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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
7894673Image processing apparatus and method, and image processing computer readable medium for processing based on subject type
A certainty calculating circuit calculates certainties representing to what degrees of confidence respective ones of images representing a predetermined plurality of types of subject are contained in an image represented by accepted image data, the calculation being...
02/22/2011
7881537Automated activity detection using supervised learning
In an embodiment, one or more sequences of learning video data is provided. The learning video sequences include an action. One or more features of the action are extracted from the one or more sequences of learning video data. Thereafter, a sequence of operational ...
02/01/2011
7876961Method and apparatus for processing image, and computer program product
A character-edge detecting unit detects a character edge area in an image. A character-inside-area detecting unit detects a character inside area in the image. A density-information detecting unit detects density information in the image. An image processing unit ex...
01/25/2011
7869656Statistical image processing system and method for image/noise feature detection
A statistical image processing system and method for detecting an original image feature and/or a noise feature in an input image using a statistical hypothesis test, thereby estimating the image or noise when an original image is contaminated with the noise, and a ...
01/11/2011
7856145Image processing system and method therefor, image processing apparatus and method, image capturing apparatus and method, program recording medium, and program
An image processing system includes an image capturing apparatus, and an image processing apparatus. The image capturing apparatus is configured to capture an image including an object, to obtain status information of the object, and to record the image and the stat...
12/21/2010
7856144Image retrieving apparatus, image retrieving method, program, and storage medium
An image retrieving apparatus that can suitably retrieve a similar image of image data whose density has changed. Image data is inputted from image input unit 12. Image feature amount extraction unit 14 divides normalized image data to plural regions, ...
12/21/2010
7853082Normal line information estimation device, registered image group formation device and image collation device, and normal line information estimation method
A normal line information estimation device for estimating normal line information of an object from an image of the object. The normal line information estimation device includes an illumination direction estimation section for estimating an illumination direction ...
12/14/2010
7853083Image processing apparatus and method, program recording medium, and program therefor
An image processing apparatus includes a feature value extractor extracting a feature value from an image; a setting unit setting setting information for applying a process to the image; a recorder recording the setting information in association with the feature va...
12/14/2010
7844117Method for identifying images under distortion via noise characterization and bregman optimal matrix approximations
An image digest based search approach allows images within an image repository related to a query image to be located despite cropping, rotating, localized changes in image content, compression formats and/or an unlimited variety of other distortions. In particular,...
11/30/2010
7844115Information processing apparatus, method, and program product
An information processing apparatus includes feature extraction means for extracting features of a designated image in plural images which are associated with each other, image determination means for determining whether the designated image is an image of the face ...
11/30/2010
7844116Method for identifying images after cropping
Images within an image repository related to a selected image may be located despite cropping, rotating, and/or the application of a variety of other distortions to either the selected image and/or images in the image repository. Described exemplary approaches may u...
11/30/2010
7835579Image displaying apparatus that retrieves a desired image from a number of accessible images using image feature quantities
An image displaying apparatus is provided that is capable of quickly retrieving an image that a user wants to access from a number of images. An image feature quantity calculating section calculates image feature quantities of a plurality of types for each of the im...
11/16/2010
7831095Image processing method and image processing apparatus
This invention relates to an image processing method and image processing apparatus capable of accurately cutting out a desired target from a displayed image. A polygonal area including a cutout target is specified from a displayed image. It is determined whether or...
11/09/2010
7831094Simultaneous localization and mapping using multiple view feature descriptors
Simultaneous localization and mapping (SLAM) utilizes multiple view feature descriptors to robustly determine location despite appearance changes that would stifle conventional systems. A SLAM algorithm generates a feature descriptor for a scene from different persp...
11/09/2010
7813552Methods of representing and analysing images
A method of representing and analyzing images comprises producing a plurality of descriptors of an image at one or more scales and for one ore more color channels, said descriptors capturing color content and interrelation information within the regions, and associa...
10/12/2010
7813553Image region detection method, recording medium, and device therefor
Using an image region detection method according to the present invention, the detection of sides in the four directions (vertical and horizontal directions) is performed on the basis of results of edge detection performed on lines having a particular width, startin...
10/12/2010
7801360Target-image search apparatus, digital camera and methods of controlling same
The time required to execute processing for detecting the image of a face is shortened. A number of frames of the image of a subject are obtained sequentially by sensing the image of the subject successively. Face detection processing is applied to a first subject i...
09/21/2010
7783111Writing image acquisition apparatus, writing information extraction method, and storage medium
An image forming apparatus is provided with a writing-present document reading processing portion that executes processing for reading a plurality of page images that are images of pages constituting a document, a writing page determining portion that determines whe...
08/24/2010
7783110Semicoherent channel estimator
One embodiment is a system for processing a complex ambiguity function (CAF) comprising creating a CAF surface from incoming data and a model vector, wherein the CAF surface has at least one feature, processing for a peak value, establishing a sub-window about the p...
08/24/2010
7778465Image forming apparatus with a plurality of functions
An image forming apparatus with a plurality of functions includes an image information member at a position in a scan area of a scanner and outside an original document placement area. Image information which can be read by the scanner and specifies a permitted func...
