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7570819 |
Method and apparatus for displaying images with compression mechanism
A codec device is disposed in a display control device for instantly supplying decompressed image data to manipulating devices in the display control chip. Reference images are stored in compressed...
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7567714 |
System, method and apparatus for clustering features
A method, system, computer-readable medium, and apparatus for identifying a boundary of a cluster in a bitmap, the bitmap having at least one initially set bit, for applying an expansion shape to...
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7483572 |
Recovering a non-linear warping function from images
A method determines a warping function between a first image and a second image. For each pixel in each scan-line of the first image, a distance matrix is constructed which represents distances...
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7440588 |
Method of describing object region data, apparatus for generating object region data, video processing apparatus and video processing method
A region data describing method for describing, over a plurality of frames, region data about the region of an arbitrary object in a video, the method specifying the object region in the video with...
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7418156 |
Domain of definition in warper/morpher
An efficient way to perform rendering operations in an image processing environment includes a warping engine having a warping module and a domain of definition (DOD) module. When an object is...
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7400747 |
Method 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...
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7379561 |
Method and system for differentially and regularly modifying a digital image by pixel
Th invention relates to a method and system for modifying a digital image ( 100 ) consisting of pixels. Said digital image is divided into areas ( 103 ). At least one area value is assigned to each...
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7346219 |
Methods and devices for encoding and decoding images using nested meshes, programme, signal and corresponding uses
The invention concerns a method for encoding at least a source image using a hierarchical mesh defining at least two nested spaces corresponding each to a decomposition level of said meshing, which...
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7321680 |
Graphic contour extracting method, pattern inspecting method, program and pattern inspecting system
A graphic contour extracting method includes: acquiring an image of a graphic form to be inspected; defining an inspection region for the image of the graphic form to be inspected by an inspection...
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7248257 |
Low bandwidth transmission of 3D graphical data
A graphical data-compressor for compressing received arbitrary graphical data for subsequent transmission; where the graphical data-compressor comprises an input for receiving the received...
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7219034 |
System and methods for display of time-series data distribution
A system and methods for displaying data distribution information for time-series data is described. The methods include computing a condensed quantile function that may be used to generate...
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7174050 |
Space-optimized texture maps
A method, system, and computer program product for adjusting a unit image area within an input image according to information importance within the unit area. An image receiver configured to...
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7162087 |
Method and apparatus for recording of electronic handwriting
According to a method for recording of electronic handwriting, a handwriting movement is digitized into a sequence of points along a writing curve that corresponds to the handwriting movement. The...
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7133043 |
Computer graphics methods and apparatus for ray intersection
Ray-intersection methods and apparatus that greatly facilitate processing associated with computer graphics are described. In the described embodiment, a collection of shapes are defined that...
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7127104 |
Vectorized image segmentation via trixel agglomeration
A computer implemented method transforms an image comprised of pixels into a vectorized image specified by a plurality of polygons that can be subsequently used to aid in image processing and...
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7098916 |
Connectivity encoding and decoding of polygon meshes
Methods of connectivity encoding polygonal mesh representations of objects are described, along with methods of decoding encoded connectivity information for polygonal mesh representations of...
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7061980 |
Method of describing object region data, apparatus for generating object region data, video processing method, and video processing apparatus
An object-region-data describing method for describing object region data relating to a time-series variation of an object region in video data including a plurality of frames, the method...
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7046401 |
Camera-based document scanning system using multiple-pass mosaicking
A camera-based document scanning system produces electronic versions of documents, based on a plurality of images of discrete portions of the documents. The system compares each pair of consecutive...
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7043063 |
Non-rigid motion image analysis
A method of analysing a sequence of images of a deformable object in non-rigid motion involves modeling the boundary using a non-rigid contour. A representation of movement of the contour through...
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7016544 |
Digital image encoding and decoding method and digital image encoding and decoding device using the same
A method for decoding a bitstream data obtained by encoding a target image comprises the steps of:
(a) extracting from the bitstream data, coordinates point date indicating frame coordinates...
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6985526 |
SNR scalable video encoding method and corresponding decoding method
The invention relates to scalable video encoders, and, more precisely, to an encoder comprising a base layer and at least an enhancement layer circuit, said circuits being capable of generating...
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6963605 |
Method for estimating the motion between two digital images with management of mesh overturning and corresponding coding method
The invention relates to a method for estimating the motion between two digital images and to the use of this method for coding images. The aim of the method is to eliminate the disturbances caused...
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6944333 |
Color image compression via spectral decorrelation and elimination of spatial redundancy
A method of compressing a color image is provided. The color image comprises color data for a plurality of pixels. The method includes the step of obtaining red, green and blue pixel values of an...
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6898315 |
Feature extraction for real-time pattern recognition using single curve per pattern analysis
A feature extractor samples points on an input pattern drawn in real time. In addition to X and Y coordinates, each sample has an up/down or Z coordinate value representing whether or not the...
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6771826 |
Digital image encoding and decoding method and digital image encoding and decoding device using the same
The present invention provides an encoder and a decoder of digital picture data, and the encoder/decoder can realize high precision transform with less quantity of transferred data, when a...
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6760483 |
Method and apparatus for image analysis and processing by identification of characteristic lines and corresponding parameters
A method and apparatus is provided for analyzing and processing images by identification of characteristic lines and corresponding parameters. More particularly, the method and apparatus transforms...
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6754387 |
Systems, method and program product for pattern information processing
A method for processing information about a polygonal pattern in the context of pattern recognition in a computer environment, the method comprising the steps of: (a) taking the corners of the...
