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Motion Estimation patents

      

This page is updated frequently with new Motion Estimation-related patent applications.




 Macroblock partitioning and motion estimation using object analysis for video compression patent thumbnailMacroblock partitioning and motion estimation using object analysis for video compression
A method and device for encoding video including determining objects within a frame at least partially based on movement characteristics of underlying pixels and partitioning the frame into blocks by considering a plurality of partitioning options, such partitioning favoring options that result in different objects being placed in different blocks.. .
Lyrical Labs Video Compression Technology, Llc


 Perceptual optimization for model-based video encoding patent thumbnailPerceptual optimization for model-based video encoding
Perceptual statistics are used to compute importance maps that indicate which regions of a video frame are important to the human visual system. Importance maps may be generated from encoders that produce motion vectors and employ motion estimation for inter-prediction.
Euclid Discoveries, Llc


 Moving picture coding method and moving picture decoding method patent thumbnailMoving picture coding method and moving picture decoding method
A moving picture coding apparatus includes a co-located block information determination unit which determines which one of a forward reference block and a backward reference block will be a co-located block and further determines whether only the unidirectional motion vector of the motion vectors of the co-located block is to be stored in a colpic memory; a temporal motion vector predictor calculation unit which derives a candidate motion vector predictor in temporal motion vector predictor mode using the colpic information stored in the colpic memory; and an inter prediction control unit which determines to code a motion vector using a candidate motion vector predictor having least error from the motion vector derived by motion estimation among candidate motion vector predictors.. .
Sun Patent Trust


 Systems and methods for burst image delurring patent thumbnailSystems and methods for burst image delurring
System and method for automatically removing blur and noise in a plurality of digital images. The system comprises an electronic processor configured to receive the plurality of digital images, perform motion estimation and motion compensation to align the plurality of digital images, determine an alignment of the plurality of digital images with respect to a reference frame, generate a consistency map based on the alignment of the plurality of digital images with respect to the reference frame, combine the plurality of digital images aligned with respect to the reference frame in the fourier domain using a quality of alignment information from the consistency map to generate an aggregated frame, and apply a post-processing filter to enhance the quality of the aggregated frame..
Duke University


 Method for photographing panoramic image based on motion vectors between current real time input image with a previous image through a motion estimation mechanism patent thumbnailMethod for photographing panoramic image based on motion vectors between current real time input image with a previous image through a motion estimation mechanism
Disclosed is a method for photographing a panoramic image including the steps of recognizing movement of a corresponding photographing apparatus by comparing a current real-time input image with a previous image through a motion estimation mechanism with exposure compensation, determining a time to photograph each next picture by determining whether movement in a photography direction reaches a preset threshold value, and photographing each next picture by manual or automatic operation at the determined time.. .
Samsung Electronics Co., Ltd.


 Adaptive motion estimation in acoustic radiation force imaging patent thumbnailAdaptive motion estimation in acoustic radiation force imaging
For acoustic radiation force ultrasound imaging, multiple displacement profiles for a given location are acquired. Physiological and/or transducer axial and/or lateral motion are accounted for using the displacements from the different acoustic radiation force impulses.
Siemens Medical Solutions Usa, Inc.


 Method and  hierarchical motion estimation using dfd-based image segmentation patent thumbnailMethod and hierarchical motion estimation using dfd-based image segmentation
In hierarchical motion estimation, in each motion estimation hierarchy level, a pixel block matcher for comparing correspondingly sampled pixel values of a current image and a delayed previous image is used in order to compute a motion vector for every pixel. By evaluating displaced frame differences in the measurement window, a segmentation of the measurement window into different moving object regions is performed.
Thomson Licensing


 Methods and  uni-prediction of self-derivation of motion estimation patent thumbnailMethods and uni-prediction of self-derivation of motion estimation
Methods and apparatus are provided for uni-prediction of self-derivation of motion estimation. An apparatus includes a video encoder (300) for encoding at least a portion of a picture.
Thomson Licensing


 Automated audio volume based on physical motion estimation patent thumbnailAutomated audio volume based on physical motion estimation
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 determining, causing a logical state change to transition into a automated volume state, and after the logical state change to transition to the automated volume state, automatically configuring the audio volume of audio output provided by a mobile computing device based on configured volume and fade parameters..
Streamn Inc.


