H04N19/537 ,  H04N19/52 ,  H04N19/11 ,  H04N19/593 ,  H04N19/103 ,  H04N19/46 ,  H04N19/61

Abstract: Provided is an encoding and decoding method and device for data compression. The encoding method includes: adaptively selecting a constrained string mode from a plurality of preset constrained string modes; and performing, according to the selected constrained string mode, string-matching encoding on a coding block to obtain information of a constrained string encoded in the selected constrained string mode and to obtain a bitstream of a syntax element of the constrained string encoded in the selected constrained string mode.