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Class 382/225 - Cluster analysis


Subclass of Class 382 - Image analysis
Definition: Subject matter wherein pattern*s are classified according
No. of patents: 435
Last issue date: 05/29/2012


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NumberTitleIssue Date
8189928Content management apparatus, image display apparatus, image pickup apparatus, processing method and program for causing computer to execute processing method
Disclosed herein is a content management apparatus, including: content inputting means for inputting a content with which position information is associated; position information acquisition means for acquiring the position information associated with the content in...
05/29/2012
8189929Method of rearranging a cluster map of voxels in an image
This invention relates to rearranging a cluster map of voxels in an image aiming at the reduction of sub-cluster scatter. The cluster map that includes two or more cluster levels is displayed to the user along with the distribution of the voxels within each respecti...
05/29/2012
8180162Similar image retrieving device
A similar image retrieving device (1) comprises: an image database (21) for storage of sets of image data, and sets of keywords each associated with a corresponding image data; a cluster classification section (11) to read the sets of image data...
05/15/2012
8175394Shape clustering in post optical character recognition processing
Systems, methods and computer program products on storage devices for shape clustering and applications in processing various documents, including an output of an optical character recognition (OCR) process. The output of an OCR process is classified into a pluralit...
05/08/2012
8170351Shape clustering in post optical character recognition processing
Systems, methods, and computer program products on storage devices for shape clustering and applications in processing various documents, including an output of an optical character recognition (OCR) process. The output of an OCR process is classified into a plurali...
05/01/2012
8155453System and method for displaying groups of cluster spines
A system and method for displaying groups of cluster spines is provided. Groups of cluster spines are obtained. Each group includes one or more spines with one or more clusters each associated with at least one concept. Group concept score vectors are generated for ...
04/10/2012
8150169System and method for object clustering and identification in video
Embodiments of computer implemented methods and systems for object clustering and identification are described. One example embodiment includes receiving an unclustered video object, determining a first distance between the unclustered video object and an arbitrary ...
04/03/2012
8135222Generation of video content from image sets
An image processing method comprises: clustering images of a set of images to generate a plurality of scenes each comprising an unordered cluster of images; ordering images within scenes respective to video coherence to generate ordered scenes comprising ordered seq...
03/13/2012
8131085Shape clustering in post optical character recognition processing
Techniques for shape clustering and applications in processing various documents, including an output of an optical character recognition (OCR) process. The output of an OCR process is classified into a plurality of clusters of clip images and a representative image...
03/06/2012
8126275Interest point detection
An interest point detection technique is presented. More particularly, for each of possibly multiple image pyramid resolutions, a cornerness image is generated. One or more potential interest point locations are identified in the cornerness image. This involves find...
02/28/2012
8116575System for anomaly detection using sub-space analysis
Described is a system for anomaly detection to detect an anomalous object in an image, such as a concealed object beneath a person's clothing. The system is configured to generate a subspace model for a normal class using training images. The normal class represents...
02/14/2012
8111927Shape clustering in post optical character recognition processing
Systems, methods and computer program products for shape clustering and applications in processing various documents, including an output of an optical character recognition (OCR) process. Clip images defined in a received OCR output are classified into a plurality ...
02/07/2012
8107740Apparatus and method for efficient indexing and querying of images in security systems and other systems
A method includes receiving one or more query images and identifying multiple features associated with an object or an activity using the one or more query images. The method also includes accessing a sparse representation index using the identified features. The sp...
01/31/2012
8094948Photo classification using optical parameters of camera from EXIF metadata
A method of classifying and organizing digital images utilizing optical metadata (captured using multiple sensors on the camera) may define semantically coherent image classes or annotations. The method defines optical parameters based on the physics of vision and o...
01/10/2012
8086049Iterative fisher linear discriminant analysis
An exemplary method includes receiving an image data set that comprises a multidimensional property space and data classifiable into data classes, determining a projection vector for data of the data set wherein the projection vector maximizes a ratio of between-cla...
12/27/2011
8086047Method and system for image evaluation data analysis
A method is provided for operating a computer to analyze image evaluation data from electronic survey respondents to evaluate preferences related to two dimensional and three dimensional images. Data files, which include designated area data, image attributes, and s...
12/27/2011
8086048System to compile landmark image search results
This patent discloses a system to compile a landmark image search result. The system may determine a rank of each image within a visual cluster according to at least one of a low-level self-similarity score, a low-level discriminative modeling score, and a point wis...
12/27/2011
8073265Image managing apparatus and image display apparatus
An image managing apparatus is provided. The apparatus includes image information storage means that stores image information corresponding to captured image data, and cluster managing means that manages the image information by hierarchical clusters that include a ...
12/06/2011
8041125Data visualization device and method
A data visualization device comprises a focal attribute calculator for calculating a focal value of each of a plurality of data input items, and for categorizing each of the plurality of data input items as either non-cluster blobs or second blobs. The device furthe...
10/18/2011
8036468Invariant visual scene and object recognition
A method for performing image recognition is disclosed. The method includes obtaining a collection of pixels and grouping at least some of the pixels into a set of cluster features based on gradient magnitude. For each cluster feature in the set, statistical variabl...