 Method and device for generating a motion-compensated video frame patent thumbnailMethod and device for generating a motion-compensated video frame
A method for generating a motion-compensated video frame based on four successive frames of an original video sequence is presented, where the four successive frames comprise frame a, frame b, frame c and frame d. The method comprises obtaining three successive motion estimation pairs, wherein a first pair comprises a forward motion vector field a_fwd from a to b and a backward motion vector field b_bck from b to a, wherein a second pair comprises a forward motion vector field b_fwd from b to c and a backward motion vector field c_bck from c to b and wherein a third pair comprises a forward motion vector field c_fwd from c to d and a backward motion vector field d_bck from d to the c; and generating the motion-compensated video frame based on interpolating between the frames b and c, using the three successive motion estimation pairs..
Huawei Technologies Co., Ltd.


Motion estimation and detection in a camera system accelerator architecture

An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.

Moving picture coding method and a moving picture decoding method

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 and motion vectors mv1, mv2 on a block-by-block basis, and outputting them as coded moving picture data str.. .
Godo Kaisha Ip Bridge 1

Moving picture coding method and a moving picture decoding method

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 and motion vectors mv1, mv2 on a block-by-block basis, and outputting them as coded moving picture data str.. .
Godo Kaisha Ip Bridge 1

Moving picture coding method and a moving picture decoding method

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 and motion vectors mv1, mv2 on a block-by-block basis, and outputting them as coded moving picture data str.. .
Godo Kaisha Ip Bridge 1

Video coding / decoding with sub-block transform sizes and adaptive deblock filtering

Techniques and tools for video coding/decoding with motion resolution switching and sub-block transform coding/decoding are described. For example, a video encoder adaptively switches the resolution of motion estimation and compensation between quarter-pixel and half-pixel resolutions; a corresponding video decoder adaptively switches the resolution of motion compensation between quarter-pixel and half-pixel resolutions.
Microsoft Technology Licensing, Llc

Motion estimation apparatus and method

Disclosed herein are motion estimation apparatus and method. The motion estimation apparatus may determine an sad of a coding unit in a current image and calculate an average sad of the current image.
Electronics And Telecommunications Research Institute

Moving picture coding method and moving picture decoding method

According to a picture coding method, a coded picture is stored, as a reference picture, into a storage unit; commands indicating correspondence between reference pictures and reference indices for designating reference pictures and coefficients used for generation of predictive images are generated; a reference picture being used when motion compensation is performed on a current block in a current picture to be coded is designated by a reference index; a predictive image is generated by performing linear prediction on a block being obtained by motion estimation within the designated reference picture, by use of a coefficient corresponding to the reference index; a coded image signal including a coded signal obtained by coding a prediction error being a difference between the current block in the current picture to be coded and the predictive image, the commands, the reference index and the coefficient is outputted.. .
Godo Kaisha Ip Bridge 1

Motion estimation using collocated blocks

A data processing system for performing motion estimation in a sequence of frames comprising first and second frames each divided into respective sets of blocks of pixels, the system comprising: a vector generator configured to form motion vector candidates representing mappings of pixels between the first and second frames; and a vector processor configured to, for a search block of the first frame, identify a first motion vector candidate ending in a block of the second frame collocated with the search block and form an output vector for the search block which is substantially parallel to the first motion vector candidate and represents a mapping of pixels from the search block to the second frame.. .
Imagination Technologies Limited

Complementary vectors

A data processing system for performing motion estimation comprising: a vector generator configured to form a set of forward vectors for blocks of the first frame and a set of backward vectors for blocks of the second frame, each forward vector identifying a possible mapping of a block into the second frame, and each backward vector identifying a possible mapping of a block into the first frame; and a processor configured to, for a block of an output frame interpolated between the first and second frames, identify a first forward vector formed for the first frame and collocated with the search block and a first backward vector formed for the second frame and collocated with the search block; the processor being configured to, if the first forward and backward vectors are inverse, generate an output vector for the search block from the first forward and backwards vectors.. .
Imagination Technologies Limited

Moving picture coding method and moving picture decoding method

According to a picture coding method, a coded picture is stored, as a reference picture, into a storage unit; commands indicating correspondence between reference pictures and reference indices for designating reference pictures and coefficients used for generation of predictive images are generated; a reference picture being used when motion compensation is performed on a current block in a current picture to be coded is designated by a reference index; a predictive image is generated by performing linear prediction on a block being obtained by motion estimation within the designated reference picture, by use of a coefficient corresponding to the reference index; a coded image signal including a coded signal obtained by coding a prediction error being a difference between the current block in the current picture to be coded and the predictive image, the commands, the reference index and the coefficient is outputted.. .
Godo Kaisha Ip Bridge 1

