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| Number | Title | Issue Date |
| 8139892 | Spatial standard observer The present invention relates to devices and methods for the measurement and/or for the specification of the perceptual intensity of a visual image, or the perceptual distance between a pair of images. Grayscale test and reference images are processed to produce tes... | 03/20/2012 |
| 8064726 | Apparatus and method for approximating a convolution function utilizing a sum of gaussian functions An apparatus and method are provided for approximating a convolution function (e.g. a diffusion profile, etc.) utilizing a sum of Gaussian functions. In use, results of a plurality of Gaussian functions are calculated. The results of the Gaussian functions are furth... | 11/22/2011 |
| 8041146 | Deconvolution for the reduction of blurring induced by internal reflections A system and method of image processing employ mathematical deconvolution to estimate the magnitude and location of a target object within an image. Both the nature of internal reflections and the convolution process by which each internal reflection contributes to ... | 10/18/2011 |
| 7970237 | Spatially-varying convolutions for rendering glossy reflection effects Glossy reflections may include areas that are less clear (more blurry) than other regions. For instance, an area of reflection that is closer to the object being reflected may appear clearer than a region that is farther from the object. When generating a glossy ref... | 06/28/2011 |
| 7933471 | Method and system for correlating physical model representation to pattern layout One embodiment of the present invention provides a system that reduces computational complexity in simulating an image resulting from an original mask and an optical transmission system. During operation, the system obtains a set transmission cross coefficient (TCC)... | 04/26/2011 |
| 7792386 | Using difference kernels for image filtering Methods and apparatus, including computer program products, for filtering an image. A filter kernel is received to determine one or more filtered values for each pixel in a sequence of pixels, where adjacent pixels are separated by a characteristic distance in the i... | 09/07/2010 |
| 7623732 | Method and apparatus for digital image filtering with discrete filter kernels using graphics hardware The invention provides, in some aspects, methods and apparatus for signal and/or image processing which perform convolution-based filtering utilizing a graphics processing unit (GPU, also called “graphics card”) to compute multiple output pixels at once. This ha... | 11/24/2009 |
| 7596282 | System and method for efficient feature estimation for medical images A method for estimating feature values from a digitized image includes calculating a gradient of an image, defining a filter weighting function, convolving the gradient with the filter weighting function, integrating over a subdomain of the convolved gradient to cal... | 09/29/2009 |
| 7593598 | System and method for efficient filter design through weighted difference of Gaussian filters A method of designing filters for filtering digitized images includes constructing a set of difference-of-Gaussian (DoG) filters that partition a frequency space, forming a linear combination of said DoG filters to form a trial filter, convolving said trial filter w... | 09/22/2009 |
| 7444034 | Systems and methods for image enhancement in multiple dimensions A multi-dimensional data enhancement system can be embedded within a video cable for providing enhanced video images from a video signal source to a display. The multi-dimensional data enhancement system can also be provided in a switching box that allows a user to ... | 10/28/2008 |
| 7430315 | Face recognition system The face detection system and method attempts classification of a test image before performing all of the kernel evaluations. Many subimages are not faces and should be relatively easy to identify as such. Thus, the SVM classifier try to discard non-face images usin... | 09/30/2008 |
| 7424173 | Method, apparatus and program for restoring phase information A phase information restoring method improves estimation accuracy of phase by using radiation with energy of high transmittance when constructing a radiation image of a living organism such as a human body by the phase-contrast method. The phase information restorin... | 09/09/2008 |
| 7412110 | Using forward and backward kernels to filter images Methods and apparatus, including computer program products, for filtering an image including a plurality of pixels. A forward kernel centered at a first pixel in the image is received. The forward kernel assigns forward weights to pixels in a neighborhood surroundin... | 08/12/2008 |
| 7388987 | Computing dissimilarity measures Methods, machines, and machine-readable media for computing dissimilarity measures are described. In one aspect, a first set of pixel neighborhood values (PNVs) is computed from respective sets of pixel values of a first image corresponding to different spatially-sh... | 06/17/2008 |
| 7379105 | Multi-standard video image capture device using a single CMOS image sensor A video image capture device includes an image sensor including an two-dimensional array of pixel elements overlaid with a pattern of color filters and having a vertical resolution different from the vertical resolutions specified for a group of video formats, a fra... | 05/27/2008 |
| 7379615 | Method for space-time filtering of noise in radiography To reduce the fluoroscopic noise in an image I acquired at a date t, the pixels of this image are paired with the pixels of an image I′ acquired at a date t−1. For a pixel with coordinates (x,y) of the image I, a convolution is done with a core U equivalent to a... | 05/27/2008 |
| 7379613 | Optimized image processing for wavefront coded imaging systems An image processing method includes the steps of wavefront coding a wavefront that forms an optical image, converting the optical image to a data stream, and processing the data stream with a filter kernel to reverse effects of wavefront coding and generate a final ... | 05/27/2008 |
| 7359576 | Using difference kernels for image filtering Methods and apparatus, including computer program products, for filtering an image. A filter kernel is received to determine one or more filtered values for each pixel in a sequence of pixels, where adjacent pixels are separated by a characteristic distance in the i... | 04/15/2008 |
| 7359070 | Multi-function peripheral with camera A multi-function peripheral device for producing output images. The device includes a scanning system for creating a scanned input image, a camera for creating a captured input image, a controller for receiving at least one of said scanned input image and said captu... | 04/15/2008 |
