Matches 51 - 100 out of 183 < 1 2 3 4 >
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6498608 Method and apparatus for variable weight outline emboldening of scalable outline fonts  
An emboldened font is simulated from a regular font by moving the outline that describes the font along a vector normal to the direction of the outline a predetermined distance. A new emboldened...
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...
6483509 Curve contour smoothing  
A system and method for dramatically reducing the number of vertices defining a polygon on a grid, without significantly changing its effective enclosed area is disclosed. A smoothing process is...
6459808 Method for inferring target paths from related cue paths  
A method infers a target path in a target system from a cue path. The method learns a target state machine, target probability density functions and an occupancy matrix of the state machine from...
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...
6396947 Placing tags on surface string sequences representing a raster image  
An apparatus is disclosed for converting a raster image comprising a plurality of pixels into a plurality of data tags representing at least one shape in the raster image. The apparatus comprises a...
6393146 Defining non-axial line surfaces in border string sequences representing a raster image  
An apparatus is disclosed for defining non-axial line surfaces in border string sequences representing a raster image. The apparatus comprises a computer program, or an integrated circuit...
6377710 Method and apparatus for extracting the skeleton of a binary figure by contour-based erosion  
A method and apparatus for performing thinning, or skeletonization, of binary images or figures are provided. More particularly, a method is implemented in a system for encoding a figure using a...
6345124 Image conversion based on edges  
An image processing method for processing a grayscale image, by which grayscale images of color or monochrome photographs characters and so on are processed by being converted into digital signals,...
6339659 Fractal coding/decoding of picture data using memory capacity information  
Encoding/decoding apparatus includes an encoding device having a picture memory for storing input picture data and having a search range determining unit for determining a range of a picture to be...
6324303 Method and apparatus for coding information  
A method for inserting coded information into an image comprising the steps of analyzing the image, identifying the edge regions within the image, determining the strength of the edge region, and...
6272254 Method for encoding and decoding of a digitalized image and arrangement for implemention of the method  
In a method for image encoding of a digitalized image, in a method for image decoding of a digitalized image, and in an arrangement for the implementation of the methods, both in motion estimating...
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...
6252993 Video signal coding and decoding method  
The feature points of the input video signal are detected by canny edge detecting method, the coordinates of the feature points detected are chain coded, the length of the region, including the...
6240212 Scan interleaving method  
There is provided an improved scan interleaving method suitable for multipurpose encoding of binary image data, and for selectively encoding a part or the whole of object image data according to...
6178264 Image cutout method and apparatus  
An object of the present invention is to provide an image cutout method capable of moving a nozzle on a photographic image along a contour of a subject and binarizing image data in the nozzle to...
6167159 Triangle mesh compression  
A method for compressing a mesh having a plurality of vertices, each vertex characterized by a degree equal to the number of edges incident thereon, including arranging substantially all of the...
6137913 Method for segmenting moving picture objects by contour tracking  
It is an object of the present invention to provide a method for automatically segmenting image objects by applying contour tracking to image objects with segmentation information of previous image...
6121980 Vertex-based predictive shape coding method using adaptive sampling direction selection  
A vertex-based shape coding method and an inter-frame vertex predicting method are provided. The vertex-based shape coding method comprises the steps of: (a) selecting predetermined vertices to...
6091777 Continuously adaptive digital video compression system and method for a web streamer  
A cost effective continuously adaptive digital video system and method for compressing color video data for moving images. The method describes capturing an analog video frame and digitizing the...
6069976 Apparatus and method for adaptively coding an image signal  
In an apparatus for adaptively coding an image signal including a contour signal and a texture signal having object pixels and background pixels thereof, wherein the contour signal discriminates...
6028964 Method and apparatus for coding multiple contours within a frame  
A method for encoding an input image including more than an object is provided, wherein if number of contours in an image frame is less than a predetermined number, all the absolute addresses of...
6018595 Apparatus for decoding an object contour from a bitstream of contour information encoded using a chain code  
A contour decoding apparatus decodes a bitstream of contour information which was encoded using a chain code. A demultiplexing unit separates the bitstream of the contour information into start...
6014173 System and method for coding and/or decoding image-adaptive split region of motion picture  
In a coding system, an input picture is split into regions with adaptive configurations to a reference picture, a selected region with precedence data is detected of its configuration and of its...
6011588 Method and apparatus for coding a contour of an object employing temporal correlation thereof  
A method for encoding input contour image including a current contour based on a previous contour, the contour encoded previously, is provided. In this method a predicted contour is generated from...
6002803 Methods of coding the order information for multiple-layer vertices  
A method for coding multiple layer, vertex-based shape representation and bit stream scalable shape includes selecting vertices in a hierarchical scheme; defining multiple layers of vertices;...
