公开(公告)号：US20180182072A1

公开(公告)日：2018-06-28

申请号：US15850547

申请日：2017-12-21

Applicant: ATEME

Inventor： Elie Gabriel MORA ,  Pierre LARBIER

IPC: G06T5/00 ,  G06T7/11 ,  G06T7/136

Abstract: Disclosed is a method for processing noise in a digital image having multiple image portions, including: (a) Predefining: criteria of interest for denoising selected details of any image portion of the digital image; a plurality of possible processing procedures to be applied to an image portion in order to denoise the selected details, each processing procedure having an efficiency related to an associated complexity level, the possible processing procedures being ordered by increasing complexity level; (b) For each portion of the image: analyzing the image portion to quantify the presence of one or more of the selected details in the image portion, and calculating an overall interest of the image portion as a function of respective quantifications of the presences of the selected details; comparing the overall interest at the complexity levels, in order to launch the processing procedure having the complexity level corresponding to the calculated overall interest.

公开(公告)号：US20170264914A1

公开(公告)日：2017-09-14

申请号：US15529031

申请日：2015-11-20

Applicant: ATEME

Inventor： Zineb AGYO ,  Mathieu MONNIER ,  Jean-Marc THIESSE ,  Pierre LARBIER

IPC: H04N19/52 ,  H04N19/154 ,  H04N19/19 ,  H04N19/176 ,  H04N19/109 ,  H04N19/11

CPC classification number: H04N19/52 ,  H04N19/109 ,  H04N19/11 ,  H04N19/139 ,  H04N19/147 ,  H04N19/154 ,  H04N19/176 ,  H04N19/19 ,  H04N19/573

Abstract: Disclosed is a method for encoding a first image in a set of images, in which the first image is cut into blocks, each block being encoded according to one from a plurality of encoding modes including at least one temporal correlation prediction encoding mode using a plurality of images from the set of images. The method includes, for a current block of the first image: determining a first motion estimation vector of the current block, determining a value of a visual distortion metric for a temporal correlation prediction encoding mode, the visual distortion metric using a distance between a first temporal prediction vector of the current block pointing to the second image and the first motion estimation vector of the current block, and using the value of the visual distortion metric to encode the current block.

公开(公告)号：US20180302627A1

公开(公告)日：2018-10-18

申请号：US15569446

申请日：2016-04-20

Applicant: ATEME

Inventor： Pierre LARBIER

IPC: H04N19/136 ,  H04N19/142 ,  H04N19/177 ,  H04N19/46

CPC classification number: H04N19/136 ,  H04N19/132 ,  H04N19/14 ,  H04N19/142 ,  H04N19/172 ,  H04N19/177 ,  H04N19/194 ,  H04N19/46 ,  H04N19/51

Abstract: Disclosed is a method for analyzing a set of images of a video sequence with a view to performing a processing of the sequence. The method includes: determining, in the video sequence, a plurality of disjointed consecutive sub-sequences of at least one successive image according to the type of processing to be carried out and according to the content of the video sequence; and analyzing the images of each sub-sequence determined in the video sequence.

公开(公告)号：US20180192070A1

公开(公告)日：2018-07-05

申请号：US15741304

申请日：2016-06-30

Applicant: ATEME

Inventor： Etienne DUPUIS ,  Mathieu MONNIER ,  Jean-Marc THIESSE ,  Pierre LARBIER

IPC: H04N19/513 ,  H04N19/105 ,  H04N19/119 ,  H04N19/61 ,  H04N19/70 ,  H04N19/176 ,  H04N19/182

CPC classification number: H04N19/513 ,  H04N19/103 ,  H04N19/105 ,  H04N19/119 ,  H04N19/176 ,  H04N19/182 ,  H04N19/194 ,  H04N19/33 ,  H04N19/40 ,  H04N19/523 ,  H04N19/59 ,  H04N19/61 ,  H04N19/70 ,  H04N19/85

Abstract: Disclosed is a method of encoding a video sequence according to a first set of encoding parameters is presented, including redimensioning the video sequence, generating encoding data of the redimensioned video sequence according to a second set of encoding parameters, determining first encoding data of the video sequence by respective scale transposition of encoded data generated for the redimensioned video sequence, determining, for at least one encoding block of an image of the video sequence, respective pixel residuals from predictive coding data obtained by encoding the redimensioned video sequence applying a block transformation to the pixel residuals determined, and inserting the transformed pixel residuals and the first encoding data into a binary encoding stream of the video sequence.