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US20130259397 |
EDGE-PRESERVING FILTERING METHOD AND APPARATUS
An edge-preserving filtering method and apparatus. The edge-preserving filtering method includes: acquiring an upper edge pixel P(x,y−n), a lower edge pixel P(x,y+m), (m+n) left edge pixels... |
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US20110317934 |
PROVIDING AN IMAGING OPERATOR FOR IMAGING A SUBTERRANEAN STRUCTURE
To perform imaging of a subterranean structure, an imaging operator is generated through the design of a weight, where the weight is computed according to a design criterion, where the design... |
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US20150063717 |
SYSTEM AND METHOD FOR SPATIO TEMPORAL VIDEO IMAGE ENHANCEMENT
A method for improving quality of low light video images including: receiving a current video frame; temporally enhancing it by applying a first weight matrix including higher weight factors for... |
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US20110200241 |
SYSTEM AND METHOD OF PULMONARY EMBOLI DETECTION FOR COMPUTED TOMOGRAPHY
A system and method includes acquisition of a set of image data comprising a plurality of image voxels and isolation of a set of pulmonary emboli candidates from the plurality of image voxels. The... |
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US20150086125 |
Adaptive Weighted-Local-Difference Order Statistics Filters
A novel modification to the order statistics filters called the Adaptive Weighted-Local-Difference Order Statistics is shown that will act as a generic framework for the design of adaptive filters... |
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US20110026850 |
CONTEXT-CLUSTER-LEVEL CONTROL OF FILTERING ITERATIONS IN AN ITERATIVE DISCRETE UNIVERSAL DENOISER
Embodiments of the present invention are directed to various enhanced discrete-universal denoisers that have been developed to denoise images and other one-dimensional, two-dimensional or... |
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US20110235937 |
DIGITAL IMAGE FILTER PROCESSING
Filter processing is performed on an image, in which a filter kernel having coefficients corresponding to positions of pixels is applied at a target pixel position and to sample pixels positioned... |
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US20130089269 |
Scene Adaptive Filter Design for Improved Stereo Matching
A method is provided that includes generating coefficients of a scene adaptive filter (SAF) based on differences between values of neighboring pixels in a representative two dimensional (2D)... |
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US20050180652 |
Structure characterization of images
A method and system for characterizing structures in an image are presented. The method and system generates a structure checksum value based on a plurality of pixels in the image. The structure... |
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US20090268978 |
Adaptive Generation Of Irregular Spatial Sub-sampling For Images
An adaptive filter is applied to samples in an initial pattern of samples. The samples in the initial pattern correspond to a subset of the image pixels which are to be predicted using the... |
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US20090290807 |
METHOD FOR AUTOMATIC ENHANCEMENT OF IMAGES CONTAINING SNOW
A content-based image processing method and system are provided for images identified as having snow content. Images having dark snow content are identified and processed with a first enhancement... |
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US20100309378 |
Method And System For Motion Compensated Noise Level Detection And Measurement
Two consecutive interlaced video pictures of the same polarity or two consecutive progressive video pictures are read by a video processing system. The video pictures may comprise a current... |
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US20090278953 |
PICTURE ENHANCING INCREASING PRECISION SMOOTH PROFILES
The apparatus (100) for enhancing at least a region of an input picture (P_in) having input pixel values enabling inter alia the reduction of quantization banding artefacts, comprises: an... |
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US20150117793 |
RECURSIVE DE-BANDING FILTER FOR DIGITAL IMAGES
A method and apparatus are provided for filtering banding noise in a signal representative of an image. The method includes detecting, by a banding noise detector, banding noise in a neighborhood... |
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US20120163726 |
NOISE FILTERING METHOD AND APPARATUS CONSIDERING NOISE VARIANCE AND MOTION DETECTION
Provided herein are an apparatus and a method of performing image noise filtering with respect to an image obtained from an image sensor, the method including: applying a noise deviation with... |
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US20080240559 |
ADAPTIVE INTERPOLATION WITH ARTIFACT REDUCTION OF IMAGES
An adaptive interpolation technique with artifact reduction is described that technique generates digital images with full-color RGB (red, green, blue) information, from raw pictures (e.g.,... |
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US20070071351 |
Television image filtering
A digital image filtering method and system are provided. A first matrix of a plurality of pixels is selected from a digital image to be displayed. The luminosity values of each of the pixels in... |
