公开(公告)号：US20190158885A1

公开(公告)日：2019-05-23

申请号：US16196218

申请日：2018-11-20

Applicant: ATEME

Inventor： Elie Gabriel Mora

IPC: H04N19/85 ,  H04N19/117 ,  H04N19/136 ,  H04N19/146

Abstract: A method for processing a video stream prior to encoding, the video stream potentially comprising a film grain, the method comprising: measuring a film grain intensity in the video stream; obtaining at least one encoding rate information item associated with the video stream, in order to determine a pair of respective values for the grain intensity and encoding rate; comparing the pair values with predetermined respective threshold values in order to categorize the video stream with respect to pairs of predetermined values of grain intensity and rate; and selecting a film grain management strategy among at least four combinations based on the categorization of the video stream.

公开(公告)号：US12034936B2

公开(公告)日：2024-07-09

申请号：US18098534

申请日：2023-01-18

Applicant: ATEME

Inventor： Abdelmajid Moussaoui ,  Thomas Guionnet ,  Sassan Pejhan

IPC: H04N19/156 ,  H04N19/154 ,  H04N21/24

CPC classification number: H04N19/156 ,  H04N19/154 ,  H04N21/2402

Abstract: A method for managing computational resources allocated for encoding of one or more multimedia content streams for distribution in dynamic mode to viewing devices through a distribution network is proposed, which comprises, by a processing node of the distribution network: obtain, for a multimedia content stream corresponding to a channel distributed to the viewing devices, a value of a computational resource allocation criterion, wherein the computational resource allocation criterion comprises an audience measurement for the corresponding channel; and determine, based on the computational resource allocation criterion, an allocation of computational resources of a computing platform configured for encoding the multimedia content stream.

公开(公告)号：US11948335B2

公开(公告)日：2024-04-02

申请号：US17307419

申请日：2021-05-04

Applicant: ATEME

Inventor： Thomas Guionnet ,  Sébastien Herbreteau

IPC: H04N19/119 ,  G06T5/00 ,  G06T9/00 ,  H04N19/142 ,  H04N19/172 ,  H04N19/98

CPC classification number: G06T9/00 ,  G06T5/009 ,  H04N19/119 ,  H04N19/142 ,  H04N19/172 ,  H04N19/98 ,  G06T2207/20204 ,  G06T2207/20208

Abstract: A method of method of processing an image of a video sequence including a plurality of images, wherein the video sequence is divided into a sequence of consecutive subsets each including one or more consecutive images of the video sequence is provides, which includes: determining, among the consecutive subsets, a current subset that includes the image, upon determining that the image is a first image of the current subset to be processed, determining an analysis window corresponding to the current subset, wherein the analysis window includes a plurality of consecutive images of the video sequence, and includes at least one image of the current subset, and generating processing results for the image by performing a processing on the images of the analysis window.

公开(公告)号：US20240031629A1

公开(公告)日：2024-01-25

申请号：US18224742

申请日：2023-07-21

Applicant: ATEME

Inventor： Sassan Pejhan

IPC: H04N21/24 ,  H04N21/258 ,  H04N21/2343

CPC classification number: H04N21/24 ,  H04N21/25866 ,  H04N21/2343

Abstract: A method for managing the encoding of a multimedia content stream distributed in dynamic mode to viewing devices according to a set of profiles comprising a plurality of multimedia data distribution profiles usable by the viewing devices for reception of the multimedia content stream is proposed. Usage statistics data for at least one of the multimedia data distribution profiles is obtained, the usage statistics data representing usage, by the viewing devices, of the multimedia data distribution profile for receiving the multimedia content stream. Based on the usage statistics data, the set of profiles are updated by excluding the multimedia data distribution profile from the set of profiles. Based on the updated set of profiles, a configuration of an encoder used for encoding the multimedia content stream distributed to the viewing device is determined. The encoding is updated according to the determined encoder configuration.

公开(公告)号：US11800097B2

公开(公告)日：2023-10-24

申请号：US17517878

申请日：2021-11-03

Applicant: ATEME

Inventor： Anthony Nasrallah ,  Thomas Guionnet ,  Mohsen Abdoli ,  Marco Cagnazzo ,  Attilio Fiandrotti

IPC: H04N19/00 ,  H04N19/117 ,  H04N19/105 ,  H04N19/139 ,  H04N19/176 ,  G06N3/08 ,  G06T9/00

CPC classification number: H04N19/117 ,  G06N3/08 ,  G06T9/002 ,  H04N19/105 ,  H04N19/139 ,  H04N19/176

Abstract: A method of processing a first image in a first plurality of images, wherein the first image is divided into a plurality of pixel blocks, is proposed, which comprises, for a current block of the first image: selecting, in a set of a plurality of predefined interpolation filters, an interpolation filter based on a prediction of an interpolation filter determined by a supervised learning algorithm to which data related to the current block is input; and using the selected interpolation filter for calculating fractional pixel values in a second image of the plurality of images for a temporal prediction of pixels of the current block based on a reference block correlated to the current block in the second image, wherein the second image is distinct from the first image and was previously encoded according to an image encoding sequence for encoding the images of the plurality of images.