Moving object detection device and object detection method

An object detection device may include: a candidate object selection unit suitable for selecting candidate objects from a stereo image transmitted from moving cameras; a global motion estimation unit suitable for estimating global motions representing movement of the moving cameras from the stereo image; and an object determination unit suitable for detecting a moving object from the stereo image based on the candidate objects and the global motions.. .
Kwangwoon University Industry Academic Collaboration Foundation

Motion detection devices and systems

Motion detection devices and systems are described herein. One motion detection device includes an inertial measurement unit (imu) configured to measure velocity, orientation, and gravitational forces of the motion detection device and a computing component.
Honeywell International, Inc.

Method and predictive encoding/decoding of motion vector

A video decoding apparatus for predicting a current block to be decoded, includes: a bitstream decoder to extract an index for use in identifying a predicted motion vector of the current block and a differential motion vector from a bitstream; and a predictor to generate a predicted block of the current block based on the predicted motion vector and the extracted differential motion vector, wherein the predicted motion vector of the current block is determined to be a motion vector identified by the extracted index in a motion estimation mode of an inter prediction mode, and wherein the extracted index corresponds to one or more representative blocks determined using neighboring blocks of the current block, in consideration of priorities of block positions.. .
Sk Telecom Co., Ltd.

Image coding method and decoding method related to motion estimation on decoder side

A coding method includes a step (s11) of selecting one nearby template from n (n being an integer equal to or greater than 2) nearby templates that are predefined for a current block and represent different regions spatially adjacent to the current block, a step (s12) of deriving a motion vector using a reconstructed image in a region represented by the selected nearby template and a reference picture different from a picture including the current block, a step (s13) of compensating a motion for the current block using the derived motion vector to code the current block, and a step (s14) of writing a dmvd parameter representing whether a dmvd function that derives the motion vector in a decoder is enabled into a bit stream including coded the coded current block.. .
Panasonic Intellectual Property Corporation Of America

Vehicle vision system with structure and motion estimation

A vision system of a vehicle includes a camera disposed at the vehicle and having a field of view exterior of the vehicle. A control has an image processor that is operable, via image processing of frames of image data captured by the camera, to detect an object present in the field of view of the camera.
Magna Electronics Inc.

Reference picture selection for inter-prediction in video coding

A method of encoding a digital video is provided that improves inter-prediction for encoding using reference pictures. The method includes loading a sub-picture and a list of a plurality of candidate reference pictures at a video encoder, generating a plurality of candidate motion vectors by performing an integer-pel motion estimation operation, calculating a motion estimate score for each of the plurality of candidate motion vectors and selecting the one of the plurality of candidate reference pictures that is associated with the best motion estimate score as a best-match reference picture, performing additional integer-pel motion estimation operations on the best-match reference picture at one or more lower coding levels than the first coding level, refining motion vectors associated with the best-match reference picture at the first coding level and the one or more lower coding levels using fractional-pel motion estimation operations, and encoding the motion vectors into a bitstream..
Arris Enterprises Llc

Method for inducing a merge candidate block and device using same

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 unavailable merge candidate block when the predicted target block and the spatial merge candidate block are included in the same mer.
Kt Corporation

Video encoder management strategies

Innovations in how a host application and video encoder share information and use shared information during video encoding are described. The innovations can help the video encoder perform certain encoding operations and/or help the host application control overall encoding quality and performance.
Microsoft Technology Licensing, Llc

Moving picture coding apparatus and moving picture decoding apparatus

A video encoder (70) for coding moving pictures comprising a buffer (16c) with a plurality of memory areas capable of storing frames composed of top fields and bottom fields, a motion estimation unit (19) operable to code, field by field, inputted pictures performing moving estimation and moving compensation by referring, field by field, to the picture data stored in a memory area, a motion compensation unit (16d), a subtractor (11), a transformation unit (13) and a quantization unit (14), a memory management unit (71) operable to manage, frame by frame, a plurality of memory areas, an inverse quantization unit (16a) and inverse discrete cosine transform unit (16b) operable to decode picture data in coded fields and store the picture data in the decoded field in any of the plurality of memory areas under the management by the memory management unit (71).. .
Godo Kaisha Ip Bridge 1

