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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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Parallel motion estimation in video coding
Texas Instruments Incorporated
October 05, 2017 - N°20170289570

Methods for improved parallel motion estimation are provided that decouple the merging candidate list derivation and motion estimation for merge mode and skip mode and the advanced motion vector predictor (amvp) candidate list construction from regular motion estimation to increase the coding quality in parallel motion estimation while meeting throughput requirements. This decoupling may be accomplished by modifying the availability ...
Device and method for fast block-matching motion estimation in video encoders
Fastvdo Llc
September 21, 2017 - N°20170272776

A solution is provided to estimate motion vectors of a video. A multistage motion vector prediction engine is configured to estimate multiple best block-matching motion vectors for each block in each video frame of the video. For each stage of the motion vector estimation for a block of a video frame, the prediction engine selects a test vector form a ...
Optimization of interframe prediction algorithms based on heterogeneous computing
Hua Zhong University Of Science Technology
September 21, 2017 - N°20170272775

In at least one embodiment, a motion estimation method may include dividing a first video frame to be estimated into a plurality of macroblocks, in which each of the macroblocks includes a plurality of sub-blocks. The method may further include determining a sampling pattern for each sub-block based on visual data of the sub-block, and determining a prediction motion vector ...
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Encoding method and equipment for implementing the method
Ateme
September 14, 2017 - N°20170264914

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 ...
Systems and methods for motion estimation for coding a video sequence
Uurmi Systems Private Limited
September 07, 2017 - N°20170257641

Systems and methods for motion estimation for video encoding are described. The method observes the motion from the previous frames of the video uses the same for predicting search pattern and classifying the motion for the current frame. The motion in the video is predicted by calculating the temporal redundancy achieved for previous frames and the block movement factor in ...
Block size determining method and program recording medium
Nec Corporation
September 07, 2017 - N°20170257631

The present invention reduces the amount of computation that is needed when determining the block size, which is the unit in which motion information is to be held, for a video coding format in which motion estimation is performed. A program causes a computer to execute: a vector search process for determining motion information for each of the smallest blocks, ...
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System and method of motion estimation for video coding
Intel Corporation
July 20, 2017 - N°20170208341

Techniques related to motion estimation for video coding.
Object position tracking using motion estimation
International Business Machines Corporation
July 13, 2017 - N°20170200280

Tracking position of at least one object in video frames. The tracking includes processing an initial frame of a set of frames, the processing the initial frame using feature extraction to identify locations of features of the at least one object. The tracking further includes using motion estimation to track locations of the features in subsequent frames of the set ...
Motion estimation
Polycom, Inc.
July 06, 2017 - N°20170195686

A technique of motion estimation in video compression is described, the technique including: determining, in one or more reference frames of a video picture, the best full-pixel motion vector f for a block in a current frame of the video picture, wherein m and n are signed numbers and integer multiples of the distance between two adjacent full-pixels; selecting the ...
Cascaded camera motion estimation, rolling shutter detection, and camera shake detection for video stabilization
Google Inc.
July 06, 2017 - N°20170195575

An easy-to-use online video stabilization system and methods for its use are described. Videos are stabilized after capture, and therefore the stabilization works on all forms of video footage including both legacy video and freshly captured video. In one implementation, the video stabilization system is fully automatic, requiring no input or parameter settings by the user other than the video ...
Emotion estimation system, emotion estimation method, and computer-readable recording medium
Fujitsu Limited
July 06, 2017 - N°20170188977

An emotion estimation system includes a memory; and a processor coupled to the memory, wherein the processor executes a process including, acquiring information on one user's heartbeat intervals measured continuously; classifying user's emotion as any one of at least two types of emotions on the basis of a value indicating a ratio of a value obtained as a result of ...
Method and apparatus for motion compensated noise reduction
Novatek Microelectronics Corp.
June 29, 2017 - N°20170188038

An apparatus for motion compensated noise reduction for input images is provided. The motion estimation and motion compensation circuit performs a motion estimation operation and a motion compensation operation on a current image and a previous image to obtain a first patch. The block matching operation circuit performs a block matching operation on the current image and the previous image ...
Motion compensation and motion estimation leveraging a continuous coordinate system
V-nova International Limited
June 29, 2017 - N°20170188032

Computer processor hardware receives settings information for a first image. The first image includes a set of multiple display elements. The computer processor hardware receives motion compensation information for a given display element in a second image to be created based at least in part on the first image. The motion compensation information indicates a coordinate location within a particular ...
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Auto-focus system for a digital imaging device and method
Chungang University Industry Academic Cooperation Foundation
June 22, 2017 - N°20170180627

The present invention relates to an auto-focus system and method based on a sensor, using hierarchical extraction and motion estimation for an image. The auto-focus method may include the steps of: (a) extracting a phase difference image from a sensed image; (b) extracting a robust feature image which satisfies a preset reference with respect to noise and out-of-focus blur, from ...
Artefact detection and correction
Imagination Technologies Limited
June 22, 2017 - N°20170178295

An artefact detector detects artefacts in a video sequence comprising interpolated frames generated by performing motion estimation. The detector comprises a pixel processor which processes pixel values in first and second input frames of the video sequence to identify respective blocks of pixels representing an image feature. A feature-matching module matches identified blocks in the first input frame with corresponding ...
System and method for acquisition of biosignals with motion sensor-based artifact compensation
Imec Vzw
June 22, 2017 - N°20170172511

The disclosure relates to systems and methods for acquisition of biosignals with motion sensor-based artifact compensation. One example embodiment is a system for acquisition of biosignals from a subject. The system includes at least one biosensor worn over a first location of a body part of the subject configured for biosignal measurement and providing a measured biosignal. The system also ...
Method, apparatus, and computer program product for providing motion estimator for video encoding
Core Wireless Licensing S.a.r.l.
June 15, 2017 - N°20170171557

An apparatus for providing motion estimation for video encoding includes a selection element and a processing element. The selection element is configured to select a subset including less than all of candidate pixel locations from among a plurality of candidate pixel locations used for motion vector determination based on a relationship between a best candidate pixel location of a first ...
Video stabilization using content-aware camera motion estimation
Intel Corporation
June 08, 2017 - N°20170163892

Video stabilization is described using content-aware camera motion estimation. In some versions a luminance target frame and a luminance source frame of a sequence of video frames of a scene are received. Motion is extracted from the received luminance target and source frames and the motion is represented as a motion vector field and weights. The weights are divided into ...
Egomotion estimation system and method
Kwangwoon University Industry Academic Collaboration Foundation
June 08, 2017 - N°20170161912

An egomotion estimation system may include: a stereo camera suitable for acquiring a stereo image; a map generation unit suitable for generating a depth map and a disparity map using the stereo image; a feature point extraction unit suitable for extracting a feature point from a moving object in the stereo image using the disparity map; a motion vector detection ...
Faster and more efficient different precision sum of absolute differences for dynamically configurable block searches ...
Kwangwoon University Industry Academic Collaboration Foundation
May 25, 2017 - N°20170150175

This invention is a digital signal processor form plural sums of absolute values (sad) in a single operation. An operational unit performing a sum of absolute value operation comprising two sets of a plurality of rows, each row producing a sad output. Plural absolute value difference units receive corresponding packed candidate pixel data and packed reference pixel data. A row ...
Enhanced search strategies for hierarchical motion estimation
Thomson Licensing
May 18, 2017 - N°20170142438

There is provided a method for estimating motion between successive frames. A first motion vector is estimated using a measurement window and search range in a first level of hierarchy, defining a second measurement window and search range for a second level of hierarchy, the second measurement window and search range being smaller than the first measurement window and search ...
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