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7627192 |
Differentiating half tone areas and edge areas in image processing
An image processing apparatus is provided with a luminance component extracting system adapted to extract a luminance component from image data consisting of a plurality of image pixels arrange in...
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7620262 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616833 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616832 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616831 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616829 |
Reducing undesirable block based image processing artifacts by DC image filtering
A post-processing manager provides reconstructed block based picture post-processing that is uncoupled from picture decoding by dividing a reconstructed image that was encoded using block based...
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7599571 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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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...
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7593589 |
Image processing device for processing an image including multiple pixels to create a new image by emphasizing edges of an image
An image processing device emphasizes edges of an image without changing the image. A differential operation is performed on pixel values of a subject pixel and surrounding pixels to calculate a...
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7590308 |
Image processing apparatus, an image processing method, and a computer readable medium having recorded thereon a processing program for permitting a computer to perform image processing routines
In order to provide an image processing apparatus and an image processing method whereby a high quality output image can be consistently obtained, regardless of the order in which an operator sets...
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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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7587091 |
De-interlacing using decoder parameters
Locations of reference blocks of pixels of decoded interlaced video reference fields decoded from a compressed stream of video data are computed using motion vectors decoded from the same stream of...
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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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7586647 |
Halftone detection and removal
Methods, computer program products and apparatuses are disclosed for processing images to detect and/or remove halftone. In one aspect, a portion of an image comprising a plurality of color...
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7577299 |
Image pickup apparatus and image pickup method
A form of the image pickup apparatus of the invention is characterized by including an image pickup portion that receives a incident light from an image-pickup object and performs a photoelectric...
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7577277 |
Method of binarizing images containing linear structures
In a method of binarizing images containing linear structures, and particularly images of prints from the skin, areas are determined that are each distinguished by a preset approximate direction of...
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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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7567724 |
Image processing apparatus, image processing method, program of image processing method, and recording medium in which program of image processing method has been recorded
The present invention is applied, for example, to resolution conversion. An edge gradient direction v 1 with the largest gradient of pixel values and an edge direction v 2 orthogonal to the edge...
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7561752 |
Image processing apparatus
An image processing apparatus for removing block distortion comprises an area specifying unit 103 for specifying a block distortion area to remove the block distortion therefrom in a...
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7557963 |
Label aided copy enhancement
Regions within a scanned document are labeled according to content. These labeled regions allow for particular enhancement and sharpening methods to be applied. The labeled regions may be further...
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7551793 |
Methods and apparatuses for adaptive loop filtering for reducing blocking artifacts
A loop filtering method and apparatus are provided. The loop filtering method includes: calculating blocking effect strength based on coding type information, which specifies the coding type of a...
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7551232 |
Noise adaptive 3D composite noise reduction
A method for filtering digital video is disclosed. The method generally includes the steps of (A) checking a plurality of original blocks in an original field for a plurality of artifacts, wherein...
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7548663 |
Intra-field interpolation method and apparatus
An intra-field interpolation method and apparatus for generating a target pixel value. The method includes the following steps of: receiving a plurality of pixel values of an image field;...
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7545539 |
Apparatus and method for adjusting sharpness of image
A method for adjusting a target gray level of a target pixel based on a spatial mask is provided. The target pixel is surrounded with N adjacent pixels; each of the N adjacent pixels respectively...
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7525583 |
Decreasing aliasing in electronic images
A method for decreasing aliasing in an electronic image includes estimating an amount of aliasing in a first channel in the electronic image based on luminosity values in a second channel in the...
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7522220 |
Dual-channel adaptive 2D noise reduction for video signals
A noise reduction system that not only preserves details in images but also provides essentially clean, smooth, and natural looking homogeneous regions in images. The noise reduction system...
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7505841 |
Vision-based occupant classification method and system for controlling airbag deployment in a vehicle restraint system
A vehicle restraint system has a vision-based occupant classification system for control of airbag deployment during a crash scenario. The classification system utilizes two imaging sensors which...
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7505632 |
Method, apparatus and storage medium for enhancing document image, method, apparatus and storage medium for character recognition
The present invention relates to method, apparatus and storage medium for enhancing document image, and method, apparatus and storage medium for character recognition. For enhancing the document...