公开(公告)号：US20230300356A1

公开(公告)日：2023-09-21

申请号：US18110226

申请日：2023-02-15

Applicant: ATEME

Inventor： Thomas Guionnet ,  Marwa Tarchouli

IPC: H04N19/42 ,  H04N19/119 ,  H04N19/176 ,  H04N19/80 ,  H04N19/147 ,  G06N20/00

CPC classification number: H04N19/42 ,  G06N20/00 ,  H04N19/119 ,  H04N19/147 ,  H04N19/176 ,  H04N19/80 ,  H04N19/593

Abstract: A method for encoding image data of an image divided into a plurality of pixel blocks using a machine learning algorithm, is proposed, which comprises, by a computing platform comprising a processor configured for implementing the machine learning algorithm, for a block of the pixel blocks: obtaining a block neighborhood set of at least one pixel of the image, wherein the at least one pixel is located outside the block in a spatial neighborhood of a corresponding pixel located on an edge of the pixel block, and generating, by the machine learning algorithm configured for performing end-to-end image compression, a bitstream representing the encoded pixel block, by encoding the pixel block based on input data comprising the pixel block and the block neighborhood set.

公开(公告)号：US11676308B2

公开(公告)日：2023-06-13

申请号：US16584144

申请日：2019-09-26

Applicant: ATEME

Inventor： Elie Mora ,  Anthony Nasrallah

IPC: G06K9/36 ,  G06K9/46 ,  G06T9/00 ,  H04N19/11 ,  H04N19/119 ,  H04N19/159 ,  H04N19/176

CPC classification number: G06T9/00 ,  H04N19/11 ,  H04N19/119 ,  H04N19/159 ,  H04N19/176

Abstract: A method of processing an image divided into a plurality of pixel blocks which are processed according to a processing sequence is provided, which comprises, for a current pixel block: determining an application area consisting of a set of pixels in blocks preceding the current block in the processing sequence, for each pixel of the application area, computing a gradient representing a directional change of an intensity at the pixel, and selecting, based on at least one of the computed gradients, an intra prediction video coding mode among a plurality of intra prediction video coding modes usable for encoding and/or decoding the current block.

公开(公告)号：US20230136187A1

公开(公告)日：2023-05-04

申请号：US17975842

申请日：2022-10-28

Applicant: ATEME

Inventor： Anthony Nasrallah ,  Thomas Guionnet ,  Mohsen Abdoli

IPC: H04N19/136 ,  H04N19/189 ,  H04N19/154

Abstract: A method of processing a video sequence is proposed, which comprises, for a video encoding tool of a set of video encoding tools configured for encoding the video sequence comprised in a video encoder, determining an efficiency value based on an encoding performance value and an encoding computational complexity value of the video encoding tool for encoding the video sequence, and determining, based on the efficiency value of the video encoding tool, whether to configure the video encoder to use the video encoding tool for the encoding of the video sequence.

公开(公告)号：US20230009360A1

公开(公告)日：2023-01-12

申请号：US17946442

申请日：2022-09-16

Applicant: ATEME

Inventor： Elie Mora ,  Mohsen Abdoli ,  Thomas Guionnet

IPC: H04N19/103 ,  G06T7/11 ,  G06T7/90 ,  G06F17/16 ,  G06N7/00

Abstract: A method of processing an image divided into a plurality of pixel blocks which are processed according to a processing sequence is provided, which comprises, for a current pixel block: determining an application area comprising a set of pixels in blocks preceding the current block in the processing sequence; performing a gradient analysis on at least one pixel of the application area; selecting at least two intra prediction video coding modes among a plurality of intra prediction video coding modes usable for processing the current pixel block, wherein at least one of the selected intra prediction video coding modes is selected based on the gradient analysis; determining a plurality of predictors of the current pixel block based on the at least two selected intra prediction video coding modes; and generating a predictor of the current pixel block based on the determined plurality of predictors.

公开(公告)号：US20220191501A1

公开(公告)日：2022-06-16

申请号：US17550601

申请日：2021-12-14

Applicant: ATEME

Inventor： Thomas GUIONNET

IPC: H04N19/136 ,  H04N19/103

Abstract: A method of processing an image is proposed, which includes: generating a decoded image by first encoding the image, wherein the first encoding the image includes decoding encoded data generated based on the image, determining estimates of parameters of a parametric model of noise contained in the image based on the decoded image, including the estimates of parameters of the parametric model of noise in an encoded stream generated by second encoding the image.