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Motion Estimation

Motion Estimation-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Moving picture coding method and moving picture decoding method
Panasonic Intellectual Property Corporation Of America
June 14, 2018 - N°20180167633

A moving picture coding apparatus includes a counter unit which counts the number of pictures following an intra coded picture; and a motion estimation unit which compares respectively only reference pictures which are the intra coded picture or the following pictures, selected from among a reference picture ref1, a reference picture ref2 and a reference picture ref3 stored in memories, ...
Apparatus and method for video motion compensation
Huawei Technologies Co., Ltd.
June 07, 2018 - N°20180160142

A frame buffer is adapted to store at least one reference frame of a video stream, said reference frame being different from a current frame of the video stream. A motion estimation unit is adapted to generate a motion vector by estimating motion between a reference block of the reference frame and a current block of the current frame.
Method for inducing a merge candidate block and device using same
Kt Corporation
June 07, 2018 - N°20180160135

The present invention relates to a method for inducing a merge candidate block and a device using same. An image decoding method involves decoding motion estimation region (mer) related information; determining whether or not a predicted target block and a spatial merge candidate block are included in the same mer; and determining the spatial merge candidate block to be an ...
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Method for inducing a merge candidate block and device using same
Kt Corporation
May 31, 2018 - N°20180152718

The present invention relates to a method for inducing a merge candidate block and a device using same. An image decoding method involves decoding motion estimation region (mer) related information; determining whether or not a predicted target block and a spatial merge candidate block are included in the same mer; and determining the spatial merge candidate block to be an ...
Method for inducing a merge candidate block and device using same
Kt Corporation
May 31, 2018 - N°20180152717

The present invention relates to a method for inducing a merge candidate block and a device using same. An image decoding method involves decoding motion estimation region (mer) related information; determining whether or not a predicted target block and a spatial merge candidate block are included in the same mer; and determining the spatial merge candidate block to be an ...
Local hash-based motion estimation for screen remoting scenarios
Microsoft Technology Licensing, Llc
May 31, 2018 - N°20180152699

Innovations in motion estimation adapted for screen remoting scenarios are described. For example, a video encoder calculates a hash value for a current block in a current picture.
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Visual tracking method and device, unmanned aerial vehicle and terminal device
Shanghai Hang Seng Electronic Technology, Co., Ltd
May 24, 2018 - N°20180143637

A visual tracking method and device, visual tracking device and terminal device are provided. The method includes steps of: obtaining image data at present of a designated area containing tracked objects and operating parameters of a tracking object; based on the image data at present of the designated area containing the tracked objects, obtaining at least one potential tracked object ...
Refinement of a low-pel resolution motion estimation vector
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
May 17, 2018 - N°20180139451

The refinement of a lower-pel resolution motion estimation vector is made more effective by preceding the actual refinement with a determination of a context out of a set of context candidates based on coding costs of a set of lower-pel resolution vectors within a neighborhood of the lower-pel resolution motion estimation vector, wherein each context candidate is associated with a ...
System and method for motion estimation and compensation in helical computed tomography
Itomography Corporation
May 17, 2018 - N°20180137657

An improved system and method for estimating and compensating for motion by reducing motion artifacts produced during image reconstruction from helical computed tomography (ct) scan data. In a particular embodiment, the reconstruction may be based on helical partial angle reconstruction (par)..
Motion estimation method and apparatus for periodic pattern
Novatek Microelectronics Corp.
May 10, 2018 - N°20180131959

A motion estimation method for blocks of a periodic pattern is provided, which includes determining a global motion vector corresponding to a region according to motion vectors of periodic blocks in the region; generating candidate motion vectors of a target periodic block to be encoded in a second frame; for each candidate motion vector, determining a penalty value based on ...
Gesture identification with natural images
Pixart Imaging Inc.
May 10, 2018 - N°20180129875

A method for gesture identification with natural images includes generating a series of variant images by using each two or more successive ones of the natural images, extracting an image feature from each of the variant images, and comparing the varying pattern of the image feature with a gesture definition to identify a gesture. The method is inherently insensitive to ...
Motion estimation through machine learning
Magic Pony Technology Limited
May 03, 2018 - N°20180124425

Use of machine learning to improve motion estimation in video encoding. According to a first aspect, there is provided a method for estimating the motion between pictures of video data using a hierarchical algorithm, the method comprising steps of: receiving one or more input pictures of video data; identifying, using a hierarchical algorithm, one or more reference elements in one ...
Feature based high resolution motion estimation from low resolution images captured using an array source
Fotonation Cayman Limited
May 03, 2018 - N°20180124311

Systems and methods in accordance with embodiments of the invention enable feature based high resolution motion estimation from low resolution images captured using an array camera. One embodiment includes performing feature detection with respect to a sequence of low resolution images to identify initial locations for a plurality of detected features in the sequence of low resolution images, where the ...
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Camera-assisted motion estimation for application control
Apple Inc.
May 03, 2018 - N°20180120953

Embodiments of the present invention generate estimates of device motion from two data sources on a computing device—a motion sensor and a camera. The device may compare the estimates to each other to determine if they agree.
Respiratory motion estimation in projection domain in nuclear medical imaging
Siemens Healthcare Gmbh
May 03, 2018 - N°20180116596

In nuclear medical imaging, respiratory motion is corrected. Rather than pairwise estimation of motion from projection views, a sequence-based technique is used to jointly estimate parameters for a motion model across many projection views.
Representing motion vectors in an encoded bitstream
Microsoft Technology Licensing, Llc
April 19, 2018 - N°20180109806

A format for use in encoding moving image data, comprising: a sequence of frames including plurality of the frames in which at least a region is encoded using motion estimation; a respective set of motion vector values representing motion vectors of the motion estimation for each respective one of these frames or each respective one of one or more regions ...
A method and a module for self-adaptive motion estimation
Peking University Shenzhen Graduate School
April 19, 2018 - N°20180109791

A self-adaptive motion estimation module includes a macro block division unit, a macro block selection unit, a motion intensity judgment unit, and a motion estimation unit. A video frame to be encoded is divided into macro blocks by the macro block division unit.
Method and apparatus for resource sharing between intra block copy mode and inter prediction mode ...
Mediatek Inc.
April 12, 2018 - N°20180103260

A method and apparatus of sharing an on-chip buffer or cache memory for a video coding system using coding modes including inter prediction mode or intra block copy (intrabc) mode are disclosed. At least partial pre-deblocking reconstructed video data of a current picture is stored in an on-chip buffer or cache memory.
Motion estimation using hybrid video imaging system
Intel Corporation
April 05, 2018 - N°20180098082

Techniques are provided for motion estimation using hybrid video imaging based on frame-based capture and event-based capture. A methodology implementing the techniques according to an embodiment includes receiving a sequence of pixel events, generated asynchronously by an event-based video camera, and receiving a sequence of image frames generated by a frame-based video camera at a frame sampling period.
Methods of and apparatus for encoding data arrays
Arm Limited
March 29, 2018 - N°20180091818

To perform motion estimation for a video frame block to be encoded, a difference measure is determined for each of a plurality of reference frame block positions at a first, coarser resolution. The determined difference measures are then used estimate difference measures for reference frame blocks at positions at a second resolution that is finer than the first resolution.
Dynamic reload of video encoder motion estimation search window under performance/power constraints
Ati Technologies Ulc
March 22, 2018 - N°20180084270

A processing apparatus is provided that includes an encoder configured to encode current frames of video data using previously encoded reference frames and perform motion searches within a search window about each of a plurality of co-located portions of a reference frame. The processing apparatus also includes a processor configured to determine, prior to performing the motion searches, which locations ...
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