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Class 382/190 - Feature extraction


Subclass of Class 382 - Image analysis
Definition: Subject matter which includes the process of selecting and
No. of patents: 1262
Last issue date: 05/29/2012


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NumberTitleIssue Date
8189923Information input output method using a dot pattern
A quadrangular or rectangular area on a medium surface of a printed material is defined as a block. A straight line in a vertical direction and a horizontal direction along an edge of the block is defined as a reference lattice line. A virtual lattice point is dispo...
05/29/2012
8175390System and method for illumination invariant image segmentation
In a first exemplary embodiment of the present invention, an automated, computerized method is provided for processing an image. According to a feature of the present invention, the method comprises the steps of providing an image file, identifying a boundary in the...
05/08/2012
8175392Time segment representative feature vector generation device
The time segment representative feature vector generation device includes an intra-time segment feature vector group selection means for selecting, for each time segment and from a feature vector series for respective frames, feature vectors of a plurality of frames...
05/08/2012
8170341Image signature extraction device
The image signature extraction device includes a first feature extraction means for extracting, from an image, first features corresponding to the respective dimensions of a feature vector; a second feature extraction means for extracting, from the image, second fea...
05/01/2012
8165403Method and system for determining poses of specular objects
A pose of an object is determine by acquiring sets of images of the object by a camera, wherein the object has a thread arranged on a surface such that a local region of the object appears substantially spherical, wherein the camera is at a different point of view f...
04/24/2012
8165402Image processing method, image processing apparatus, image forming apparatus and storage medium
An image processing apparatus is configured to precisely perform positioning of a plurality of document images containing a common part and to precisely extract an image of the common part from the plurality of document images. ...
04/24/2012
8165400Image data processing system and image data processing method for generating arrangement pattern representing arrangement of representative value in pixel block including pixel in image
An image data processing system includes an extracting unit extracting from an image signal corresponding to one image a signal corresponding to a pixel block including plural pixels in the image, a threshold calculating unit calculating a threshold for classifying ...
04/24/2012
8165401Robust interest point detector and descriptor
Methods and apparatus for operating on images are described, in particular methods and apparatus for interest point detection and/or description working under different scales and with different rotations, e.g. for scale-invariant and rotation-invariant interest poi...
04/24/2012
8165399Image processing apparatus, image processing method, and program
A feature point detection unit (153) and feature amount extraction unit (154) extract a plurality of features of an object from input image data. When there are unextracted features of the plurality of features, a weight setting unit (155) sets ...
04/24/2012
8160364System and method for image registration based on variable region of interest
An image registration system for aligning first and second images. The novel system includes a first system for extracting a region of interest (ROI) from each image and a second system for coarsely aligning the regions of interest. The first system determines the s...
04/17/2012
8160365Methods and systems for identifying digital image characteristics
Aspects of the present invention relate to methods and systems for determining image characteristics in a digital image. ...
04/17/2012
8160366Object recognition device, object recognition method, program for object recognition method, and recording medium having recorded thereon program for object recognition method
An object recognition device includes: a model image processing unit having a feature point set decision unit setting a feature point set in a model image, and detecting the feature quantity of the feature point set, and a segmentation unit segmenting the model imag...
04/17/2012
8155447Determining points of parabolic curvature on surfaces of specular objects
Embodiments of the invention disclose a system and a method for determining points of parabolic curvature on a surface of a specular object from a set of images of the object is acquired by a camera under a relative motion between a camera-object pair and the enviro...
04/10/2012
8150163System and method for recovering image detail from multiple image frames in real-time
This invention describes an efficient super-resolution method for image enhancement that leverages prior knowledge about the specific task for which detail information is recovered. The particular case of barcode scanning is considered. The barcode localization and ...
04/03/2012
8150164System and method for identifying image based on singular value decomposition and feature point
A system and method for identifying an image based on singular value decomposition is provided. The system includes: a feature point extracting module for extracting at least one of feature points from an input image using strength of a Gaussian curvature of each pi...
04/03/2012
8150165System and method for visual recognition
A method for visual recognition of an object in an electronic image includes extracting unique points of an object to be learned and/or a target object. The unique points are obtained by cross-correlating the image with a structure. Generally, the structure and/or t...
04/03/2012
8150166Methods and systems for identifying text in digital images
Aspects of the present invention relate to systems, methods and devices for detection of text in an image using an initial text classification result and a verification process. ...
04/03/2012
8144991Apparatus, method, and computer program for processing information
An information processing apparatus includes a selecting unit for selecting extraction information concerning contents to be extracted from among a plurality of contents organized in time sequence, the extraction information prepared on a per content basis for the c...
03/27/2012
8144992Eye condition detection apparatus and method for installing same
A driver's eye condition detection is conducted by an eye condition detection apparatus including a right/left near-infrared light sources, a camera and an ECU installed therein. The right side near-infrared light source is positioned on a right side relative to the...
03/27/2012
8139864System for non-uniformity correction for image processing
A system for correcting image characteristic data from a plurality of pixels comprises at least one field programmable gate array (FPGA), a lookup table, and a correction module. The FPGA may include a plurality of configurable logic elements and a plurality of conf...
