U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 348/699 - Motion vector generation


Subclass of Class 348 - Television
Definition: Subject matter including a specific circuitry for determining
No. of patents: 1067
Last issue date: 05/01/2012


1                      
NumberTitleIssue Date
8169547Processing of video image
The present invention relates to a video image processor (1) that is configured to compare (7) a single frame included in the received video signal (3) with a preceding processed frame so as to detect changes. In order to enable the video being ...
05/01/2012
7990475Methods and apparatus for automated representative image selection
A system determines a plurality of frames. The plurality of frames is a subset of a set of frames comprising at least a portion of a video clip. The frames are candidates to represent the set of frames. The system calculates a motion vector for each of the frames wi...
08/02/2011
7990476System and method for detecting visual occlusion based on motion vector density
A method of processing image data, comprising providing image data configured to display a first frame comprising a plurality of blocks, each block having a motion vector indicative of a change of location of the block between the first frame and a successive second...
08/02/2011
7907217Systems and methods of subtraction angiography utilizing motion prediction
A system and method for calculating a pixel-shift vector that predicts the motion in dynamic image data and can be used to shift reference image data in order to generate a subtracted image with reduced motion artifacts. The pixel-shift vector is calculated based on...
03/15/2011
7869700Hierarchical data storage
A method and system for encoding and recording data in a multi-stream format when the data is initially captured. The multiple streams of data can be combined to provide a high quality, or high resolution, representation, while a reduced subset of the streams can pr...
01/11/2011
7667778Image processing apparatus and method, and recording medium and program used therewith
For a pixel of interest whose motion vector is not acquired in processing in the subsequent stage, motion vectors found for peripheral pixels around the pixel of interest in the processing in the subsequent stage, and evaluated values which represent the reliabiliti...
02/23/2010
7444026Image processing apparatus and method of motion vector detection in a moving picture, and recording medium used therewith
An image processing apparatus and method comprising a reduced image generating unit, a superblock matching unit, a motion vector converting unit, a possible vector selecting unit, a base vector selecting unit, and a macroblock matching unit. The reduced image genera...
10/28/2008
7437244Obstacle detection apparatus and a method therefor
An obstacle detection apparatus includes an image input unit inputting a image sequence captured by an image sensor, a velocity detector deriving velocity vectors representing motions of a to-be-detected point and a to-be-compared point on each image of the image se...
10/14/2008
7425990Motion correction device and method
To realize a motion compensation device capable of more appropriately compensating the movement of a video signal subjected to double-speed conversion. A motion vector between an image of a current field in a double-speed-converted video signal and an image of a ref...
09/16/2008
7417690Video processing system and video processing method
A system which allows significant camera breaks to be automatically detected among a large number of camera breaks and which is suitable in retrieving or playing a digital video is realized. Using a detected result recorded in an analysis result recording unit, a ca...
08/26/2008
7408986Increasing motion smoothness using frame interpolation with motion analysis
Techniques and tools for video frame interpolation and motion analysis are described. The techniques and tools may be implemented separately or in combination in software and/or hardware devices for various applications. For example, a media playback device uses fra...
08/05/2008
7408987Method of motion estimation for transmission cost reduction of motion vectors
The method includes segmentation of the video image into image blocks, movement estimation per image block in order to obtain a field of movement vectors. It is characterized in that it includes a stage of reassignment of a vector to a block by selecting one movemen...
08/05/2008
7408989Method of video encoding using windows and system thereof
A first search window within a reference frame of video data is identified along with a first correlation threshold value for the first window. The first correlation threshold value is a value to which correlation factors between a pixel set being encoded and pixels...
08/05/2008
7405766Method and apparatus for per-pixel motion adaptive de-interlacing of interlaced video fields
A method for determining a value for a missing target pixel in an interlaced video field during a de-interlacing process includes providing at least one lookup table that correlates motion data to at least one of a plurality of de-interlacing methods, generating mot...
07/29/2008
7400747Method and apparatus for representing moving objects in a sequence of images
A method of representing motion of an object appearing in a sequence of images comprises deriving for each image a set of representative points representing the location of the object, deriving an approximate function representing the trajectory of a representative ...
07/15/2008
7388970Image recognition method and apparatus
An image recognition apparatus has an image capture section for capturing a range image, an image deformation section for deforming the range image captured by the image capture section, and a recognition section for recognizing the presence/absence of three-dimensi...
06/17/2008
7386049Predictive interpolation of a video signal
A method of enhancing picture quality of a video signal is disclosed. The method comprises the steps of generating an interpolated base frame image; receiving a first previously decoded difference picture; receiving a second previously decoded difference picture; ge...
06/10/2008
7386170Image object ranking
Automatic vision system object indexing and image database query system using both path-dependent and path-independent features of moving objects within a sequence of images. Feature vectors of both average over frames of an object traversing the field of view plus ...
06/10/2008
7375762Frame interpolation method and apparatus, and image display system
An image interpolation method comprises searching a motion vector from different pairs of blocks on a first and a second reference image symmetrically, extracting a first and a second image block from the first and the second reference image, respectively, the first...
05/20/2008
7375763Method and system for de-interlacing digital images, and computer program product therefor