08/17/2010
7773809Method and apparatus for distinguishing obscene video using visual feature
A method and apparatus for generating discriminant functions for distinguishing obscene videos by using visual features of video data, and a method and apparatus for determining whether videos are obscene by using the generated discriminant functions, are provided. ...
08/10/2010
7769233Particular-region detection method and apparatus
A particular-region such as red-eye region of a person in an image is detected at a high speed by a particular-region detection apparatus, as follows. At first, a region of the image satisfying detection conditions for particular region candidates is detected as a p...
08/03/2010
7769234Ruled line extracting program, ruled line extracting apparatus and ruled line extracting method
A ruled line extracting apparatus, a ruled line extracting program and a ruled line extracting method re-extract a ruled line by changing the predetermined requirements to be met by ruled line s when a ruled line candidate extracted according to the requirements sho...
08/03/2010
7764838System and method for extracting an object of interest from an image using a robust active shape model
A system and method for extracting an object of interest from an image using a robust active shape model are provided. A method for extracting an object of interest from an image comprises: generating an active shape model of the object; extracting feature points fr...
07/27/2010
7756338Method for detecting scene boundaries in genre independent videos
A computer implemented method detects scene boundaries in videos by first extracting feature vectors from videos of different genres. The feature vectors are then classified as scene boundaries using a support vector machine. The support vector machine is trained to...
07/13/2010
7756339Method and apparatus for representing and searching for an object in an image
A method representing an object appearing in still or video image for use in searching, wherein the object appears in the image with a first two-dimensional outline, by processing signals corresponding to the image, comprises deriving a view descriptor of the first ...
07/13/2010
7756869Methods and apparatus for extracting referential keys from a document
Methods, computer-readable media, and systems for extracting referential keys from a document are provided. A document is parsed to identify at least one key, the key being identified from at least one contextual indication. The key is classified according to a key ...
07/13/2010
7751624System and method for automating document search and report generation
A method for processing a customer request comprises receiving a request, sending the requests to a data provider; receiving a document image from the data provider, performing pattern data extraction on the document image, and preparing a customized report. Additio...
07/06/2010
7738707Method and apparatus for automatic identification of bodies of water
A method and system for processing image data to identify objects in an image. The method and system operate using various resolutions of the image to identify the objects. Information obtained while processing the image at one resolution is employed when processing...
06/15/2010
7734095Information processing apparatus and information processing method
Distances between a query image and registered images are calculated for respective feature amounts, and weight values for the calculated distances are calculated on the basis of statistical amount of the feature amounts of the query image (S507). Similaritie...
06/08/2010
7734096Method and device for discriminating obscene video using time-based feature value
A method and a device for discriminating an obscene video using a time-based feature value are provided. The method includes: forming a first time-based flow of predetermined feature values varying with the lapse of time from one or more types of videos which are no...
06/08/2010
7734097Detecting objects in images with covariance matrices
A method detects objects in an image. First, features are extracted from the image. A frequency transform is applied to the features to generate transformed features. A covariance matrix is constructed from the transformed features, and the covariance matrix is clas...
06/08/2010
7729543Imaging apparatus
In an imaging apparatus, a JPEG coding unit makes JPEG data by respectively compressing plural images obtained from an imaging device. A code retention unit retains each JPEG data. A thumbnail data creation unit creates a thumbnail from each of the images. A thumbna...
06/01/2010
7724960Recognition and classification based on principal component analysis in the transform domain
Methods, system apparatus and devices for classification and recognition that is based on principal component analysis and is implemented in the transform domain using the fast two-dimensional PCA to processes the signal in the transform domain. The signal is repres...
05/25/2010
7724959Determining regions of interest in photographs and images
An algorithm for finding regions of interest (ROI) in images and photos based on an information driven approach in which sub-blocks of an image are analyzed for information content or compressibility based on the discrete cosine transform. The sub-blocks of low comp...
05/25/2010
7720287Image processing apparatus, image processing method, and computer readable medium, for generating and extracting image information
An image processing apparatus includes: an image reading unit that reads image information; a generating unit that generates new additional information to be added to the image information read by the image reading unit; an extracting unit that extracts, in a case w...
05/18/2010
7715631Method and apparatus for extracting feature information, and computer product
An apparatus for extracting feature information from each of a plurality of electronic documents that constitutes a group of documents, for each of a plurality of viewpoints includes an extracting unit that extracts feature information from each of the electronic do...
05/11/2010
7715632Apparatus and method for recognizing an image
Disclosed are an apparatus and a method for recognizing a specific subject from a still image or a moving image at a high speed. An object of the apparatus and the method is to reduce the amount of information required for image recognition. One feature vector value...
05/11/2010
7715633Medium processing apparatus, medium processing method, medium processing system and computer readable recording medium with medium processing program recorded thereon
The present invention comprises, in order to allow recognition of content of information indicated in a medium accurately, based on an image data obtained by reading a medium, an extraction unit for extracting each of plural information items from an image data obta...
05/11/2010
7702156Method and system for the detection of shadows in noisy images
A method for the extraction of shadows in noisy images includes capture of an image, subdivision of the image into a plurality of pixels, definition of a square odd matrix for every pixel having said pixel in the center, application of an algorithm to the matrixes o...
04/20/2010
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