| 7356195 | System and method for estimating image sharpness A method for determining image sharpness estimation of an image. Image data for at least one column of pixels and at least one row of pixels of the image is sampled. A first filter is applied on sequential differences of sampled image data resulting in a first filte... | 04/08/2008 |
| 7346224 | System and method for classifying pixels in images A method classifies pixels in an image by first partitioning the image into blocks. A variance of an intensity is determined for each pixel, and for each block the pixel with the maximum variance is identified. Then, the blocks are classified into classes according ... | 03/18/2008 |
| 7321687 | Apparatus and method for image processing to label an object in a binary image This disclosure relates to an image processing apparatus or an image processing method, and takes as its technical problem the fact that conventionally it is difficult to perform a process of carving out a rectangle with high precision in a noisy environment. | 01/22/2008 |
| 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 different from that at which the image of the subject is captured. The reco... | 12/04/2007 |
| 7295678 | Method for inserting binary messages in a digital image A method and a system for inserting at least one binary code in a digital image, including converting the code into a modification of contours of objects in the image. ... | 11/13/2007 |
| 7295346 | Methods and apparatus for antialiasing using selective implementation of logical and averaging filter operations Methods and apparatus for antialiasing images that contain one or more image objects such as colored text, line art, and graphical objects, such that the edge pixels of an antialiased image object will exhibit relatively uniform values, and the appearance of the ima... | 11/13/2007 |
| 7286128 | System and method for rendering data associated with a 3-D scene description A system and a method for rendering data associated with a 3-D scene description are provided. The system includes a graphics processing unit configured to operably communicate with a communications bus. The graphics processing unit is further configured to receive ... | 10/23/2007 |
| 7274831 | High quality anti-aliasing An antialiasing method and apparatus suitable for antialiasing a variety of image types, including fonts, large images, and very small images. The antialiasing technique may represent the edge of a line, curve or region as a series of line segments. These line segme... | 09/25/2007 |
| 7266255 | Distributed multi-sample convolution A multi-chip system is disclosed for distributing the convolution process. Rather than having multiple convolution chips working in parallel with each chip working on a different portion of the screen, a new design utilizes chips working in series. Each chip is resp... | 09/04/2007 |
| 7254283 | Image processor processing image data in parallel with a plurality of processors In order to efficiently process image data in a circuit dividing single image data into a plurality of data and processing the data with a plurality of MPUs in parallel with each other, the MPUs process image data input through an input image data in parallel with e... | 08/07/2007 |
| 7239422 | Color gamut mapping using a cost function A method of generating a reduced color gamut boundary for a color output device using three or more colorants, wherein the amount of each colorant is controlled by a colorant control signal vector, including determining a forward device model for the color output de... | 07/03/2007 |
| 7231059 | Image processing apparatus, method and storage medium therefor When image information for the purpose of being printed out has been entered, whether or not the image information contains a mark image such as a watermark is determined to such an extent that will not lower the throughput of a printer. To accomplish this, the imag... | 06/12/2007 |
| 7218795 | Assisted scratch removal Line defects are removed from an image by providing image data in digital form, analyzing segments of the image data as groups of pixels, detecting line defects in the image by application of a line detector, such as a local radial angular transform, and adjusting t... | 05/15/2007 |
| 7155067 | Adaptive edge detection and enhancement for image processing The present invention improves image quality by detecting and enhancing edges in an image. Images often include blurry or fuzzy edges that can obscure an image. An edge is a portion of an image separating two regions of substantially constant image intensity. An ima... | 12/26/2006 |
| 7151546 | Restricting scope of blending modes in 2-D compositing using isolated groups Methods and apparatus, including computer programs, for processing transparency attributes of digital graphics objects. The techniques result in the color compositing of an arbitrary structure of artwork elements defining the appearance of a page to produce a result... | 12/19/2006 |
| 7146062 | Apparatus and method for labeling rows and columns in an irregular array The apparatus and method of the invention provide for assigning coordinates to samples in an array. The method is based on a hierarchical pattern matching to a local lattice structure that is used as a template. Starting from the best local match, the pattern is exp... | 12/05/2006 |
| 7133553 | Correlation-based color mosaic interpolation adjustment using luminance gradients Processing a digitized image signal includes selectively adjusting interpolated color values on the basis of correlations between pre-identified reference patterns of values and the patterns of values within the neighborhoods in which the interpolated color values r... | 11/07/2006 |
| 7130676 | Fluoroscopic image guided orthopaedic surgery system with intraoperative registration A fluoroscopic image guided surgery system, comprising a C-arm fluoroscope for obtaining fluoroscopic images of an object bone, the C-arm fluoroscope including at least one set of emitters; a reference bar capable of attaching to an object bone, the reference bar in... | 10/31/2006 |
| 7123259 | Reflection space image based rendering The present invention provides a method, system, and computer program product for reflection space image based rendering of an object at an interactive frame rate. A set of source radiance environment maps associated with a set of source viewing vectors are warped t... | 10/17/2006 |
| 7092582 | Systems and methods for multi-dimensional enhancement using fictional border data A multi-dimensional image data enhancement system is configured to reduce the effect of blanking areas on the large kernel processing of pixel data. Thus, when pixels comprising blanking data are processed, additional blanking data can be added to the blanking data ... | 08/15/2006 |
| 7088375 | Grouping layers in composited image manipulation A method of compositing a plurality of ordered image layers which include a group of consecutive layers. The group has a shape effect and a composition effect. Any image layers under the group are composited to generate a first intermediate image. A first subset of ... | 08/08/2006 |