To carry out de-interlacing of digital images there is provided a spatial-type de-interlacing process to be applied to a digital image for obtaining a spatial reconstruction. Furthermore, to the digital image there are also applied one or more temporal-type de-inter...
05/20/2008
7376249Determination of a motion of a background in a series of images
The movement of an imaging of a background in a sequence of images of a scene determined. A combination image is composed with pixels which have been built up through combination of several consecutive images. Along with the combination image, a change image is calc...
05/20/2008
7373023Method and system for generating an image
Generating an image includes receiving a light at sensors, where the light is associated with images. A previous matrix is determined, where the previous matrix includes image information associated with an image. For each sensor, a current image data corresponding ...
05/13/2008
7366240Decoder and method of decoding using pseudo two pass decoding and one pass encoding
A method of processing video frame data includes the steps of: receiving a video frame; partially decoding the video frame; fully decoding the video frame to produce macroblocks; determining video data parameters from the partially decoded video frame or both the pa...
04/29/2008
7365795Apparatus and method for adaptively de-interlacing image frame
An apparatus for adaptive de-interlace of a frame comprises a line-segment difference-value calculating module, a motion-vector calculating module, an intra-block calculating module, a trigger-value producing module, and an image processing module. The line-segment ...
04/29/2008
7365799Gradation display device
The gradation display device contains gradient detecting circuit (3) for detecting a gradient of gradation values of pixels in an incoming image; time-varying gradation-value detecting circuit (4) for detecting changes in gradation values of the pixels...
04/29/2008
7362374Video interlacing using object motion estimation
One embodiment disclosed relates to the use of object motion estimation to interlace a progressive video sequence. One of a plurality of consecutive frames is segmented and motion vectors for each segment are determined though object motion estimation. Interpolated ...
04/22/2008
7362806Object activity modeling method
An object activity modeling method which can efficiently model complex objects such as a human body is provided. The object activity modeling method includes the steps of (a) obtaining an optical flow vector from a video sequence; (b) obtaining the probability distr...
04/22/2008
7362379Image processing apparatus and method, recording medium, and program
Inter-field-interpolation spatial transition is calculated based on the sum of absolute values of differences between pixel values of an inter-field-interpolated pixel and adjacent pixels on the same field. Inter-field-interpolation temporal transition is calculated...
04/22/2008
7358973Mixture model for motion lines in a virtual reality environment
Improved human-like realism of computer opponents in racing or motion-related games is provided by using a mixture model to determine a dynamically prescribed racing line that the AI driver is to follow for a given segment of the race track. This dynamically prescri...
04/15/2008
7359562Enhancing low quality videos of illuminated scenes
A method enhances a low quality video. An input video Vjin is acquired of a scene under uncontrolled illumination. The input video Vjin is smoothed to produce a noise-reduced video Sj. Temporal gradients Gt...
04/15/2008
7359440Method and system for extracting key frames from video using a triangle model of motion based on perceived motion energy
A key frame extraction system and method for extracting key frames from a video based on motion analysis of frames within the video. Key frames are highlight frames that are effective in summarizing a video sequence. This allows a user to quickly find a desired spot...
04/15/2008
7356082Video/audio signal processing method and video-audio signal processing apparatus
A metadata extraction unit has a feature point selection and motion estimation unit 62 for extracting at least one feature point representing characteristics of the video/audio signals in a compressed domain of the video/audio signals. Thus, reduction of time...
04/08/2008
7352812Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding
Adjacent blocks are identified in an image. Coding parameters for the adjacent blocks are identified. Deblock filtering between the identified adjacent blocks is skipped if the coding parameters for the identified adjacent blocks are similar and not skipped if the c...
04/01/2008
7349473Method and system for selecting interpolation filter type in video coding
A method and system for coding a video sequence based on motion compensated prediction, wherein an interpolation filter is used to generate predicted pixel values for picture blocks in the video sequence. The interpolation filter for use in conjunction with a multi-...
03/25/2008
7349583Global motion estimation image coding and processing
The invention provides methods for global motion estimation, determining a coarse estimation, and refining a coarse estimation. Embodiments of the invention provide a fast and robust global motion estimation algorithm based on two-stage coarse-to-fine refinement str...
03/25/2008
7346191Moving obstacle detecting device
An aspect of the present invention provides a moving obstacle detecting device installed in or on a moving body for detecting moving obstacles in the vicinity of the moving body, the moving obstacle detecting device that includes an image capturing unit configured a...
03/18/2008
7343047Systems and methods for arriving at an auto focus Figure of Merit
A method comprises detecting edges in at least a region of a captured focus image, using adjacent pixels of the region to obtain first edge detection results and filtering the first edge detection results. The first filtering comprises comparing differences in pixel...
03/11/2008
7342964Multi-standard variable block size motion estimation processor
An apparatus generally having a first circuit, a second circuit and a third circuit is disclosed. The first circuit may be configured to generate a plurality of difference values by calculating an absolute difference between each pixel from a current block and a cor...
03/11/2008
7339147System and method for automatic focusing of images
A method for automatic focusing of images, which is typically used in image measuring. Key aspects of the method involve a step of controlling a moveable part to move within a predetermined focusing area, a step of processing consecutive images to obtain definition ...
03/04/2008
7339707Method and system for viewing a fax document
A system and method for viewing a fax document includes a fax device which may be configured for transmitting/receiving fax transmissions. When a transmitting fax device with a video camera and a video display transmits a fax transmission to a receiving fax device w...
03/04/2008
1                      
 
Sign InRegister
Username  
Password   
forgot password?