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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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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. If the current block is coded using intrabc ...
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. The method ...
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. The ...
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Information processing apparatus, information processing method, and program
March 22, 2018 - N°20180082432

A cross-correlation analysis unit performs a cross-correlation analysis between a first image and a second image obtained by capturing the same object as an object of the first image before the first image, a first motion estimation unit estimates a first motion amount corresponding to a motion blur in the first image, and a second motion estimation unit estimates a ...
Motion estimation for screen remoting scenarios
Microsoft Technology Licensing, Llc
March 01, 2018 - N°20180063540

Innovations in motion estimation adapted for screen remoting scenarios are described herein. For example, as part of motion estimation for a current picture, a video encoder finds a pivot point in the current picture, calculates a hash value for the pivot point, and searches for a matching area in a previous picture. In doing so, the video encoder can calculate ...
A moving picture coding method and a moving picture decoding method
Godo Kaisha Ip Bridge 1
February 08, 2018 - N°20180041772

A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number defrefno and a variable length coding unit (107) for performing variable length coding on coded residual data eres, a prediction type predtype, a reference picture number refno2 ...
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Motion Estimation Patent Applications
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Techniques for hardware video encoding
Intel Corporation
February 08, 2018 - N°20180041770

An apparatus of video encoding is described herein. The apparatus includes an encoder and a hardware bit packing unit. The encoder comprises at least a fixed function dual hierarchical motion estimation search units, dual integer motion estimation search units, and a fractional motion estimation search unit. Moreover, the hardware bit packing unit is to pack bits as coded according to ...
Motion estimation method and apparatus
Toshiba Medical Systems Corporation
February 08, 2018 - N°20180040145

A medical imaging data processing apparatus comprises processing circuitry configured to: obtain a first data set representative of at least some measurements of a measurement volume obtained by rotation of a medical scanner relative to the measurement volume during a first scanning time period; obtain a second data set representative of at least some measurements of the measurement volume obtained ...
Reducing computational complexity when video encoding uses bi-predictively encoded frames
Texas Instruments Incorporated
February 01, 2018 - N°20180035128

Several techniques aimed at reducing computational complexity when encoding uses bi-predictively encoded frames (b-frames) are implemented in a video encoder. In an embodiment, b-frames are not used as reference frames for encoding p-frames and other b-frames. Non-use of b-frames allows a de-blocking filter used in the video encoder to be switched off when reconstructing encoded b-frames, and use of a ...
One-dimensional segmentation for coherent motion estimation
Samsung Electronics Co., Ltd.
January 18, 2018 - N°20180020231

A method for segmenting images for estimating motion includes scanning block rows of an image to determine whether image blocks that are adjacent within a row are similar, and grouping similar image blocks into a row segment. If a block in a row is not similar to a preceding adjacent block, the block is used to initialize a new row ...
Region specific encoding and sao-sensitive-slice-width-adaptation for improved-quality hevc encoding
Arris Enterprises Llc
January 18, 2018 - N°20180020215

A method provides for encoding a frame of video using an edge map made up of one or more edge-blocks detected in the frame. When the edge-blocks are contiguous, at least one slice partition is formed using the edge-blocks and the slice partition is encoded using a sample adaptive offset (sao) filter, wherein the slice partition is formed with an ...
Detecting periodic patterns and apeture problems for motion estimation
Samsung Electronics Co., Ltd.
January 18, 2018 - N°20180018777

A method of evaluating motion estimation between a pair of digitized images includes receiving a distance map between a source block in a source image and all the blocks in a search area in a target image, scanning each column of the distance map, and saving indices of a minimum distance value for each column, scanning each row of the ...
Identifying visual storm signatures from satellite images
The Penn State Research Foundation
January 18, 2018 - N°20180018543

Satellite images from vast historical archives are analyzed to predict severe storms. We extract and summarize important visual storm evidence from satellite image sequences in a way similar to how meteorologists interpret these images. The method extracts and fits local cloud motions from image sequences to model the storm-related cloud patches. Image data of an entire year are adopted to ...
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Method for encoding and decoding coding unit
Intellectual Value, Inc.
December 28, 2017 - N°20170374378

Initial value is selected when motion estimation is performed using predicted motion vector in video codec in which multiple references are allowed, and coding amount of motion vectors is reduced using predicted motion vector. Motion vector encoding apparatus includes predicted motion vector generator that generates adjacent motion vectors of current block with respect to each of reference pictures and generates ...
Single-pass real-time video stabilization
Ati Technologies Ulc
December 28, 2017 - N°20170374377

A method, processor, and non-transitory computer-readable medium are disclosed for real-time video stabilization and encoding in a single motion estimation pass for each frame. The method includes performing motion estimation on a stabilized current frame and determining a global motion vector using motion estimation information obtained in the performing of motion estimation on the stabilized current frame. A subsequent frame ...
Methods and apparatus for motion-based video tonal stabilization
Thomson Licensing
December 28, 2017 - N°20170374334

One general aspect for motion-based video tonal stabilization uses a keyframe and motion estimation techniques to determine the level of spatial correspondence between input images and the keyframe. When the level of spatial correspondence is high, tonal stabilization is performed through regression and power law tonal transformation to minimize the color differences between images caused by automatic camera parameters without ...
Systems and methods for identifying fetal movements in an audio/visual data feed and using ...
December 21, 2017 - N°20170360378

There is provided a system and methods for quantitatively assessing fetal well-being based on observing fetal movement activity in an audio/visual data feed. The system includes a method that detects and quantifies fetal movements in an audio/visual data feed by audio/visual-processing motion estimation techniques. The system also includes a method that captures metrics relating to fetal movements ...
Encoder slice size control with cost estimation
Intel Corporation
December 07, 2017 - N°20170353723

The video motion estimation (vme) unit of a graphics processor performs fast preprocessing prior to frame encoding to distribute macroblocks among slices based on weights of the macroblocks. The result of the preprocessing stage is iteratively improved based on the encoding stage. This allows real-time slice size limited encoding with minimum video quality reduction in some embodiments. Hardware preprocessing can ...
Advanced motion estimation
Google Inc.
November 30, 2017 - N°20170347108

Encoding and decoding using advanced motion estimation includes generating a first encoded frame by encoding a first frame from the input video stream, generating a reconstructed frame based on the first encoded frame, generating an encoded reference frame by encoding the reconstructed frame, wherein encoding the reconstructed frame includes storing the encoded reference frame in an external memory such that ...
Automated audio volume based on physical motion estimation
Streamn Inc.
November 30, 2017 - N°20170344337

The present disclosure involves a method for automating media audio volume based on the physical motion of a mobile computing device. In one embodiment, the method includes detecting motion of the mobile device based on input motion data from a motion detection mechanism, determining whether the detected motion of the mobile device exceeds a configured motion threshold, based on the ...
Super-wide area motion estimation for video coding
Google Inc.
November 16, 2017 - N°20170332094

Super-wide area motion estimation can include multiple stages of motion search as part of a process for encoding or decoding frames of a video sequence. A first stage motion search includes using a first motion search window centered at a position corresponding to a position of a super index element, which can indicate an area of a frame having motion. ...
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