03/20/2012
8139865Computer-implemented system and method for recognizing patterns in a digital image through document image decomposition
A computer-implemented system and method for retrieving a digital image through document image decomposition is provided. A stored digital image is retrieved. Generic visual features are extracted. The features are grouped into a primitive layer including word-graph...
03/20/2012
8139863System for capturing, characterizing and visualizing lidar and generic image data
A system that offers a method of capturing, analyzing, and visualizing a matrix of data for object and feature extraction. This is accomplished by reading a matrix of data represented by a plurality of data types into a processor via a data capture system. The matri...
03/20/2012
8131083Image processing apparatus, image forming apparatus, image processing system, and image processing method having storage section, divided into a plurality of regions, for storing identification information for identifying reference image
A reference image and features of the reference image are stored in a hash table in such a manner that the reference image and the features are related to each other. A storage region of the hash table is divided into a plurality of divided regions, and each divided...
03/06/2012
8131082Image processing apparatus configured to calculate a resolution suitable for the size of a region to be processed and method for controlling the same
A position and an area of a region to be processed, that is, a region from which image feature parameters are to be extracted, are obtained, and the number of pixels required for obtaining the usable image feature parameters is determined in accordance with types of...
03/06/2012
8131773Search information managing for moving image contents
A search information analyzing unit (101) separates search information (15) into structured search information (152) representing a structure of moving image contents, semantic search information (153) representing characteristics in sema...
03/06/2012
8116572Method for detecting image edge and image interpolation using the same
A method for detecting an image edge is provided. Pixel data of neighbor lines of an image are read to generate a first and a second inclined edge areas between two neighbor lines. The incline edge areas are determined by detecting whether a difference of two corres...
02/14/2012
8116571Pattern feature extraction via fourier amplitudes of a block image
An input pattern feature amount is decomposed into element vectors. For each of the feature vectors, a discriminant matrix obtained by discriminant analysis is prepared in advance. Each of the feature vectors is projected into a discriminant space defined by the dis...
02/14/2012
8111923System and method for object class localization and semantic class based image segmentation
An automated image processing system and method are provided for class-based segmentation of a digital image. The method includes extracting a plurality of patches of an input image. For each patch, at least one feature is extracted. The feature may be a high level ...
02/07/2012
8111924Remote sensing and probabilistic sampling based method for determining the carbon dioxide volume of a forest
A remote sensing and probabilistic sampling based method for determining carbon dioxide volume of a forest can correlate aerial data, such as LiDAR, CIR, and/or Hyperspectral data with actual sampled and measured ground data to facilitate obtainment, e.g., predictio...
02/07/2012
8107734Image processing apparatus, and method for performing document matching using extracted feature points of connected image components
Pixels of a binary image obtained by binarizing an image are scanned in a predetermined direction, labels are assigned to the pixels according to binarization information about the respective pixels, information about the assigned labels is stored sequentially for e...
01/31/2012
8107735Three dimensional shape reconstitution device and estimation device
A face model providing portion provides an stored average face model to an estimation portion estimating an affine parameter for obtaining a head pose. An individual face model learning portion obtains a result of tracking feature points by the estimation portion an...
01/31/2012
8107736System and method for device mapping based on images and reference points
System and method for mapping a location of each of a plurality of devices in a data center. In one embodiment, the method comprises receiving image data comprising an image of at least a portion of the data center from a source; processing the image data to locate ...
01/31/2012
8107737Shape evaluation method, shape evaluation device, and 3D inspection device
To appropriately evaluate a surface shape of an object to be inspected regardless of the relative positions of a light source and an image-taking device with respect to the object. When evaluating a surface shape, it includes a shape recognition step for recognizing...
01/31/2012
8103102Robust feature extraction for color and grayscale images
Systems, methods and program products for converting a first image to an intensity image using principal components analysis where the intensity image is based on a first principal component. The intensity image is analyzed to identify a plurality of scale invariant...
01/24/2012
8103101Region extraction system, region extraction method and program
A region extraction system includes a temporary region extractor for temporarily extracting a to-be-extracted region from measured data with a region growing technique, an initial position determiner for determining an initial position of a standard model for the to...
01/24/2012
8094943Background-foreground module for video analysis system
Embodiments of the present invention provide a method and a module for identifying a background of a scene depicted in an acquired stream of video frames that may be used by a video-analysis system. For each pixel or block of pixels in an acquired video frame a comp...
01/10/2012
8081824Generating search requests from multimodal queries
A method and system for generating a search request from a multimodal query that includes a query image and query text is provided. The multimodal query system identifies images of a collection that are textually related to the query image based on similarity betwee...
12/20/2011
8077979Apparatus and method for pattern recognition
A pattern recognition method comprises steps of inputting a pattern of a recognition object performing feature extraction from the input pattern to generate a feature vector, increasing the number of quantization in an order from quantization number 1 or quantizatio...
12/13/2011
8077976Image search apparatus and image search method
Of the feature amounts of respective regions on an image, a region having a feature amount which is similar to that of a region of interest on a image is specified (S1307). Of the OCR results of the respective regions on the image, a region having an OCR resu...
12/13/2011
8077978Image processing apparatus, image processing method, and program
An image processing apparatus may include a feature quantity extraction unit configured to extract a feature quantity from an image, a setting unit configured to set setting information including a plurality of setting items used to perform processing upon the image...
12/13/2011
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