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7620266 |
Robust and efficient foreground analysis for real-time video surveillance
Systems and methods for foreground analysis in real-time video include background subtraction and foreground detection, shadow removal, quick lighting change adaptation, static foreground region...
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7619548 |
Correlated noise and spurious signal reduction
Error introduced by analog to digital conversion of a set of laser pulses can be reduced by shifting the clock reference time associated with the firing of the laser pulse. A timing offset module...
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7613336 |
Methods and apparatus for image recognition and dictation
The present invention relates to methods of and apparatus for producing and digitizing a number of images to create a digital library of images, providing an image from outside the digital library,...
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7602996 |
Microscope system and method
A microscope system and method is described for determining a position of an area of an object within the complete object, wherein the image of the area of the object is contained within a field of...
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7602965 |
Object detection using cross-section analysis
In a method of 3-D object detection, an image is pre-processed. Using cross-section analysis, a confidence array is built. A plurality of peaks in the confidence array are detected, wherein the...
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7599927 |
Method for searching content particularly for extracts common to two computer files
The present invention relates to searching content, particularly for at least one extract common to a first data file and a second data file. The method comprises a preliminary step of preparing at...
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7593597 |
Alignment of lens array images using autocorrelation
In a parallax correction method and system, corresponding regions of first and second digital images of the same subject are upsampled to provide a pair of upsampled regions. The corresponding...
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7593575 |
Systems and methods of capturing information using association of text representations
Methods and systems are provided for capturing written information from an information field of a document using a computer system. A document may be provided to the computer system. The document...
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7589735 |
Aircraft flat panel display system with graphical image integrity
An improvement over prior art aircraft instrument flight display systems for imaging on a bit-mapped display formed of a multiplicity of individually addressable pixels at locations throughout the...
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7567721 |
Digital watermarking of low bit rate video
Methods for embedding digital watermarks in compressed video include perceptual adapting a digital watermark in predicted and non-predicted data based on block activity derived from the compressed...
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7567694 |
Method of placing constraints on a deformation map and system for implementing same
A system and method of placing constraints on a deformation map. The method includes the acts of generating a deformation map between two images, identifying a defined structure in one of the...
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7552120 |
Method for indexing and identifying multimedia documents
The method of indexing multimedia documents comprises the following steps: a) for each document identifying and extracting terms t i constituted by vectors characterizing properties of the; b)...
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7545995 |
Automated statistical self-calibrating detection and removal of blemishes in digital images dependent upon changes in extracted parameter values
A method of automatically correcting dust artifact within images acquired by a system including a digital camera includes determining that certain pixels correspond to dust artifact regions within...
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7542597 |
Method for correction of relative object-detector motion between successive views
An apparatus and method for correction of relative object-detector motion between successive views during optical tomographic imaging in three dimensions. An object of interest is illuminated to...
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7529426 |
Correlation function for signal detection, match filters, and 3:2 pulldown detection
A system and method that computes correlation between a first signal and a second signal. The correlation is computed as a ratio of a numerator and a denominator. The numerator may be computed...
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7526138 |
Context based adaptive image resampling
A resampling process uses a predictive model to capture the spatial correlation among pixels in an input image, thus enabling adaptation of resampling schemes to the specific contents of the signal...
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7523311 |
Method for embedding electronic watermark, decoding method, and devices for the same
The method extracts a plurality of blocks from a master image, processes image data corresponding to each block by orthogonal transform, compares coefficients of adjoining blocks with each other,...
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7519234 |
Apparatuses and methods for incorporating a border region within an image region
A hardware implemented method for incorporating a border region within an image region is provided. In this hardware implemented method, a position of a pixel along a line within the image region...
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7519226 |
Form search apparatus and method
Forms such as business forms used in banks and post offices are automatically classified using a form search apparatus and method. The method of classifying forms comprises extracting features from...
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7477803 |
Image processing apparatus
An image processing system has an input unit for inputting an image signal obtained with offset sampling per pixel, a correlation detecting unit for, based on the input image signal, producing a...
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7477798 |
Specified image position estimating apparatus and method, specified image position estimating program, and specified image position estimating program recorded computer-readable recording medium, medium, game system, and transaction apparatus
According to the present invention, in a specified image position estimating apparatus, for, even if an original image varies in size to vary a size of a mark, detecting the mark in the original...
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7477785 |
Fuzzy image comparator
A system and method for improved image comparison is provided. An adjustable tolerance level may be set for comparing the images, and filtering may be applied to the images, for example, to...
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7460738 |
Systems, methods and devices for determining and assigning descriptive filenames to digital images
Systems, methods and devices are disclosed for determining and assigning descriptive filenames to digital images based on auxiliary input such as user provided input or input from some reference...
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7460686 |
Security monitor device at station platform
The present invention provides a more reliable safety monitoring device on the station platform, where the safety monitoring device detects the fall of a person on the platform edge on the...
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7454039 |
Method of performing shape localization
A method for performing shape localization in an image includes deriving a model shape from a database of a plurality of sample shapes. The model shape is defined by a set of landmarks. The method...