Moving picture coding apparatus and moving picture decoding apparatus

A video encoder (70) for coding moving pictures comprising a buffer (16c) with a plurality of memory areas capable of storing frames composed of top fields and bottom fields, a motion estimation unit (19) operable to code, field by field, inputted pictures performing moving estimation and moving compensation by referring, field by field, to the picture data stored in a memory area, a motion compensation unit (16d), a subtractor (11), a transformation unit (13) and a quantization unit (14), a memory management unit (71) operable to manage, frame by frame, a plurality of memory areas, an inverse quantization unit (16a) and inverse discrete cosine transform unit (16b) operable to decode picture data in coded fields and store the picture data in the decoded field in any of the plurality of memory areas under the management by the memory management unit (71).. .
Godo Kaisha Ip Bridge 1

Non-matching feature-based visual motion estimation for pose determination

A method for determining a pose of a camera includes obtaining both a first image of a scene and a second image of the scene, where both the first and second images are captured by the camera. A first set of features is extracted from the first image and a second set of features is extracted from the second set of features.
Qualcomm Incorporated

Medical image viewing device for navigation in x-ray imaging, medical imaging providing improved x-ray image navigation information

A medical image viewing device (14) for navigation in x-ray imaging is proposed, which inter alia comprises a processing unit (30). The processing unit (30) is configured to perform a 3d-2d registration of a preoperative three-dimensional volume based on geometry parameters of an image data providing unit, which provides fluoroscopy images of an object of interest and a plurality of structures with interfering motions to be removed, for creating digitally reconstructed radiograph images of these structures for each fluoroscopy image.
Koninklijke Philips N.v.

Touch positioning touch panel

An object positioning method for touch panel is disclosed. The method includes steps as follows: obtaining a motion estimation vector according to the operational analysis of a positioning coordinate and a sensing coordinate, and determining whether the length of the motion estimation vector is smaller than a predetermined distance or not, if the length of the motion estimation vector is smaller than the predetermined distance, outputting the positioning coordinate; on the contrary, if the length of the motion estimation vector is larger than the predetermined distance, updating the value of the positioning coordinate and outputting the positioning coordinate updated..
Pixart Imaging Inc.

Method for inducing a merge candidate block and device using same

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 unavailable merge candidate block when the predicted target block and the spatial merge candidate block are included in the same mer.
Kt Corporation

Efficient low-complexity video compression

Disclosed is a low-complexity and yet efficient lossy method to compress distortion information for motion estimation, resulting in significant reduction in needed storage capacity. A system for implementing the method and a computer-readable medium for storing the method are also disclosed.
Ati Technologies Ulc

Image processing apparatus, image processing method, and image processing program

One embodiment discloses an image processing apparatus which generates an interpolation frame from consecutive first and second frames, including: a motion estimation section which assigns, to the interpolation frame, motion vectors from the first frame to the second frame; a first degree-of-difference calculation section which extracts calculates a first degree of difference in terms of pixel values; a second degree-of-difference calculation section which calculates a second degree of difference in terms of vectors; and an interpolation frame generation section which generates the interpolation frame by determining a motion vector that should be assigned to a pixel of attention on the basis of combined weights obtained by combining the first degrees of difference and the second degrees of difference, respectively.. .
Kabushiki Kaisha Toshiba

Method, apparatus, and computer program product for providing motion estimator for video encoding

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 level of accuracy and a best candidate pixel location of a second level of accuracy.
Core Wireless Licensing S.a.r.l.

Hash table construction and availability checking for hash-based block matching

Innovations in the areas of hash table construction and availability checking reduce computational complexity of hash-based block matching. For example, some of the innovations speed up the process of constructing a hash table or reduce the size of a hash table.
Microsoft Technology Licensing, Llc

Encoder-side decisions for screen content encoding

Innovations in encoder-side decisions for coding of screen content video or other video can speed up encoding in various ways. For example, some of the innovations relate to ways to speed up motion estimation by identifying appropriate starting points for the motion estimation in different reference pictures.
Microsoft Technology Licensing, Llc

Cascaded camera motion estimation, rolling shutter detection, and camera shake detection for video stabilization

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.
Google Inc.