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7496453 |
Classification of herbal medicines using wavelet transform
An efficient, effective and reliable method for authentication of herbal medicines (HMs) based on a novel wavelet-enhanced automated three-dimensional chromatograms classification system. The...
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7492959 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7483168 |
Apparatus, method, signal and computer program product configured to provide output image adjustment of an image file
An apparatus, method, signal and computer program product is provided to generate an image file that can correctly reproduce image data at a predetermined output device. The image file includes an...
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7474800 |
Method and apparatus for removing image compression artifacts
A method and apparatus from removing image compression artifacts includes comparing a center pixel value with a perimeter pixel value to generate a compare pixel value. The compare pixel value is...
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7471845 |
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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7468749 |
Image taking apparatus, and a method of controlling an edge enhancing level of an original image signal
According to the image taking apparatus and the method of controlling an edge enhancing level of an original image signal, as the electronic zooming rate for the original image signal increases, an...
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7450782 |
Apparatus and method for improving the quality of a picture having a high illumination difference
An apparatus and image reconstruction method for use in an apparatus including a digital camera are provided. The apparatus and method include driving an image sensor during a short exposure time...
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7437013 |
Directional spatial video noise reduction
A method of reducing spatial noise in an image. Low-pass (smoothing) filters are calculated simultaneously from three successive image rows. Three blocks (m 1 , m 2 , m 3 ) are associated with the...
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7433084 |
Digital de-screening technique for scanned documents
A method and system for de-screening an image signal utilizing a bank of filters to provide several increasingly blurred versions of the original image signal is disclosed. At any given time, only...
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7430337 |
System and method for removing ringing artifacts
Ringing artifacts are removed from a quantized image by an image de-ringing filter that includes a determination unit, an adaptive filter and a nonlinear low-pass filter. The determination unit...
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7430329 |
Human visual system (HVS)-based pre-filtering of video data
An adaptive pre-processing technique is provided to reduce perceptually unimportant information in a frame (such as some of the high frequency information) so as to optimize compression efficiency...
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7430019 |
Apparatus to improve image sharpness adaptively according to multi-video formats and method thereof
An apparatus to improve an image sharpness and a method thereof which can improve the image sharpness of an image through an adaptive operation of the apparatus according to resolutions of...
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7423633 |
Apparatus for controlling the position of a screen pointer with low sensitivity to fixed pattern noise
An apparatus for controlling the position of a screen pointer includes an at least partially coherent light source for illuminating an imaging surface, thereby generating reflected images. The...
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7420487 |
Denoising video
A denoising process statistically processes a series of frames of a motion picture to construct respective data structures for the frames. Each data structure indicates for each of multiple...
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7418151 |
Systems and methods for optimized region growing algorithm for scale space analysis
The present invention provides a system, method and computer program product for improving quality of images. The pixels of the input image are used to generate two lists of pixels based on two...
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7415145 |
Methods and apparatus for artifact reduction
A method for facilitating a reduction in image artifacts is provided. The method includes receiving data regarding a scan of an object, reconstructing a plurality of images using the received data...
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7412109 |
System and method for filtering artifacts in images
A method filters pixels in an image, by first partitioning the image into blocks. Edge block are identified. A variance of an intensity for each pixel in each edge block is determined. Then, each...
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7412091 |
System and method for registration of cubic fisheye hemispherical images
Systems and methods for registering hemispheric images obtained using a fisheye lens for panoramic viewing, relating to spatial alignment and colour balancing of complement half-side images derived...
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7409092 |
Method and apparatus for the surveillance of objects in images
Object detection and tracking operations on images that may be performed independently are presented. A detection module receives images, extracts edges in horizontal and vertical directions, and...
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7397583 |
Method and device for proofing raster print data while maintaining the raster information
The screened printing data are subjected to a filtering method, the raster information being maintained. Intermediate tonal values are produced by the filtering method, using the binary tonal...
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7386158 |
Apparatus for suppressing noise by adapting filter characteristics to input image signal based on characteristics of input image signal
In an apparatus for suppressing noise in an input image signal representing a radiographic image: at least one first characteristic of the input image signal is obtained by calculation based on...
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7382936 |
Surveillance camera apparatus having a selecting operation of image information in a receiving side
A surveillance camera apparatus which has an image signal transmission apparatus transmitting an image signal and an image signal reception apparatus receiving an image signal from the image signal...
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