10/11/2011
8009919Image managing apparatus and image display apparatus
An image display apparatus includes: an image information storage that stores image information including locations where images are captured as information corresponding to captured image data; a cluster managing section that manages the image information with hier...
08/30/2011
7983492System and method for generating cluster spine groupings for display
A system and method for generating cluster spine groupings for display is provided. A set of spines is obtained. Each spine in the set includes a grouping of clusters that share a common concept and are arranged linearly along a vector. Those spines that are unique ...
07/19/2011
7974476Flexible MQDF classifier model compression
A memory footprint of an Modified Quadratic Discriminant Function (MQDF) pattern recognition classifier is reduced without resulting in unacceptable classification accuracy degradation. Covariance matrices for multiple classes are clustered into a smaller number of ...
07/05/2011
7961957Diffusion bases methods for segmentation and clustering
Methods for dimensionality reduction of large data volumes, in particular hyper-spectral data cubes, include providing a dataset Γ of data points given as vectors, building a weighted graph G on Γ with a weight function wε, wherein wε corre...
06/14/2011
7936929Image processing method and apparatus for removing noise from a document image
Disclosed is an image processing apparatus in which vector data from which noise has been removed and amount of data reduced can be generated in ideal fashion with regard to an illustration area selected from a document image. The document image is input to the appa...
05/03/2011
7920745Method and apparatus for performing constrained spectral clustering of digital image data
A method and an apparatus process digital images. The method according to one embodiment accesses element data representing a plurality of elements belonging to a plurality of digital images; performs a similarity analysis between the elements from the plurality of ...
04/05/2011
7917504Indexing system and method for nearest neighbor searches in high dimensional data spaces
Vectors representing objects in n-dimensional space are approximated by local polar coordinates on partitioned cells of the data space in response to a query, e.g., a query data vector entered with a request to find “k” nearest neighbors to the query vector. A s...
03/29/2011
7903883Local bi-gram model for object recognition
A local bi-gram model object recognition system and method for constructing a local bi-gram model and using the model to recognize objects in a query image. In a learning phase, the local bi-gram model is constructed that represents objects found in a set of trainin...
03/08/2011
7885468System and method for grouping cluster spines into a two-dimensional visual display space
A system and method for grouping cluster spines into a two-dimensional visual display space is provided. Clusters of concepts, each extracted from documents, are obtained. Spines are formed by placing the clusters sharing at least one of the concepts along a spine. ...
02/08/2011
7885467Systems and methods for automatically determining object information and systems and methods for control based on automatically determined object information
An image of high-aspect-ratio objects is analyzed to locate linear features within the image. The gradient direction for each pixel is determined, and connected pixels having similar gradient directions are grouped into line support regions. A linear feature is dete...
02/08/2011
7881540Method and apparatus for detection using cluster-modified graph cuts
A method and an apparatus process images. The method according to one embodiment accesses digital image data representing an image including an object; clusters pixels of the image to obtain clusters; generates a graph with pixels of the image and cluster membership...
02/01/2011
7831599Addition of new images to an image database by clustering according to date/time and image content and representative image comparison
A database has chronologically ordered images classified into event groups based upon a time difference threshold, and into subgroups based upon a similarity measure. In a method and system for combining new images into such a database, new images are ordered into c...
11/09/2010
7813561Automatic classification of objects within images
A system for automatically classifying an object of a target image is provided. A classification system provides a collection of classified images along with a classification of the dominant object of the image. The classification system attempts to classify the obj...
10/12/2010
7778470Moving picture processor, method, and computer program product to generate metashots
A moving picture processor includes a similarity calculator which calculates a similarity between shots, which refer to temporal parts of a moving picture, into which the moving picture is divided at a point where a content of the moving picture changes over, a simi...
08/17/2010
7778469Methods and systems for discriminative keyframe selection
Embodiments of the present invention provide a system and method for discriminatively selecting keyframes that are representative of segments of a source digital media and at the same time distinguishable from other keyframes representing other segments of the digit...
08/17/2010
7769236Marker and method for detecting said marker
This invention discloses marker detectable by visual means comprising; a polygonal border having of at least four non collinear salient points. The marker has on it a pattern in binary digital code. The binary code data contains information data, checksum and error ...
08/03/2010
7764840System, method and apparatus for clustering features using an expansion shape
A computer-implemented 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 each of the initially set bits in the bitmap and ...
07/27/2010
7747083System and method for good nearest neighbor clustering of text
An improved system and method for clustering text or content described by text is provided. Each text in a set of texts may be represented as a dimensional vector of words. Singleton texts that may not be similar to another text may be excluded from the set of texts...
06/29/2010
7724962Context adaptive approach in vehicle detection under various visibility conditions
Adaptive vision-based vehicle detection methods, taking into account the lighting context of the images are disclosed. The methods categorize the scenes according to their lighting conditions and switch between specialized classifiers for different scene contexts. F...
05/25/2010
7724963Apparatus for performing fast closest match in pattern recognition
A method and apparatus for determining a closest match of N input patterns relative to R reference patterns using K processing units. Each of a set of input patterns are loaded into the K processing units. One of the Reference patterns is sequentially loaded into ea...
05/25/2010
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