Image processing system, mobile computing device including the same, and operating the same

An image processing system included in a mobile computing device is provided. The image processing system includes a motion estimation circuit configured to receive and analyze a motion signal and to generate a control signal based on an analysis result, and an image processing circuit configured to selectively decrease power consumption for an image processing operation in response to the control signal..
Samsung Electronics Co., Ltd.

Coherent motion estimation for stereoscopic video

Methods and systems for enhancing motion estimation are disclosed for stereoscopic video sequences. The motion vector parameters and disparity values for consecutive frames may be calculated to estimate motion in a coherent manner between two channels, such as a left channel and a right channel in stereoscopic images.
Dolby Laboratories Licensing Corporation

Device and obtaining a vital signal of a subject

The present invention relates to a device for obtaining a vital sign of a subject, comprising an interface (20) for receiving a set of image frames of a subject, a motion analysis unit (30) for analysing at least one measurement area within the image frames of said set of image frames and for characterizing motion of the subject within said set of image frames, a signal extraction unit (40) for extracting photoplethysmographic, ppg, signals from said set of image frames using said characterization of motion of the subject within said set of image frames, and a vital signs determination unit (50) for determining vital sign information from said extracted ppg signals. The motion analysis unit comprises a motion estimation unit (32), a spatial characteristic extraction unit (34), and a motion characterization unit (36)..
Koninklijke Philips N.v.

Methods and systems for determining motion vectors in a motion estimation process of a video encoder

Methods and systems for determining motion vectors in a motion estimation process of a video encoder are provided. Embodiments of the present invention provide a solution for the problem of unnecessary cost function evaluations, found when combining the successive elimination method with a predetermined list of candidate motion vectors search ordering.
Ecole De Technologie Superieure

Method and hierachical motion estimation in the presence of more than one moving object in a search window

In hierarchical motion estimation motion vectors are refined in successive levels of increasing search window pixel density and/or decreasing search window size. Within each hierarchical level, after finding an optimum vector at at least one pixel, based on the optimum vector, the absolute displaced frame difference or displaced frame difference for each pixel of the search window is determined.
Thomson Licensing

Vehicle motion estimation enhancement with radar data

Methods and systems for estimating motion of a vehicle are provided. Radar data pertaining to one or more stationary objects in proximity to the vehicle are obtained via one or more radar units of the vehicle.
Gm Global Technology Operations Llc

Method and system for block matching based motion estimation

A method and video encoder for block matching based motion estimation is provided including computing a first cost metric for a search point among plurality of search points in a reference frame with reference to a target macroblock of a candidate frame using a subset of pixels of the target macroblock, determining whether the first cost metric is less than a first minimum value, updating the first minimum value to the first cost metric, and updating a matching position to the search point in response to determining that the first cost metric is less than the first minimum value, and identifying a search point corresponding to the matching position as a best matching position for motion estimation.. .
Samsung Electronics Co., Ltd.

In-loop adaptive wiener filter for video coding and decoding

A video encoder may use an adaptive wiener filter inside the core video encoding loop to improve coding efficiency. In one embodiment, the wiener filter may be on the input to a motion estimation unit and, in another embodiment, it may be on the output of a motion compensation unit.
Intel Corporation

Image decomposition and path-space motion estimation

Particular embodiments decompose an image comprising a scene into a diffuse component and a specular component. Each of the components represent a contribution to lighting in the scene.
Eth Zürich (eidgenössische Technische Hochschule Zürich)

Image decomposition and path-space motion estimation

Particular embodiments perform a light path analysis of an image comprising a scene, wherein the scene comprises at least one refractive or reflective object. The image may be decomposed based on the light path analysis into a plurality of components, each of the components representing a contribution to lighting in the scene by a different type of light interaction.
Eth Zürich (eidgenössische Technische Hochschule Zürich)

Apparatuses and methods for efficient random noise encoding

Apparatuses and methods are disclosed herein that describe efficient encoding of random noise. For example, a method for efficiently encoding random noise is described that includes intra-coding a frame that includes noise and copying the noise from the intra-coded frame into a subsequent frame during encoding using motion estimation.
Magnum Semiconductor, Inc.



Motion Estimation topics:
  • Motion Estimation
  • Motion Vector
  • Motion Estimation Method
  • Partitioning
  • Quantitative
  • Coding Method
  • Media Content
  • Image Acquisition
  • Parallel Processing
  • Computer Graphics
  • Computer Graphic
  • Video Camera
  • Temporal Prediction
  • Channel Estimation
  • Frame Buffer


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