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7450785 |
Method and device for sorting similar images
A method of comparing images is disclosed herein. The images may be represented by image data comprising a plurality of image data values. An embodiment of the method may comprise determining at...
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7450778 |
Artifact reduction in a digital video
A method performed by a processing system is provided. The method comprises performing a first set of correlations between a first plurality of pixel values in a first frame and a target pixel...
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7440619 |
Image matching method and image interpolation method using the same
An image matching method includes setting first and second lattices to first and second images respectively, computing potential force to each second lattice point of the second lattice by a...
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7432496 |
Encoder scale writing or calibration at an end-use installation based on correlation sensing
A method for writing or calibrating the scale of a scale-based position encoder. The scale is installed where it will be used to provide ongoing position measurements for a host system. The image...
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7421125 |
Image analysis, editing and search techniques
Disclosed is a method for characterizing the content of a digital image. A component of the method is the homogeneity measure, which calculates a value or values based on the local similarity of...
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7404083 |
Image signal analysis for watermark detection and decoding
An image processing apparatus records an input image signal into another recording medium or displays the input image signal on a display device. When a digital image signal having superimposed...
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7397938 |
Method and system for fast normalized cross-correlation between an image and a Gaussian for detecting spherical structures
A method of identifying spherical objects in a digital image is provided, wherein the image includes a plurality of intensities corresponding to a domain of points in a D-dimensional space. The...
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7386187 |
Method and system for pseudo-autonomous image registration
A method and system for providing a platform with pseudo-autonomous correlation between a perspective view generated by a platform-based imaging sensor and an orthogonal photographic representation...
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7386151 |
System and method for assessing suspicious behaviors
Identity and biometric data are collected from individuals. The collected data is used to form biometric data packages, each of which contains information about one biometric feature and identity...
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7382935 |
Homogeneous and plain surface detection in optical navigation systems
One embodiment in accordance with the invention relates to detecting a homogeneous surface. A first surface image is received. A plurality of values are generated by performing a plurality of auto...
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7373022 |
Apparatus and method for reproducing image
An apparatus reproduces an image recorded with a difference between adjacent frames at at least one scene change point and scaled-down images for identifying each scene change point. A...
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7362880 |
Unresolved target detection improvement by use of multiple matched filters approach at different spatial phases
A method and system for detecting a point source target using multiple matched filters are disclosed. A sensor, which is preferably an infrared focal plane array, includes a plurality of pixels for...
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7356201 |
Process and device for the automatic rectification of single-channel or multi-channel images
A process and a device for the automatic rectification of images, where at least one image is rectified by a mapping function onto a reference image and at least some of the parameters of the...
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7343048 |
Edge based alignment algorithm
A method for aligning images includes (1) selecting a pair of overlapping pixels when two second image are aligned with a camera motion; (2) if both pixels are edge pixels, incrementing a...
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7340095 |
Subject estimating method, device, and program
A personal computer issues an instruction to estimate a subject included in an image represented by image data stored in an image server. A database in which a place of photography, time periods,...
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7330602 |
Variable density signal sampling
An optimal sampling pattern for variable density sampling of a continuous signal uses a statistical knowledge of the signal to determine an autocorrelation matrix from which a basis set is...
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7324710 |
Method and device for determining nominal data for electronic circuits by capturing a digital image and compare with stored nominal data
A method and a corresponding device for determining nominal mechanical data for an electronic device by automatic image processing of a digital image of a specimen of said electronic device. In the...
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7324665 |
Method of multi-resolution adaptive correlation processing
A method of multi-resolution adaptive correlation processing of images, such as seeded fluid flow images, to efficiently increase the spatial resolution and dynamic range of detecting particle...
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7317814 |
Authentication system and method
An authentication system using a correlator that correlates an input with a reference wherein at least one of the input and reference comprises a phase volume mask having structures, preferably...
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7315658 |
Digital camera
A digital camera that automatically corrects dust artifact regions within acquired images by compiling a statistical dust map from multiple images acquired under different image acquisition...
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7305089 |
Picture taking apparatus and method of controlling same
The camera includes a sensor for sensing the photographer's iris image and registering the image in advance. The iris image is recorded in the image of a subject by a digital MCU at a timing...
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7298921 |
Document scanning method and document scanner
A document scanning method comprises causing relative movement between a document and first and second imaging elements, such that each of a succession of scan lines of the document is exposed in...
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7295942 |
Increasing robustness of online calibration through motion detection
In a method for controlling an orienting/positioning system, the orienting system comprises at least one sensor means, an external motion detection device for detecting an externally-caused motion...
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7277581 |
Method for video format detection
The invention provide methods and code for better detecting 3:2 pulldown or other video formats. In one respect, embodiments of the invention improve the way in which fields of video data are...
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7272259 |
Systems and methods for capturing handwritten information using handwriting analysis
Methods and systems are provided for analyzing and assessing documents using a writing profile for documents, such as a payment instrument. A method may include providing a document to a computer...
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