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6735343 |
Polygon finder and pruned tree geometric match method
A polygon finder and pruned tree search are provided. The polygon finder uses a geometric matcher to compare corner features from a polygon model against extracted corner features from an input...
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6714664 |
ROAD AREA EXTRACTING APPARATUS FOR EXTRACTING A ROAD AREA FROM A BLOCK MAP, DEFORMED MAP AUTOMATIC GENERATION SYSTEM FOR GENERATING A DEFORMED MAP FROM ROAD AREA DATA OBTAINED BY THE ROAD AREA EXTRACTING APPARATUS, MAP INFORMATION PROVIDING SYSTEM, GEOGRAPHICAL INFORMATION PROVIDING SYSTEM AND GEOGRAPHICAL INFORMATION DESCRIBING METHOD
A vector block information indicating a plurality of line segment rows is read out from a block map. Each line segment row divides an area of a block from an area of a road in an image drawing...
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6697530 |
Data compression through adaptive data size reduction
A computing-device implemented method for compressing data, where such devices include a computer, personal digital assistant (PDA), home appliance, and the like. The data includes bandwidth...
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6674435 |
Fast, symmetric, integer bezier curve to polygon conversion
A printer forms an approximate of a Bezier curve as a sequence of line segments. Two parametric equations, X(t) and Y(t), are employed. Two methods can be used to evaluate the parametric equations....
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6668091 |
3D mesh coding/decoding method
A progressive coding and decoding method of three-dimensional (3D) mesh data used in the fields of motion picture experts group-4 synthetic and natural hybrid coding (MPEG-4 SNHC), virtual reality...
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6567560 |
Methods, apparatuses and program recording media for image coding and image decoding
An object of this invention is to provide a coding method and a coding apparatus for efficiently coding both a pixel value signal and a shape signal which are included in an image signal to be...
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6526178 |
Picture mapping apparatus and picture mapping method, and picture generation apparatus and picture generation method
Picture data which has been caused to undergo repetitive transform encoding (e.g., fractal encoding) is caused to undergo repetitive transform decoding while implementing scaling at a repetitive...
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6525722 |
Geometry compression for regular and irregular mesh structures
A method for compressing 3D geometry data that is capable of compressing both regularly tiled and irregularly tiled surfaces is disclosed. In one embodiment, the method comprises examining 3D...
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6487312 |
Method of isomorphic singular manifold projection still/video imagery compression
Methods and apparatuses for still image compression, video compression and automatic target recognition are disclosed. The method of still image compression uses isomorphic singular manifold...
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6487305 |
Deformed map automatic generation system including automatic extraction of road area from a block map and shape deformation of at least one road area drawn in the map
A vector block information indicating a plurality of line segment rows is read out from a block map. Each line segment row divides an area of a block from an area of a road in an image drawing...
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6400846 |
Method for ordering image spaces to search for object surfaces
A method determines a surface of an object in a sequence of images. The method begins by estimating a boundary of the object in each image of the sequence using motion information of adjacent...
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6396957 |
Method and apparatus for generating a bounding rectangle of a VOP for interlaced scan type video signals
A method and apparatus for generating a bounding rectangle of a VOP for interlaced scan type video signals, which are capable of accurately generating a bounding rectangle, thereby preventing a...
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6393159 |
Multiscale characterization and analysis of shapes
An adaptive multiscale method approximates shapes with continuous or uniformly and densely sampled contours, with the purpose of sparsely and nonuniformly discretizing the boundaries of shapes at...
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6373989 |
Iterated image transformation and decoding apparatus and method, and recording medium
An iterated image transformation and decoding apparatus and method, and a recording medium are provided. The iterated image transformation and decoding apparatus includes two polygon information...
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6259818 |
Contour approximation apparatus for representing a contour of an object
A contour approximation apparatus for representing a contour image of an object comprises a polygonal approximation section for determining a number of vertices on the contour image and fitting the...
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6229918 |
System and method for automatically detecting clusters of data points within a data space
The present invention is embodied in a system and method for automatically detecting desired clusters within a data space with a radial spanning device. The radial spanning system and method finds,...
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6163627 |
Method and apparatus for encoding a contour of an object
A method for encoding a video signal of a contour of an object, which is capable of reducing the amount of transmission data through selectively transforming the approximation errors, is disclosed....
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6160916 |
Communication apparatus and method of color pictures and continually-changing tone pictures
A sending port makes compressed digital data of continually-tone changing picture or color picture by inputting the continually tone changing picture or color picture, dividing the original picture...
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6125211 |
Progressive image transmission
Image to be transmitted is divided into blocks. The block size varies in each stage of transmission. The blocks are down-sampled to a fixed size for polynomial approximation coding (PAC). The PAC's...
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6122320 |
Circuit for motion estimation in digitized video sequence encoders
The circuit for motion estimation in digitised video sequence encoders comprises at least an integrated circuit component (IM, IM1 . . . IMn) which is arranged to perform either the function of...
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6101280 |
Method and apparatus for compression of electronic ink
There is provided a lossy ink compression system aimed at low cost, high compression of ink on hand-held platforms. The present invention detects the critical cusp, or knot points in the ink and...
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5999112 |
Data compression apparatus and method, data expansion apparatus and method, and recording medium
In the data compression method and apparatus, difference value data each consisting of m bits that include an absolute value represented by m-1 bits and a 1-bit sign bit representing a sign are...
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5982909 |
Method for region tracking in an image sequence using a two-dimensional mesh
A method for tracking a predetermined, two-dimensional portion of an image throughout a sequence of images, the method comprises the steps of selecting a reference frame; selecting the...
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