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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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7620263 |
Anti-clipping method for image sharpness enhancement
An image processing system provides image enhancement and anti-clipping units. The anti-clipping unit for image sharpness enhancement, operates such that any shoot artifacts in the enhanced image...
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7620237 |
Position detecting apparatus and method of correcting data therein
Two aiming targets are arranged at positions that are away from two infrared cameras by a predetermined distance. One of the infrared cameras images one of the aiming targets, and the other of the...
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7620215 |
Applying localized image effects of varying intensity
A method for applying localized image effects to digital images is provided. The method includes receiving a selection representing a location in proximity to a region in the digital image...
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7619664 |
Digital image capture apparatus and method for obtaining a digital image of an object
A digital image capture apparatus is provided which is arranged to capture at least two images of a document and combine the images to produce a final image in which the effects of specular...
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7619640 |
Methods of suppressing ringing artifact of decompressed images
A method for adaptive reduction of ringing artifacts in an input image including pixels of image information. The method includes selecting a pixel window including a set of pixels from the input...
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7616830 |
Method and device for reducing blocking artifacts in a compressed digital image without reducing clarity of edges
Artifacts of an incident digital image including pixels carrying information are reduced by determining, for certain pixels being considered from the image, displaced pixels. A displaced pixel...
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7616806 |
Position detecting apparatus and method of correcting data therein
A first object and a second object arranged in an actual space with coordinates (Xn, Zn) and (Xn−D, Zn) are imaged, and respective coordinates x 1* and x 2* of the first object and the second...
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7613359 |
Single-chip color camera for high accuracy image measurements
An image measuring apparatus comprises an imaging portion with pixels, each pixel being allocated with one color, four pixels constituting one set, one set being allocated with a plurality of...
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7613358 |
Method and system for reducing effects of undesired signals in an infrared imaging system
Effects of undesired infrared light are reduced in an imaging system using an infrared light source. The desired infrared light source is activated and a first set of imaging data is captured...
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7613357 |
Method for warped image object recognition
A computer vision system includes distorting optics producing distorted or warped input images. The system includes an integral feature object classifier trained using an undistorted image space....
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7612918 |
Image processing apparatus
An image processing apparatus of the present invention includes: a background density distribution estimating part 12 that estimates density distribution of background pixels; an area density...
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7609907 |
Visualization of field of view constraints
A “field of view” (FOV) consists of all possible directions along which scalar valued functions satisfy selected thresholds. This combination of a scalar function and a threshold is called a...
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7609372 |
System and method for measuring length of camera lens
A system for measuring a total track length of a telescopic lens includes a testing chart, a light source, a processor, a display screen and a range finder. The lens and an image sensor are...
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7609292 |
Signal processing device, method, and program
An image processing device and method, where the device includes an image data continuity detector configured to detect data continuity of first image data made up of a plurality of pixels acquired...
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7607783 |
Imaging apparatus, image processing apparatus, image processing method of imaging apparatus and computer program
A document camera has an image processing apparatus, which acquires the contour of an image of an original by means of a Roberts filter. The image processing apparatus detects straight lines as...
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7606412 |
Method and apparatus for generating user preference data regarding color characteristic of image and method and apparatus for converting image color preference using the method and apparatus
A method and apparatus for generating user preference data regarding the color characteristic of an image is provided where a preference image comprises an image converted to have a color...
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7605821 |
Poisson image-editing technique that matches texture contrast
One embodiment of the present invention relates to a system for reconstructing an image. During operation, the system receives an original image, wherein the original image includes a defective...
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7602995 |
Correcting image distortion caused by scanning
An apparatus, system, method, and computer program product is disclosed, each capable of correcting distortion in a scanned image, using at least a character line extracted from the scanned image....
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7602987 |
Defective pixel correcting method, software and image processing system for implementing the method
A defective pixel correcting method, for correcting one or more of defective pixels present in visible light image data, the one or more of pixels being determined as defective by using the visible...
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7599577 |
Method and apparatus of correcting hybrid flash artifacts in digital images
A method for digital image eye artifact detection and correction include identifying one or more candidate red-eye defect regions in an acquired image. For one or more candidate red-eye regions, a...
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7599576 |
Image subtraction of illumination artifacts
A method of removing an artifact resulting from an in-line illumination device of an imaging system from an object image. It includes obtaining a first image of the artifact using a first artifact...
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7599575 |
Method and apparatus for reducing noise in a sequence of fluoroscopic images
A method and apparatus for reduction of noise in an image of a sequence of fluoroscopic images of an object in motion having a differentiation of the pixels of the image between pixels in motion...
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7593594 |
Signal processing device, method, and program
An image processing device and method, where the device includes a data continuity detector configured to detect data continuity of a first image data made up of a plurality of pixels acquired by...
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7593593 |
Method and system for reducing effects of undesired signals in an infrared imaging system
Effects of undesired infrared light are reduced in an imaging system using an infrared light source. The desired infrared light source is activated and a first set of imaging data is captured...