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US20100040302 |
Image sharpening technique
A sharpening technique for digital images for presentation on a display. |
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US20070236610 |
Recursive 3D super precision method for smoothly changing area
An image processing system implements recursive 3D super precision for processing smoothly changing video image areas by performing temporal noise reduction and then 2D super precision. The... |
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US20090074320 |
IMAGE MAGNIFICATION DEVICE, IMAGE MAGNIFICATION METHOD AND COMPUTER READABLE MEDIUM STORING AN IMAGE MAGNIFICATION PROGRAM
A high-definition magnified image is obtained by simple computation. A magnified image is obtained by obtaining a deteriorated image on the basis of an input original image, determining... |
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US20070172141 |
Image conversion device, image conversion method, and recording medium
An image conversion device according to an example of the invention comprises a blur estimating unit which estimates a blur state of input image data, a blur changing unit which changes the blur... |
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US20100220939 |
Method and Apparatus for Edge-Based Spatio-Temporal Filtering
There are provided methods and apparatus for edge-based spatio-temporal filtering. An apparatus for filtering a sequence of pictures includes a spatial filter, a motion compensator, a deblocking... |
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US20100239180 |
Depth Reconstruction Filter for Depth Coding Videos
A method filters a depth image, wherein each depth image includes an array of pixels at locations (x, y), and wherein each pixel has a depth. A moving window is applied to the pixels in the depth... |
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US20090015682 |
Anti-glare device, method and accessory, and imaging system with increased brightness dynamics
The invention relates to an anti-glare device comprising a camera, a visualisation means for reproducing a processed image, and an adaptable filter comprising a filtering image controlled by the... |
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US20110019934 |
BLOCK ARTIFACT REDUCER
A block artifact reduction system is provided. An apparatus for reducing block artifact in an image sequence according to some embodiments of the present invention includes a motion detection unit... |
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US20100033494 |
GAMUT MAPPING
A color mapping system comprises a detail detector (1) to generate a control signal (CS) which indicates local detail in an input image signal (IS). The system further comprises a color mapper (2)... |
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US20100239164 |
METHOD AND APPARATUS FOR REDUCING SPATIAL NOISE OF IMAGES
A method for reducing spatial noise of images includes the following steps. A target pixel is obtained and an operating block is built accordingly. Pixel values of the target pixel and multiple... |
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US20090161979 |
IMAGE ACQUIRING APPARATUS AND CONTROL METHOD THEREOF
An image acquiring apparatus includes: an image sensor which senses light reflected from an object to be read, and which detects an analog pixel value corresponding to the sensed reflected light;... |
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US20050196066 |
METHOD AND APPARATUS FOR REMOVING BLOCKING ARTIFACTS OF VIDEO PICTURE VIA LOOP FILTERING USING PERCEPTUAL THRESHOLDS
A video processing method and a related device for processing blocking artifacts between two blocks within a video picture uses loop filtering and compares two boundary edge pixels at both sides... |
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US20080095238 |
SCALABLE VIDEO CODING WITH FILTERING OF LOWER LAYERS
A First Improvement is Described for Prediction of Motion Vectors to be Used in Prediction of video data for enhancement layer data. Arbitrary pixelblock partitioning between base layer data and... |
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US20080219582 |
Apparatus for Filtering an Image Obtained by Block Based Image Decompression
Block-wise compressed image data is decompressed and the decompressed data is subjected to a cascade of low pas filtering operations, in order to remove block edge artefacts and/or ringing... |
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US20070098292 |
Digital Camera and Method
Deblurring of digital camera images by estimating the blur function from an image extracted from a video sequence taken about the time of an image capture. The extracted image is selected to be... |
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US20100111431 |
INTRA PREDICTION WITH ADAPTIVE INTERPOLATION FILTERING FOR IMAGE COMPRESSION
A method and apparatus for adaptive interpolation filtering for image compression is disclosed. The method includes determining an activity measure associated with a set of pixels neighboring a... |
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US20070071312 |
Method and system for signal processing, for instance for mobile 3D graphic pipelines, and computer program product therefor