5995670 Simplified chain encoding  
A chain code process for encoding or compressing contours of masks, objects, sprites, and other graphical features, limits the number of chain codes and defines them relative to the alignment of...
5995671 Efficient representation of texture for gray scale alpha maps  
A method for compressing the bit data of an alpha mask image frame composed of an array of pixels having bit data indicative of a level of brightness includes selecting a modifying function...
5995672 Method for reducing alpha plane bit mask size  
A method is provided for reducing the number of data bits required for storage or transmission of the data representing the alpha masks of objects in a single image or frame of a video sequence by...
5978512 Polygonal approximation method and apparatus for use in a contour encoding system  
An apparatus polygonally approximates a contour of an object expressed in a digital video signal. First of all, the apparatus determines a pair of vertices on the contour. Then, a line segment...
5978513 Picture encoding method and apparatus and picture decoding method and apparatus  
In a picture encoding and decoding method and apparatus, an object contour can be chain coded precisely even in the case where noise exists in the vicinity of object contour, and the object contour...
5978514 Image data coding and decoding system for efficiently compressing information using the shape and position of the image content  
An image data coding system comprises a screen-area determining means for determining the area of a screen reproduced on the basis of an input image data; a code-amount assigning control means for...
5974187 Baseline-based contour coding and decoding method and apparatus therefor  
Baseline-based contour coding and decoding methods are provided. The coding method comprises the steps of determining a baseline of a still image or moving image object and a predetermined sampling...
5966469 Sequential polygon approximation apparatus for contour and method thereof  
A sequential polygon approximation apparatus for a contour and a method thereof which are capable of sequentially extracting a vertex in the order of a contour pixel when performing a polygon...
5956428 Stroke code for image partitions  
The stroke code for encoding image partitions is disclosed. An image partition may be derived from a natural image via an image segmentation process or may be directly available from map colored...
5949919 Precompression extrapolation method  
A precompression extrapolation method extrapolates image features of arbitrary configuration to a predefined configuration to facilitate compression of the image features. This extrapolation method...
5944851 Error concealment method and apparatus  
Bit streams transmitted from a coding system through a transmission channel are divided on a block-by-block basis based on bit numbers thereof and a parity bit added to each bit stream is checked...
5933149 Information inputting method and device  
An information inputting method, as well as an information inputting device, extracts effective characteristic points from inputted stroke information and outputs coordinate information relating to...
5929917 Method and apparatus for adaptively coding a contour of an object  
A contour encoding method codes a current contour in a current frame based on a predicted current contour which is selected among previously reconstructed contours within a previous frame. Once the...
5930408 Character pattern generation  
A character processing apparatus for recognizing coordinate information expressing a character, an exterior outline, an interior outline, a horizontal line and a vertical line; classifying the...
5923786 Method and device for encoding and decoding moving images  
An image encoding method for encoding moving images, comprising the steps of: detecting characteristic points of a moving image; encoding a chain generated based on information relating to...
5912991 Contour encoding method using error bands  
A segment-based contour encoding method is provided. A motion compensation of an object in a current image with respect to a reference image is performed to obtain a motion-compensated image. The...
5907639 Baseline-based shape coding method and apparatus for encoding a contour image  
An apparatus for encoding a contour of an object in a video signal by using a baseline-based shape coding technique first determines a baseline based on contour image data and generates a...
5905502 Compression of three-dimensional graphics data using a generalized triangle mesh format utilizing a mesh buffer  
A system and method for efficiently specifying vertex information for a three-dimensional graphical object which includes a plurality of geometric primitives. The method comprises organizing a...
5898798 Region-based texture coding and decoding method and corresponding systems  
The invention relates to an image sequence coding method in which images are segmented and coded with respect to their contours and textures. The texture coding step is carried out by means of a...
5898799 Image signal coding and decoding method and apparatus  
In an image signal coding and decoding method in which feature points in an image signal are detected and information concerned with sets of continuous feature points is chain-coded, the quantity...
5896467 Method and apparatus for encoding a contour image of an object in a video signal  
A method for encoding a contour of an object decides a plurality of primary vertices on the contour based on a polygonal approximation technique and also determines a multiplicity of secondary...
5878170 Method and apparatus for reconstructing contours in a contour image decoder  
A contour of an object in an image having one or more objects therein is reconstructed based on encoded contour data for the contour and a previously reconstructed contour for an object included in...
5845012 Apparatus for encoding an image signal having a still object  
An apparatus, capable of improving the overall coding efficiency by encoding an image signal having a still object based on an improved object oriented coding technique, comprises a first detector...
5845013 Region-based texture coding method and decoding method, and corresponding systems  
The invention relates to an image sequence coding method in which images are segmented and coded with respect to their contours and textures. The texture coding step is carried out by means of a...
Matches 51 - 100 out of 183 < 1 2 3 4 >