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7593592 |
Method of detecting blocking artifacts
Blocking artifacts within a sequence of digital images are detected by detecting a grid corresponding to the blocking artifacts. A portion of a digital image is high-pass filtered to supply a set...
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7593586 |
Method and system for reducing artifacts in image detection
An imager captures light reflecting off an object of interest and generates two or more images of the object. A controller identifies one or more non-interpretation regions in one of the captured...
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7593558 |
Method for movement-compensation in imaging
In a method for mathematical compensation of a periodic movement of an organ in a first image-generation method used to image said organ, two time series of three-dimensional image data are...
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7593020 |
Image editing using image-wide matting
An image editing technique employing a layered representation of the image is presented. The image representation includes a main pixel color layer, a secondary pixel color layer, an alpha layer...
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7590344 |
Adaptive processing for images captured with flash
An adaptive fill-flash technique for digital photography that employs flash and no-flash image pairs. A flash image, captured using a flash of known characteristics and ambient light, and an...
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7590306 |
Resolution adaptive image filtering system and method
A technique is provided for improving digital images by analysis of the sampling rate of the image data. The optimal sampling rate is determined, such as based on the point-spread function of the...
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7590305 |
Digital camera with built-in lens calibration table
A digital camera that automatically corrects dust artifact regions within acquired images by compiling a dust map includes an optical system for acquiring an image with a corresponding dust...
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7590290 |
Fail safe image processing apparatus
Methods of capturing image pixel data representing a scene may be practiced using a camera and may be implemented as software, such as an application program executing within the camera. The...
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7587099 |
Region-based image denoising
An “Image Denoiser” provides a probabilistic process for denoising color images by segmenting an input image into regions, estimating statistics within each region, and then estimating a clean...
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7586658 |
Method and apparatus for removing color noise in image signal
In a method and apparatus for processing an image signal, luminance signals are generated for an object pixel and local pixels. A luminance dispersion value is then generated for the object pixel...
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7580952 |
Automatic digital image grouping using criteria based on image metadata and spatial information
An automatic digital image grouping system and method for automatically generating groupings of related images based on criteria that includes image metadata and spatial information. The system and...
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7580589 |
Filtering of noisy images
A method for correcting an image from defects and filtering from Gaussian noise corrects each pixel of the image when it is considered defective and filters it from Gaussian noise in one-pass. The...
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7580588 |
Image processing apparatus, image reading apparatus, and image forming apparatus
An apparatus includes a CCD that reads a script image, an analog front end unit (AFE) that adjusts the offset and the gain of an image signal and A/D-converts the image signal, an image processing...
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7580157 |
High-pass dither generator and method
A method and circuit for generating an M-bit digital dither signal with a substantially uniform probability density function and high-pass spectrum are disclosed. The circuit includes a linear...
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7577311 |
Color fringe desaturation for electronic imagers
A method for correcting colored fringe artifacts in a region of an image around saturated pixels captured by an electronic imager associated with a color filter array, includes providing a...
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7577309 |
Direct vision sensor for 3D computer vision, digital imaging, and digital video
A method and apparatus for directly sensing both the focused image and the three-dimensional shape of a scene are disclosed. This invention is based on a novel mathematical transform named Rao...
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7576787 |
Image-pickup device, and device and method for correcting defective pixel
An image-pickup device includes a solid-image-pickup element which can select between an ordinary mode wherein all of a plurality of pixel signals are sequentially read and at least one...
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7576777 |
Signal processing device, method, and program
An image processing device and method, where the image processing device includes a continuity region detector configured to detect a region having data continuity within image data made up of a...
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7574058 |
Image processing apparatus, method and program on a computer-readable medium that increases compression rate
A plurality of band-limited images is produced from an original image. A transformed image is produced by processing each pixel value in the band-limited images so that the absolute value of an...
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7574025 |
Oral implant template
A method for producing an artifact-corrected image of a negative jaw impression in a recipient jaw comprising, forming a negative impression of said recipient jaw, producing a first digital image...
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7570838 |
Image correction method for compensating for misalignment of pixels in holographic digital data storage system
For compensating for misalignment of pixels at the time of reproduction in a Holographic Digital Data Storage (HDDS) system, and thereby correcting an image, a stored page-based image is detected...
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7570834 |
Image de-ringing filter
An image de-ringing filter system and method are provided. The method comprises: accepting image pixels; collecting data from a first group of pixels neighboring a test pixel; in response to the...
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7570831 |
System and method for estimating image noise
A method for estimating image noise. Image data for at least one column of pixels and at least one row of pixels of the image is sampled. At least one filter is applied on sampled image data...
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7570830 |
Test method for image sharpness
The present invention discloses a test method for image sharpness, which can instantly determine the sharpness of a captured image, wherein a captured image is firstly divided into multiple blocks...
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7570818 |
Method for deblocking and transcoding a media stream
A method for deblocking and transcoding a media stream. A coefficient associated with a block of pixels of the media stream is received. A deblocking operation is performed on the coefficient to...
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