A system renders a primitive of an image to be displayed, for instance in a mobile 3D graphic pipeline, the primitive including a set of pixels. The system locates the pixels in the area of the... |
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US20050024651 |
Adaptive complexity scalable post-processing method
The invention provides a system and a method suitable for adaptive post-processing of media data in an electronic device. The system comprises one or more post-processing modules... |
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US20060262989 |
Image enhacement
A method of converting an input image into an enhanced output image is disclosed. The method comprises: detecting (606) whether a particular pixel of the input image corresponds to an edge in the... |
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US20060078219 |
Image viewing and method for generating filters for filtering image feaures according to their orientation
Image processing system for generating a multidimensional adaptive oriented filter to process image data in a number d of dimensions, comprising product means for producing weighted scalar... |
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US20080159644 |
CONDITION DEPENDENT SHARPENING IN AN IMAGING DEVICE
Blur is reduced in an image generated by an imaging device by determining values of one or more atmospheric variables for the image, the one or more atmospheric variables characterizing conditions... |
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US20100067821 |
System and method for denoising using signal dependent adaptive weights
A system and method for denoising using signal dependent adaptive weights includes an imaging device that captures image data corresponding to a photographic target. A denoising manager identifies... |
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US20090040398 |
Apparatus and method for projection image
When it is estimated that first average brightness of image information of a projection image is under second average brightness of image information of a source image having a single spatial... |
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US20090154828 |
METHOD FOR ADAPTIVE IMAGE ENHANCEMENT
A filtering system and method are disclosed, to perform simultaneous, de-noising, and details enhancement tasks of a video image. The efficient filtering system includes multiple filters, which... |
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US20080069469 |
LOCALIZED CONTENT ADAPTIVE FILTER FOR LOW POWER SCALABLE IMAGE PROCESSING
A localized content adaptive filter system including a tile buffer having an output providing first image information, a frequency analyzer providing a frequency information signal based on... |
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US20100134496 |
BIT RESOLUTION ENHANCEMENT
Devices, systems, apparatuses, methods, and other embodiments associated with bit resolution enhancement are described. In one embodiment, an apparatus includes logic configured to produce a... |
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US20080063295 |
Imaging Device
An imaging device comprising: pixel value obtaining means for obtaining pixel values of a target pixel and adjacent pixels; weighting coefficient determining means for determining a weighting... |
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US20100027905 |
System and method for image and video encoding artifacts reduction and quality improvement
Reducing artifacts and improving quality for image and video encoding is performed in one pass to preserve natural edge smoothness and sharpness. To reduce artifacts and improve quality, several... |
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US20090060369 |
Systems and Methods for Determination of a Camera Imperfection for an Image
Methods and systems for creating an image filter is described. In one embodiment, a method includes receiving a first plurality of images captured by an at least one camera with a same setting as... |
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US20080285881 |
Adaptive Image De-Noising by Pixels Relation Maximization
A method is disclosed for adaptive filtering of at least one pixel having an initial value of an image composed of pixels. The method comprises: calculating local expected value for the pixel;... |
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US20120257840 |
IMAGE PROCESSING APPARATUS INCLUDING ERROR DIFFUSION PROCESSING WHICH ADDS GREEN NOISE CHARACTERISTICS, IMAGE PROCESSING METHOD INCLUDING ERROR DIFFUSION PROCESSING WHICH ADDS GREEN NOISE CHARACTERISTICS AND A COMPUTER READABLE STORAGE MEDIUM STORING PROGRAM THEREOF
An image processing apparatus including an input unit which inputs a pixel value of a multi-level notice pixel, a first add unit which acids an error value to the input value, a second add unit... |
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US20070116373 |
Multi-resolution adaptive filtering
Systems and methods which analyze an image and extract features of the image therefrom for use in filtering are shown. Based on the features and structures, embodiments determine how to filter at... |
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US20090060368 |
Method and System for an Adaptive HVS Filter
Methods and systems for an adaptive HVS filter are disclosed. Aspects of one method may include generating standard quantized coefficients and filtering coefficients during processing of video... |